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0102030405
Huazheng HZ-5100-I Portable Handheld Loop Resistance Tester
I. Performance characteristics
1.Comprehensive Protection Functions: The instrument is equipped with various protection features, including back EMF impact protection, line interruption detection during testing, power failure protection, and overheating safeguards for the power supply. These functions reliably protect the instrument from the effects of back EMF and trigger an alarm when necessary.
2.Intelligent Power Management: The instrument utilizes intelligent power management technology, operating at the minimum power state, effectively saving energy and reducing heat generation.
3.Multi-language Support: The instrument can easily switch between Chinese and English. It also offers high output voltage and a wide measurement range.
4.High-Precision Constant-Current Power Supply: The test current is supplied by a high-precision, high-current constant-current power supply, ensuring fast and accurate testing without the need for manual adjustments.
5.Four-Terminal Wiring: The instrument adopts a four-terminal wiring method, effectively eliminating the impact of test lead resistance on the measurement results.
6.High-Resolution Touch Display: The 7-inch high-brightness color LCD screen ensures clear visibility even under strong lighting conditions. The full touch-screen interface offers easy and intuitive operation.
7.External Printer Support: The instrument can be connected to an external printer for convenient printing of measurement data, supporting paperless office operations. (Optional)
8.Power-Down Storage and Perpetual Calendar Clock: The instrument includes a perpetual calendar clock and power-down storage, allowing it to store up to 1,000 test data sets, which can be retrieved at any time for reference.
II.Technical indicators
Test current: 50A, 100A
Measuring scope:0～5mΩ（50A） 0～2mΩ（100A）
Resolution: Min. 0.1µΩ
Accuracy: ± (0.5% ± 2 characters)
Power:1000W
Working mode: continuous measurement
Operating power supply: battery powered
Operating temperature :0 ~ 40℃
Relative humidity: less than or equal to 90% without condensation
Test line length: red standard 5 meters, black standard 3 meters, the length can be customized
Dimensions: 425*335*210 (mm)
Weight: 8 kg
III.safety measures
1.Operator Requirements: The operator should have a basic understanding of general electrical equipment and instruments.
2.Post-Test Procedure: After completing the test, press the reset button to turn off the power switch. Note: It is strictly prohibited to disassemble or connect any test cables while the power is on.
3.Instrument Reset: If the instrument malfunctions, press the reset button to reset the instrument.
4.Instrument Maintenance: Maintenance must be performed by qualified professionals. Do not attempt to repair or service the instrument independently.
5.Measurement Restrictions: This instrument is designed for measuring loop resistance and should not be used to measure inductive loops.
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