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Water Treatment Industry pH Measurement pH Meter Water Test Equipment

Water Treatment Industry pH Measurement pH Meter Water Test Equipment

Water Treatment Industry pH Measurement pH Meter Water Test Equipment

Water Treatment Industry pH Measurement pH Meter Water Test Equipment

Water Treatment Industry pH Measurement pH Meter Water Test Equipment

Water Treatment Industry pH Measurement pH Meter Water Test Equipment

Water Treatment Industry pH Measurement pH Meter Water Test Equipment

US$ 220-350 / Piece

1 Piece(MOQ)

After-sales Service: Special Staff Services

Warranty: 3 Years

Screen: 3.5' Monochrome (320*240)

pH Range: 0-14.00 pH

ORP Range: -1999.9~+1999.9mv

Temperature Range: 0~99.9ºC

Nengshi Analytical Sensor Co., Ltd.

Digital Pen Type TDS Tester Meter TDS-3

Digital Pen Type TDS Tester Meter TDS-3

Digital Pen Type TDS Tester Meter TDS-3

Digital Pen Type TDS Tester Meter TDS-3

Digital Pen Type TDS Tester Meter TDS-3

Digital Pen Type TDS Tester Meter TDS-3

Digital Pen Type TDS Tester Meter TDS-3

US$ 1.1 / Piece

500 Pieces(MOQ)

After-sales Service: 6 Month

Warranty: 6 Month

Display: Digital

Appliance: Biochemistry

Portable: Portable

Certification: CE

Zhangzhou Green-Lake Import & Export Co., Ltd.

Ec-963 LCD Digital 0 ~ 19.99 Ms/Cm with Atc Ec Meter

Ec-963 LCD Digital 0 ~ 19.99 Ms/Cm with Atc Ec Meter

Ec-963 LCD Digital 0 ~ 19.99 Ms/Cm with Atc Ec Meter

Ec-963 LCD Digital 0 ~ 19.99 Ms/Cm with Atc Ec Meter

Ec-963 LCD Digital 0 ~ 19.99 Ms/Cm with Atc Ec Meter

Ec-963 LCD Digital 0 ~ 19.99 Ms/Cm with Atc Ec Meter

Ec-963 LCD Digital 0 ~ 19.99 Ms/Cm with Atc Ec Meter

US$ 4.94-5.39 / pieces

5 pieces(MOQ)

After-sales Service: Yes

Warranty: 12 Months

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry, Drinking Water

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

Hydroponic Green House Carbon Dioxide Monitor Large LCD Display CO2 Sensor Controller

Hydroponic Green House Carbon Dioxide Monitor Large LCD Display CO2 Sensor Controller

Hydroponic Green House Carbon Dioxide Monitor Large LCD Display CO2 Sensor Controller

Hydroponic Green House Carbon Dioxide Monitor Large LCD Display CO2 Sensor Controller

Hydroponic Green House Carbon Dioxide Monitor Large LCD Display CO2 Sensor Controller

Hydroponic Green House Carbon Dioxide Monitor Large LCD Display CO2 Sensor Controller

Hydroponic Green House Carbon Dioxide Monitor Large LCD Display CO2 Sensor Controller

US$ 76.8-92.4 / Piece

50 Pieces(MOQ)

Warranty: 2 Years

Brand: Astop

Customized: Customized

Portable: Non Portable

Certification: CE

Gas: CO2

Kunshan Ast Optoelectronics Co., Ltd

Water Trearment pH/ORP Value Test Equipment pH Meter pH3000e 4-20mA RS485 Output

Water Trearment pH/ORP Value Test Equipment pH Meter pH3000e 4-20mA RS485 Output

Water Trearment pH/ORP Value Test Equipment pH Meter pH3000e 4-20mA RS485 Output

Water Trearment pH/ORP Value Test Equipment pH Meter pH3000e 4-20mA RS485 Output

Water Trearment pH/ORP Value Test Equipment pH Meter pH3000e 4-20mA RS485 Output

Water Trearment pH/ORP Value Test Equipment pH Meter pH3000e 4-20mA RS485 Output

Water Trearment pH/ORP Value Test Equipment pH Meter pH3000e 4-20mA RS485 Output

US$ 150-200 / Piece

1 Piece(MOQ)

After-sales Service: Special Staff Services

Warranty: 3 Year

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: ISO9001, RoHS

pH Range: 0-14pH

ORP Range: ±2000mv

Nengshi Analytical Sensor Co., Ltd.

BLE-9002 2 in 1 H2/Temp Digital Hydrogen Meter Powered by Mobile Appion

BLE-9002 2 in 1 H2/Temp Digital Hydrogen Meter Powered by Mobile Appion

BLE-9002 2 in 1 H2/Temp Digital Hydrogen Meter Powered by Mobile Appion

BLE-9002 2 in 1 H2/Temp Digital Hydrogen Meter Powered by Mobile Appion

BLE-9002 2 in 1 H2/Temp Digital Hydrogen Meter Powered by Mobile Appion

BLE-9002 2 in 1 H2/Temp Digital Hydrogen Meter Powered by Mobile Appion

US$ 16-18.55 / pieces

1 pieces(MOQ)

After-sales Service: Yes

Warranty: OEM

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry, Drinking Water

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

Exact Testing pH Controller Dual Relay Outputs pH Controller for Hydroponic Solution Management Automatically Adjust pH Scale

Exact Testing pH Controller Dual Relay Outputs pH Controller for Hydroponic Solution Management Automatically Adjust pH Scale

Exact Testing pH Controller Dual Relay Outputs pH Controller for Hydroponic Solution Management Automatically Adjust pH Scale

Exact Testing pH Controller Dual Relay Outputs pH Controller for Hydroponic Solution Management Automatically Adjust pH Scale

Exact Testing pH Controller Dual Relay Outputs pH Controller for Hydroponic Solution Management Automatically Adjust pH Scale

Exact Testing pH Controller Dual Relay Outputs pH Controller for Hydroponic Solution Management Automatically Adjust pH Scale

Exact Testing pH Controller Dual Relay Outputs pH Controller for Hydroponic Solution Management Automatically Adjust pH Scale

US$ 76.2-89.7 / Piece

100 Pieces(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: Digital

Portable: Non Portable

Appliance: Food Analysis, Biochemistry, Hydroponics, Agriculture, Aquarium, Swimming Pool

Certification: ISO9001, CE

Kunshan Ast Optoelectronics Co., Ltd

High Quality Industrial Online Water pH Test Equipment pH Sensor Electrode Meter

High Quality Industrial Online Water pH Test Equipment pH Sensor Electrode Meter

High Quality Industrial Online Water pH Test Equipment pH Sensor Electrode Meter

High Quality Industrial Online Water pH Test Equipment pH Sensor Electrode Meter

High Quality Industrial Online Water pH Test Equipment pH Sensor Electrode Meter

High Quality Industrial Online Water pH Test Equipment pH Sensor Electrode Meter

High Quality Industrial Online Water pH Test Equipment pH Sensor Electrode Meter

US$ 150-200 / Piece

1 Piece(MOQ)

After-sales Service: Special Staff Services

Warranty: 3 Year

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: ISO9001, RoHS

The Size of Hole: 92mm×92mm

pH Range: 0-14pH

Nengshi Analytical Sensor Co., Ltd.

pH-009 (I) a Pen Type with High Accuracy Range 0.00-14.00pH pH Meter

pH-009 (I) a Pen Type with High Accuracy Range 0.00-14.00pH pH Meter

pH-009 (I) a Pen Type with High Accuracy Range 0.00-14.00pH pH Meter

pH-009 (I) a Pen Type with High Accuracy Range 0.00-14.00pH pH Meter

pH-009 (I) a Pen Type with High Accuracy Range 0.00-14.00pH pH Meter

pH-009 (I) a Pen Type with High Accuracy Range 0.00-14.00pH pH Meter

pH-009 (I) a Pen Type with High Accuracy Range 0.00-14.00pH pH Meter

US$ 0.88-1.8 / pieces

100 pieces(MOQ)

After-sales Service: Yes

Warranty: Yes

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry, Drinking Water

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

Digital pH Meter Dual Relay pH Controller for Hydroponic Plants Solution Nutrient Management Automatically Adjust pH Level

Digital pH Meter Dual Relay pH Controller for Hydroponic Plants Solution Nutrient Management Automatically Adjust pH Level

Digital pH Meter Dual Relay pH Controller for Hydroponic Plants Solution Nutrient Management Automatically Adjust pH Level

Digital pH Meter Dual Relay pH Controller for Hydroponic Plants Solution Nutrient Management Automatically Adjust pH Level

Digital pH Meter Dual Relay pH Controller for Hydroponic Plants Solution Nutrient Management Automatically Adjust pH Level

Digital pH Meter Dual Relay pH Controller for Hydroponic Plants Solution Nutrient Management Automatically Adjust pH Level

Digital pH Meter Dual Relay pH Controller for Hydroponic Plants Solution Nutrient Management Automatically Adjust pH Level

US$ 76.2-89.7 / Piece

100 Pieces(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: Digital

Portable: Non Portable

Appliance: Food Analysis, Biochemistry, Hydroponics, Agriculture, Aquarium, Swimming Pool

Certification: ISO9001, CE

Kunshan Ast Optoelectronics Co., Ltd

Ec-963 Digital Ec Conductivity Meter

Ec-963 Digital Ec Conductivity Meter

Ec-963 Digital Ec Conductivity Meter

Ec-963 Digital Ec Conductivity Meter

Ec-963 Digital Ec Conductivity Meter

Ec-963 Digital Ec Conductivity Meter

Ec-963 Digital Ec Conductivity Meter

US$ 4.94-5.39 / pieces

5 pieces(MOQ)

After-sales Service: Yes

Warranty: 12 Months

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry, Drinking Water

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

PT Ring Glass Laboratory ORP Sensor for Lab Meter

PT Ring Glass Laboratory ORP Sensor for Lab Meter

PT Ring Glass Laboratory ORP Sensor for Lab Meter

PT Ring Glass Laboratory ORP Sensor for Lab Meter

PT Ring Glass Laboratory ORP Sensor for Lab Meter

PT Ring Glass Laboratory ORP Sensor for Lab Meter

PT Ring Glass Laboratory ORP Sensor for Lab Meter

US$ 15-35 / Piece

1 Piece(MOQ)

After-sales Service: Special Staff Services

Warranty: 1 Year

Display: ORP Meter

Appliance: Lab, Pool, SPA, Hydroponic, etc

Certification: RoHS, ISO9001

Type: ORP Sensor

Nengshi Analytical Sensor Co., Ltd.

Precise pH Controller for Hydroponic Nutrient Mixing and Adjustment with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing and Adjustment with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing and Adjustment with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing and Adjustment with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing and Adjustment with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing and Adjustment with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing and Adjustment with Dual Relay Outputs, CE Certified

US$ 76.2-89.7 / Piece

100 Pieces(MOQ)

Warranty: 1 Year

Display: Digital

Portable: Non Portable

Appliance: Food Analysis, Biochemistry, Hydroponics, Agriculture, Aquarium, Swimming Pool

Certification: ISO9001, CE

Feature: Dual Relay

Kunshan Ast Optoelectronics Co., Ltd

Multi-Parameter 5 in 1 Water Testing Equipment Digital pH TDS Ec Meter

Multi-Parameter 5 in 1 Water Testing Equipment Digital pH TDS Ec Meter

Multi-Parameter 5 in 1 Water Testing Equipment Digital pH TDS Ec Meter

Multi-Parameter 5 in 1 Water Testing Equipment Digital pH TDS Ec Meter

Multi-Parameter 5 in 1 Water Testing Equipment Digital pH TDS Ec Meter

Multi-Parameter 5 in 1 Water Testing Equipment Digital pH TDS Ec Meter

Multi-Parameter 5 in 1 Water Testing Equipment Digital pH TDS Ec Meter

US$ 8.8-12.08 / pieces

5 pieces(MOQ)

After-sales Service: Yes

Warranty: Yes

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

Cutting-Edge Technologies pH Controller with Probe Sensor and Automatic Dosing Pump Digital Meter for Hydroponic System

Cutting-Edge Technologies pH Controller with Probe Sensor and Automatic Dosing Pump Digital Meter for Hydroponic System

Cutting-Edge Technologies pH Controller with Probe Sensor and Automatic Dosing Pump Digital Meter for Hydroponic System

Cutting-Edge Technologies pH Controller with Probe Sensor and Automatic Dosing Pump Digital Meter for Hydroponic System

Cutting-Edge Technologies pH Controller with Probe Sensor and Automatic Dosing Pump Digital Meter for Hydroponic System

Cutting-Edge Technologies pH Controller with Probe Sensor and Automatic Dosing Pump Digital Meter for Hydroponic System

Cutting-Edge Technologies pH Controller with Probe Sensor and Automatic Dosing Pump Digital Meter for Hydroponic System

US$ 76.2-89.7 / Piece

100 Pieces(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: Digital

Portable: Non Portable

Appliance: Food Analysis, Biochemistry, Hydroponics, Agriculture, Aquarium, Swimming Pool

Certification: ISO9001, CE

Kunshan Ast Optoelectronics Co., Ltd

Hydroponic Digital Meter pH Smart Water pH Sensor Online pH Meter Price

Hydroponic Digital Meter pH Smart Water pH Sensor Online pH Meter Price

US$ 120-145 / Piece

1 Piece(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry, Dissolved Oxygen Sensor

Certification: ISO9001, CE, ISO14001

Shanghai Boqu Instrument Co., Ltd.

LCD Water Acid pH Meter Ec Meter for Hydroponic Farming

LCD Water Acid pH Meter Ec Meter for Hydroponic Farming

LCD Water Acid pH Meter Ec Meter for Hydroponic Farming

LCD Water Acid pH Meter Ec Meter for Hydroponic Farming

LCD Water Acid pH Meter Ec Meter for Hydroponic Farming

LCD Water Acid pH Meter Ec Meter for Hydroponic Farming

LCD Water Acid pH Meter Ec Meter for Hydroponic Farming

US$ 6.8-8.9 / Piece

100 Pieces(MOQ)

Usage: Production Greenhouse

Size: Small

Cover Material: No Coating

Layer: Single

Item Name: pH Meter

Packing: Retail Package

G AND N FORTUNE LIMITED

Mf-H42 4 in 1 ORP H2 pH Temperature Water pH Meter

Mf-H42 4 in 1 ORP H2 pH Temperature Water pH Meter

Mf-H42 4 in 1 ORP H2 pH Temperature Water pH Meter

Mf-H42 4 in 1 ORP H2 pH Temperature Water pH Meter

Mf-H42 4 in 1 ORP H2 pH Temperature Water pH Meter

Mf-H42 4 in 1 ORP H2 pH Temperature Water pH Meter

Mf-H42 4 in 1 ORP H2 pH Temperature Water pH Meter

US$ 8-12 / pieces

5 pieces(MOQ)

After-sales Service: Yes

Warranty: Yes

Display: Digital

Portable: Portable

Appliance: Water Tester

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

Boqu Good Price Ddg-2080X Hight Temperature Water Digital TDS Conductance Electrical Conductivity Calibration Meter

Boqu Good Price Ddg-2080X Hight Temperature Water Digital TDS Conductance Electrical Conductivity Calibration Meter

Boqu Good Price Ddg-2080X Hight Temperature Water Digital TDS Conductance Electrical Conductivity Calibration Meter

Boqu Good Price Ddg-2080X Hight Temperature Water Digital TDS Conductance Electrical Conductivity Calibration Meter

Boqu Good Price Ddg-2080X Hight Temperature Water Digital TDS Conductance Electrical Conductivity Calibration Meter

Boqu Good Price Ddg-2080X Hight Temperature Water Digital TDS Conductance Electrical Conductivity Calibration Meter

Boqu Good Price Ddg-2080X Hight Temperature Water Digital TDS Conductance Electrical Conductivity Calibration Meter

US$ 85-550 / Piece

1 Piece(MOQ)

After-sales Service: 10 Engineers in After Service Department

Warranty: 1 Year

Display: Digital

Appliance: Food Analysis, Medical Research, Biochemistry

Portable: Non Portable

Certification: RoHS, FCC, CE, ISO9001

Shanghai Boqu Instrument Co., Ltd.

Nengshi Factory Direct Sales pH ORP Meter for pH ORP Electrode Water Treatment Analysis Instrument

Nengshi Factory Direct Sales pH ORP Meter for pH ORP Electrode Water Treatment Analysis Instrument

Nengshi Factory Direct Sales pH ORP Meter for pH ORP Electrode Water Treatment Analysis Instrument

Nengshi Factory Direct Sales pH ORP Meter for pH ORP Electrode Water Treatment Analysis Instrument

Nengshi Factory Direct Sales pH ORP Meter for pH ORP Electrode Water Treatment Analysis Instrument

Nengshi Factory Direct Sales pH ORP Meter for pH ORP Electrode Water Treatment Analysis Instrument

Nengshi Factory Direct Sales pH ORP Meter for pH ORP Electrode Water Treatment Analysis Instrument

US$ 150-220 / Piece

1 Piece(MOQ)

After-sales Service: Special Staff Services

Warranty: 3 Year

Display: LED

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: ISO9001, RoHS

Product Name: Digital Transmitter 3000d

Nengshi Analytical Sensor Co., Ltd.

High Precision and Fast pH Meter

High Precision and Fast pH Meter

US$ 7-10 / Piece

1 Piece(MOQ)

Weight: 85g

Packing: Box

Standard: 15.5 x 3.1 x 2.3 cm

Port: Qingdao

Production Capacity: 100000 Piece/Month

Trademark: tlead

Qingdao Tlead International Co., Ltd.

High Quality Arrival pH Electrode Probe BNC Connector for Aquarium pH Controller Meter Sensor Gib Digital pH Sensor Electrode

High Quality Arrival pH Electrode Probe BNC Connector for Aquarium pH Controller Meter Sensor Gib Digital pH Sensor Electrode

High Quality Arrival pH Electrode Probe BNC Connector for Aquarium pH Controller Meter Sensor Gib Digital pH Sensor Electrode

High Quality Arrival pH Electrode Probe BNC Connector for Aquarium pH Controller Meter Sensor Gib Digital pH Sensor Electrode

High Quality Arrival pH Electrode Probe BNC Connector for Aquarium pH Controller Meter Sensor Gib Digital pH Sensor Electrode

High Quality Arrival pH Electrode Probe BNC Connector for Aquarium pH Controller Meter Sensor Gib Digital pH Sensor Electrode

High Quality Arrival pH Electrode Probe BNC Connector for Aquarium pH Controller Meter Sensor Gib Digital pH Sensor Electrode

US$ 3.5-4.15 / Piece

1 Piece(MOQ)

After-sales Service: Lifelong

Warranty: 1 Year

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Aquarium Hydroponic Laboratory

Item: pH Sensor Electrode

Suzhou Holi Smart Technology Co., Ltd.

Pen Type pH Sensor BNC Connector Probe Pool Water Factory Industry Experiment Laboratory pH Composite Electrode

Pen Type pH Sensor BNC Connector Probe Pool Water Factory Industry Experiment Laboratory pH Composite Electrode

Pen Type pH Sensor BNC Connector Probe Pool Water Factory Industry Experiment Laboratory pH Composite Electrode

Pen Type pH Sensor BNC Connector Probe Pool Water Factory Industry Experiment Laboratory pH Composite Electrode

Pen Type pH Sensor BNC Connector Probe Pool Water Factory Industry Experiment Laboratory pH Composite Electrode

Pen Type pH Sensor BNC Connector Probe Pool Water Factory Industry Experiment Laboratory pH Composite Electrode

Pen Type pH Sensor BNC Connector Probe Pool Water Factory Industry Experiment Laboratory pH Composite Electrode

US$ 3.65-4.9 / Piece

1 Piece(MOQ)

After-sales Service: Lifelong

Warranty: 1 Year

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Aquarium Hydroponic Laboratory

Item: pH Sensor Electrode

Suzhou Holi Smart Technology Co., Ltd.

TDS Ec Meter Hold pH Meter for Hydroponics

TDS Ec Meter Hold pH Meter for Hydroponics

TDS Ec Meter Hold pH Meter for Hydroponics

TDS Ec Meter Hold pH Meter for Hydroponics

TDS Ec Meter Hold pH Meter for Hydroponics

TDS Ec Meter Hold pH Meter for Hydroponics

TDS Ec Meter Hold pH Meter for Hydroponics

US$ 5.99-12.99 / Piece

100 Pieces(MOQ)

Usage: Production Greenhouse

Size: Small

Cover Material: No Coating

Layer: Single

Item Name: pH Meter

Packing: Retail Package

G AND N FORTUNE LIMITED

High Quality Digital pH Electrode Hydroponic pH Meter

High Quality Digital pH Electrode Hydroponic pH Meter

US$ 45-60 / Piece

1 Piece(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: ISO9001, CE

Shanghai Boqu Instrument Co., Ltd.

Drinking Water Swimming Pools Aquariums Hydroponics Used Digital pH Meter Pocket Pen Tester

Drinking Water Swimming Pools Aquariums Hydroponics Used Digital pH Meter Pocket Pen Tester

Drinking Water Swimming Pools Aquariums Hydroponics Used Digital pH Meter Pocket Pen Tester

Drinking Water Swimming Pools Aquariums Hydroponics Used Digital pH Meter Pocket Pen Tester

Drinking Water Swimming Pools Aquariums Hydroponics Used Digital pH Meter Pocket Pen Tester

Drinking Water Swimming Pools Aquariums Hydroponics Used Digital pH Meter Pocket Pen Tester

Drinking Water Swimming Pools Aquariums Hydroponics Used Digital pH Meter Pocket Pen Tester

US$ 27.5-35.2 / Piece

1 Piece(MOQ)

After-sales Service: Technical Support

Warranty: 1 Year

Display: Digital

Portable: Portable

Appliance: Water Treatment

Certification: ISO9001

Shenzhen Yowexa Measurement Technology Co., Ltd.

Customized RS485 Hydroponic pH Controller 4-20 Ma Pool Water Analyzer Online pH Meter

Customized RS485 Hydroponic pH Controller 4-20 Ma Pool Water Analyzer Online pH Meter

US$ 115-136 / Set

1 Set(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: LCD

Portable: Online pH Meter

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: ISO9001

Dongguan Daxin Electronic Technology Co., Ltd.

Veinasa-Ylj06 0 2.000mg/L Online Swimming Pool Transmitter Sensor Water RS485 Probe Residual 4-20mA Chlorine Sensor

Veinasa-Ylj06 0 2.000mg/L Online Swimming Pool Transmitter Sensor Water RS485 Probe Residual 4-20mA Chlorine Sensor

Veinasa-Ylj06 0 2.000mg/L Online Swimming Pool Transmitter Sensor Water RS485 Probe Residual 4-20mA Chlorine Sensor

Veinasa-Ylj06 0 2.000mg/L Online Swimming Pool Transmitter Sensor Water RS485 Probe Residual 4-20mA Chlorine Sensor

Veinasa-Ylj06 0 2.000mg/L Online Swimming Pool Transmitter Sensor Water RS485 Probe Residual 4-20mA Chlorine Sensor

Veinasa-Ylj06 0 2.000mg/L Online Swimming Pool Transmitter Sensor Water RS485 Probe Residual 4-20mA Chlorine Sensor

Veinasa-Ylj06 0 2.000mg/L Online Swimming Pool Transmitter Sensor Water RS485 Probe Residual 4-20mA Chlorine Sensor

US$ 530-580 / Piece

1 Piece(MOQ)

Warranty: 1 Year

Appliance: Water Quaslity Test

Portable: Portable

Certification: CE

Type: Online Residual Chlorine Meter

Working Temperature: 5~50ºC

Sichuan Weinasa Technology Co., Ltd.

CE ISO Hydroponic Controller Do Ec TDS Pump Water Quality Monitor pH/ORP Meter Laboratory Tester Portable pH Meter

CE ISO Hydroponic Controller Do Ec TDS Pump Water Quality Monitor pH/ORP Meter Laboratory Tester Portable pH Meter

US$ 108-144 / Piece

1 Piece(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry, pH Analyzer

Certification: ISO9001, CE

Shanghai Boqu Instrument Co., Ltd.

Veinasa-Ylj06 Portable Digital Free Probe Online Residual Chlorine Electrode Detector Meter Sensor for Drinking Water

Veinasa-Ylj06 Portable Digital Free Probe Online Residual Chlorine Electrode Detector Meter Sensor for Drinking Water

Veinasa-Ylj06 Portable Digital Free Probe Online Residual Chlorine Electrode Detector Meter Sensor for Drinking Water

Veinasa-Ylj06 Portable Digital Free Probe Online Residual Chlorine Electrode Detector Meter Sensor for Drinking Water

Veinasa-Ylj06 Portable Digital Free Probe Online Residual Chlorine Electrode Detector Meter Sensor for Drinking Water

Veinasa-Ylj06 Portable Digital Free Probe Online Residual Chlorine Electrode Detector Meter Sensor for Drinking Water

Veinasa-Ylj06 Portable Digital Free Probe Online Residual Chlorine Electrode Detector Meter Sensor for Drinking Water

US$ 530-580 / Piece

1 Piece(MOQ)

Warranty: 1 Year

Appliance: Biochemistry, Water Quaslity Test

Portable: Portable

Certification: CE

Type: Online Residual Chlorine Meter

Working Temperature: 5~50ºC

Sichuan Weinasa Technology Co., Ltd.

Advanced pH Controller with Monitoring Probe and Dosing Pump Digital Meter for Hydroponic System

Advanced pH Controller with Monitoring Probe and Dosing Pump Digital Meter for Hydroponic System

Advanced pH Controller with Monitoring Probe and Dosing Pump Digital Meter for Hydroponic System

Advanced pH Controller with Monitoring Probe and Dosing Pump Digital Meter for Hydroponic System

Advanced pH Controller with Monitoring Probe and Dosing Pump Digital Meter for Hydroponic System

Advanced pH Controller with Monitoring Probe and Dosing Pump Digital Meter for Hydroponic System

Advanced pH Controller with Monitoring Probe and Dosing Pump Digital Meter for Hydroponic System

US$ 76.2-89.7 / Piece

100 Pieces(MOQ)

Warranty: 1 Year

Display: Digital

Portable: Non Portable

Appliance: Food Analysis, Biochemistry, Hydroponics, Agriculture, Aquarium, Swimming Pool

Certification: ISO9001, CE

Feature: Dual Relay

Kunshan Ast Optoelectronics Co., Ltd

Ez9908 Wholesale Digital 4 in 1 TDS/Ec/pH Meter with Backlight

Ez9908 Wholesale Digital 4 in 1 TDS/Ec/pH Meter with Backlight

Ez9908 Wholesale Digital 4 in 1 TDS/Ec/pH Meter with Backlight

Ez9908 Wholesale Digital 4 in 1 TDS/Ec/pH Meter with Backlight

Ez9908 Wholesale Digital 4 in 1 TDS/Ec/pH Meter with Backlight

Ez9908 Wholesale Digital 4 in 1 TDS/Ec/pH Meter with Backlight

Ez9908 Wholesale Digital 4 in 1 TDS/Ec/pH Meter with Backlight

US$ 6.55-7.44 / pieces

50 pieces(MOQ)

After-sales Service: Yes

Warranty: Yes

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

Best Seller TDS Pen Water Quality Test Meter for RO System

Best Seller TDS Pen Water Quality Test Meter for RO System

Best Seller TDS Pen Water Quality Test Meter for RO System

Best Seller TDS Pen Water Quality Test Meter for RO System

Best Seller TDS Pen Water Quality Test Meter for RO System

Best Seller TDS Pen Water Quality Test Meter for RO System

Best Seller TDS Pen Water Quality Test Meter for RO System

US$ 2 / Piece

1 Piece(MOQ)

After-sales Service: Online Support

Warranty: 1year

Display: Digital

Appliance: Liquid Tester

Portable: Portable

Type: TDS Meter

Ewater Water Treatment Co., Ltd

CF Ecostick - Ec/Ppm/CF Meter

CF Ecostick - Ec/Ppm/CF Meter

CF Ecostick - Ec/Ppm/CF Meter

CF Ecostick - Ec/Ppm/CF Meter

CF Ecostick - Ec/Ppm/CF Meter

CF Ecostick - Ec/Ppm/CF Meter

CF Ecostick - Ec/Ppm/CF Meter

US$ 1 / Piece

1 Piece(MOQ)

Port: Qingdao

Qingdao Tlead International Co., Ltd.

Phs-3CB Bench Top pH Meter Cheap Price

Phs-3CB Bench Top pH Meter Cheap Price

Phs-3CB Bench Top pH Meter Cheap Price

Phs-3CB Bench Top pH Meter Cheap Price

Phs-3CB Bench Top pH Meter Cheap Price

US$ 75 / Piece

1 Piece(MOQ)

Display: Digital

Portable: Non Portable

Appliance: Food Analysis, Medical Research, Biochemistry, Industrial

Certification: CE

pH Range: 0-14.0 pH

pH (Resolution): 0.01 pH

WANT Balance Instrument Co., Ltd.

Portable Handheld Hm TDS Pen Conductive Plastic Potentio Conductivity Meter Pocket Price

Portable Handheld Hm TDS Pen Conductive Plastic Potentio Conductivity Meter Pocket Price

Portable Handheld Hm TDS Pen Conductive Plastic Potentio Conductivity Meter Pocket Price

Portable Handheld Hm TDS Pen Conductive Plastic Potentio Conductivity Meter Pocket Price

Portable Handheld Hm TDS Pen Conductive Plastic Potentio Conductivity Meter Pocket Price

Portable Handheld Hm TDS Pen Conductive Plastic Potentio Conductivity Meter Pocket Price

Portable Handheld Hm TDS Pen Conductive Plastic Potentio Conductivity Meter Pocket Price

US$ 2 / Piece

1 Piece(MOQ)

After-sales Service: Online Support

Warranty: 1year

Appliance: Liquid Tester

Measure Item: TDS, Temperature

Power Supply: Battery Powered

Shell Material: Shell Material

Ewater Water Treatment Co., Ltd

Controller pH Ec Automatic Cosmetic pH Meter Controller pH Ec Hydroponic

Controller pH Ec Automatic Cosmetic pH Meter Controller pH Ec Hydroponic

Controller pH Ec Automatic Cosmetic pH Meter Controller pH Ec Hydroponic

Controller pH Ec Automatic Cosmetic pH Meter Controller pH Ec Hydroponic

Controller pH Ec Automatic Cosmetic pH Meter Controller pH Ec Hydroponic

Controller pH Ec Automatic Cosmetic pH Meter Controller pH Ec Hydroponic

Controller pH Ec Automatic Cosmetic pH Meter Controller pH Ec Hydroponic

US$ 155-170 / Piece

1 Piece(MOQ)

Enter Attribute Here (e.g.: Size): Enter Value Here (e.g.: 12 Inches)

Packing: Standard Package

Standard: 1KG

Port: Shanghai

Production Capacity: 10000PCS/Month

Trademark: SUPMEA

Hangzhou Supmea International Trading Co., Ltd.

Apure Digital Hydroponics pH Control Online Waste Water Digital ORP pH Meter

Apure Digital Hydroponics pH Control Online Waste Water Digital ORP pH Meter

Apure Digital Hydroponics pH Control Online Waste Water Digital ORP pH Meter

Apure Digital Hydroponics pH Control Online Waste Water Digital ORP pH Meter

Apure Digital Hydroponics pH Control Online Waste Water Digital ORP pH Meter

Apure Digital Hydroponics pH Control Online Waste Water Digital ORP pH Meter

Apure Digital Hydroponics pH Control Online Waste Water Digital ORP pH Meter

US$ 98-165 / Piece

1 Piece(MOQ)

After-sales Service: 1year

Warranty: 1year

Display: Digital

Portable: Non Portable

Appliance: Medical Research, Biochemistry, Water

Certification: CE

Shanghai Kuosi Electronic Co., Ltd.

Digital pH Meter Tester Aquarium Hydroponic pH Monitor Medical pH Meter

Digital pH Meter Tester Aquarium Hydroponic pH Monitor Medical pH Meter

US$ 137-162 / Set

1 Set(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: LCD

Portable: Non Portable

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: ISO9001

Dongguan Daxin Electronic Technology Co., Ltd.

Greenhouse Hydroponic Gas Controller CO2 Analyzer with Dual Beam Sensor for Grow Room

Greenhouse Hydroponic Gas Controller CO2 Analyzer with Dual Beam Sensor for Grow Room

Greenhouse Hydroponic Gas Controller CO2 Analyzer with Dual Beam Sensor for Grow Room

Greenhouse Hydroponic Gas Controller CO2 Analyzer with Dual Beam Sensor for Grow Room

Greenhouse Hydroponic Gas Controller CO2 Analyzer with Dual Beam Sensor for Grow Room

Greenhouse Hydroponic Gas Controller CO2 Analyzer with Dual Beam Sensor for Grow Room

Greenhouse Hydroponic Gas Controller CO2 Analyzer with Dual Beam Sensor for Grow Room

US$ 58.3-72.4 / Piece

50 Pieces(MOQ)

Warranty: 2 Years

Brand: Astop

Customized: Customized

Portable: Portable

Certification: CE

Gas: CO2

Kunshan Ast Optoelectronics Co., Ltd

Factory Supply High Accuracy pH and Temperature Meter for Sale

Factory Supply High Accuracy pH and Temperature Meter for Sale

Factory Supply High Accuracy pH and Temperature Meter for Sale

Factory Supply High Accuracy pH and Temperature Meter for Sale

Factory Supply High Accuracy pH and Temperature Meter for Sale

Factory Supply High Accuracy pH and Temperature Meter for Sale

Factory Supply High Accuracy pH and Temperature Meter for Sale

US$ 5 / Piece

1 Piece(MOQ)

After-sales Service: Online Support

Warranty: 1year

Display: Digital

Appliance: Liquid Tester

Portable: Portable

Type: PH Meter

Ewater Water Treatment Co., Ltd

Hedao Portable 4 in 1 TDS/Ec/pH/Temp pH Meter

Hedao Portable 4 in 1 TDS/Ec/pH/Temp pH Meter

Hedao Portable 4 in 1 TDS/Ec/pH/Temp pH Meter

Hedao Portable 4 in 1 TDS/Ec/pH/Temp pH Meter

Hedao Portable 4 in 1 TDS/Ec/pH/Temp pH Meter

Hedao Portable 4 in 1 TDS/Ec/pH/Temp pH Meter

Hedao Portable 4 in 1 TDS/Ec/pH/Temp pH Meter

US$ 7.5-9 / Piece

200 Pieces(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: Digital

Portable: Portable

Appliance: Hosehold

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

Hm TDS Meters Kl-740 Kl-741 with Temp Display

Hm TDS Meters Kl-740 Kl-741 with Temp Display

Hm TDS Meters Kl-740 Kl-741 with Temp Display

US$ 7 / Piece

1 Piece(MOQ)

Packing: Box

Standard: TDS Range: 0-9990 ppm (mg/L)

Port: Qingdao

Production Capacity: 100000 Pieces/Month

Trademark: tlead

Origin: Qingdao, Shandong Province, China

Qingdao Tlead International Co., Ltd.

Precise pH Controller for Hydroponic Nutrient Mixing with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing with Dual Relay Outputs, CE Certified

Precise pH Controller for Hydroponic Nutrient Mixing with Dual Relay Outputs, CE Certified

US$ 76.2-89.7 / Piece

100 Pieces(MOQ)

Warranty: 1 Year

Display: Digital

Portable: Non Portable

Appliance: Food Analysis, Biochemistry, Hydroponics, Agriculture, Aquarium, Swimming Pool

Certification: ISO9001, CE

Feature: Dual Relay

Kunshan Ast Optoelectronics Co., Ltd

Wholesale Hydroponics Apure Digital 4-20mA pH Ec TDS Controller pH ORP Meter

Wholesale Hydroponics Apure Digital 4-20mA pH Ec TDS Controller pH ORP Meter

Wholesale Hydroponics Apure Digital 4-20mA pH Ec TDS Controller pH ORP Meter

Wholesale Hydroponics Apure Digital 4-20mA pH Ec TDS Controller pH ORP Meter

Wholesale Hydroponics Apure Digital 4-20mA pH Ec TDS Controller pH ORP Meter

Wholesale Hydroponics Apure Digital 4-20mA pH Ec TDS Controller pH ORP Meter

Wholesale Hydroponics Apure Digital 4-20mA pH Ec TDS Controller pH ORP Meter

US$ 98-165 / Piece

1 Piece(MOQ)

Display: Digital

Portable: Non Portable

Appliance: Medical Research, Biochemistry, Water

Certification: CE

Range of Application: Water Treatment

Measuring Range: 0-14.00pH; -1999-1999mv; 0-135.0ºC

Shanghai Kuosi Electronic Co., Ltd.

pH-9951W WiFi Online 5 in 1 Salinity TDS Tester Meter Control

pH-9951W WiFi Online 5 in 1 Salinity TDS Tester Meter Control

pH-9951W WiFi Online 5 in 1 Salinity TDS Tester Meter Control

pH-9951W WiFi Online 5 in 1 Salinity TDS Tester Meter Control

pH-9951W WiFi Online 5 in 1 Salinity TDS Tester Meter Control

pH-9951W WiFi Online 5 in 1 Salinity TDS Tester Meter Control

pH-9951W WiFi Online 5 in 1 Salinity TDS Tester Meter Control

US$ 28-29.45 / pieces

5 pieces(MOQ)

After-sales Service: Yes

Warranty: Yes

Display: Digital

Portable: Portable

Appliance: Food Analysis, Medical Research, Biochemistry, Aquarium

Certification: CE

Fuzhou Hedao Trade Co., Ltd.

RS485 Measure pH TDS Ec Meter for Hydroponics

RS485 Measure pH TDS Ec Meter for Hydroponics

RS485 Measure pH TDS Ec Meter for Hydroponics

RS485 Measure pH TDS Ec Meter for Hydroponics

RS485 Measure pH TDS Ec Meter for Hydroponics

RS485 Measure pH TDS Ec Meter for Hydroponics

RS485 Measure pH TDS Ec Meter for Hydroponics

US$ 98-160 / Piece

1 Piece(MOQ)

Display: Digital

Appliance: Medical Research, Biochemistry, Water

Portable: Non Portable

Certification: CE

Type: Conductivity Meter

Measuring Medium: Water

Shanghai GL Environmental Technology Co., Ltd.

PC9901+ORP100 Industrial Digital Intelligent Hydroponic Aquarium Dosing Control pH ORP Controller Meter

PC9901+ORP100 Industrial Digital Intelligent Hydroponic Aquarium Dosing Control pH ORP Controller Meter

US$ 100-160 / Set

1 Set(MOQ)

After-sales Service: Yes

Warranty: 1 Year

Display: LCD

Portable: Online pH Meter

Appliance: Food Analysis, Medical Research, Biochemistry

Certification: ISO9001

Dongguan Daxin Electronic Technology Co., Ltd.

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