Brand : ZETA

Model : MKII-OP

Country of Origin: UK

Description :

The Fyreye MkII optical smoke detectors use a pulsing IR LED & photodiode to detect IR

scatter caused by smoke entering the chamber. The detector is particularly suitable for detecting

optically dense smoke, involving materials such as soft furnishings, PVC, plastic, foam and all similar materials which produce small visible particles (0.5 to 10μm). The Fyreye Rate of Rise heat detectors (MKII-HR) use a thermistor arrangement to sense a quick rise in temperature and also a final threshold temperature of 57°C. The Fyreye fixed heat detector (MKII-HF) has a single thermistor arrangement that gives an alarm at a temperature of 57°C. There are 4 types of mounting base available; standard or deep and with or without diode.

Technical Specifications:

Model	MKII-OP		MKII-OH		MKII-HF		MKII-HF/CS90		MKII-HR
Part No.	80-200		80-206		80-204		80-208		80-202
Detector Class	Optical Smoke		Combined Smoke & Heat		Fixed Heat Only		Fixed Heat Only		Rate of Rise & Fixed Heat Detector
Design Standard	EN54 part 7		EN54 parts 5 & 7		EN54 part 5		EN54 part 5		EN54 part 5
Approval	DIFT
CPD Number		0845-CPD- 232.1700		0845-CPD- 232.1703		0845-CPD- 232.1701		0845-CPD- 232.1702
Operating Voltage	9-33V DC
Quiescent Current	40μA
Alarm Current @ 24V DC	34mA
Operating Temperature	-10°C to +50°C		-10°C to +50°C		-10°C to +50°C		-10°C to +80°C		-10°C to +50°C
Min. Continuous Temp.	0°C
Maximum Humidity	95% RH non-condensing
Alarm Condition	2.4% obscuration per metre				Fixed heat trigger @57°C		Fixed heat trigger @90°C		Rate of rise or fixed heat trigger @ 57°C
Coverage	100m²				50m²
IP Rating	IP43
Start-up Time	10 Seconds
Size (with Base)		100 x 48 mm		101 x 64 mm		100 x 48 mm		100 x 48 mm
Weight (with Base)	75g (133g)

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