Merlin Gas Detectors
USER GUIDE
Rev: 15 05-19
6
4
Detector Specification
Power supply 7-30VDC, 80mA max
Gas Sensor
Methane/LPG/Hydrogen - Semiconductor Type
Carbon Monoxide – Electro-Chemical Type
Typical Measuring Range
Methane 300-10000 ppm
LPG 300-10000 ppm
Carbon Monoxide 10-10000 ppm
Hydrogen 100-10000 ppm
Power Up - Warm Up Time 1 minute
Low Level Alarm
(pre-alarm)
Methane 8% Lower Explosive Limit (LEL)
LPG 0.16% BV (by volume of air)
Carbon Monoxide 30ppm
Hydrogen 8% Lower Explosive Limit (LEL)
High level alarm
Methane 10% Lower Explosive Limit (LEL)
LPG 0.2% BV (by volume of air)
Hydrogen 10% Lower Explosive Limit (LEL)
Carbon Monoxide
30 ppm for 2 hours
50 ppm for 1 hour
100 ppm for 10 minutes
300 ppm for 1 minute
Volt Free Relay Output 240VAC 500mA, 30VDC 2A switching current (resistive load)
Net weight
Dimensions
180g
(W)x133mm (H)x95.3mm (D)x38mm
Installation standard See Section 2
5
Maintenance
To keep your device in good working order, you must follow these steps:
DO carefully remove any accumulated dust from the outer enclosure once a month.
NEVER use detergents or solvents to clean your device – this may permenantly or temporarily
damage the gas sensing elements.
NEVER spray air fresheners, hair spray, paint or other aerosols near the device.
NEVER paint the device. Paint will seal vents and interfere with the device.
