IDEAL INDUSTRIES 61-312, Техническое руководство

Страница: 23 / 25

Form Number TM61312-4
Rev 2 Aug 2007
Page 21
Calibration Procedure
Re
It
1. P ty of
<70%. Disco e
front
2. P e
cove
3. Lif nd
near
(A
1. S
calibrate your meter:
is recommended that the multimeter be calibrated once each year.
erform calibration at an ambient temperature of 23°C±2°C and a relative humidi
nnect the test leads and turn the meter off. Remove the test leads from th
terminals.
osition the meter face down. Remove the battery cover screws and the 2 bottom cas
r screws.
t the end of the bottom case cover until it gently unsnaps from the case top at the e
est the LCD.
) DC V Calibration (Adjust VR1)
et the rotary switch to position “V ”. Press the SEL button For the DC Volts Function.
2. Set the output of DC calibrator for 300.0mV and connect to V/ Ω /Temp and COM input
t
3. Usin R1 until the display reads 299.5 to
300.5mV
4. Disconnect the DC calibrator from the meter.
(B) AC V Calibration (Adjust VR2)
n. “V
erminals on meter.
g a small flat-tipped screwdriver, adjust V
1. Set the rotary switch to positio ” Press the SEL button For the AC Volts
put of the calibrator for 3.000V at 60Hz. and connect to V/ Ω /Temp and COM
crewdriver, adjust VR2 until the display reads 2.995 to
he AC calibrator from the meter.
(C) DC A Calibration (Adjust VR7)
A “ position and use the SEL button to set DC
tput of the calibrator to 3A DC
10A and COM input terminals on
small flat-tipped screwdriver to adjust VR7 until the display reads 2.995 to
Function.
2. Set the out
input terminals on meter.
3. Using a small flat-tipped s
3.005Volts.
4. Disconnect t
1. Set the rotary switch to the " 10
function.
2. Set the ou
3. Connect the calibrator current output to the
meter.
4. Using a
3.005 amps