Description
Specifications
- Model: MM-107
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Resistance Range: 1 Meg-ohm to 1 × 10⁷ Meg-ohms (10 Million Meg-ohms / 10 Tera-ohms)
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Test Voltage Range: 70–600 V DC (adjustable)
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Accuracy: ±5% (Resistance), ±1% (Voltage)
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Output Protection: Short-circuit protected
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Stability: Stable infinity reading even in high humidity
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Type: Digital Insulation Resistance Meter
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Country of Origin: India
Insulation Resistance Measurement
The Million Megohm Meter MM-107 is a highly specialized instrument engineered for insulation resistance (IR) testing in applications that require measurement of extremely high resistance values, reaching up to 10 Tera-ohms. This makes it ideal for testing high-voltage components, dielectric materials, transformer insulation, cable insulation quality, and industrial electrical systems.
Designed for stability and precision, the MM-107 provides reliable readings even in high humidity, with a clear, easy-to-read meter scale. The adjustable DC output voltage (70–600 V) allows users to configure the instrument according to specific testing requirements, while the short-circuit-protected output ensures safe operation.
Key Features
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✔ Measures ultra-high resistance values up to 10 Tera-ohms
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✔ Stable readings across all ranges, even under high humidity
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✔ Adjustable test voltage from 70 V to 600 V DC
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✔ High accuracy of ±5% for resistance and ±1% for voltage
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✔ Short-circuit-protected output for enhanced safety
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✔ Suitable for cable laboratories, electrical industries etc.
Applications
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Insulation resistance testing
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High-voltage equipment and system diagnostics
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Transformer insulation quality checks
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Cable and wire dielectric testing
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Electrical maintenance and R&D environments
The MM-107 Million Megohm Meter is a dependable, high-accuracy solution for engineers and technicians who require precise insulation resistance measurements in the teraohm range.

