VARAVEL CO2 - NAT GAS - PROPANE DETECTORS (Works With All VARAVEL Products.)

Features

Advanced algorithms provide advanced detection, discrimination.
Stable gas sensing chamber. No adjustment or replacement required
High immunity against unwanted alarms
Surface-mount device (SMD) circuit board design
4-wire system operation
Detector auto-reset once gas levels fall below alarm threshold levels
Internal reed switch for hush and test functions
DC 24 V operation
N/O alarm relay output
70 dB internal sounder
Easy installation. No programming required
Connects to Zone Module for use with addressable control and indicating equipment
Sleek low-profile housing design
Low maintenance

Operating Voltage	:	(21 ~ 27) VDC
Start-up current	:	≤120mA
Start-up time	:	≤10min
Quiescent Current	:	20 mA
Alarm Current (max)	:	75 mA
Sampling Time	:	3 s ~ 5 s
Reset Voltage	:	≤1 V
Reset Time	:	≤5 s
Alarm response threshold	:	70 μL/L for 60 min ~ 240 min 150 μL/L for 10 min ~ 50 min 400 μL/L for 4min ~ 15 min 50 μL/L for 60 min ~ 90 min 100 μL/L for 10min ~ 40 min 300μL/L for < 3min
Alarm relay	:	SPST. N/O 1.0 A @ DC 30 V / 0.5 A @ AC 125 V
Auto reset time	:	< 30s
Sounder output	:	≥ 70 dB @ 3m
Operating temperature	:	-10° C ~ 50° C
Operating humidity	:	0 % ~ 95 % RH, non-condensing
Storage temperature	:	-25° C ~ 80° C
Operating humidity	:	0 % ~ 98 % RH, non-condensing
Quiescent condition indicator	:	Single continuous emitting green LED
Alarm condition indicator	:	Flashing red LED
Dimensions (excluding contacts)	:	ϕ 100mm X 38 mm
Ingress protection rating	:	IP-32