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INTRODUCTION
The MEWOI-HZ100A handheld circuit tester (hereinafter referred to as the instrument) is powered by a high capacity and high magnification lithium battery, with a compact design and handheld operation, making it easy to carry. A specialized testing equipment mainly used for measuring the contact resistance, loop resistance, and other micro ohmic resistance of switches, circuit breakers, transformers, and other equipment. The instrument display is shown in the following figure: |
MAIN FEATURES
1. Adopting a 7-inch full color high-definition touch screen; 2. Large output current, wide testing range, multiple current options, maximum support for 100A current output; 3. The maximum testing time for full gear can reach 60 seconds, meeting national standards and on-site use; 4. Wide range (up to 0-50m Ω at 30A), high resolution of 0.1u Ω, with an accuracy of 0.5% within 2m Ω; 5. Equipped with complete protection functions such as open circuit protection and overheat protection; 6. It has the function of storing test data, which can save 1000 pieces of test data; 7. High capacity lithium battery power supply, capable of using ≥ 600 tests per charge (1 second test duration); 8. It has power management function, effectively reducing internal heating of the instrument and improving its service life. 9. It has Bluetooth function and can be configured with a Bluetooth printer (optional). |
TECHNICAL SPECIFICATION
Output current: | 30A, 50A, 80A, 100A optional |
Range | 100A: 0~2mΩ 80A: 0~8mΩ 50A,0~20mΩ 30A,0~50mΩ |
Test time: | 1s, 5s, 10s, 30s, 60s optional |
Resolution: Accuracy: 0.5% ± 1u Ω | 0.1u Ω 0.5% ± 1u Ω |
Maximum power: | 120W |
Charging voltage: | DC12.6V |
Test frequency: | greater than 600 times (fully charged, test time 1 second) |
Test line: | Resistance ≈ 10m Ω |
SELECTION GUIDE
Model No. | Output Current | Range | Accuracy/Resolution | Measuring time | Testing Times | Test wires | Weight |
MEWOI-LX3291S | 100A、80A、50A、30A | 100A 0~5mΩ 80A 0~8mΩ 50A 0~10mΩ 30A 0~20mΩ | ±(Reading×0.5% +1µΩ) ,0.1µΩ | Quick、10~60 seconds optional | More than 600 times(full charge, fast measurement mode) | <10Ω | 1.7KG |
MEWOI-LX3290S | 200A、150A、100A、80A、50A、30A | 200A 0~1mΩ 150A 0~2mΩ 100A 0~5mΩ 80A 0~8mΩ 50A 0~10mΩ 30A 0~20mΩ | ±(Reading×0.5% +1µΩ) ,0.1µΩ | Quick、10~60 seconds optional | More than 500 times(full charge, fast measurement mode),9AH Lithium battery | <8Ω | 1.7KG |
MEWOI-ZCL100E | 100A、50A | 100A: 0 ~ 2mΩ; 50A: 0 ~4mΩ; | ±0.5%(Reading×+5digits ),0.1µΩ | 1S, 3S, 10S, 20S, 30S, 60S; | More than 600 times(full charge, fast measurement mode) | <10Ω | 1.94KG |
MEWOI-ZUHL100A | 100A,50A 20A | 0~19999mΩ expandable | 0.5%rdg±10dgt,0.01mΩ | 9.9KG,Current customized 1, two-phase 2, three-phase | |||
MEWOI-ZUHL200A | 20A 50A 100A 150A 200A | 0~19999mΩ expandable | 0.5%rdg±10dgt,0.01mΩ | 12.9KG,Current customized 1, two-phase 2, three-phase | |||
MEWOI-ZSL100A | 50A 、100A | 0~100mΩ(50A) 0~50mΩ(100A) | ±(0.5%±2dgt),0.1µΩ | AC220V±10% 50HZ,continuous measurement | 15.6kg including box | ||
MEWOI-ZSL200A | 50A, 100A, 150A, 200A | 50A: 0~100mΩ 100A: 0~50mΩ 150A: 0~25mΩ 200A:0~20mΩ | ±(0.5%±2dgt),0.1µΩ | AC220V±10% 50HZ,continuous measurement | 15.6kg including box | ||
MEWOI-LX200A | 200A, 150A, 100A, 50A | 200A 0 - 1000uΩ 150A 0 - 1400uΩ 100A 0 - 2000uΩ 50A 0 - 10 mΩ | ± (reading x 0.5%+ 1 uΩ), 0.1 uΩ | fast, 10 ~ 60 seconds optional | Built-in lithium battery or external charger, charger input 100 - 240VAC, 50Hz/60Hz | 1.6KG | |
MEWOI-SHL100A | 50A, 100A | 0~100m Ω (50A) 0~50m Ω (100A) | ± (0.5% ± 2 words) ,0.1 μ Ω | AC220V ± 10% 50HZ | 9.5KG including box | ||
MEWOI-HZ100A | 30A, 50A, 80A, 100A | 100A: 0~2mΩ 80A: 0~8mΩ 50A,0~20mΩ 30A,0~50mΩ | 0.1u Ω 0.5% ± 1u Ω | 1s, 5s, 10s, 30s, 60s optional | more than 600 times (fully charged, test time 1 second) | <10Ω | 2.6KG |
MEWOI-HZ200A | 30A,50A,80A,100A,160A,200A | 200A: 0~2mΩ 160A 0~4mΩ 100A 0~10mΩ 80A 0~15mΩ 50A ~20mΩ 30A 0~50mΩ | 0.1u Ω 0.5% ± 1u Ω | 1s, 5s, 10s, 30s, 60s optional | more than 600 times (fully charged, test time 1 second) | <10Ω | 2.6KG |