Strain Guage Indicator: 409-W
REF NO: m59A/om/501
Issue NO: 03
Page 23 of 34
8. Calibration Procedure
8.1
Calibration
The calibration in the instrument is using front panel keys as well as with Modbus
communication. Instrument can be calibrated even during installed condition.
Calibration is carried out using following steps.
1. First of all enter in to calibration mode using
password “
75
” with front panel keys.
Display shows
2. Select calibration method:
Sample weight calibration(
S-WGT
)
a. Set resolution, enter zero point of weight and span point of weight.
b. Now display indicates Process value for zero and span
in “
SMP-W
”
index, last
digit decimal point of display blinking indicates calibration mode.
c. Feed input zero weight for zero calibration, Press
key to calibrate ZERO.
d. Feed input span weight for Span calibration, Press
key to calibrate
SPAN.
Example
:
For a system of maximum capacity 2000 kg with .1 decimal point resolution,
Zero weight is 100.0 kg and span weight is 800.0 kg.
