Product Details

Flame detection at 33ft. (10m) ahead!

Protection area adjustment enables installation easy,

and many functions for professionals are available!

Flame sensor WL-166 quickly detects ultraviolet rays contained in flames and activates a built-in alarm sound plus an external output. Power is to be wired to 10~30VDC.

Operation set-uo by detection timer

The alarm will be activated only when the sensor detects a flame (ultraviolet rays) in accordance with the detection timer. The 4 following detection times are selectable by a slide switch located on the sensor body.

(0.2 s, 1 s, 6 s, 30 s)

Other functions

The internal alarm sounder output is greater than 80 dB at 3.3 ft. (1m) in front of the sensor , and it can be turned off .

Equipped with Tamper output .

Form C external output

Equipped with a Form C output , WL-166 can be connected to a Fire/Security control panel .

Also the output signal can be used to initiate a warning device , CCTV surveillance as a part of advanced security system .

Product name	Flame sensor
Model NO.	WL-166
Detection system	Ultraviolet rays detection (Detected wave length 185 to 260nm)
Detection area	Distance	33ft.(10m)[2.75”(7cm)lighter flame, in front]
	Angle	Approx. 120° conically
	Adjustment range	Horizontal 25°by base unit Vertical 30°(4steps)by sensor head
Sensitivity adjustment	Detection timer 4 steps (0.2 s., 1 s., 6 s., 30 s.)
Power supply	10V to 30VDC (non-polarity)
Power consumption	Stand by:25mA or less Alarm :75mA or less(alarm sound ON) 40mA or less(alarm sound OFF)
Alarm output	Dry contact relay Form C (alarm open/close) Contact action : Off delay (approx. 2s.) Contact capacity : 30V-0.3A, protective resistance 3.3 ohms
Alarm memory	Auto-reset operation (on/off setting available) Memory LED blinks for 3 min, then light on for 47min
LED	Alarm LED (red) : light on for off delay 10s. Memory LED (yellow) : light on when memory indicated , blink when power turned on
Alarm sound (buzzer)	Alarm : Sounds intermittently every 0.2 s. during off delay 10 s . Volume : 80dB or more at 3.3ft. (1m)ahead (Silent setting is available)
Tamper output	Dry contact Form B (N/C) Action : open when sensor unit is detached Capacity : 30V·0.25A
Wiring	Terminal
Ambient temp. range	+14°F to +140°F (-10°C to+6010°C)without condensation
Installation	Indoor (ceiling or wall mount)
Weight	Approx. 150g (5.25oz)
Appearance	ABS resin(white)
Optional	Ceiling mount attachment(BCW-401)