PARAMETER	HYDROGEN	METHANE	PROPANE	CAR. MONO.	COMMENT
Model:	PK-GH	PK-GM	PK-GP	PK-GC	Part number lead-in
Sensor Type:	MOS	MOS	MOS	Pulsed MOS
Range:	0-20,000	0-25,000	0-10,000	0-450	Parts-per-million (PPM)
Resolution:	100 PPM	100 PPM	50 PPM	2 PPM	Logical internal resol.
Accuracy (typ):	+/- 800	+/- 800	+/- 300	+/- 20	PPM (at 65% R.H.)
Response Time:	4	4	4	240	Seconds to T90
Recovery Time:	10	10	10	300	Seconds to T10
Oper. Temp:	-40 to +80	-40 to +80	-40 to +80	-10 to +60	Deg. C., Active comp.
Oper. Humidity:	10-95	10-95	10-95	10-95	% R.H., non-condensing
Start-up Time:	30	30	30	30	Seconds (warm-up time)
Power Consum:	425 / 780	425 / 780	425 / 780	225 / 300	mW at 5 VDC / 12 VDC
Alarm Points:	2K-15K	2.5K-18K	1K-7.5K	50-400	PPM, FLASH-based.
Overdose Detect:	100,000	125,000	40,000	n/a	PPM, approximate
PK-Port Monitor:	Yes	Yes	Yes	(Limited)	Digital config./monitor