Insulation Tester

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DIGITAL INSULATION TESTER DIT54

Introduction

Mextech DIT54 Digital Insulation Tester 

The Mextech DIT54 Digital Insulation Tester is a professional-grade instrument designed to measure insulation resistance with exceptional accuracy, safety, and stability. Whether you are an electrician, technician, or industrial engineer, this insulation tester ensures reliable performance for electrical installations, motors, transformers, panels, and critical equipment.

Built with a rugged body and advanced measurement circuitry, the DIT54 delivers consistent readings even in demanding field conditions, making it one of the most trusted insulation testers in India.

Product Description

The Mextech DIT54 Digital Insulation Tester is engineered for fast, precise, and safe evaluation of insulation across cables, electrical systems, and industrial machinery. It offers multiple test voltages, wide resistance range, and clear digital display, making it ideal for troubleshooting, preventive maintenance, and safety inspections.

With high-level protection against overload and shock hazards, the DIT54 ensures dependable performance for both residential and industrial use.

Suitable for insulation resistance testing of cable, motor, generator, transformer, mutual inductor, high voltage switch, arrester and other large equipment. Insulation resistance measurement (IR); polarization index measurement (PI); absorption ratio (DAR); 4 kinds of filter chose (10S、20S、30S、40S) Voltage measurement(V); capacity measurement （uF）; Leakage current measurement （nA）

Benefits of Using Mextech DIT54 Insulation Tester

  • Ensures maximum electrical safety by detecting insulation breakdown
  • Avoids costly equipment failure through preventive diagnostics
  • Ideal for electricians & industrial maintenance teams
  • Improves system reliability by identifying leakage paths
  • Reduces downtime with fast and accurate results
  • Portable and easy to carry for field engineers

FAQs

1. What is an insulation tester used for?

It measures the insulation resistance of electrical systems and equipment to ensure safety and detect faults.

2. Who should use the Mextech DIT54?

Electricians, electrical contractors, industrial technicians, maintenance teams, and safety inspectors.

3. Is the DIT54 suitable for industrial environments?

Yes, it is built with a rugged design, high-accuracy circuits, and protection features ideal for industrial use.

4. Does it offer overload protection?

Yes, the DIT54 includes overload and auto-discharge features for maximum safety.

5. Can homeowners use it?

While it is a professional tool, trained users can operate it safely for home electrical inspections.

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  • Features
  • Specification
  • Applications
  • Accessories
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  • Automatic discharge function, instantly release the high voltage of the measured object, and display the discharge
  • Quickly charge for capacitive load, especially suitable for cable insulation resistance
  • Button, band rotary knob and touch color screen combination, make the function test convenient and easily, query record operation
  • Various display content: insulation resistance value, output voltage, leakage current, test timing, test date and time (display hour, minute, second), battery
  • Double shell structure, firm and durable, protection grade IP65
  • Two power supply mode of rechargeable lithium battery pack and power

Automatically store 1000 groups of real-time test data with test date, time and timing. The recorded data can be uploaded to the computer by USB communication cable for data statistical analysis

BASIC FUNCTION RANGE
Rate Voltage 250v 500v 1000v 2500v 5000v
Range and

Accuracy

 ±5%-±20% 50GΩ 100GΩ 200 GΩ 500 GΩ 1 TΩ

 

 

 

 

 

 

 

 

Model DIT-54
 

Rated Voltage

 250v，500v，1000v，2500v，5000v, 10kv
Output Voltage Accuracy (5%～0%）±10V
Insulation Resistance

Range

  

0.5MΩ～5TΩ
Output Short Circuit Current ≥5mA Max
Power Supply Rechargeable lithium battery pack, charge AC 220V
Filter 10S、20S、30S、40S (4 choice)
Voltage Measurement Range: AC/DC 30V～1000V；Accuracy: ±（3%+3V）；Resolution: 1V
Current Measurement Range: 0.00nA～6.00mA；Accuracy: ±（5%+0.2nA）；Resolution: 1pA
Capacitance Measurement Range: 10nF～25uF；Accuracy: ±（10%+5nF）；Resolution: 1nF
Timing Range 0s～9999s
Storage Function Automatically store the real-time test data with test date, time and timing, total of 1000 groups
Upload Function Upload the stored data to computer with USB communication cable.
Battery Voltage Battery voltage symbol display, when battery voltage low will remind to replace the battery
Auto Shut Down After 15 minutes start up will shut down automatically without any operation
Meter Dimension 280mm×260mm×160mm
Meter Weight 4400g (include battery)
 

Test Wire

 Red color high voltage test wire 1 pcs (with alligator clip 1PCS and hook 1PCS), green color test wire 1PCS, black color

test wire 1PCS
Working Environment -10℃～50℃；80%rh
Insulation Resistance 50MΩ（1000v）（between the test circuit and shell）
Withstand Voltage AC 3Kv 50Hz 1min（between the test circuit and shell）
 

Accessories

 

 Host: 1PCS, high voltage test wire: 1PCS, Test wire (green): 1PCS; Test wire (black): 1PCS; Alligator clip: 1PCS; Hook 1PCS; USB communication cable 1PCS; Software CD: 1COPY; Tool bag: 1PCS

The Mextech DIT54 is widely used in:

  • Electrical installation testing
  • Motor winding insulation checking
  • Transformer insulation testing
  • Cables & wiring inspection
  • Residential & commercial safety audits
  • Industrial preventive maintenance
  • Panel board and switchgear testing
  • HVAC motor & compressor checks

Suitable for insulation resistance testing of cable, motor, generator, transformer, mutual inductor, high voltage switch, arrester and other large equipment. Insulation resistance measurement (IR); polarization index measurement (PI); absorption ratio (DAR); 4 kinds of filter chose (10S、20S、30S、40S) Voltage measurement(V); capacity measurement （uF）; Leakage current measurement （nA）

Host: 1PCS, high voltage test wire: 1PCS, Test wire (green): 1PCS; Test wire (black): 1PCS; Alligator clip: 1PCS; Hook 1PCS; USB communication cable 1PCS; Software CD: 1COPY; Tool bag: 1PCS

Catalog Download

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