Oldham MX 32 - Page 42

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MX 32
Instruction Manual
Alarms
Type:
■ 2 independent thresholds per channel defined
by the user.
■ manual or automatic clearing for increasing or
decreasing values as programmed.
■ visualization with red indicator.
■ output relays (alarms 1 and 2).
Relay:
■ 2 independent alarm relays per channel
energized or de-energized, programmable by
the manufacturer.
■ 1 relay with energized disturbance.
■ open or closed contact configurable for all the
relays using a switch.
Breaking capacity:
2A - 250 VAC, 2A - 30 VDC.
LED:
4 electroluminescent diodes.
Integrated audible alarm:
■ buzzer.
■ alarm sound level:
- to 50 cm: 72 to 74 dB.
- to 100 cm: 66 to 68 dB.
Sensors
■ 1 OLC 10 combustible gas detector or 2 OLC
10 TWIN detectors for the detection of
methane, butane, propane in boiler rooms and
LPG, CNG or H2 in parking lots.
■ 1 OLCT 10 combustible gas detector for the
detection of methane, butane, propane in boiler
rooms and LPG, CNG or H2 in parking lots.
■ 1 to 5 detectors, also OLCT 10 for the detection
of CO, NO and NO2.
Cable length (1.5 mm² diameter).
■ Wheatstone bridge: 300 m max. per channel
■ 4 / 20 mA: 2000 m max. per channel.
Operating conditions
Ambient temperature:
-10 to +55°C
Storage temperature:
-10 to +45°C
Humidity:
5 to 95 % non condensing
Certifications
ATEX Directive 94/9/EC:
category (3) G for metrology in the detection of
explosive gases EN 61779-1 and 4 in Zone 2.
Low Voltage Directive:
in compliance with EN 61010-1:10.
Electromagnetic
Compatibility (EMC)
Directive:
in compliance with EN 50270:06.