MC-2678C Water-Internal-Cooled Generator Insulation Resistance Tester

MC-2678C Water-Internal-Cooled Generator Insulation Resistance Tester

Model: MC-2678C Quantity: 1 set Manufacturer: Hubei MECI Electric Power Equipment Co., Ltd

Category: Capacitors and Generators

Keywords: MC-2678C Water-Internal-Cooled Generator Insulation Resistance Tester

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Product Overview

Product Features

  • It features microcomputer control, menu-driven operation, a large-screen LCD dot-matrix display, and low-voltage shielding measurement, ensuring stable performance and making it an intelligent instrument.
  • Automatically measures R15, R60, and R600, and automatically calculates the absorption ratio and polarization index.
  • The test voltage is a negative high voltage of 5000 V/2500 V, with strong load-carrying capability. When the resistance between the windings and the water-impedance plate drops to as low as 100 kΩ, the test voltage sags by less than 10%.
  • Measurement range: 0 to 20 GΩ, with automatic range switching.
  • It can automatically compensate for and eliminate the influence of water’s polarization potential on test results. Even when the resistance between the drainage pipe and the instrument base drops to as low as 3 kΩ, measurement accuracy is still guaranteed.
  • The combination of an analog bar pointer and digital display vividly illustrates data trends and provides accurate measurement results.
  • The test time is displayed at all times, and the buzzer sounds automatically every 15 seconds as a prompt.
  • Upon completion of the measurement, the high voltage is automatically discharged within no more than 5 seconds.
  • Automatically measures ambient temperature, air humidity, and the date and time of each test.
  • It can store 60 sets of measurement results, and the data will remain intact for 20 years.
  • It features a built-in RS232 interface for data communication with a computer and a built-in printer for printing measurement results, eliminating the need for manual meter reading.
  • It features comprehensive and robust protection functions and boasts high operational reliability.

 

Technical Specifications

Rated Test Voltage

Negative high voltage: 5000V

Output test voltage

±10%

High-voltage load-carrying capability

With a 100 kΩ load, the voltage drop is less than 10%.

Measurement range

0 ~ 10 GΩ (2.5 kV), 0 ~ 20 GΩ (5 kV)

Accuracy Class

Magnitude 10.0

Basic error in the 0–10 GΩ range

±( 10%·Rx + 2d )

Basic error in the 10–20 GΩ range

±( 20%·Rx + 4d )

High-voltage display error

±( 5%·Ux + 1d )

Temperature measurement error

±0.5℃

Air humidity measurement error

±4%RH

Power supply

50 Hz, 220 V ±10%

Power consumption

< 250W

Insulation resistance

> 50 MΩ (500 V) (between test lead and chassis)

Withstand voltage

AC 3 kV, 50 Hz, 1 min (between test lead and enclosure)

Operating Temperature and Humidity

0°C ~ +40°C < 85% RH

Storage Temperature and Humidity

- 20℃ ~ +50℃ < 90%RH

External dimensions

400 (L) × 350 (W) × 230 (H) (mm)

Weight

≈ 9.8 kg

MC-2678C Water-Internal-Cooled Generator Insulation Resistance Tester

MC-2678C Water-Internal-Cooled Generator Insulation Resistance Tester

Model: MC-2678C Quantity: 1 set Manufacturer: Hubei MECI Electric Power Equipment Co., Ltd

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Tel： 86-13307164232

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