Operator Manual
Page
29
of
40
P/N 1580281
SEC3120 Digital Transmitter
Sensor Electronics Corporation
Rev 10, 20150707
After Span calibration has completed the
operator will be prompted to purge the cal
gas. The operator can then apply clean
air to the sensor
Once the measured gas value is less than 25%
of the LOW alarm set point the SEC3120 will
return to the calibration menu. The sensor has
been successfully calibrated if no faults are
indicated.
Move cursor down to display final calibration
menu option to return to PREVIOUS MENU
ENTER to return to the MAIN MENU
10.
Diagnostic Functions
The Diagnostics Menu will allow the operator to command the SEC3120 to reboot, toggle the LEDs
(typically ‘Locator Mode’ with alternating flashing red/green alarm/fault lights), and toggle the individual
relays on and off to verify operation.
Reboot System
By selecting ENTER with the cursor on REBOOT
SYSTEM the operator will command the SEC3120 to
reboot. This action results in the SEC3120 Transmitter
EJECT MEMORY CARD
ABORT WARMUP
INFO
MAIN MENU
* SEC DIAGNOSTICS
RESET RELAYS
FORMAT FLASH CARD
EXIT
*
REBOOT SYSTEM
TOGGLE LEDS ON/OFF
TOGGLE RELAYS
PREVIOUS MENU
SETTING CAL. DATE
SENSOR ONE
1. WAIT FOR START
-ENT- TO ABORT
SETTING CAL. DATE
1. IN PROGRESS
SPAN CAL.
1. COMPLETE
DONE, STOPPING…
SELECT SENSOR ONE/TWO
ZERO
*
SPAN
CAL. VAL 2.50
PURGE GAS ‘present gas val’
SENSOR
ONE / TWO
–ENT– TO ABORT
*
PREVIOUS MENU
*
CALIBRATION
ALARM
RELAY
NETWORK
SPAN CAL
SENSOR ONE
1. RECORDING CAL DATA
