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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