F918 gas alarm is designed to meet the needs of applications of radio linked operating systems. This compact and stylish gas alarm not only offers aesthetically appealing design but also comes with UART output to fit RF module.  F918 is fully loaded with features and built with relay output function.

Approvals 
 CE

Features and Benefits

• Catalytic type gas sensor
• Optional relay function
• Optional interconnection function
• Optional module for 4-wire system use
• Sensor self-test function
• Alarm silence and trouble signal hush function
• Auto report for warning signals
• Temperature compensation
• Analogue sensitivity level output
• Function of detector can be utilized by RF via UART interface
• 4-PIN connector available for RF board integration
• IoT / Smart Home, system used Applications

Alarm types：

Gas Type	Power type	Back up battery	Optional	Detector type
Natural	5V adapter	No Battery		F918-N
Natural	5V adapter	3V Battery		F918B-N
Natural	5V adapter	No Battery	Interconnection	F918I-N
Natural	5V adapter	3V Battery	Interconnection	F918IB-N
Natural	5V adapter	No Battery	Relay Output	F918R-N
Natural	5V adapter	3V Battery	Relay Output	F918RB-N
Liquefied Petroleum Gas	5V adapter	No Battery		F918-L
Liquefied Petroleum Gas	5V adapter	3V Battery		F918B-L
Liquefied Petroleum Gas	5V adapter	No Battery	Interconnection	F918I-L
Liquefied Petroleum Gas	5V adapter	3V Battery	Interconnection	F918IB-L
Liquefied Petroleum Gas	5V adapter	No Battery	Relay Output	F918R-L
Liquefied Petroleum Gas	5V adapter	3V Battery	Relay Output	F918RB-L

 

 

 

 

 

 

 

 

 

Note: Natural(Methane, CH4) and Liquefied Petroleum Gas (LPG, Propane C3H8)

F918 Alarm Specifications:

Description:	Catalytic Gas Alarm	Model:	F918 / F918I / F918R
Sensitivity Range:	10%LEL~15%LEL	Rating voltage:	230/110 Vac to 5 Vdc  USB Power Adaptor
Operating  temperature:	-10℃to 50℃	Operating Humidity:	30%RH~70%RH
Stand by Current (Input AC):	25mA±5mA(For 110V)  15mA±3mA(For 230V)	Alarm current (Input AC):	Max. 40mA(For 110V)  Max. 30mA(For 230V)
Relay output:	0.5 A 125 VAC or 1 A 30 VDC	Sound level:	85 dB at 3m
Dimensions:	11.9cm*8cm*4.4cm	Power Consumption:	Max, 4.4W(For 110V)  Max, 6.9W(For 230V)
E.O.L:	5 years	Back up Voltage:	N/A
Standard:	Comply with EN50194, UL1484

 

F918B Alarm Specifications:

Description	Catalytic Gas Alarm	Model	F918B / F918IB / F918RB
Sensitivity Range	10%LEL~15%LEL	Rating voltage	230/110 Vac to 5 Vdc  USB Power Adaptor
Operating  temperature	-10℃to 50℃	Operating Humidity	30%RH~70%RH
Stand by Current (Input AC)	25mA±5mA(For 110V)  15mA±3mA(For 230V)	Alarm current (Input AC)	Max. 40mA(For 110V) Max. 30mA(For 230V)
Relay output	0.5 A 125 VAC or 1 A 30 VDC	Sound level	85 dB at 3 m.
Dimensions	11.9cm*8cm*4.4cm	Power Consumption	Max, 4.4W(For 110V)  Max, 6.9W(For 230V)
E.O.L	5 years	Back up Voltage	Lithium Battery DC 3V
Standard	Comply with EN50194, UL1484