Product Introduction
The insulation resistance tester (also known as a megohmmeter or high-voltage insulation resistance tester) is suitable for laboratory and field insulation testing. The instrument is equipped with a large backlit LCD screen, supports data storage and retrieval, automatically calculates the absorption ratio (DAR) and polarization index (PI), and automatically records test data for 15s/30s/1min/10min. It features high resolution, easy operation, strong anti-interference capabilities, and a shockproof, dustproof, and moisture-proof structure.
The product adopts integrated circuits and a high-precision measurement system, with simple wiring, automatic testing, and result storage. Rated output voltage is 250～5000V, insulation resistance measurement range is 0.01MΩ～5.00TΩ, and it can simultaneously measure 0～1000V DC voltage and 0～750V AC voltage. It is widely used in power, telecommunications, computer rooms, oil fields, electromechanical fields, and other fields, and is suitable for insulation testing of insulating materials, transformers, motors, cables, and other equipment.
Product Parameter (specification)
1. Insulation resistance measurement range and accuracy
|
Output voltage |
Measurement range |
accuracy |
|
250V (15%) DC |
0.01MΩ ~ 2.50GΩ |
±3%rdg±5dgt |
|
2.50G Ω~ 250G Ω |
±15%rdg±5dgt |
|
|
500V (10%) DC |
0.01MΩ ~ 5.00GΩ |
±3%rdg±5dgt |
|
5.00G Ω~ 500G Ω |
±15%rdg±5dgt |
|
|
1000V (10%) DC |
0.01MΩ ~ 10.00GΩ |
±3%rdg±5dgt |
|
10.00G Ω~1.00 T Ω |
±15%rdg±5dgt |
|
|
2500V (10%) DC |
0.01M Ω ~25.0G Ω |
±3%rdg±5dgt |
|
25.0G Ω~2.50 T Ω |
±15%rdg±5dgt |
|
|
5000V (10%) DC |
0.01M Ω ~50.0G Ω |
±3%rdg±5dgt |
|
50.0G Ω~5.00 T Ω |
±15%rdg±5dgt |
2. AC/DC voltage range and accuracy
|
Measuring voltage |
Measurement range |
accuracy |
|
AC voltage |
0.01V~750V |
±2%rdg±3dgt |
|
DC voltage |
0.01V~1000V |
±2%rdg±3dgt |
3. General Specifications
|
Function |
Insulation resistance; polarization index; absorption ratio; auto-discharge; AC/DC voltage testing |
|
Power supply |
DC 14.8V 2200mAh rechargeable lithium battery, fully charged to approximately 16.8V. |
|
Backlight |
Controllable white screen backlight, suitable for use in dimly lit environments. |
|
Short circuit current |
≥5 mA |
|
Wiring method |
L terminal: "L" is called the high-voltage output terminal, also known as the line terminal, and is led to the line being tested. |
|
G terminal: "G" is called the shield terminal, used in the three-electrode method for measuring the volume resistivity of insulating materials or cables. It is connected to the electrode guard ring terminal. |
|
|
E terminal: "E" is called the ground terminal and is connected to the ground or neutral terminal of the object being tested. Examples include the metal casing of a motor, the iron core of a transformer, and the shielding layer of a cable. |
|
|
V terminal: AC/DC voltage measurement terminal |
|
|
Resolution |
Insulation resistance: 0.01MΩ |
|
AC voltage: 0.01V |
|
|
DC voltage: 0.01V |
|
|
Measurement time |
1 minute to 30 minutes (depending on the measurement method) |
|
Test voltage |
Setting range: 250V; 500V; 1000V; 2500V; 5000V |
|
Shifting gears |
Fully automatic gear shifting |
|
LCD |
4-digit LCD display with white screen backlight |
|
LCD size |
128mm×75mm |
|
LCD display area |
124mm×67mm |
|
Measurement indication |
LED flashing indicator during measurement, progress bar chart indicator |
|
Charging indicator |
The indicator light on the charger is red when charging and green when fully charged. |
|
Size |
Instrument dimensions: 258mm (L) × 215mm (W) × 83mm (H) |
|
Standard test line |
One red high-voltage test probe; one green and one black test wire; |
|
Battery voltage |
When the battery voltage is low, a low battery symbol will be displayed to remind you to charge the battery. |
|
Communication interface |
It has a USB interface, allowing you to upload stored data to a computer, save it, and print it. |
|
Communication line |
One USB communication cable, 1.5m long. |
|
Operating current |
Standby: 25mA Max (backlight off); Backlight: 25mA Max (backlight only); During measurement: 450mA Max (backlight off) |
|
Quality |
Instrument: 2.19kg (including battery) |
|
Total weight: 3.50kg (including packaging) |
|
|
Toolbox |
Military-grade toolbox design, capable of supporting up to 200kg. |
|
Operating temperature and humidity |
-10℃～40℃; below 80% RH |
|
Storage temperature and humidity |
-20℃～60℃; below 70% RH |
|
Pressure resistance |
AC 3700V/rms (between circuit and casing) |
|
Insulation resistance |
20MΩ or higher (500V between circuit and casing) |
|
Electromagnetic properties |
IEC61326(EMC) |
Product features and applications
Wide range of high voltage measurements
Supports five high-voltage output levels: 250V/500V/1000V/2500V/5000V, with a measurement range of 0.01MΩ to 5.00TΩ.
Intelligent parameter calculation
Automatically measure and calculate the absorbance ratio (DAR) and polarization index (PI) , and automatically store data for 15s/30s/1min/10min.
Accurate and stable measurement
It adopts high-precision integrated circuits and micro-current measurement system, with fully automatic gear switching and strong anti-interference ability.
Easy and safe to operate
Large backlit LCD display, one-button start testing, automatic discharge, with high voltage warning and discharge protection.
Improved data management
It supports the storage, retrieval, and deletion of 1000 sets of data, and can be uploaded to a computer for saving and printing via USB.
Portable and durable design
Shockproof, dustproof, and moisture-proof structure; lithium battery powered; military-grade toolbox; suitable for field and laboratory use.
Prodection details
Power equipment testing
It is suitable for testing the insulation performance of power equipment such as transformers, generators, cables, and high-voltage switchgear.
Electrical installation and maintenance
Used for insulation acceptance and daily inspection of computer rooms, buildings, and industrial power distribution systems.
Industrial equipment maintenance
Insulation safety testing of motors, frequency converters, control cabinets, and production power equipment.
Telecommunications and data center equipment
Insulation status testing of communication base stations, data centers, power supply equipment, and cable systems.
Oilfield and mining sites
On-site insulation testing of oilfield equipment, mining machinery, and outdoor electrical equipment.
Laboratory and Quality Inspection
High-precision performance testing of insulation materials by scientific research institutions and quality inspection units.
Company Qualifications
FAQ
Q: Are you a factory or a trading company?
A: We are a professional manufacturer of testing equipment.
Q: How is the after-sales service?
A: The warranty period is 12 months. After the warranty period, we also provide lifetime service paidrepair or service.
Q: How is the after-sales service?
A: The warranty period is 12 months. After the warranty period, we also provide lifetime service paidrepair or service.
Q: What about transportation?
A: It depends on your requirements. We can ship to your airport by air, to your seaport by sea, or to your office by courier.
We also accept cooperation with your shipping agent.
Q: Are your keyboard, interface, software, and manuals in English?
A: Yes, if you are using the English version of the keyboard, interface, software, and manual and require other languages, please contact us for confirmation.
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