Overview
Enviro Test Construct ohm megger meter has the functions of gray and white backlight LCD large screen display, data storage, data query, alarm, automatic shutdown and so on. 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 and high-grade, with wide measuring range, high resolution, convenient operation, easy to carry, accurate, reliable, stable performance and strong anti-interference ability. And with shockproof, dustproof and moisture proof structure, it is a commonly used and indispensable instrument in the industrial enterprise departments of telecommunications, electric power, meteorology, computer room, oil field, electromechanical installation and maintenance, and industrial enterprises that use electric power as industrial power or energy. It is suitable for measuring the resistance value of various insulating materials and the insulation resistance of transformers, motors, cables and electrical equipment.
Technical specification
| Function | Insulation resistance test, voltage test |
| Baseline conditions | 73.4 °F ± 41 °F (23 ℃ ±5 ℃), Below 75% RH |
| Power supply | DC 9 V 6 LR14 dry batteries for more than 100 hrs of continuous standby |
| Rated voltage | ±10% |
| output short circuit current | ≥2 mA |
| Absorption ratio measurement | Have |
| Polarization index measurement | Have |
| measurement method | DC voltage drop method |
| Test voltage | DC voltage measurement |
| capacitive load | Operable below 1 uF |
| Shift gear | fully automatic shift |
| Back light | Controllable off-white backlight, suitable for use in dim places |
| Display mode | 4-digit super large LCD display, off-white backlight |
| Measurement indication | LED blinks during measurement |
| LCD size | 4.2 in x 2.5 in (108 mm × 65 mm) |
| Test line | High voltage rod: Red 1 meter Test line: Black 1 meter Green 1 meter |
| Measure time | Voltage 2 times / second, insulation resistance 7 seconds / time |
| Line voltage | Measurement below AC 600 V |
| Data storage | 500 groups, “MEM” storage indication, displaying “FULL” symbol means the storage is full |
| Data review | “MR” symbol indication when viewing data |
| Overflow display | “OL” symbol indication when over-range overflow |
| Alarm function | When the measured value exceeds the alarm setting value, an alarm prompt will be issued |
| Battery voltage | Low battery voltage symbol display, reminding to replace the battery in time when the battery voltage is low |
| Automatic shut-down | “APO” indication, automatic shutdown after 15 minutes of power on |
| Power consumption | Standby: about 40 mA (backlight off), power on backlight: about 43 mA, measurement: about 75 mA (backlight off) |
| Working temperature and humidity | 14 °F to 104 °F (- 10 ℃ to 40 ℃); below 80% RH |
| Storage temperature and humidity | – 4 °F to 140 °F (- 20 ℃ to 60 ℃); below 70% RH |
| Insulation resistance | More than 200 MΩ (500 V between the circuit and the shell) |
| Pressure resistance | AC 5160 V/rms (between circuit and case) |
| Electromagnetic properties | IEC 61326(EMC) |
| Suitable for safety regulations | IEC 61010-1 (CAT Ⅲ 300 V, CAT IV 150 V, pollution 2); |
| Meter size | 9.4 in x 7.4 in x 3.3 in (240 mm × 188 mm × 85 mm) |
| Weight | 2.7 lb (1.23 Kg) (including battery) |
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