Preparation For Measurement - Ideal 61-920 Manual De Instrucciones

6. Preparation for measurement

This instrument performs self-calibration for about 3 seconds when it is turned on. ("
displayed on the LCD.) Do not clamp onto any conductor or open the jaws during this procedure.
Inaccurate measurements may occur.
(1) Check the battery voltage.
When the LCD display is blank, press the Power button
voltage is sufficient when the display is legible and the "
Otherwise, replace the batteries to ensure accurate measurements and proper storage of data points.
(2) Verify the correct measurement of earth resistance. Clamp the meter around the calibration plate to
ensure proper operation. If the displayed value is outside the specified accuracy on the plate, send the
instrument with the calibration plate back to IDEAL for repair.
Resistor for operation check
1Ω loop
CAUTION
10Ω loop
Resistor for operation check
1Ω
10Ω
Power
"mark is not displayed on the LCD.
Allowable range
~
0.93
~
9.75
Page 11
" is
and turn on the meter. Battery
1.07
10.25