ET-2533 Insulation Resistance Tester
Insulation resistance tester can be widely used for equipment maintenance in transformer substations power plants to measure the insulation resistance absorption ratio polarization index in high voltage electrical equipments such as transformer reactor capacitor circuit breakers etc.
Description
Insulation resistance tester can be widely used for equipment maintenance in transformer substations power plants to measure the insulation resistance absorption ratio polarization index in high voltage electrical equipments such as transformer reactor capacitor circuit breakers etc.
Product characteristics
1. Instrument has self-calibration function. Long press the "stop" key in standby interface follow the instructions from the information tips and calibration is finished. This function is used when test precision is not accurate enough. (Please strictly follow the instructions.)
2. The Insulation resistance tester uses 8-bit single-chip microcomputer control full Chinese operation interface. Absorption ratio polarization index measurement can be completed automatically. Withstand voltage test and quick test functions are available.
3. The output power is big. Short circuit current is greater than 5 mA namely loaded charging current is 5 mA.
4. New circuit design and digital filtering technology enables strong anti-interference ability suitable for complex high voltage field measurement.
5. Electromagnetic compatibility design great shock resistance ability safety molded case and easy to carry. Built-in large rechargeable lithium-ion battery pack of 2600 mAh capacity intelligent charging circuit and long battery life.
6. Fault protection function such as short-circuit overload discharge are available with sound and text messages to remind the user.
Technique Parameters
1. Main parameters of all types of insulation resistance testers
| Model | Short Circuit Current | Output Voltage | Main Functions |
| 2533 | 3mA | 250V | 1. The four voltage switch.
2. The four 2600 mAh lithium rechargeable batteries 3. Accurate battery testing intelligent battery management. 4. Fault protection against short-circuit overload low battery etc. with sound and text messages to remind the user. |
| 500V | |||
| 2553 | 5mA | 1000V | |
| 2500V | |||
| 5033 | 3mA | 500V | |
| 1000V | |||
| 5053 | 5mA | 2500V | |
| 5000V | |||
| 1153 | 5mA | 1000V | |
| 2500V | |||
| 5000V | |||
| 10000V |
2. 20%~90%RH。Rated working conditions: temperature: 0 ℃ to 40 ℃ relative humidity: 20% ~ 90% RH.
3. Storage conditions: - 10 ℃ to 50 ℃; Relative humidity: < 90% RH.
4. Power supply: DC16.8V 2600mAh; AC 140V~240V 50Hz。
5. Size：285mm×247mm×120mm weight：2200g
6. Basic voltage error：±5%(25℃).
7. The measuring range and basic error (25℃)
| 250V | 0.10MΩ～25GΩ | |
| Accuracy | ±5%rdg. ±5dgt. (0.1 MΩ～5 GΩ ) | |
| ±20%rdg. ±5dgt. ( 5 GΩ～25GΩ ) | ||
| 500V | 1MΩ～50GΩ | |
| Accuracy | ±5%rdg. ±5dgt. (1 MΩ～10GΩ ) | |
| ±20%rdg. ±5dgt. (10 GΩ～50GΩ ) | ||
| 1kV | 2MΩ～100GΩ | |
| Accuracy | ±5%rdg. ±5dgt. (2 MΩ～20GΩ ) | |
| ±20%rdg. ±5dgt. (20 GΩ～100GΩ) | ||
| 2.5kV | 5MΩ～500GΩ | |
| Accuracy | ±5%rdg. ±5dgt. (5 MΩ～50 GΩ) | |
| ±20%rdg. ±5dgt. (50 GΩ～250GΩ) | ||
| ±30%rdg. ±5dgt. (250 GΩ～500GΩ ) | ||
| 5 kV | 10MΩ～1000GΩ | |
| Accuracy | ±5%rdg. ±5dgt. (10 MΩ～100GΩ ) | |
| ±20%rdg. ±5dgt. (100 GΩ～500GΩ ) | ||
| ±30%rdg. ±5dgt. (500 GΩ～1000GΩ) | ||
| 10 kV | 20MΩ～2000GΩ | |
| Accuracy | ±5%rdg. ±5dgt. (20 MΩ～200GΩ ) | |
| ±20%rdg. ±5dgt. (200 GΩ～1000GΩ) | ||
| ±30%rdg. ±5dgt. (1000GΩ～2000GΩ) | ||
| 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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