GSM-60
ENMET
Manual Revision Date – June 15, 2017
P a g e
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19
Manual Part No. – 80003-600
Rev. 1 – December 15, 2016
5.3.1B High Cal/Span Gas Adjust
A High Cal/Span Gas should only be performed after a successful Low Cal/Zero Cal has been completed.
Press the
SELECT
switch, that moves the cursor one digit to the right when the last digit is accepted the display will move to
"HI Cal xx" gas calibration.
xx
= the level of gas to be used for calibration. The mV reading is shown in the upper right
hand corner of the display.
Apply calibration gas to sensor. See
Figure 7
. After about 1 minute and mV reading has stabilized.
Press the
SELECT
switch, that moves the cursor one digit to the right, when the last digit is accepted and the calibration is
successful the display will momentarily show Cal OK then slope and off set readings, before returning to the Calibration
Menu
Repeat above steps for each channel to be calibrated.
To continue to next section, Press the
OPTION
switch.
Press
OPTION
switch until “Exit Maint Menu” appears and then press
SELECT
switch to return the instrument to the
Operational Display
5.3.2 Set 4 –20mA Transmitter Scale
This section of the maintenance menu is installed when there are 4-20mA style sensors for dew point or other gases. This
function is normally performed at the factory and is not usually required to be performed in the field unless a new transmitter is
installed.
After entering a valid password into maintenance menu, the Scale mA Xmtrs section is the second menu section, if it is
installed, enter by pressing the S
ELECT
switch
Press the
SELECT
switch "mA Xmter Scale: Select
XX
" is displayed.
XX =
the gas to be set up.
Press the
OPTION
switch, if needed, to change to the gas to be set up.
Press the
SELECT
switch, “Ch#: mAXmter: 4mA: 0000” is displayed
Press the
SELECT
switch, that moves the cursor one digit to the right when the last digit is accepted the display move to the
full-Scale mA Xmtrs menu
Press the
SELECT
switch, “Ch#: mAXmter: 20mA: 0000” is displayed
Press the
SELECT
switch, that moves the cursor one digit to the right when the last digit is accepted the display will return to
the Scale mA Xmtrs menu
Repeat these steps for each 4 –20mA transmitter.
Press
OPTION
switch until “Exit Maint Menu” appears and then press
SELECT
switch to return the instrument to the
Operational Display
Example:
Sensor/Transmitter Set Up Flow Chart
O
S
S
mA Xmtr Scale
Select (Gas)
MAINTENANCE MENU
Scale mA Xmtrs
O
Press
O
PTION
until the gas to be
Set Up is displayed
CH#: XX mA Xmter
4mA: 0000
S
each digit
CH#: XX mA Xmter
20mA: 0000
S
each digit
O
= Press Option
S
= Press Select