IDEAL INDUSTRIES Welder 61-340 Bedienungsanleitung PDF herunterladen (Seite 24)

Page 22

Calibration Procedure

Recalibrate your meter:

It is recommended that the multimeter be calibrated once each year.

1. Perform calibration at an ambient temperature of 23°C±2°C and a relative humidity of <70%

Disconnect the test leads and turn the meter off. Remove the test leads from the front terminals.

2. Position the meter face down. Remove the battery cover screw and the 2 bottom case cover screws.

3. Lift the end of the bottom case cover until it gently unsnaps from the case top at the end nearest the

LCD.

(A) DC V Calibration (Adjust VR1)

1. Set the rotary switch to position “

” for the DC Volts function.

2. Set the output of DC calibrator for 300.0mV and connect to

and COM input terminals on

meter.

3. Using a small flat-tipped screwdriver, adjust VR1 until the display reads 299.5 to 300.5mV

4. Disconnect the DC calibrator from the meter.

(B) AC V Calibration (Adjust VR2)

Model 61-340:

1. Set the rotary switch to position. “

” for the AC Volts function.

2. Set the output of the calibrator for 3.000V at 60Hz and connect to

and COM input

terminals on meter.

3. Using a small flat-tipped screwdriver, adjust VR2 until the display reads 2.995 to 3.005Volts

4. Disconnect the AC calibrator from the meter.

Model 61-342:

1. Set the rotary switch to position. “

” and press SELECT button to select AC A function,

then press RANGE button to select 10A range .

2. Using a small flat-tipped screwdriver, adjust VR4 until the display reads 0 to 3 digits.

3. Press RANGE button to select 4A range and adjust VR5 until the display reads same as the

digits at AC 10A range ( 0 to 3 digits)

4. Set the rotary switch to position. “

” for the AC Volts Function.

5. Set the output of the calibrator for 3.000V at 60Hz. and connect to

and COM input

terminals on meter.

Form Number 2 TM61340-2 Rev November 2007

1 2 ... 19 20 21 22 23 24 25

Keine Kommentare

IDEAL INDUSTRIES Welder 61-340 Bedienungsanleitung Seite 24