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Model PD750, PD751, PD752 Universal Temperature Meters
Instruction Manual
4 mA Output Calibration
1. Press
ENTER
, when
OvtPvt
appears press
ENTER
again.
2. All digits flash for 3 seconds, a green LED labeled “4” illuminates indicating the
flashing display is the value at which the meter will produce a 4 mA output.
If this is the desired display at which the meter will produce a 4 mA out
put, press
ENTER
before entire display stops flashing. The meter indi-
cates that the 4 mA Output Calibration is now complete by illuminating
the green “20” LED. Go to 20 mA Output Calibration below.
If this is not the desired display, (or if
ENTER
was not pressed in time to
accept the display) wait for the first digit to flash.
3. First digit flashes for 3 seconds before it scrolls.
4. When first digit is OK, press
ENTER
, next digit will flash for 3 seconds before it
scrolls.
5. When flashing digit is OK, press
ENTER
, next digit will flash for 3 seconds before
it scrolls.
6. Repeat step 5 for each remaining digits.
7. When last digit is OK, press
ENTER
.
8. Entire display will flash for 3 seconds. Press
ENTER
within the 3 seconds if OK to
complete 4 mA Output Calibration. If NOT OK, wait for first digit to flash and go to
step 5 above.
20 mA Output Calibration
Note: The 20 mA output calibrates in the same fashion as 4 mA output so the 4 mA
Calibration Instructions will be referenced for most of the 20 mA Calibration
Instructions.
1. When
ENTER
is pressed to complete the calibration for 4 mA output, the green
LED labeled “20” illuminates indicating the flashing display is the value at which the
meter will produce a 20 mA output.
2. Repeat steps 2-8 in 4 mA Output Calibration above.
3. Upon acceptance of the display corresponding to the 20 mA output, the meter
exits the outPut routine and returns to indication mode.
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