Residual Current Electrical Fire/ Heat Sensor

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)