Water-Cooled Generator Insulation Resistance Tester

Product Introduction

MEYZ-W608 Water-Cooled Generator Insulation Resistance Tester is specifically designed for conducting insulation tests in laboratories or on-site. It incorporates a high-precision microcurrent measurement system and a digital voltage-boosting system. Measurement is performed by connecting the test specimen with just one high-voltage lead and one signal lead. The measurement process is fully automated, with results displayed on a large LCD screen and stored for future reference.

Product Parameter (specification)

(1) Accuracy	±(5% + 5 digits)
(2) Measurement range	0.1MΩ to 200GΩ
(3) Display mode	Dual display of digital and analog progress bar.
(4) Temperature measurement	-25°C to 125°C
(5) Test voltage range	2.5KV
(6) Short-circuit current	≥25mA
(7) Measurement time	1 minute to 10 minutes (depends on measurement method)
(8) Charging power supply	180–270VAC, 50Hz/60Hz ±1% (mains or generator power)
(9) Operating environment	Temperature -10°C to 40°C, relative humidity 20% to 80%.

Product feature and application

1. Utilizes a 32-bit microcontroller with a fully English interface for user-friendly operation.

2. High output current (exceeds 25mA at 2500V), with short-circuit current ≥25mA.

3. High-voltage generation module employs fully enclosed technology with internal protective resistors for safety and reliability.

4. Strong anti-interference capability, suitable for ultra-high voltage substation field operations.

5. Automatic discharge after testing with real-time monitoring of the discharge process.

6. Suitable for measuring insulation resistance, absorption ratio (R60S/R15S), and polarization index (R10min/R1min) of water-cooled generators.

7. Test voltage: 2500V.

8. Automatically compensates for water polarization potential. Ensures measurement accuracy even with frame-to-water-collecting-pipe resistance as low as 10kΩ.

9. High output power. Supports load resistances as low as 100kΩ (2500V) between lines and water-collecting pipes, enabling insulation resistance measurements down to 1MΩ (2500V).

10. Insulation resistance values are indicated by an analog progress bar, enabling intuitive, real-time observation of capacitive test specimen processes. Logarithmic scale minimizes reading fluctuations for ease of interpretation.

11. Digital display utilizes a 3 1/2-digit LCD meter.

12. LCD timer displays test duration, cycling through minutes and seconds in a 0–32 minute loop. Beeps every 15 seconds.

13. Automatically measures and stores R15S, R60S, R10min, absorption ratio, and polarization index for verification and retrieval upon test completion.

14. Features automatic compensation and adjustment for water polarization potential.

Prodection details

Company Qualifications

FAQ

1)What factors influence resistance or resistivity?

1. Ambient Temperature and Humidity
2. Test Voltage (Electric Field Strength)
3. Test Duration
4. Equipment Leakage
5. External Interference

2)What are the functions of each part of the Water-Cooled Generator Insulation Resistance Tester?

● LCD Keypad: Responsible for keyboard and display functions.
● Digital Voltage Regulator: Utilizes PWM circuitry to efficiently generate standard 0-5V output.
● DC-DC 0-2.5kV: Employs a step-up transformer for high-efficiency conversion, delivering 0-2.5kV DC high voltage. Features short-circuit protection.
● Voltage Divider Circuit: Converts 0-2.5kV high voltage to 0-5V for ADC acquisition.
● Measurement Circuit: Handles data acquisition, current conversion, etc.
● Controller: Integrates all modules to complete measurements.

3)When will the Water-Cooled Generator Insulation Resistance Tester ship?

Hello, we will ship your order as soon as possible after receiving it. The exact date may vary depending on the specific order, and delivery times may also differ. Feel free to contact us for more information.

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