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2 Relays and 4-20mA Signal Output Sensor pH Conductivity TDS Ec Meter Controller

2 Relays and 4-20mA Signal Output Sensor pH Conductivity TDS Ec Meter Controller

US $ 98-160 / Piece FOB
1 Piece (MOQ)
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Main Products: Diaphragm Pump, Dosing Pump, pH Meter, Conductivity Meter, Flow Meter, Level Meter, Pressure Transmitter, Liquid Mixer, Chemical Pump, Dosing System
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Shanghai GL Environmental Technology Co., Ltd.

Shanghai, China Since 2019
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Fast Dispatchro Water Purification System Online Conductivity Meter CCT3320 with Signal Output Relay

Fast Dispatchro Water Purification System Online Conductivity Meter CCT3320 with Signal Output Relay

US $ 55 / Piece FOB
1 Piece (MOQ)
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Portable : Portable
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Ewater Water Treatment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
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Great Price LCD Display 2-Way Relay Output Ampere Meter, 2-Way Switch Input LCD Ampere Meter//

Great Price LCD Display 2-Way Relay Output Ampere Meter, 2-Way Switch Input LCD Ampere Meter//

US $ 60-75 / Piece FOB
1 Piece (MOQ)
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Main Products: Multi-Functional Power Meter, Power Quality Mitigation Solution, Motor Controller & Protection, Power Monitoring System, Data Center Power Monitoring System
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Jiangsu Sfere Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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Boqu Dog-2082X Gold Supplier 3 Relays O2 Price Do Measurement Meter

Boqu Dog-2082X Gold Supplier 3 Relays O2 Price Do Measurement Meter

US $ 85-550 / Piece FOB
1 Piece (MOQ)
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Appliance : Food Analysis, Medical Research, Biochemistry
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Shanghai Boqu Instrument Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2014
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MCB Tomzn 63A Ewelink Single Phase WiFi Smart Home Energy Meter Relay

MCB Tomzn 63A Ewelink Single Phase WiFi Smart Home Energy Meter Relay

US $ 9.55 / Piece FOB
5 Pieces (MOQ)
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Main Products: Circuit Breaker, Fuse, Automatic Transfer Switching, Voltage Meter, Photovoltaic combiner box, Surge protective devices
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Zhejiang Tongzheng Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2025
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Djsf1352-Rn DC Energy Meter Relay Alarm Output and Digital Input Function

Djsf1352-Rn DC Energy Meter Relay Alarm Output and Digital Input Function

US $ 98.5-157.3 / Piece FOB
1 Piece (MOQ)
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Jiangsu Acrel Microgrid Institute Co., Ltd

Jiangsu, China Since 2020
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AT100G-YF Multi Smart Din Rail Power Meter Prepaid with Relay Output

AT100G-YF Multi Smart Din Rail Power Meter Prepaid with Relay Output

US $ 20-40 / Piece FOB
100 Pieces (MOQ)
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Main Products: Power Meter, Prepaid Meter, Din Rail Energy Meter, Multifunction Power Meter
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Hangzhou Antin Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2022
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WiFi Connected Wireless Communication Way DIN Rail Meters Single Phase Electric Meter in Built Relay Remote Control Multi-Tariff Function Four Rates

WiFi Connected Wireless Communication Way DIN Rail Meters Single Phase Electric Meter in Built Relay Remote Control Multi-Tariff Function Four Rates

US $ 24 / Piece FOB
50 Pieces (MOQ)
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Measured Signal : Pulse Peak
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Zhejiang Xinghao Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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Dual Relay Outputs Instrument pH Meter for Swimming Pool and Water Treatment pH Management with CE

Dual Relay Outputs Instrument pH Meter for Swimming Pool and Water Treatment pH Management with CE

US $ 100.8-125.4 / Piece FOB
50 Pieces (MOQ)
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Main Products: CO2 Controller, Par Meter
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Kunshan Ast Optoelectronics Co., Ltd

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
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Relay Output 4-20mA Fixed Hydrogen Cyanide Gas Meter (HCN)

Relay Output 4-20mA Fixed Hydrogen Cyanide Gas Meter (HCN)

US $ 689.66-988.66 / Piece FOB
5 Pieces (MOQ)
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Portable : Non Portable
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Shenzhen Korno Import & Export Co., Ltd.

Guangdong, China Since 2017
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4-20mA RS485 2 Relay Output LCD Display Radar Level Meter

4-20mA RS485 2 Relay Output LCD Display Radar Level Meter

US $ 145-150 / Piece FOB
1 Piece (MOQ)
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Main Products: Gas Detector; Temperature Tester
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Shenzhen Yifan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
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Pointer Type Sf6 Density Meter Relay Ss Density Relay Meter

Pointer Type Sf6 Density Meter Relay Ss Density Relay Meter

US $ 15-35 / Piece FOB
1 Piece (MOQ)
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Display : Pointer
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Ankang Mano Instrument Co., Ltd.

Shaanxi, China Since 2025
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Online pH Meter Relay Output LCD Display, Directly Sent by Sewage Treatment Manufacturer

Online pH Meter Relay Output LCD Display, Directly Sent by Sewage Treatment Manufacturer

US $ 68-86 / Set FOB
1 Set (MOQ)
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Main Products: Online Water Quality Analyzer, Pressure Transmitters, Level Transmitter, Flow Meter, Temperature Transmitter, Density Meter, Gas Detector, Switch Sensor, Manometer
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Wuxi Chaoda Electronic Technology Co., Ltd.

Jiangsu, China Since 2023
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Factory Wholesale DIN-Rail Modul Electronic Energy Meter

Factory Wholesale DIN-Rail Modul Electronic Energy Meter

1,000 Pieces (MOQ)
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Customized : Customized
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Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China Since 2021
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ZN48 Counting Relay can be used as Totaliser, Tachometer, Frequency meter, etc.

ZN48 Counting Relay can be used as Totaliser, Tachometer, Frequency meter, etc.

US $ 12.6-21 / Piece FOB
50 Pieces (MOQ)
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Main Products: Sensor, Proximity Switch, Photoelectric Switch, Relay, Time Controller, Temperature Controller, Automatic Transfer Switch, Time Relay, Counter, Solid State Relay
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Xinling Electrical Co., Ltd. China

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2012
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Dac4120c DIN Rail Single Phase AC WiFi with Relay Power Meter

Dac4120c DIN Rail Single Phase AC WiFi with Relay Power Meter

US $ 20-40 / Piece FOB
100 Pieces (MOQ)
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Type : Power Meter
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Zhejiang Xinghao Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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CCT3320 Conductivity Meter TDS with Relay and 4-20mA Signal Output

CCT3320 Conductivity Meter TDS with Relay and 4-20mA Signal Output

US $ 55 / Piece FOB
1 Piece (MOQ)
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Main Products: RO System, FRP Tank, Water Filter Housing, Water Treatment Machinery, Membrane Housing, Dosing System, Softener System, Mix Tank, Dosing Pump, RO Membrane
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Ewater Water Treatment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
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PMC-550D Power Energy Meter LV Motor Protection Relay RS-485 PROFIBUS

PMC-550D Power Energy Meter LV Motor Protection Relay RS-485 PROFIBUS

US $ 624-960 / Piece FOB
1 Piece (MOQ)
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Customized : Non-Customized
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CET Electric Technology Inc.

Guangdong, China Since 2021
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China Factory Wholesale Single Phase Two Wire Energy Meter

China Factory Wholesale Single Phase Two Wire Energy Meter

1,000 Pieces (MOQ)
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Main Products: Circuit Breaker, MCB, RCCB RCD, RCBO, MCCB, Solar Inverter, Pure Sine Wave Inverter, Portable Power Station
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Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China Since 2021
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RS485 Online Conductivity Meter Ec Meter Water with Relays

RS485 Online Conductivity Meter Ec Meter Water with Relays

1 Piece (MOQ)
More
Display : Digital
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Suzhou Delfino Environmental Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2021
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Related Videos
  • What is 2 Relays and 4-20mA Signal Output Sensor pH Conductivity TDS Ec Meter Controller
    What is 2 Relays and 4-20mA Signal Output Sensor pH Conductivity TDS Ec Meter Controller
    US $ 98-160 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Fast Dispatchro Water Purification System Online Conductivity Meter CCT3320 with Signal Output Relay
    What is Fast Dispatchro Water Purification System Online Conductivity Meter CCT3320 with Signal Output Relay
    US $ 55 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Great Price LCD Display 2-Way Relay Output Ampere Meter, 2-Way Switch Input LCD Ampere Meter//
    What is Great Price LCD Display 2-Way Relay Output Ampere Meter, 2-Way Switch Input LCD Ampere Meter//
    US $ 60-75 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Djsf1352-Rn DC Energy Meter Relay Alarm Output and Digital Input Function
    What is Djsf1352-Rn DC Energy Meter Relay Alarm Output and Digital Input Function
    US $ 98.5-157.3 /Piece
    1 Piece (MOQ)
    Contact Supplier
Aosl88 Ultrasonic Sludge Level Meter with Three Groups of Relay Outputs

Aosl88 Ultrasonic Sludge Level Meter with Three Groups of Relay Outputs

US $ 475-620 / Piece FOB
1 Piece (MOQ)
More
Main Products: ATV Acoustic Tomographic Section Flowmeter, ATD Jet Difference Cross Section Flow Meter, ADV Ultrasonic Doppler Flow Rate Flow Meter, AOADV Ultrasonic Doppler Telemetry Flow Rate Flow Meter, AOSL33 (B
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Fujian Autec Factory Automation Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Fujian, China Since 2025
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ZN72 Counting Relay can be used as Totaliser, Tachometer, Frequency meter, etc.

ZN72 Counting Relay can be used as Totaliser, Tachometer, Frequency meter, etc.

US $ 13.29-22.14 / Piece FOB
60 Pieces (MOQ)
More
Function : Addition Counter
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Xinling Electrical Co., Ltd. China

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2012
Chat Now Send Inquiry
Dac7320c DIN Rail WiFi with Relay Electric Energy Meter

Dac7320c DIN Rail WiFi with Relay Electric Energy Meter

US $ 35-50 / Piece FOB
500 Pieces (MOQ)
More
Main Products: Power Meter
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Zhejiang Xinghao Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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About Wholesale Relay Meter FAQ

  • QWhat are the common types of relays used in Electrical & Electronics applications?

    The Wholesale Relay Meter is a key item within our extensive Relay selection.Common types of relays used in Electrical & Electronics applications include electromechanical relays, solid-state relays, and thermal relays. With different functions and designs, selecting the right type is crucial for optimal performance.

  • QCan relays be used in harsh environmental conditions?

    The Wholesale Relay Meter is a top choice in our Relay collection.Our relays ensure high reliability even in harsh conditions, thanks to features like the fully hermetically sealed Omron MY4H, suitable for hazardous locations. They are engineered for longevity and superior performance with silver tin indium alloy contacts, providing a well-balanced load handling.

  • QHow can I find trustworthy supplier in China for relays in Electrical & Electronics industry?

    Upgrade your Relay with the elegant and durable Wholesale Relay Meter.To find a trustworthy supplier in China for relays, conduct thorough research by checking company background, certifications, and customer reviews. Strengthen relationships with suppliers by visiting trade fairs/authentication and seeking long-term partnerships to fulfill your requirements.

Relay Alarm Output Optional Pz72L-De/V ± 12V Power Ouput Electric DC Power Energy Watt Monitor Meters Home for Charging Piles and Solar PV Monitor

Relay Alarm Output Optional Pz72L-De/V ± 12V Power Ouput Electric DC Power Energy Watt Monitor Meters Home for Charging Piles and Solar PV Monitor

US $ 82.6-114.1 / Piece FOB
1 Piece (MOQ)
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Theory : Static Meter
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ACREL CO., LTD.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2019
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Factory Price 63A Tuya APP DIN Rail WiFi Smart Meter Adjustable Voltage Protector Relay

Factory Price 63A Tuya APP DIN Rail WiFi Smart Meter Adjustable Voltage Protector Relay

100 Pieces (MOQ)
More
Main Products: Circuit Breaker, MCB, RCCB RCD, RCBO, MCCB, Solar Inverter, Pure Sine Wave Inverter, Portable Power Station
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Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China Since 2021
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Online Conductivity/TDS/Resistivity/Salinity Meter CCT3320 with Signal Output Relay for RO System

Online Conductivity/TDS/Resistivity/Salinity Meter CCT3320 with Signal Output Relay for RO System

US $ 55 / Piece FOB
1 Piece (MOQ)
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Type : Conductivity Meter
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Ewater Water Treatment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
Bidirectional Measurement Function Tuya WiFi DIN Rail Energy Meter with Relay Remote Control Smart Electricity Meters

Bidirectional Measurement Function Tuya WiFi DIN Rail Energy Meter with Relay Remote Control Smart Electricity Meters

US $ 46 / Piece FOB
50 Pieces (MOQ)
More
Main Products: Power Meter
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Zhejiang Xinghao Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
Chat Now Send Inquiry
RO Water Purification System Online Conductivity Meter CCT3320 with Signal Output Relay

RO Water Purification System Online Conductivity Meter CCT3320 with Signal Output Relay

US $ 55 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO9001
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Ewater Water Treatment Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
Chat Now Send Inquiry
Bluetooth Wireless Conductivity Meter Alarm Relay Output pH Meter

Bluetooth Wireless Conductivity Meter Alarm Relay Output pH Meter

US $ 150-280 / Piece FOB
1 Piece (MOQ)
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Main Products: Paperless Recorder, Chart Recorder, Pressure Transmitter, Level Transmitter, Electromagnetic Flowmeter, Temperature Transmitter, Signal Generator, Pressure Sensor, Paper Recorder, Level Recorder
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Hangzhou Supmea International Trading Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2016
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Tuya WiFi Three Phase DIN Rail Meter with Relay Remote Control Function Energy Meter Electricity Meters

Tuya WiFi Three Phase DIN Rail Meter with Relay Remote Control Function Energy Meter Electricity Meters

US $ 45 / Piece FOB
50 Pieces (MOQ)
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Type : Power Meter
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Zhejiang Xinghao Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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DIN Rail Single Phase Two Wire Meter WiFi with Multi-Tariff Function in Built Relay

DIN Rail Single Phase Two Wire Meter WiFi with Multi-Tariff Function in Built Relay

US $ 24 / Piece FOB
50 Pieces (MOQ)
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Main Products: Power Meter
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Zhejiang Xinghao Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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High Quality Energy Meter 1 Phase 2 Wire Energy Meter

High Quality Energy Meter 1 Phase 2 Wire Energy Meter

1,000 Pieces (MOQ)
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Electric Equipment : Single-phase
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Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China Since 2021
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Fixed Gas Detector Factory Gas Safety Monitoring Hydrogen Cyanide (HCN) Gas Meter

Fixed Gas Detector Factory Gas Safety Monitoring Hydrogen Cyanide (HCN) Gas Meter

US $ 662.58-1,025 / Piece FOB
1 Piece (MOQ)
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Main Products: Gas Detector, Gas Analyzer, Dust Particle Counter, Gas Alarm, Gas Controller, Gas Monitor, Pm2.5 Detector, Multi Gas Detector, Multi Gas Analyzer, Gas Pretreat System
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Shenzhen Korno Import & Export Co., Ltd.

Guangdong, China Since 2017
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High Accuracy Water Level Meter Featuring Smart Hart Technology

High Accuracy Water Level Meter Featuring Smart Hart Technology

US $ 160-216 / Piece FOB
1 Piece (MOQ)
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Structure : All in One
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Huaibei Huadian Automation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2020
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Nh3 Content Tester Ammonia Air Quality Monitor Gas Analyzer Device Ammonia Meter

Nh3 Content Tester Ammonia Air Quality Monitor Gas Analyzer Device Ammonia Meter

US $ 1,000-2,000 / Piece FOB
1 Piece (MOQ)
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Main Products: Tensile Testing Machine; IZOD Charpy Impact Tester; Melt Flow Index Tester; Temperature Humidity Test Chamber; Contact Angle Tester
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CHANGSHA LANGSHUO TECHNOLOGY CO LTD

Trading Company

Hunan, China Since 2023
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DIN Rail Meter Single Phase Electric Meter with Multi-Tariff Function Built in Relay

DIN Rail Meter Single Phase Electric Meter with Multi-Tariff Function Built in Relay

US $ 18.5 / Piece FOB
50 Pieces (MOQ)
More
Certification : RoHS, ISO, CE
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Zhejiang Xinghao Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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