Fuel Cell Coolant Conductivity Sensor 0.01-20uS/cm Accuracy 1.5% CAN Bus IP67 Protection

Fuel Cell Dedicated Conductivity Sensor for Coolant Monitoring Measuring Range 0.01~20uS/cm Accuracy +/-1.5%FS CAN Communication IP67 Protection

Quick Detail:

• Conductivity sensor developed specifically for the coolant circuit of proton exchange membrane fuel cells (PEMFC)
• Core function: real-time monitoring of coolant conductivity; outputs an alarm signal when the measured value exceeds the set value
• Measuring principle: dual-electrode resistance measurement method, based on the electrolytic conduction principle
• Measuring range: 0.01~20uS/cm; Resolution: 0.01uS/cm; Accuracy: +/-1.5%FS
• Working voltage: 12V/24V (9~32VDC); Working current: <50mA; Over-voltage protection: 36V
• Working temperature: -40~95C; Working pressure: <0.6MPa
• Communication: CAN; Protection class: IP67
• Has an intelligent self-diagnosis function
• Fluid-contact parts are corrosion-resistant

Description:

A fuel cell engine has extremely high requirements for the conductivity of the coolant. During coolant circulation, impurities continuously increase, causing the conductivity to rise continuously and the system insulation performance to decline accordingly. To ensure system safety, the coolant conductivity needs to be monitored in real time.

This product uses dual-electrode conductivity measurement technology, based on the electrolytic conduction principle, achieving precise measurement of coolant conductivity through the resistance measurement method. The product has an intelligent self-diagnosis function and outputs an alarm signal when the measured value exceeds the set value. The fluid-contact parts use corrosion-resistant materials, ensuring long-term reliability in a coolant environment.

The product measuring range covers 0.01~20uS/cm, meeting the fuel cell system's need to monitor low coolant conductivity. It supports CAN communication, convenient for integration with the fuel cell system controller. The working temperature range is -40~95C, working pressure <0.6MPa, and protection class IP67, meeting the harsh vehicle environment requirements.

Specifications:

Electrical / Optical Characteristics (Ta=25C +/-3C). See product specification image.

Applications:

This product is widely used in the coolant circuit of various proton exchange membrane fuel cell (PEMFC) systems, specifically including:

• Hydrogen fuel commercial vehicles (heavy trucks, city buses, logistics vehicles)
• Hydrogen fuel passenger vehicles (sedans, SUVs)
• Stationary fuel cell power stations (backup power, distributed energy systems)
• Hydrogen fuel cell ships
• Super charging station liquid-cooling systems
• AI data center liquid-cooling systems
• Fuel cell system test benches

Typical application position: installed in the fuel cell coolant circuit to monitor the coolant conductivity in real time. Usually used together with a deionizer; when the conductivity exceeds the set value it triggers an alarm, prompting replacement of the deionizer or the coolant.

Other application scenarios: this product is also suitable for coolant conductivity monitoring of super charging station liquid-cooling systems and AI data center liquid-cooling systems.

Company Advantages:

Shanghai Yibaijia Hydrogen Energy Technology Co., Ltd., as a professional hydrogen energy parts supply platform, distributes conductivity sensors dedicated to fuel cells. This product uses the dual-electrode resistance measurement method, with a measuring range of 0.01~20uS/cm, accuracy +/-1.5%FS, supports CAN communication and has a protection class of IP67. The Shanghai Yibaijia team has more than 10 years of hydrogen energy industry experience and can provide full-process technical support from product selection and system matching to installation.

FAQ

Q1: Can you provide samples for testing?
A: Yes, we support sample orders for vehicle installation testing and performance verification, and also accept mixed-model sample orders.

Q2: What is the delivery lead time?
A: Sample orders usually take 5-7 working days; bulk orders (depending on order quantity) generally take 15-30 working days.

Q3: Is there a minimum order quantity (MOQ) limit?
A: 10-piece sample trial orders are supported, and bulk order prices are more favorable.

Q4: Why does a fuel cell system need a conductivity sensor?
A: During circulation impurities in the coolant continuously increase, causing the conductivity to rise continuously and the system insulation performance to decline accordingly. Excessive conductivity will form an ionic current through the coolant, causing electrochemical corrosion and battery efficiency loss, and even causing insulation failure. The role of the conductivity sensor is to monitor the coolant conductivity in real time and ensure system safety.

Q5: What is the measuring principle of the conductivity sensor?
A: It uses the dual-electrode resistance measurement method, based on the electrolytic conduction principle, converting the coolant resistance into conductivity through measurement.

Q6: What is the measuring range of the conductivity sensor?
A: Measuring range 0.01~20uS/cm, resolution 0.01uS/cm.

Q7: What functional features does the conductivity sensor have?
A: It has real-time monitoring, over-limit alarm and intelligent self-diagnosis functions. The fluid-contact parts use corrosion-resistant materials, ensuring long-term reliability.

Q8: Besides fuel cells, what other applications does the conductivity sensor have?
A: This product is also suitable for coolant conductivity monitoring of super charging station liquid-cooling systems and AI data center liquid-cooling systems.

Q9: How to handle product failures?
A: We implement a strict quality control system, with an out-of-factory defect rate below 0.2%. During the warranty period, small batches of defective products will be replaced with new ones in the next order; batch quality problems will be negotiated for repair or replacement to ensure customer rights.