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Precision Digital Megger Tester for Transformer Insulation Inspection
Precision Digital Megger Tester for Transformer Insulation Inspection
Specifications
MOQ :
1 unit
Measurement :
200mA Max (backlight off)
Delivery Time :
8-10 days
Model Number :
XHMR-5000A
Certification :
ISO,CE
Place of Origin :
Xi'an, Shaanxi, China
Insulation Resistance :
≥50MΩ (between the measurement circuit and the casing)
Payment Terms :
T/T
Supply Ability :
2000units/year
Price :
Negotiable
Battery Voltage :
Low battery voltage is indicated by the symbol
Alarm Function :
Issues an alarm alert when the measured value exceeds or falls below the preset threshold
Packaging Details :
wooden packaging
Auto Power-off :
The instrument automatically powers off after 15 minutes of inactivity
Data Recall :
Data recall function
Brand Name :
XZH TEST
Description
1. Introduction

The insulation resistance tester—also known as a megohmmeter, high-voltage insulation resistance tester, etc.—is used for measuring insulation resistance.

2. Voltage Ranges and Accuracy
Measurement Function Measurement Range Accuracy Resolution
DC Voltage DC 0.0V – 1000V ±1.5% rdg ±3 dgt 0.1V
AC Voltage AC 0.0V – 750V ±1.5% rdg ±3 dgt 0.1V

Precision Digital Megger Tester for Transformer Insulation Inspection

3. Technical Specifications
Functions Insulation Resistance Test, Voltage Test, DC Current Test, Capacitance Test
Reference Conditions 23°C ±5°C, <75% RH
Rated Voltage 100V, 250V, 500V, 1000V, 2500V, 5000V
Insulation Resistance Range 0.01 MΩ – 10 TΩ | Resolution: 0.01 MΩ
Rated Voltage 250V, 500V, 1000V, 2500V, 5000V, 10 kV
Insulation Resistance Range 0.01 MΩ – 35 TΩ | Resolution: 0.01 MΩ
Rated Voltage 500V, 1000V, 2500V, 5000V, 10 kV, 15 kV
Insulation Resistance Range 0.01 MΩ – 50 TΩ | Resolution: 0.01 MΩ
Measurement Voltage (V) Rated Voltage × (1 ±10%)
DC Voltage Range 0 – 1000V | Resolution: 0.1V
AC Voltage Range 0 – 750V | Resolution: 0.1V
DC Current 0.1 nA – 6 mA | Resolution: 0.1 nA
Capacitance 10 nF – 50 µF | Resolution: 10 nF
Output Short-Circuit Current ≥6 mA @ 15 kV
Absorption Ratio (DAR) and Polarization Index (PI) Measurement Supported
Power Supply 12.6V Rechargeable Lithium Battery
Backlight Supported Controllable gray-white screen backlight, suitable for use in dimly lit environments.
Display Mode 4-digit extra-large LCD display with gray-white screen backlight.
4. Measurement Principle

Insulation resistance measurement utilizes a voltage generator to generate a voltage (V), which is applied across the resistor under test. By measuring the current (I) flowing through the resistor, the resistance value (R) is calculated using the formula R = V/I.

Precision Digital Megger Tester for Transformer Insulation Inspection

Safety Precautions:
  • In all circumstances, special attention must be paid to safety when using this instrument.
  • This instrument has been designed, manufactured, and tested in accordance with the IEC 61010 safety specifications.
  • During measurements, do not use high-frequency signal generators—such as mobile phones—in the vicinity of the instrument, as this may introduce measurement errors.
  • Pay close attention to the text and symbols displayed on the labels affixed to the instrument's casing.
  • Before use, verify that the instrument and its accessories are in good condition; specifically, ensure that the insulation on the instrument and test leads is intact, with no exposed conductors or broken wires, before proceeding with measurements.
  • During the measurement process, strictly avoid touching exposed conductors or the circuit currently being tested.
  • Ensure that the connection plugs of the test leads are firmly inserted into the corresponding ports on the instrument.
  • Do not perform measurements in flammable environments, as sparks generated during operation could trigger an explosion.
  • If the instrument's casing or test leads become damaged—exposing internal metal components—while the unit is in use, immediately cease operation.
  • Do not leave or store the instrument for extended periods in environments characterized by high temperatures, high humidity, condensation, or direct sunlight.
  • When replacing the instrument's batteries, ensure that the test leads have been disconnected from the unit and that the instrument is powered off.
  • If the instrument displays the "Low Battery Voltage" symbol, recharge the unit immediately; failure to do so may result in measurement inaccuracies.
  • Strictly avoid performing charging or data transmission operations while a measurement is in progress.

    Precision Digital Megger Tester for Transformer Insulation Inspection

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Precision Digital Megger Tester for Transformer Insulation Inspection

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Product Detail
MOQ :
1 unit
Measurement :
200mA Max (backlight off)
Delivery Time :
8-10 days
Model Number :
XHMR-5000A
Certification :
ISO,CE
Place of Origin :
Xi'an, Shaanxi, China
Contact Supplier
Precision Digital Megger Tester for Transformer Insulation Inspection

Xi'an Xu&Hui Electromechanical Technology Co., Ltd.

Verified Supplier
2 Years
Since 2013
Business Type :
Manufacturer
Main Products :
TDR Cable Fault Locator, Cable Fault Locator, Cable Fault Pinpointer
Total Annual :
1000000-5000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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