HABOTEST HT5203 Insulation Resistor Tester 1. Measuring range: 10000M 2. Test voltage: 50V-1000V 3. Repeat error: -+0.5% 4. Ambient temperature: 0-60 degrees Celsius 5. Connect the test leads to the circuit or power supply to be tested and read the measurement results from the display 6. When the measured resistance is less than 5000, the buzzer will sound 7. High-definition LCD display with clear characters, suitable for low-visibility nighttime environments 8. During the test process, multiple sets of data can be saved for easy reference. 9. Equipped with complete protection and anti-drop sleeve, which fits closely with the groove to prevent damage 10. The test leads can be inserted smoothly and firmly into the corresponding terminals, and there are maximum limit indications 11. Multiple ranges can be set to facilitate selection as needed 12. Battery: 8x1.5V AA (not included in this product) 13. Designed with a removable PVC silicone protective cover, which is shock-proof and drop-proof, strong and wear-resistant, and protects internal components. 14. It can widely measure leakage switch tripping current, tripping time, loop resistance and online measurement of voltage, frequency, etc. It is an ideal tool for electrical inspection and maintenance.