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MS5203 Mastech Digital Insulation Tester in Pakistan

The MS5203 Mastech Digital Insulation Resistance Tester is a high-performance device built for accurate insulation resistance testing in professional electrical maintenance and diagnostics. This model supports multiple test voltages ranging from 50V to 1000V and provides reliable measurements up to 10GΩ, making it ideal for motors, cables, switchgear, and other high-voltage equipment.

This tester includes advanced functions such as data storage, DAR/PI testing, minimum/maximum/average measurement display, and a user-friendly backlit display, ensuring reliable performance in both field and industrial settings.


Key Features:


  • Multiple insulation test voltages: 50V, 100V, 250V, 500V, 1000V

  • Measurement range up to 10GΩ

  • Min/Max/Avg functions for performance monitoring

  • DAR (Dielectric Absorption Ratio) and PI (Polarization Index) testing

  • 20 data group storage

  • Data Hold and Relative Measurement mode

  • Large backlit LCD screen for improved visibility

  • Auto power-off function

  • Safety rated CAT IV 600V / CAT III 1000V

  • Ideal for industrial inspection and electrical safety testing


Technical Specifications:


Test VoltageRangeResolutionTest CurrentAccuracy
50V0~50MΩ0.01MΩ1mA±(3% + 5)
100V0~100MΩ0.01MΩ1mA±(3% + 5)
250V0~250MΩ0.01MΩ–1MΩ1mA±(3% + 5)
500V0~500MΩ0.01MΩ–1MΩ1mA±(3% + 5)
1000V0~10.00GΩ0.1MΩ–0.01GΩ1mA±(3% to ±10%)

Voltage Tests:
  • DC Voltage: 200V / 1000V (±0.5% + 5)

  • AC Voltage: 200V / 750V (±1.5% + 5)

Resistance Test:

  • 0.01Ω ~ 200.0Ω

  • Continuity test supported with buzzer


General Information:

ParameterValue
DisplayLCD with backlight
Auto Power OffYes
Data Storage20 Groups
Safety RatingCAT IV 600V / CAT III 1000V
Product Dimensions200mm × 155mm × 76mm
Power SupplyBattery operated
Accessories IncludedLeads, clips, manual, bag

Applications:

  • Electrical maintenance and repair

  • Motor and transformer insulation inspection

  • Industrial safety testing

  • Troubleshooting and quality control


Why Choose MS5203 from Test Instruments Pakistan:


  • 100% original product

  • Delivered across Pakistan, including Karachi, Lahore, Islamabad

  • After-sales support available

  • Fair pricing for both individual and bulk orders

  • Trusted source for professional tools.