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CALIBRATION
Calibration Preparation
1. Turn on the Calibrator, allow calibrator to warm up. Temperature Stabilization
should be reached after 30 minutes.
2. Disconnect the test leads and turn the range switch to “OFF”.
3. Remove the screw holding the bottom case cover, just above the battery cover.
4 The case bottom is secured to the case top by two internal snaps. (at the LCD end).
lift up on the battery end until the case un-snaps.
5 Using a calibrated meter ensure the battery measures a minimum of 7.5V dc.
If the battery measures under 7.5V DC, replace the battery.
Calibration Procedure
It is recommended that all IDEAL meters undergo the following calibration procedure on
an annual basis.
Volts DC Calibration
1. Set the Function/Range Switch to the “200mV DC” position.
2. Set the output of the DC calibrator for 190.0mV and connect it to the “V-Ohm” and “COM”
input terminals.
3. Adjust VR1 (VR 200 ohm) until the display reads 190.0mV +/- 1 digit.
4. Set the Function/Range switch to the “200mV AC” position.
5. Set the output of the AC calibrator for 190.0mV/50Hz and connect it to the “V-Ohm” and “COM”
input terminals.
6. Adjust VR2 (VR 200 ohm) until the display reads 190.0mV +/- 1 digit.
Note :
This is the only adjustment required for the 61-361. Calibration is complete.
Battery Replacement (refer to Figure 1)
1. Disconnect the test leads from any circuit under test and turn off meter.
2.Remove the three screws for the back case cover.
3. Remove battery from compartment noting the “+” and “- “ position of the Battery terminals.
4. Remove the Battery plastic sleeve and place it on the new battery
(Damage can occur to circuit if Plastic sleeve is not replace with new Battery)
5. Install new 9V battery into compartment and assure proper polarity of battery.
(An alkaline type NEDA #1604 is recommended.)
6. Install bottom case cover and secure with screws.
Figure 1
Form number TM61361
Rev 3 November 2002
