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Product Features
  • Digital transmitter without display

  • Available with catalytic bead or electrochemical sensors

  • Detects O2, combustible gas, and toxic gases

  • Available for detection of O2, CO2, H2S, NH3, NO, NO2, Methane, Propane, Butane and Hydrogen

  • For commercial and light industrial applications (laboratories, cooling rooms, hospitals, boiler rooms, waste water treatment plants, etc.)

  • ATEX 3G certified for use in zone 2

Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
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  • Please see our delivery page for full information

Teledyne Oldham OLCT 10N Fixed Gas Detector

The Teledyne OLCT 10N is a digital combustible gas detector designed to detect combustible, toxic gases or oxygen.  Intended for use in combination with the MX 32 and MX 43 controller, the OLCT 10N provides a fast and accurate response. All transmitter information is received by the controller in less than 1 second. Non-intrusive operator interface requires only a simple magnetic wand and allows one-man calibration without opening the enclosure.

OLCT 10N
Range CH4, C3
H8
, C4
H10, H2
O2
 (> 2 years)
O2
 (5 years)
CO
H2
S
NO
NO2
NH3
CO2
0-100 % LIE (-20°C à + 55°C)
0-30 % vol (-20°C à + 50°C)
0-30 % vol (-40°C à + 50°C)
0-300 ppm / 0-1000 ppm (-20°C à + 50°C)
0-30 ppm / 0-100 ppm (-20°C à + 50°C)
0-100 ppm / 0-300 ppm (-20°C à + 50°C)
0-10 ppm / 0-30 ppm (-20°C à + 50°C)
0-100 ppm / 0-1000 ppm (-20°C à + 40°C)
0-5000ppm / 0-5% vol / 0-100% vol (-40 à + 50°C)
Output RS485 Modbus, proprietary protocol  
Power supply 12-30 Vcc  
Consumption Electrochemical sensor:
Catalytic sensor :
CO2
 Infrared sensor:
2.5 mA in normal operation @ 24 Vdc
50 mA in normal operation @ 24 Vdc
20mA in normal operation @24Vdc 
Calibration Non-intrusive  
Cable inlet 2 PE M16, diamètre 4 à 8 mm  
Cable inlet With MX 32 (24 Vdc version):
Up to 8 toxic or oxygen gas detectors at 1000 m with a 0.9 mm² (AWG 18) core size cable
Up to 8 explosive gas detectors at 225 m with a 0.9 mm² (AWG 18) core size cable
With MX 43:
2 x M16 cable entries, outer diameter 4 to 8 mm
Up to 32 detectors at 1000 m with a 0.9 mm² (AWG 18) core size cable
Dimensions (LxHxW) 118x110x60 mm  
Materials ABS, UV and shocks resistant  
Ingress protection IP65  
Approvals II 3 GD - IECEx 11.0029X
Ex nA nC IIC T4 Gc for explosimetric versions / Ex nA IIC T4 Gc for others (except CO2 versions)
Ex tc IIIC T135°C Dc
-20°C<Ta<+55°C
Electromagnetic compatibility according to EN50270
OLCT10N-001 Digital transmitter OLCT 10N, range 0-100% LEL CH4
OLCT10N-003 Digital transmitter OLCT 10N, range 0-100% LEL H2
OLCT10N-004 Digital transmitter OLCT 10N, range 0-100% LEL C4
H10
OLCT10N-005 Digital transmitter OLCT 10N, range 0-100% LEL C3
H8
OLCT10N-200 Digital transmitter OLCT 10N, range 0-30% vol O2 (2 year O2
 sensor)
OLCT10N-272 Digital transmitter OLCT 10N, range 0-30% vol O2 (5 year O2
 sensor
OLCT10N-204 Digital transmitter OLCT 10N, range 0-300 ppm CO
OLCT10N-205 Digital transmitter OLCT 10N, range 0-1000 ppm CO
OLCT10N-213 Digital transmitter OLCT 10N, range 0-30 ppm H2
S
OLCT10N-214 Digital transmitter OLCT 10N, range 0-100 ppm H2
OLCT10N-216 Digital transmitter OLCT 10N, range 0-100 ppm NO
OLCT10N-217 Digital transmitter OLCT 10N, range 0-300 ppm NO
OLCT10N-219 Digital transmitter OLCT 10N, range 0-10 ppm NO2
OLCT10N-220 Digital transmitter OLCT 10N, range 0-30 ppm NO2
OLCT10N-231  Digital transmitter OLCT 10N, range 0-100 ppm NH3
OLCT10N-232 Digital transmitter OLCT 10N, range 0-1000 ppm NH3
OLCT10N-252 Digital transmitter OLCT 10N, range 0-5000 ppm CO2
OLCT10N-239 Digital transmitter OLCT 10N, range 0-5% vol CO2
OLCT10N-241  Digital transmitter OLCT 10N, range 0-100% vol CO2
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