Million Megohm Meter MM-108D

A high-precision Million Meg Ohm Meter (MM-108D) designed for accurate insulation resistance testing up to 100 Tera-ohms. Features stable readings, adjustable test voltage, digital voltage display, and short-circuit-protected output.

SKU: MM-108D

Description

Specifications 

  • Model: MM-108D
  • Resistance Range: 1 Meg-ohm to 1 × 10⁸ Meg-ohms (100 Million Meg-ohms / 100 Tera-ohms)

  • Test Voltage Range: 70–600 V DC (adjustable)

  • Fine Voltage Adjustment: Yes

  • Accuracy: ±5% (Resistance), ±1% (Voltage)

  • Voltage Display: Digital readout

  • Output Protection: Short-circuit protected

  • Stability: Stable infinity reading even in high humidity

  • Model Variant: MM-108HD available with same resistance range but at higher voltage of 1000 V DC instead of 500 VDC


Million Meg Ohm Meter (MM-108D) – High-Precision Teraohmmeter for Insulation Resistance Testing

The Million Meg Ohm Meter MM-108D is a robust and highly reliable instrument designed for precise measurement of extremely high resistance values, extending up to 100 Tera-ohms. Ideal for insulation resistance testing, it is widely used in high-voltage laboratories, cable manufacturing, transformer testing, motor winding analysis, and industrial insulation diagnostics.

Built with advanced circuitry and high-stability components, this meter ensures accurate readings even in high humidity conditions. The unit includes a digital voltage readout for precise output monitoring and features short-circuit protection for enhanced safety and durability.

Key Features

  • Measures ultra-high resistance values with exceptional accuracy

  • Stable readings across all ranges, even under high humidity

  • Adjustable test voltage with four selectable steps

  • Digital voltage indication for precise monitoring

  • Long operational reliability

  • Designed for laboratory, industrial, and field-use applications

  • Easy-to-operate interface suitable for technicians and engineers

Applications

  • Insulation resistance testing

  • High-voltage equipment diagnostics

  • Transformer and motor coil testing

  • Cable insulation quality assessment

  • Material dielectric property testing

  • Scientific and industrial R&D

The MM-108D Million Meg Ohm Meter delivers dependable performance, making it the preferred choice for professionals who require accuracy, stability, and long-term reliability in ultra-high resistance measurement.