OLCT 10 - OLC 10

Model

OLC 10

OLCT 10

Type:

Catalytic bead sensor (pellistor measuring principle)

Size(WxHxD):

118 x 126 x 58 mm

Material:

ABS

IP Rating:

IP 66

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:
(CSA pending)

On controller

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

Power supply:

by controller only

15 to 30 Vdc (nominal 24 Vdc) 1: Iout (signal) 2:0 V 3: +24 Vdc

Consumption:

See user manual of the controller

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)
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)

3-wire, shielded, core size 1,5 mm2, max. cable length 1 km if connected
with control unit (32 V max in loop)1 cable gland M16 (outer 4 to 8 mm)

Approvals:

Electromagnetic compatibility according to EN 50270
ATEX II 3 G/EEx nA IIC T6

ATEX II 3G/EEx nA IIC T4