Meter Reader Features

The GLM MIni Meter Reader Features a full function internal self testing unit, low battery indicator detection and unit activation indication, providing a safe and reliable instrument.

Battery Placement

mr_rearThe battery compartment is located on the rear of the tester and requires a 9 volt pp3 battery. There is an option of a rechargeable battery for some models.

Ensure the battery is fitted the correct way placing the positive terminal as indicated.

Power On Indicator

When the unit is activated a GREEN indicator light is illuminated stating the unit is on. This indicates a good battery connection only.

Low Battery Indicator

MR-push-light To the bottom right of the GLM MINI Tester, an Orange indicator light will appear when battery levels reach 8.2 volts, this indicates the battery should be replaced or recharged. As the battery output lowers below this point the tester will continually show activation without turning off. (See: battery replacement)

Push to Test Button

The self test button located on the front face of the GLM MINI is a full function test of all the components of the unit.


This feature should be activated every time the unit is turned on and at regular intervals during the working day. In the event the tester fails please refer to (service and trouble shooting).

High / Low Voltage Sensitivity Switch

mr-high-low-switchThis switch controls the sensitivity of the GLM MINI.The high setting will allow detection of high voltages 7,000 volts to ground outdoors 15 metres away and detect 240 volts 1 metre away.The low setting will change the detection distance to 1 metres away at 7,000 volts to ground outdoors and detect 240 volts inside at 10 mm away from an active GPO.


Parts Identification

Meter Reader Parts Identification