ET-3125 Insulation Ressitance Meter
3125A is a 5-range high voltage insulation resistor.
Description
3125A is a 5-range high voltage insulation resistor.
1. Design conforms to international safety specifications:
IEC 61010-1 -2-030 (pollution Level 2 of CAT III 600V/CAT IV 300V)
IEC 61010-031 (Handheld Probe Requirement Standard)
2. Automatic discharge function: When testing the insulation resistance of capacitive load the charging charge will be released automatically after measurement. The discharge state can be confirmed in the voltage mode.
3. Backlight function is easy to work in dark light or at night.
4. Bar chart shows the measurement results.
5. Live line warning signs and buzzing warnings.
6. Automatic shutdown function: In order to avoid the waste of batteries caused by forgetting to shut down the instrument will shut down automatically when it is not operated 10 minutes after measurement.
7. Automatic measurement and PI measurement (polarization index measurement) DAR measurement (induced absorption ratio measurement).
Technique Parameters
1.Measurement range and accuracy (temperature/humidity: 23±5ºC45～75%RH) ：
| Rated voltage | 250V | 500V | 1000V | 2500V | 5000V |
| Measurement range | 0.1～100.0MΩ | 0.1～ 99.9MΩ | 0.1～99.9MΩ | 0.1～99.9MΩ | 0.1～99.9MΩ |
| 80～1000MΩ | 80～999MΩ | 80～999MΩ | 80～999MΩ | ||
| 0.80～2.00GΩ | 0.80～9.99GΩ | 0.80～9.99GΩ | |||
| 8．0～100.0GΩ | 8.0～99.9GΩ | ||||
| 80～20000GΩ | |||||
| Display range | 0.1~100.0 MΩ | 0.1~1000 MΩ | 0.1M~2.00 GΩ | 0.1M~100.0 GΩ | 0.1M~2000 GΩ |
| Open circuit votlage | DC250V | DC 500V | DC 1000V | DC 2500V | DC5000V |
| +10% ，-10% | + 20%，-10% | + 20%，-0% | +20%，-0% | +20%，-0% | |
| Fixed current measurement | 1MΩ load | 2.5MΩ load | 5MΩ load | ||
| 1mA~1.2mA | 1mA~1.2mA | 1mA~1.2mA | |||
| Short circuit current | 5mA±0.5mA | ||||
| Accuracy | ±5%±3dgt | ±5%±3dgt±20% | |||
2. Voltage Monitor (Insulation Resistance Range) ：30～600V( resolution 10V): ±10%rdg±20V
This mode is suitable for confirming the discharge state of charged charges in the tested object. When measuring the measured voltage value displayed in the monitor is used as a standard. Please note that the data displayed when AC voltage is applied externally is not the correct value.
3.DC voltage AC voltage
Range ±30 -- ±600V 30 -- 600V(50/60Hz)
Resolution 1V
Accuracy ±2%rdg±3dgt
| Display | LCD display |
| Insulation resistance range：Max 1200 | |
| VAC/DC range：Max 630 | |
| Bar chart： Max 36 | |
| DAR/PI ：Max 9.99 | |
| Time：Max 99.59 | |
| Low battery warning: | Battery Mark (4 grades) |
| Overrange display: | Display "OL" (insulation resistance range) |
| Display "Hi" sign (voltage range) | |
| Auto range | Move to a higher level: 1000 counts |
| Move to the lower level: 80 counts (insulation impedance range only) | |
| Automatic shutdown function: | Automatic shutdown 10 minutes after operation (this function does not work in test) |
| Use of environmental conditions: | 2000m |
| Accuracy ensures temperature and humidity range: | 23ºC±5ºC/humidity 85%（Non Condensing） |
| Operating temperature and humidity range: | 0ºC~40ºC /humidity 85% （Non Condensing） |
| Storage temperature and humidity range: | -20ºC~+60ºC /humidity 75% （Non Condensing） |
| Overload protection: insulation resistance range: | AC1200V/10s |
| Withstand voltage: | Voltage range: AC720V/10s。 |
| AC5160V(50/60Hz)/5s (circuit and outer case) | |
| Insulation impedance: | ≥1000MΩ/ DC 1000V (Circuit and outer case) |
| Size: | 177（L）×226（W）×100（D）mm |
| Weight : | MODLE3125A: 1.9kg（includes battery） |
| Power: | DC12V: Alkaline battery size C (LR14) × 8 pcs |
4. Current consumption: (power supply voltage: representative value at 12V
| Range | 250V | 500V | 1000V | 2500V | 5000V | VAC/DC |
| Output Short Circuit | 600mA | 110mA | ||||
| Rated current output | 650mA/0.25MΩ | 800mA/0.5MΩ | 1000mA/1MΩ | 1350mA/2.5 MΩ | 1350mA/5 MΩ | |
| When the output is open | 40mA | 40mA | 50mA | 80mA | 150mA | |
| Standby time | 25mA | |||||
| Backlight is on | add 40mA | |||||
| No. | Name | QTY |
| 1 | Host | 1 |
| 2 | Case | 1 |
| 3 | Inspection report | 1 |
| 4 | Instruction manual | 1 |
| 5 | Certificate | 1 |
| 6 | Warranty card | 1 |
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