4 To 20ma Total 1,779 manufacturers & suppliers found with 5,337 products
Audited Supplier
Manufacturer/Factory
Gear Flow Meter , Electromagnetic Flow Meter , Ultrasonic Flow Meter , Vortex Flow Meter , Turbine Flow Meter
OEM, ODM, Own Brand
ISO 9001, ANSI/ESD
-
US$ 42 / Piece2 Pieces (MOQ) -
US$ 75 / Piece2 Pieces (MOQ)
-
US$ 57 / Piece2 Pieces (MOQ)
Audited Supplier
Manufacturer/Factory
Potentiometer , Sensor , Pressure Transducer
OEM, ODM, Own Brand
ISO 9001
-
US$ 63 / Piece50 Pieces (MOQ)
-
US$ 40 / Piece1 Piece (MOQ)
-
US$ 40 / Piece50 Pieces (MOQ)
Eaa Electric Co., Ltd.
Since 2020 Suppliers with verified business licenses
4.0
1502
Plant Area
10
Number of Employees
Manufacturer/Factory
, Trading Company
Transducer , Valve Positioner
ODM, OEM
Wenzhou, Zhejiang
-
US$ 90 / Piece1 Piece (MOQ)
-
US$ 90 / Piece1 Piece (MOQ)
-
US$ 90 / Piece1 Piece (MOQ)
Suzhou Delfino Environmental Technology Co., Ltd.
Since 2021 Suppliers with verified business licenses
4.0
911
Plant Area
25
Number of Employees
Manufacturer/Factory
, Trading Company
PH Meter , PH Senser
ODM, OEM, Own Brand
ISO9001:2015
-
US$ 69 / Piece1 Piece (MOQ)
-
US$ 69 / Piece1 Piece (MOQ)
-
Negotiable1 Piece (MOQ)
Holykell Technology Company Limited
Since 2019 Suppliers with verified business licenses
5.0
490
Plant Area
44
Number of Employees
Manufacturer/Factory
, Trading Company
Level Sensor , Flow Meter , Pressure Sensor , Wireless sensors , Temperature sensors
ODM, OEM, Own Brand
Response Time≤3h
-
US$ 39 / Piece1 Piece (MOQ)
-
US$ 299 / Piece1 Piece (MOQ)
-
US$ 225 / Piece5 Pieces (MOQ)
Nanjing UP Electronic Technology Co., Ltd.
Since 2024 Suppliers with verified business licenses
5.0
1000
Plant Area
37
Number of Employees
Manufacturer/Factory
, Trading Company
Current Transformer; Hall Current Sensor
ODM, OEM, Own Brand
ISO9001:2015
-
US$ 17.37 / Piece1 Piece (MOQ)
-
US$ 5.56 / Piece1 Piece (MOQ)
-
US$ 0.556 / Piece1 Piece (MOQ)
Manufacturer/Factory
Isolation Amplifier , Two-Wire Isolation Amplifier , 4-20mA Isolation Amplifier , PT100 Thermal Resistance Isolation Amplifier , Thermocouple Temperature Isolation Amplifier
OEM, Own Brand
Response Time≤3h
-
US$ 9 / Piece2 Pieces (MOQ)
-
US$ 9 / Piece2 Pieces (MOQ)
-
US$ 33 / Piece2 Pieces (MOQ)
Chongqing Hongxing Instrument Co., Ltd.
Since 2022 Suppliers with verified business licenses
4.0
Manufacturer/Factory
Differential Pressure Transmitter , Orifice Flowmeter , Gas Flow Mete , Pressure Transmitter , Flow Mete
OEM
ISO 9001
-
US$ 300 / Piece1 Piece (MOQ)
-
US$ 150 / Piece1 Piece (MOQ)
-
US$ 500 / Piece1 Piece (MOQ)
Manufacturer/Factory
Pressure Transmitter , Level Transmitter , Temperature Transmitter , Flow Switch , Pressure Sensor
OEM, ODM
ISO 9001, ISO 9000, ISO 14001
-
US$ 55 / Piece1 Piece (MOQ)
-
US$ 28 / Piece1 Piece (MOQ)
-
US$ 28 / Piece1 Piece (MOQ)
Hunan Mac Sensor Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
507
Plant Area
19
Number of Employees
Manufacturer/Factory
, Trading Company
Pressure Sensors; Level Sensors; Flow Meters; Weather Station Sensors; Agricultural Sensors
ODM, OEM
ISO9001:2015
-
US$ 13 / Piece1 Piece (MOQ)
-
US$ 50 / Piece1 Piece (MOQ)
-
US$ 65 / Piece1 Piece (MOQ)
Changsha Taihe Electronic Equipment Co., Ltd.
Since 2017 Suppliers with verified business licenses
4.0
1233
Plant Area
49
Number of Employees
Manufacturer/Factory
Pressure Transmitter , Pressure Sensor , Pressure Transducer , Temperature Transmitter , Temperature Sensor
Own Brand, ODM, OEM
Response Time≤3h
-
US$ 20 / Piece1 Piece (MOQ)
-
Negotiable1 Piece (MOQ)
-
US$ 53 / Piece1 Piece (MOQ)
Yantai Auto Instrument Making Co., Ltd.
Since 2020 Suppliers with verified business licenses
4.0
2000+
Plant Area
43
Number of Employees
Manufacturer/Factory
, Trading Company
Pressure Transmitter , Flow Meter , Level Transmitter
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2016
-
US$ 185 / Piece1 Piece (MOQ)
-
US$ 20 / Piece1 Piece (MOQ)
-
US$ 20 / Piece1 Piece (MOQ)
Nanjing Hangjia Electronic Technology Co., Ltd.
Since 2019 Suppliers with verified business licenses
5.0
1356
Plant Area
26
Number of Employees
Manufacturer/Factory
, Trading Company
Pressure transmitter; Temperature transmitter; Flow meter; Pressure switch; Flow switch; Level Sensor
ODM, OEM, Own Brand
Response Time≤3h
-
US$ 16.5 / Piece10 Pieces (MOQ)
-
US$ 250 / Piece1 Piece (MOQ)
-
US$ 35 / Piece2 Pieces (MOQ)
Acrel E-Business (Shanghai) Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
1000
Plant Area
40
Number of Employees
Trading Company
Energy Meter , Current Transformer , Hall Effect Current Sensor , Current Transducer , Voltage Sensor
OEM, ODM, Own Brand
Others
-
US$ 30.8 / Piece1 Piece (MOQ)
-
US$ 84 / Piece1 Piece (MOQ)
-
US$ 37.1 / Piece2 Pieces (MOQ)
Shenzhen Sunyuan Technology Co., Ltd.
Since 2012 Suppliers with verified business licenses
4.0
1300
Plant Area
27
Number of Employees
Manufacturer/Factory
, Trading Company
Signal Isolator , Data Acquisition , Dc-dc Converter , Digital Meter
Own Brand, ODM, OEM
ISO9001:2015
-
Negotiable1 Piece (MOQ)
-
US$ 20.5 / Piece1 Piece (MOQ)
-
US$ 8.8 / Piece2 Pieces (MOQ)
TZONE DIGITAL TECHNOLOGY CO., LTD.
Since 2012 Suppliers with verified business licenses
5.0
1145
Plant Area
65
Number of Employees
Manufacturer/Factory
, Trading Company
USB Temperature Data Loggers , Temperature and Humidity Transmitter , Bluetooth Temperature Data Loggers , Real Time Temperature Data Loggers , WiFi Temperature Sensor
ODM, OEM
within 15 workdays
-
US$ 16 / Piece5 Pieces (MOQ)
-
US$ 13 / Piece1 Piece (MOQ)
-
US$ 21 / Piece5 Pieces (MOQ)
Manufacturer/Factory
, Trading Company
Pressure Transmitter , Level Transmitter , Pressure Gauge , Pressure Sensor , Current Transducer
OEM, ODM, Own Brand
Response Time≤3h
-
US$ 23 / Piece1 Piece (MOQ)
-
US$ 18 / Piece1 Piece (MOQ)
-
Negotiable1 Piece (MOQ)
Meokon Sensor Technology (Shanghai) Co., Ltd.
Since 2016 Suppliers with verified business licenses
5.0
2000+
Plant Area
96
Number of Employees
Manufacturer/Factory
Digital Pressure Gauge , Digital Pressure Controller , Digital Pressure Switch , Digital Electric Contact Pressure Gauge , Temperature and Humidity Table
Own Brand, ODM, OEM
ISO9001:2015
-
US$ 21.99 / Piece1 Piece (MOQ)
-
US$ 13 / Piece100 Pieces (MOQ)
-
US$ 28.99 / Piece1 Piece (MOQ)
Bluefin Sensor Technologies Limited
Since 2017 Suppliers with verified business licenses
5.0
100
Plant Area
7
Number of Employees
Manufacturer/Factory
, Trading Company
Fuel level sensor for diesel tank , Mechanical spiral tank gauge for fuel tank , Level sensor for drinking water and water dispenser
ODM, OEM
ISO 9001, IATF16949, FSC
-
US$ 7 / Piece100 Pieces (MOQ)
-
US$ 10 / Piece100 Pieces (MOQ)
-
US$ 15 / Piece100 Pieces (MOQ)
Manufacturer/Factory
, Trading Company
Pressure Sensor , Pressure Transmitter , Level Sensor , Level Transmitter , Temperature Sensor
OEM, ODM, Own Brand
ISO 9001
-
US$ 470 / Piece1 Piece (MOQ)
-
US$ 85 / Piece1 Piece (MOQ)
-
US$ 780 / Piece1 Piece (MOQ)
Shanghai Boqu Instrument Co., Ltd.
Since 2014 Suppliers with verified business licenses
4.0
1368
Plant Area
80
Number of Employees
Manufacturer/Factory
, Trading Company
Water Quality Analyzers , Water Quality Sensors.
Own Brand, ODM, OEM
ISO9001:2015
-
US$ 85 / Piece1 Piece (MOQ)
-
US$ 85 / Piece1 Piece (MOQ)
-
US$ 85 / Piece1 Piece (MOQ)
Sichuan Focus Science and Technology Co., Ltd.
Since 2020 Suppliers with verified business licenses
5.0
134
Plant Area
19
Number of Employees
Trading Company
Flowmeter , Level Sensor , Level Switch , Level Transmitter , Servo Motor
ODM, OEM
within 15 workdays
-
US$ 130 / Piece2 Pieces (MOQ)
-
US$ 38 / Piece2 Pieces (MOQ)
-
US$ 45 / Piece2 Pieces (MOQ)
Shenzhen Hongjilong Technology Co., Ltd.
Since 2023 Suppliers with verified business licenses
5.0
1630
Plant Area
43
Number of Employees
Manufacturer/Factory
Electronic Components; Transistor; Diode; Triode; Integrated Circuit; PCBA; Mosfet; Resstor; Capacitor
ODM, OEM
ISO 9001
-
US$ 0.1 / Piece10 Pieces (MOQ)
-
US$ 0.005 / Piece10 Pieces (MOQ)
-
US$ 0.005 / Piece10 Pieces (MOQ)
HANWEI ELECTRONICS GROUP CORPORATION
Since 2018 Suppliers with verified business licenses
5.0
2000+
Plant Area
657
Number of Employees
Manufacturer/Factory
, Trading Company
Portable Gas Detector , Combustible Gas Alarm , Breath Alcohol Tester , Fixed Gas Detector , Gas Detection System
Own Brand, ODM
ISO9001:2015, ISO14001:2015
-
US$ 170 / Piece10 Pieces (MOQ)
-
US$ 85 / Piece6 Pieces (MOQ)
-
US$ 85 / Piece6 Pieces (MOQ)
Manufacturer/Factory
LED Module , Injection Module , LED Exposure String Lights , LED Strip Light , Resin Word Light Source
OEM, ODM, Own Brand
Response Time≤3h
-
US$ 1.8 / Meter500 Meters (MOQ)
-
US$ 0.421 / Piece5000 Pieces (MOQ)
-
US$ 0.06 / Piece1000 Pieces (MOQ)
Wenzhou Tychen Fluid Equipment Co., Ltd.
Since 2018 Suppliers with verified business licenses
4.0
500
Plant Area
Manufacturer/Factory
, Trading Company
Pneumatic Actuator , Electric Actuator , Pneumatic Angle Seat Valve , Limit Switch Box , Valve Positioner
OEM
ISO 9001
-
US$ 95 / Piece1 Piece (MOQ)
-
US$ 95 / Piece1 Piece (MOQ)
-
US$ 95 / Piece1 Piece (MOQ)
Flygoo Eco-Technologies (Guangzhou) Co., Ltd.
Since 2022 Suppliers with verified business licenses
4.0
1030
Plant Area
14
Number of Employees
Manufacturer/Factory
, Trading Company
Ozone Generator; Ozone Generator for Water; Ozone Generator for Air; Large Ozone Generator; Ozone Analyzer
Own Brand, ODM, OEM
ISO9001:2015
-
US$ 660 / Piece2 Pieces (MOQ)
-
US$ 1800 / Piece1 Piece (MOQ)
-
US$ 2200 / Piece1 Piece (MOQ)
Snda Industry Co., Limited
Since 2019 Suppliers with verified business licenses
4.0
1000
Plant Area
Manufacturer/Factory
, Trading Company
Eaa Electric Valve Positioner , I/P Transducer , E/P Transducer , I/P Converter , E/P Converter
OEM, ODM, Own Brand
within 15 workdays
-
US$ 135 / Piece1 Piece (MOQ)
-
US$ 135 / Piece1 Piece (MOQ)
-
US$ 155 / Piece1 Piece (MOQ)
Nanjing Gaobang environmental protection energy saving equipment Co., LTD
Since 2021 Suppliers with verified business licenses
5.0
755
Plant Area
25
Number of Employees
Trading Company
PSA Oxygen Plant , Air Separation Plant , Oxygen Booster , Fin Tube , Heat Exchanger
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
-
US$ 600 / Piece1 Piece (MOQ)
-
US$ 600 / Piece1 Piece (MOQ)
-
US$ 600 / Piece1 Piece (MOQ)
Tianjin Renfu Valve Technology Co., Ltd.
Since 2022 Suppliers with verified business licenses
4.0
Manufacturer/Factory
, Trading Company
Wafer Butterfly Valve , Check Valve , Gate Valve , Strainer , Joint
ISO 9001, ISO 9000
Tianjin, Tianjin
-
US$ 79 / Piece1 Piece (MOQ)
-
US$ 12 / Piece1 Piece (MOQ)
-
US$ 57 / Piece1 Piece (MOQ)
Audited Supplier
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