Sierra Monitor Corporation 5100-03-IT Model 5100-XX-ITToxic Gas Sensor Module, Flow, Period, Page

Model 5100-XX-IT Toxic Gas Sensor Module

5.3.1 SENSOR EXPOSURE TO GAS

Calibration gas must be delivered to the sensor using the flow rate and duration listed in below:

Model			Gas		Flow	Period
5100-03-IT Oxygen					300 cc/min	Until Stable
5100-04-IT Carbon Monoxide					300 cc/min	Until Stable
5100-05-IT Hydrogen Sulfide					300 cc/min	Until Stable
5100-06-IT Chlorine					300 cc/min	Until Stable
	Key		Function	Display		Description	Reference
				XXXPPM	Default Display
	M	E	Mode	ALMRSET:	Mode Function - Alarm Reset
	S	T
	M	E	Mode	CALIB:--	Mode Function - Calibrate
	S	T
	M	E	Enter	CAL-0PPM--	Banner: Apply zero gas, enter <E> when done
	S	T
					Operation: Confirm area clear of gas, or apply zero air to
					sensor.
	M	E	Enter	ACK	Zero gas setting acknowledged
	S	T
				10PPM-SP	Banner: Select	span, enter <E> to calibrate sensor	Sub A
	M	E	Enter	C 4 PPM	Banner: Apply span gas, then enter <E> to calibrate gas sensor		Sub B
	S	T
				C 4 PPM	Operation: Apply calbration gas.
				CXXXPPM	Operation: As gas is applied the reading will increase - wait 3
					minutes
	M	E	Enter	CAL-OK	Calibration Passed - now remove gas
	S	T
				WAIT-300	Operation: Five minute time out before sensor is returned to
					service.
					Sub-Routines
				10PPM-SP	Banner: Select	span, enter <E> when done	Sub A
	M	E	Up	25PPM-SP	Operation: Change Span Gas Value to 25PPM
	S	T
	M	E	Up	Adj-SPAN	Operation: User adjustable value
	S	T
	M	E	Enter	25PPM-SP	Operation: Ready for user adjustment
	S	T
	M	E	Enter	C 25PPM	Banner: Apply 25PPM gas, then enter <E> to calibrate gas		Sub B
	S	T			sensor
				C 25PPM	Operation: Apply calbration gas.
	M	E	Enter	CAL-FAIL	Operation: No calibration gas applied, or sensor did not respond
	S	T			correctly.
				WAIT-300	Operation: Five minute time out before sensor is returned to
					service.
	M	E	Mode	(Any)	Operation: Hold magnet over Mode Switch for ten senconds to		Sub C
	S	T			abort calibration
					Banner: Calibration Aborted
				XXXPPM	Default Display
						Table 5-1
					Calibration
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