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about do controller
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do controller
6,000+ factories verified
Shanghai Boqu Instrument Co., Ltd.
19 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Boqu Dog-2082ys Hot Sell Dissolved Oxygen Measurement in Water Treatment Factory Do Controller
US$
85.00
-
550.00
1 Piece
(MOQ)
Boqu Dcsg-2099 Water Quality Index Wqi in Drinking Water Multi-Parameter Analyzer for pH Conductivity Turbidity Trc Sensor 24V Power Supply
US$
2,599.00
-
3,199.00
1 Piece
(MOQ)
Industrial Optical Digital Dissolved Oxygen Sensor Online Water Quality Do Controller Do Probe
US$
85.00
-
550.00
1 Piece
(MOQ)
Boqu Dcsg-2099 Online Analyzer pH Ec Do Residual Chlorine Turbidity Multiparameter Water Controller with RS485 Integrated Drainage System Analyzer
US$
1,000.00
-
9,999.00
1 Piece
(MOQ)
1/4
Suzhou Delfino Environmental Technology Co., Ltd.
11 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Professional Industrial pH, ORP, Conductivity Do Multiparameter Controller for Water Treatment
US$
249.00
-
290.00
1 Piece
(MOQ)
Customized Four/Three/Two Multi Parameters Controller Ec/Do/Tu/Cod/pH/ORP with Free Mounting Accessories
US$
259.00
-
329.00
1 Piece
(MOQ)
4-20mA RS485 Dissolved Oxygen Controller Do Controller for Water Monitoring
US$
199.00
-
232.00
1 Piece
(MOQ)
Digital Dissolved Oxygen Controller Do Controller with Two 4-20mA Current Outputs
US$
195.00
-
225.00
1 Piece
(MOQ)
1/4
Changsha Supmeter Technological Co., Ltd.
21 yrs
·
5.0
·
Manufacturer/Factory
Send Inquiry
Touch Screen Analog Output Belt Scale Controller with 3 Di and 4 Do, Belt Weighing Scale with Modbus RTU
US$
520.00
-
570.00
1 Piece
(MOQ)
Supmeter Touch Screen Hopper Packing Scale Weighing Controller with Definable Di Do Ao Communication Port
US$
283.00
-
315.00
1 Piece
(MOQ)
Supmeter Ration Weighing Bagging Controller Bst106-M10[Al] with Definable Di Do Ao
US$
269.00
-
285.30
1 Piece
(MOQ)
Supmeter Dual Scales Bag Packaging Machine Weight Controller with Definable Di Do Ao COM Port for 5-50kg Rice/Sugar Packaging Machinery
US$
283.00
-
315.00
1 Piece
(MOQ)
1/4
Xiamen Yuanxin Trading Co., Ltd
6 yrs
·
Trading Company
Send Inquiry
New Original 1769-Iq6xow4 PLC Controller 10PT 24VDC D/I Relay D/O Module 1769-IR6 1769-It6PLC Controller 1769lq6xow4
US$
800.00
1 acres
(MOQ)
100% Original 1769-Ob32t Cmplx 32 PT 24VDC Terminated D/O Module 1769-Ob8 1769-Ob8-Cc PLC Controller 1769ob32t
US$
800.00
1 acres
(MOQ)
100% Brand New 1756-Ob8 Control 8 PT 12/24V DC D/O Mode 1756-Ob8-Cc 1756-Ob8ei PLC Controller 1756ob8 Allen Bradl-Ey
US$
800.00
1 acres
(MOQ)
Sealed New 1756-OA8d Control 8 Point D/O Mode 1756-OA8d-Cc 1756-OA8e PLC Controller 1756OA8d Allen Bradl-Ey
US$
800.00
1 acres
(MOQ)
1/4
JIDE LTD
6 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Jide Multi-Parameter Industrial Touchscreen Controller Transmitter Can Connect 2 to 8 Sensors pH Ec ORP Do Turbidity Cod Nh4 Sensor
US$
676.00
-
696.00
1 Piece
(MOQ)
OEM Online Industrial pH/ ORP/ Ec/ TDS/ Conductivity/ Do/ Turbidity Controller with High/Low Alarms Wq1000
US$
100.00
-
120.00
1 Piece
(MOQ)
Wholesale Price Industrial Pid Dual Channel Controller Transmitter for pH ORP Ec Conductivity TDS Do Turbidity Sensor for Water Treatment
US$
169.00
-
189.00
1 Piece
(MOQ)
Online Multi-Parameter Water Quality Monitoring System Residual Chlorine pH ORP TDS Conductivity Turbidity Do Sensor for Drinking Water and Swimming Pool
US$
1,999.00
1 Piece
(MOQ)
1/4
Shanghai GL Environmental Technology Co., Ltd.
Send Inquiry
Apure Dissolved Oxygen Controller for Sewage Treatment with Do Sensor (A10)
US$
162.00
-
450.00
1 Piece
(MOQ)
Cheap Aquarium Do Online Dissolved Oxygen Controller
US$
162.00
-
450.00
1 Piece
(MOQ)
RS485 Modbus Water Dissolved Oxygen Digital Do Meter
US$
162.00
-
450.00
1 Piece
(MOQ)
Apure A10 Aquarium Do Sensor Online Dissolved Oxygen Meter
US$
162.00
-
450.00
1 Piece
(MOQ)
1/4
Suzhou Yosemite Technologies Ltd.
13 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Online Dissolved Oxygen Controller Do Transmitter
Negotiable
1 Piece
(MOQ)
Online RS-485 Dissolved Oxygen Controller Dual-Channel Transmitter Do Analyzer
Negotiable
1 Piece
(MOQ)
Online Dual-Channel Transmitter Dual-Channel Controller
Negotiable
1 Piece
(MOQ)
Dual-Channel Transmitter Online Dissolved Oxygen Transmitter
Negotiable
1 Piece
(MOQ)
1/4
Shandong Potensi International Trading Co., Ltd.
7 yrs
·
Trading Company
Send Inquiry
Hot-Selling Best-Selling Popular Door Controller Do 3000X Hba24360g10
US$
200.00
-
220.00
1 Piece
(MOQ)
Efficient Elevator Components Door Controller Do 3000X Hba24360g10 for Enhanced Safety
US$
165.00
2 Pieces
(MOQ)
100% Original Supply Elevator Parts for Door Controller Vf7+ Can in Stock
US$
879.00
-
1,310.00
1 Piece
(MOQ)
Tailored to Your Needs Top Quality Elevator Door Controller Nsfc01-02 for Nbsl
US$
250.00
-
260.00
1 Piece
(MOQ)
1/4
BGT Technology(Beijing) Co., Ltd.
5.0
Send Inquiry
RS485 Output Online Display Controller for Water Quality Monitoring pH Ec Do TDS ORP Cod Turbidity Sensor Analyzer
US$
265.00
-
315.00
1 Piece
(MOQ)
Intelligent Conductivity Ec Sensor RS485 Online Electric Conductivity SS316L Probe Water Quality Monitoring TDS Sensor
US$
239.99
-
279.99
1 Piece
(MOQ)
Strong Durability CE Wall-Mount LCD Display CO2 Detecting Sensor for Greenhouse Warehouse
US$
26.50
-
29.50
1 Piece
(MOQ)
40m 80GHz Urban Waterlogging Reservoir Water Level Irrigation Area Channel Water Level Monitoring Radar Water Level Sensor
US$
396.00
-
440.00
1 Piece
(MOQ)
1/4
Shanghai Kuosi Electronic Co., Ltd.
Send Inquiry
Cheap Aquarium Do Online Dissolved Oxygen Controller
US$
160.00
-
450.00
1 Piece
(MOQ)
Online Fluorescence Do Meter/Dissolved Oxygen Sensor Controller Meter for Water Tester
US$
98.00
-
165.00
1 Piece
(MOQ)
Apure pH Ec ORP Do Water Analysis Instrument
US$
98.00
-
165.00
1 Piece
(MOQ)
TDS Do Temperature Industrial Online pH Tester Meter
US$
98.00
-
165.00
1 Piece
(MOQ)
1/4
Hefei Siko Instruments Co., Ltd.
5.0
Send Inquiry
High Quality Industrial Submersible Online Dissolved Oxygen Meter Do Controller
US$
240.00
-
400.00
2 Pieces
(MOQ)
12-in-1 Multiparameter Water Quality Analyzer pH Ec Do TDS Cod Turbidity Chlorine Sensor
US$
1,000.00
-
1,200.00
2 Pieces
(MOQ)
Factory High Accuracy Online Industry Digital Aquarium Dissolved Oxygen Sensor Meter
US$
240.00
-
400.00
2 Pieces
(MOQ)
Electronic Digital Grand River Water Staff Gauge for Parshall Flume
US$
250.00
-
300.00
1 Piece
(MOQ)
1/4
Beijing Zhongping Technology Co., Ltd.
10 yrs
·
5.0
·
Trading Company
Send Inquiry
Kinco K606-24dt PLC 24-Do 24V DC Programmable Logic Controller
US$
50.00
-
1,000.00
1 Piece
(MOQ)
Siemens 6ED1052-2fb08-0ba2 PLC Control Panel Programmable Logic Controller
Negotiable
1 Piece
(MOQ)
Idec Ruseries USB Relay Controller for PC-Based Automation
Negotiable
1 Piece
(MOQ)
Delta ASDA-A2-E High-Performance Servo Drive System & Controller
Negotiable
1 Piece
(MOQ)
1/4
JINAN BESTAR INC.
20 yrs
·
5.0
·
Trading Company
Send Inquiry
Refrigeration Unit Digital Controller Digital Switch Temperature Controller
US$
7.50
-
7.90
100 Pieces
(MOQ)
etc-961 Digital Thermostat Digital Temperature Controller
US$
8.50
-
8.90
100 Pieces
(MOQ)
Digital Thermostat LCD Display Temperature Controller
US$
7.00
-
10.00
50 Pieces
(MOQ)
Refrigeration Thermostat Freezer Digital Temperature Controller
US$
8.50
-
8.90
100 Pieces
(MOQ)
1/4
Zhengzhou Freshliance Electronics Corp., Ltd
11 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Tagplus-Th Temperature Humidity Controller Transmitter with LCD for Cold Chain Applications
US$
8.80
-
12.00
10 Pieces
(MOQ)
Tagplus-Th Temperature Controller Transmitter for Precise Humidity and Temperature Control
US$
8.80
-
12.00
10 Pieces
(MOQ)
Tagplus-Th Temperature Humidity Controller Transmitter for Cold Chain Transport Solutions
US$
8.80
-
12.00
10 Pieces
(MOQ)
Tagplus-Th Reprogrammable Data Logger for Precise Temperature and Humidity Control
US$
8.80
-
12.00
10 Pieces
(MOQ)
1/4
BAOJI XINGYUTENG MEASURE AND CONTROL INSTRUMENTS CO., LTD.
5.0
Send Inquiry
LED Display Relay Output Digital Boiler Pressure Controller
US$
70.00
-
79.00
10 Pieces
(MOQ)
24V Intelligent Pressure Switch Controller with LED Digital Display
US$
70.00
-
79.00
10 Pieces
(MOQ)
-0.1~100MPa Stainless Steel Two Lines Control Relay Output Intelligent Pressure Switch
US$
70.00
-
80.00
1 Piece
(MOQ)
All Digital Stainless Steel Intelligent Pressure Transmitter Which Easy to Operate and Adjust
US$
75.00
-
80.00
1 Piece
(MOQ)
1/4
Shenzhen Jutai Comm Co., Ltd.
14 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Anti-Clone Rolling Code Remote Control Gate Receiver Controller
US$
28.00
-
40.00
1 Set
(MOQ)
Gate Opener Receiver Controller with Wiegand Output
US$
32.00
-
45.00
1 Piece
(MOQ)
Intelligent Traffic Signal Light Controller for Efficient Car Parking
US$
150.00
-
200.00
1 Piece
(MOQ)
Easy Detection Dual Channel Vehicle Loop Detector for Parking System
US$
50.00
-
55.00
9 Pieces
(MOQ)
1/4
Nanjing Decowell Automation Co., Ltd.
10 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
High-Performance PLC Controller with All-in-One Bus I/O Module for Industrial Automation
US$
96.04
-
137.20
1 Piece
(MOQ)
Expansion Remote IO Module with EtherCAT for Temperature, DI DO and AI AO
US$
45.00
-
249.00
1 Piece
(MOQ)
Expansion Remote IO Module with DeviceNet for Temperature, DI DO and AI AO
US$
45.00
-
249.00
1 Piece
(MOQ)
Expansion Remote IO Module with EtherNet/IP for Temperature, DI DO and AI AO
US$
45.00
-
249.00
1 Piece
(MOQ)
1/4
Shenzhen Nordson Electronic Co., Ltd.
4.7
Send Inquiry
Single Metal Door Controller with Keypad and Card Reader with Huge Storage Capacity.
US$
27.50
-
31.50
1 Piece
(MOQ)
125kHz Single Door Wiegand Input and Output Muti-Fuction RFID Door Lock Access Control System with Touch Screen Keypad
US$
10.00
-
17.00
1 Piece
(MOQ)
Wiegand Output and Input 125kHz RFID Access Controller with Touch Screen Keypad
US$
14.00
-
18.50
1 Piece
(MOQ)
125kHz RFID Standalone Open Close Door Keypad with Touch Screen Keypad
US$
10.00
-
17.00
1 Piece
(MOQ)
1/4
BNSENS Co., Ltd.
5.0
Send Inquiry
Honeywell R7428A1006 Temperature and Humidity Controller
US$
1.00
-
699.00
1 Piece
(MOQ)
Honeywell Resideo L4006A 1017 Aquastat@ Controllers L4006A,B,E.H L4006A1017
US$
1.00
-
189.00
1 Piece
(MOQ)
Honeywell P906C2004 Proportional Differential Pressure Controllers P906C Seires
US$
1.00
-
699.00
1 Piece
(MOQ)
Honeywell L4079A1050/U, L4079B1033/U, L4079B1041/U, L4079B1066/U, L4079A, B, W PressureTrol® Limit Control
US$
1.00
-
799.00
1 Piece
(MOQ)
1/4
Jiangsu Acrel Electrical Manufacturing Co., Ltd.
22 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Acrel Ard3 Intelligent Motor Protection Controller
US$
210.00
-
646.00
1 Piece
(MOQ)
Low Voltage Motor Protection Relay Controller
US$
94.80
-
646.00
1 Piece
(MOQ)
Multifunction Electronic Motor Protector and Controller
US$
215.40
-
646.20
1 Piece
(MOQ)
Acrel Ard2 Motor Protection Controller for Low-Voltage Motor Circuits
US$
81.00
-
108.00
1 Piece
(MOQ)
1/4
Dongguan Nanxus Information Technology Co., Ltd
Send Inquiry
Temi2502 Digital Thermostat Humidity Controller
US$
1,000.00
-
2,000.00
1 Piece
(MOQ)
Temi2702 Digital Thermal Expansion Valve and Humidity Controller Unit
US$
1,000.00
-
2,000.00
1 Piece
(MOQ)
Temi2702 Electronic Expansion Valve Controller/Temperature and Humidity Controller
US$
1,000.00
-
2,000.00
1 Piece
(MOQ)
Temi990 Multi-Layer Vacuum Pressure Controller
US$
1,000.00
-
2,000.00
1 Piece
(MOQ)
1/4
Tianjin Shiny-Metals Technology Co., Ltd.
Send Inquiry
PLC Trainer Kit ABB PLC PAC and Dedicated Controllers Ai895 Ao895 Ai810 Do810 Wholesale Chinese PLC Controller
US$
80.00
-
600.00
1 Piece
(MOQ)
Schnei. Der Compact HMI 6.0.1 Expansion Gold Seller USB Programming Cable TM221c40r for Mitsubishi PLC Smart Controller
US$
300.00
-
600.00
1 Piece
(MOQ)
100% New Original Schneider M340 CPU Input Output Modules Bmxp342020 Bmxddo1602 Bmxddi1602 Contactors Circuit Breaker
US$
80.00
-
600.00
1 Piece
(MOQ)
Hot Sale Original ABB S. Chneider Sieme. Ns 10W Touch Panel Hmiet6500 Human Machine Interface Touch Screen Industrial Control PLC
US$
300.00
-
600.00
1 Piece
(MOQ)
1/4
Hunan Rika Electronic Tech Co., Ltd.
10 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Advanced Rika Rk500-04 Water Treatment Do Probe Controller Sensor
Negotiable
1 Piece
(MOQ)
Rika Rk500-04 Low Cost Water Treatment Do Probe Controller Dissolved Oxygen Sensor Fluorescence
US$
223.00
-
356.00
1 Piece
(MOQ)
Intelligent RS485 Do Dissolved Oxygen Probe for Aquaculture Monitoring
Negotiable
1 Piece
(MOQ)
Rika Rk150-01 CE Certified Tower Crane Safety Monitoring Wind Speed Indicator
US$
105.00
-
196.00
1 Piece
(MOQ)
1/4
Shanghai Boqu Instrument Co., Ltd.
19 yrs
·
Manufacturer/Factory
Send Inquiry
Optical Do Controller 0-20mg/L
Negotiable
1 Piece
(MOQ)
Portable Cond Meter Factory Supply Conductivity Controller
Negotiable
10 Pieces
(MOQ)
Dissolved Oxygen Controller for Power Plant /Fish Farm
US$
569.00
-
599.00
1 Piece
(MOQ)
Online Dissolved Oxygen Meter Factory Supply RS485 Controller
Negotiable
1 Set
(MOQ)
1/4
Jinhua SunMaster Solar Co., Ltd.
16 yrs
·
Manufacturer/Factory
Send Inquiry
IP65 Water Proof LED Retrofit Solar Street Light Charge Controller
US$
20.00
-
400.00
1 Piece
(MOQ)
Green Power Super-Brightness Solar Street Light Controller
US$
15.00
-
200.00
1 Piece
(MOQ)
Street Lamp Bulb Replacement 30W LED Light
US$
20.00
-
400.00
1 Piece
(MOQ)
Economic Solar 15W 40W 60W 80W 90W ABS Outdoor LED Street Lights
US$
10.00
-
14.00
100 Pieces
(MOQ)
1/4
Beijing Roadsafe Technology Co., Ltd.
4.5
Send Inquiry
Australian Construction PVC Traffic Sign Board Road Controller Corflute Fluoro
US$
5.00
-
8.00
100 Pieces
(MOQ)
Solar Warning Light Traffic Cone Lamp Amber Flashing Safety Lights
US$
3.00
-
4.00
50 Pieces
(MOQ)
Emergency Rotating Strobe High Intensity LED Super Brightness Traffic Flashing Solar Warning Beacon Light
US$
3.00
-
4.00
50 Pieces
(MOQ)
Rechargeable Signal Baton LED Warning Flashing Traffic Baton Torch
US$
0.80
-
2.00
100 Pieces
(MOQ)
1/4
Qingdao Tlead International Co., Ltd.
22 yrs
·
4.7
·
Trading Company
Send Inquiry
Intelligent Network Oxygen Transmitter Controller (DO-8600/1)
US$
500.00
-
510.00
1 Piece
(MOQ)
Water Tester Laboratory Optical Do Sensor Do-102
US$
400.00
1 Piece
(MOQ)
Aquarium pH Meter Aquarium Controller Online pH and Temperature Monitor
US$
1.00
1 Piece
(MOQ)
1/4
Infitek Co., Ltd.
Send Inquiry
Infitek Do-Ol680 Industrial Online Dissolved Oxygen Controller
US$
580.00
1 Piece
(MOQ)
Infitek Rotary Evaporator Lab-Scale Rotavapor
US$
4,761.00
1 Piece
(MOQ)
1/3
Danko Scale Co., Ltd.
Send Inquiry
Do 05 Digital Weighing Indicator Indicador Batching Scale Indicator Weighing Controller
US$
158.00
1 Piece
(MOQ)
1/4
Shenzhen Guanhong Automation Co., Ltd.
Send Inquiry
Good Price 8.4 Inch Color Screen Five Axis CNC Lathe Controller with 32bits CPU, Program and Interface, Support Macro Variable Dialog Box
US$
100.00
-
548.00
1 sets
(MOQ)
China Manufacturer 6-8 Axis Mini Small Size Kit CNC Motion Controller for Robot Control
US$
666.00
-
985.00
1 sets
(MOQ)
High Grade Low Cost Motor Driver Kits 2.3KW 220V AC Servo Motor with Driver for CNC Machine
US$
268.00
-
359.00
1 Set
(MOQ)
11kw AC Servo Spindle Motor and Driver Package Price for Heavy Duty Horizontal Lathe AC Servo Spindle
US$
999.00
-
1,039.00
1 Set
(MOQ)
1/4
1
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