China Insulation Monitor Factory, Exporters

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China Insulation Monitor Factory, Exporters

Product application
Overview:
Applicable to wide DC high voltage range: 0-800VDC
Can realize multi-channel detection (optional)
Used in 12v and 24v low voltage power supply systems
Can measure the insulation resistance of high voltage positive pole to ground and high voltage negative pole to ground respectively

Main application:
Insulation tester products suitable for various types of electric vehicles and hydrogen fuel cell markets.

Features:
Adopt advanced microprocessor technology and intelligent design
Adopt low frequency signal injection method, mature and reliable technology
Can monitor the insulation resistance value of the system online in real time
With self-diagnosis and automatic calibration functions
Can automatically adapt to the leakage capacitance of the system
Can provide PWM\CAN\ALARM three output interfaces
Small size, easy to install

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Product Description

Technical Parameters

Ambient operating temperature: -40℃ ~ +100℃

Permitted medium: Antifreeze

Rated voltage: 12V, 24V

Noise: ≤45dB

Service life: ≥20,000 hours

Waterproof grade: IP67

Voltage range: DC9V ~ DC16V

Protection: Power reverse connection, Dry operation, Stall, Overvoltage protection

Electrical & Environmental Characteristics

Auxiliary power supply: 9~18V / 18~36V / 9~36V
High voltage DC: 0-800 VDC
Input power: ≤2.5 W

Working temperature: -40℃ ~ +85℃
Storage temperature: -40℃ ~ +85℃
Protection level: IP55 (dustproof, splashproof)

Measurement Characteristics

Insulation resistance range: 0kΩ ~ 50MΩ

Relative measurement error: ±15% (100kΩ ~ 10MΩ)

Measurement response time: ≤5~6s

*Conditions: analog resistance = 100kΩ, Y capacitor = 1uF, stable bus voltage

Product Dimensions

Product Selection

Available in three series based on auxiliary power supply requirements:

Product Model	Rated Auxiliary Voltage	High Voltage DC Range
HS-020-212XXX	12V DC	0-800V DC
HS-020-222XXX	24V DC	0-800V DC
HS-020-232XXX	9~36V DC	0-800V DC

Installation Guidelines

Power off the insulation monitor during pure electric vehicle charging.
Connect the high-voltage busbar to the rear end of the main contactor.
Follow wiring harness pin definitions strictly to avoid instrument damage.
Ensure installation in areas with good air flow to improve reliability.
Fix wiring harnesses to reduce vibration and prevent breakage.
Directly connect harnesses to installation positions without intermediate joints.
Handle the device with care during the installation process.

Manufacturing Excellence

Dedicated to the development and export of new energy vehicle parts, our expertise spans electronic accelerator pedals, electronic water pumps (low and high voltage), electric heaters, insulation monitors, and gear controllers. With over 30 national patent certificates, our independent production plant serves as a hub for innovation, specializing in the research and manufacturing of advanced vehicle electronics. We provide custom-made solutions to precisely fit various vehicle models, serving markets across Asia, Europe, the Americas, and Africa.

Frequently Asked Questions

Q: What is the service life of this insulation monitor? A: The product is designed for a long service life of ≥20,000 hours.

Q: What are the waterproof and protection ratings? A: The device features a high waterproof grade of IP67, with overall protection levels rated at IP55 for dust and splash resistance.

Q: Can this monitor handle high-voltage DC systems? A: Yes, it is designed to monitor high-voltage DC systems ranging from 0V to 800V DC.

Q: What built-in safety protections are included? A: It includes power reverse connection protection, dry operation protection, stall protection, and overvoltage protection.

Q: How fast is the measurement response time? A: The measurement response time is ≤5~6 seconds under standard stable conditions.

Q: Is it compatible with both 12V and 24V systems? A: Yes, there are specific models available for 12V DC, 24V DC, and a wide-range 9~36V DC auxiliary power supply.