Smart Temperature Transmitter STT250 – Operator Manual
31
•
Step 2
- Press and hold side button on meter. Release the button when "
CAL
"
appears on the display. The meter will now carry out a zero (LRV) calibration and
revert to normal operation. Press "
OUTPUT
", "
CLEAR
" to revert transmitter to
continuous output operation.
•
Step 3
- Change output mode value to 100% by pressing "
OUTPUT
", "
1
", "
0
", "
0
",
"
ENTER
".
•
Step 4
- Press and hold side button on meter. Release button when "
CAL
"
appears on the display. The meter will now carry out a span (URV) calibration and
revert to normal operation. Press "
OUTPUT
", "
CLEAR
" to revert transmitter to
continuous output operation. Return loop to Automatic operation.
ATTENTION
- If "
bAd
" appears on the meter display after Step 2 or 4 then the
4 mA or the 20 mA signal was not within the meter's acceptable accuracy range and
calibration was aborted. Check the mA values and repeat calibration steps as
required.
Summary of Contents for STT25D
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