GemOro SUREgauge Series User Manual Download Page 4

TECHNICAL SPECIFICATIONS

Measuring Range: 0-25mm/0-1”

Precision Accuracy: 0.01mm/0.0005”

Power: LR44 Alkaline Battery (Or 357 Silver Oxide)

Environmental Conditions 

Temperature: 0ºC-40ºC

Relatively Humidity: 

80%

Storage Temperature: -10ºC– +60ºC

FUNCTIONS

1. Power ON/OFF – Press the ON/OFF button to activate or 

deactivate the gauge.

2. Zero Adjustment Setting – Press the “O” button while the 

unit is on.

3. Millimeter/Inch Conversion – Press the “mm/in” button to 

switch between measuring modes.

BATTERY REPLACEMENT 

If the LCD display flashes its digits on and off this is an 

indication that the batteries are weak and in need of 

immediate replacement. On the backside of the gauge 

nearest the LCD display, locate the small screw and carefully 

unscrew it to remove the battery compartment cover and 

replace the battery (positive side facing up).  Replace the 

battery compartment cover.

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