Kyoritsu Kew 3125A

The Kyoritsu Kew 3125A (similar to Kyoritsu KEW 3025A) is a high-voltage digital insulation tester capable of testing insulation resistance up to 5kV. The 3125A Insulation Tester is easy to use with a large, backlit digital display and the functionality to test both polarization index and dielectric absorption ratio.

The Kyoritsu 3125A enables a wide range of insulation tests down to 1 TΩ in 5 voltage ranges up to 5 kV (250 V, 500 V, 1000 V, 2500 V, and 5000 V). A display of the output voltage and the discharge voltage is displayed on the screen. A filter function is also provided to reduce noise interference and get stable measurements.

In addition, the kyoritsu 3125a digital high voltage insulation tester has the capability to perform polarization index (PI) and dielectric absorption ratio (DAR) testing. Both AC and DC voltage can be measured by the Kyoritsu insulation resistance meter, between 30 and 600V.

The kyoritsu megger 3125 megohmmeter features an active voltage warning for safety and an auto shut-off to conserve battery drain. The Kyoritsu Kew 3125A features a large digital display with a backlit bar graph and is supplied with a 3m line probe, 3m ground wire, 3m protective wire, hook wire, batteries, and a hard carrying case.

3125A Features

• Insulation Resistance up to 1TΩ.
• Short-Circuit Current up to 1.5mA.
• Wide Test Voltage from 250V to 5000V (250/500/1000/2500/5000V).
• Diagnosis function of polarization index (PI) and dielectric absorption ratio (DAR).
• Newly-designed alligator clip.
• Supplied in a hard carry case.
• Filter function reduces noise interference for obtaining stable measurement.
• Large display with bar graph indication and backlight.
• Live voltage warning.
• Safety standard IEC 61010-1 CAT IV 300V / CAT III 600V

Frequency Asked Questions

What is a high-voltage insulation tester?

The Kyoritsu kew 3125A consists of generators, power distribution cables, transformers, switches, and consumers. Consumers here are large electric motors for propulsion, air conditioning compressors, bow thrusters, etc. Insulation resistance is the key parameter that indicates the general condition of electrical equipment.

First, ensure that the IR values ​​are regularly checked between phases and between phases and earth. These IR values ​​are also recorded for future Reference. Also, high-voltage equipment is typically rated for an insulation life of 20 years or more. Therefore, proper operation within the rated power, temperature, and timely maintenance will ensure long equipment life.

Kyoritsu-KEW-3125A specifications:

• Rated Voltage/Accuracy :
• 250 V/0 to 100 MΩ
• 500 V/0 to 99.9 MΩ 80 to 1000 MΩ
• 1000 V/0 to 99.9 MΩ 80 to 999 MΩ 0.8 to 2. GΩ
• 5000 V/0 to 99.9 MΩ 80 to 999 MΩ 0.80 to 9.99 GΩ 8 to 99.9 GΩ 80 to 1000 GΩ
• 2500 V/0 to 99.9 MΩ 80 to 999 MΩ 0.8 to 9.99 GΩ 8 to 100 GΩ
• Short Circuit Current: 1.5 mA
• Voltage Measurement Measuring Range AC: 30 to 600 V (50/60 Hz), DC: ±30 to ±600 V
• Accuracy: ±2% rdg ±3 dgt
• Applicable Standards: IEC 61010-1, 61010-2-030 CAT IV 300V
• CAT III 600V Pollution degree 2, IEC 61010-031, IEC 61326-1, 2-2
• Power Source: DC12V : 8 x LR14/R14
• Weight: 3.7 lbs (1678.3 g)