Sierra Monitor Corporation 5100-04-IT Instruction Manual download pdf (Page 18)

Model 4501-XX Toxic Gas Sensor Module

6.3 DIAGNOSTICS SUB-MENU

Functio

Display Description Reference

M E

S T

M E

Table 6-1

Calibration Sub-Menu

Sub-Routine A - Abort Calibration

H2S

XXX PPM

Default Display

H2S

CAL-FAIL

Calibration Failed

Sub-Routine C - Calibration Fail

Enter

READ

MANUAL

Operation: Remove gas from sensor read manual, particularly section 6.3 and

7.6, to check calibration procedures.

H2S

CAL-OK

Calibration successful

Mode

CALIB

ABORTED

Operation: Hold magnet over [M] for 10 seconds to abort calibration

Sub-Routine B - Select Span

25PPM SPAN

Banner: [S

] or [

] to change span value, [E] when done

Down

C##PPM

Banner: Apply xx-PPM gas,

[E] when stable

Should be stable after 3

minutes of gas exposure

Enter

H2S

REMOVE GAS

Operation: Remove gas from sensor

If calibration failed, then

Sub-Routine C

Enter

H2S

CAL-OK

Banner: Remove gas from sensor

Sub-Routine C

ZERO

DONE

Zero gas setting completed (Message will appear on the screen and after 3

seconds will go to the next menu - 25PPM Span)

Operation: Confirm area clear of gas, or apply zero air to sensor.

Enter

CAL 0 PPM

Banner: Apply zero gas, [E] when done

or Sub-Routine A

Key

Mode

H2S

CALIB:

Default Display (example 4501-05)

XXPPM

Banner: [S

] or [

] to change span value, [E] when done

Sub-Routine B

Enter

Cal0PPM

Wait.XXX

There is a minimum time to calibrate at 0PPM. If [E] is hit prior to this time

has elapsed, a countdown screen will appear.

H2S

WAIT-148

Operation: 148 second time out before sensor is returned to service.

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Sierra Monitor Corporation 5100-04-IT Instruction Manual Page 18

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