OLCT 10 - OLC 100 pages
OLCT 10/OLC 10
Toxic / Flammable Gas Detectors
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Toxic gas monitor (OLCT 10)
Combustible gas monitor (OLC 10)
Fast and accurate response
ATEX Approval for use in hazardous areas
IP66
esigned for use in boiler rooms and
parking garages, the OLCT 10 and OLC
10 gas monitors give you the most costeffective solution for the continuous monitoring
of toxic (OLCT 10) or flammable gases and
vapors (OLC 10) in ambient air. Easy to install
and operate, these detectors combined with
the MX 15 control unit meet demanding user
requirements.
D
Type:
OLC 10
Catalytic bead sensor (pellistor measuring principle)
Size (W x H x D):
118 x 126 x 58 mm
Material:
ABS
IP Rating:
IP66
Expected lifetime:
> 4 years
Operating temperature:
-10 to + 45 °C
Operating humidity range:
0 % RH to 95 % RH
Operating pressure:
80 to 120 kPa
Accuracy:
+/- 3% LEL
Response time:
T50 < 10s, T90 < 20s
Signal output:
Wheatstone Bridge
Normal operation 4-20mA (Fault < 0.5 mA or > 23.2 mA)
Measuring range:
Combustible gases – 0 to 100 % LEL
Carbon Monoxide – 0 to 300 ppm
Nitric Oxide – 0 to 100 ppm
Nitrogen Dioxide – 0 to 30 ppm
Non-ambiguity reading:
Managed by control unit
Set to 23,2 mA if value > 100% LEL according to European standard
EN 61779-4
Disable on request when managed by a suitable controller
Settings:
On control unit
Without opening the enclosure by means of 2 potentiometers for
zeroing and spanning
2 mA signal output in maintenance mode
One dedicated connector to get a gas measurement
OLC 10
OLCT 10
Power supply:
by control unit only
15 to 30 Vdc (nominal 24 Vdc)1 : I out (signal) 2 : 0V 3 : +24 Vdc
Consumption:
See user manual of the control unit
100 mA max
Cabling:
OLC10: 3-wire, shielded,
core size 1,5 mm2, max. cable length 300 m
1 cable-gland M16 (outer \ 4 to 8 mm)
3-wire, shielded, core size 1,5 mm2,
max. cable length 1 km if connected
OLC 10 TWIN: shielded, core size 1,5 mm2,
3-wire to control unit, 4-wire between both
sensors, max. cable length 300 m,
2 cable-glands M16 (outer \ 4 to 8 mm)
Approvals:
with control unit (32 V max in loop)
1 cable gland M16 (outer \ 4 to 8 mm)
Electromagnetic compatibility according to EN 50270
ATEX II 3 G / EEx nA IIC T6
ATEX II 3 G / EEx nA IIC T4
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