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MASTECH MS2306 Advanced Earth Resistance Tester

The MS2306 is a high-accuracy earth resistance tester designed for precise measurement of earth resistance and soil resistivity. With dual digital and analog displays, data storage, and multiple testing modes, it is ideal for professionals in electrical and construction industries. Features include alarm indicators, backlighting, and a user-friendly interface.

Key Features

  • Dual display: Digital (9999 counts) & Analog

  • Automatic power-off

  • Clock function

  • AVG (average) function

  • Compensation resistance (RK) measurement

  • Alarm indicator for limit-value detection

  • Battery capacity indicator

  • Backlit display

  • User-configurable spacing between resistivity test points

  • Data storage for 100 groups

Technical Specifications

Measurement Range Resolution Accuracy Test Voltage Test Frequency
Earthing Resistance (3 Pole & 4 Pole) 0.1 Ω – 20 kΩ 0.001 Ω ±(5% + 10) AC 20 V / 48 V 94 Hz / 128 Hz
Earthing Resistance (2 Pole R AC) 0.1 Ω – 20 kΩ 0.001 Ω ±(5% + 10) AC 20 V 94 Hz / 128 Hz
Soil Resistivity (ρ) 0.02 – 1000 kΩ·m 0.001 Ω ±(5% + 10) AC 20 V / 48 V 94 Hz / 128 Hz
Compensation Resistance (RK) Up to 30 Ω 0.001 Ω ±(3% + 10) AC 20 V / 48 V 94 Hz / 128 Hz

Interference Specifications

Parameter Range Accuracy
Interfering Voltage 1 – 50 V (AC/DC) ±(5% + 5)
Interfering Frequency 1 Hz ±(1% + 10)
Short Circuit Current ≤ 100 mA —

Additional Information

Parameter Specification
Display Counts 9999
DC Voltage Range Up to 20 V
AC Voltage Range Up to 48 V
3-Pole & 4-Pole Resistance No
Data Hold No
Soil Resistivity No
Overrange Indication No
Low Battery Indicator Yes
Backlight Yes
Data Logging 100 groups
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