Description
Overview
GAO Tek digital LCR loop tester also known as megohmmeter and high-voltage insulation resistance meter, is used for insulation resistance test. This instrument has the functions of large-screen LCD gray backlight display, data storage, data query, alarm, automatic discharge, charging, automatic shutdown, etc. At the same time, it also has the function of measuring DC voltage AC voltage absorption ratio and polarization index. The whole machine is beautiful, with wide range, high resolution, convenient operation, convenient carrying, accurate, reliable, stable performance, large output power and strong anti-interference ability.
Features
- Large output power and multiple output voltage levels (6 voltage levels)
- Dim screen
- 4-bit large LCD display, gray and white screen backlight
- Data storage: 500 groups, flashing “FULL” symbol indicates that the storage is full.
- Data lookup: data lookup function: “READ” symbol display.
- Overflow display: Overrange overflow function: “OL” symbol display
- Alarm prompts for value exceedance
- Low battery symbol
- Auto shutdown after 15 idle minutes
Technical Specifications
| Function | Insulation resistance test, voltage test, current test, capacitance test |
| Rated applied voltage. | 100 V, 250 V, 500 V, 1000 V, 2500 V, 5000 V precision rated voltage × (1 ±10%)
250 V, 500 V, 1000 V, 2500 V, 5000 V, 10 KV precision rated voltage × (1 ±10%) 500 V, 1000 V, 2500 V, 5000 V, 10 KV, 15 KV precision rated voltage × (1 ±10%) |
| Reference condition | 105.4 °F to 73 °F (23 ℃ to 5 ℃), below 75% RH |
| DC voltage range | 0.1 V to 1000 V Accuracy: ±1.5% rdg ±3 dgt Resolution: 0.1 V |
| AC voltage range | 0.1 V to 750 V Accuracy: ±1.5% rdg ±3 dgt Resolution: 0.1 V |
| DC current measurement | 0.01 nA to 6 mA Accuracy: ±5.0% rdg ±5 dgt Resolution: 0.01 nA |
| Capacitance measurement | 10 nF to 50 uF Accuracy: ±10% rdg ±5 dg (resolution: 10 nF) |
| Output short-circuits current. | Greater than 6 mA |
| Power supply | 12 V rechargeable battery |
| LCD display size | 4.25 in x 2.55 in (108 mm × 65 mm) |
| USB interface | USB interface, software monitoring, storage data can be uploaded to the computer, save and print. |
| Test line | High voltage bar red 9.84 ft (3 m), high voltage test line black 4.92 ft (1.5 m), green line 4.92 ft (1.5 m) |
| Standby | 30 mA Max (backlight off) |
| Turn on backlight | 42 mA Max |
| Measurement | 200 mA Max (backlight off) |
| Insulation resistance | Greater than 50 MΩ (between measuring line and shell) |
| Withstand voltage. | AC 3 kV or 50 Hz 1 minutes |
| Operating temperature and humidity | 14 °F to 122 °F (-10 ℃ to 50 ℃), less than 85% RH |
| Storage temperature and humidity | 5 °F to 131 °F (-15 ℃ to 55 ℃), less than 90% RH |
| Instrument size | 9.44 in x 7.40 in x 3.34 in (240 mm × 188 mm × 85 mm) |
| Instrument mass | 5.16 lb (2.34 kg) (including battery) |