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OLC(T) 100

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Overview

Designed for the detection of explosive gases, toxic gases or oxygen, this detector comes with a Wheatstone bridge output (OLC 100) or 4-20mA output (OLCT 100). Whatever your application Oldham offers a solutions: catalytic, electrochemical, semiconductor, or poison control version. ATEX approved, these detectors are available in explosion safe or intrinsically safe versions. In addition to this range the OLC/OLCT 100 offers an infrared sensor, which allows it to be used in more severe environmental conditions, where the presence of poisons could harm the use of a catalytic sensor. With a 3-year warranty on the sensor and electronics, the OLCT 100 XP-IR will provide reliability and extended lifetime. With this new line of detectors, Oldham broadens its product range with products that combine reliability, durability and ease of use.

SIL 2 certified according to EN 50402, the 100 series is very safe. As an example the Probability of Failure on Demand (PFD) of combustible versions is 1 out of 418 for the catalytic version and 1 out of 2857 for the infrared version.

  • OLCT 100 XP: Explosion-proof version and equipped with a catalytic, electrochemical or semiconductor sensor, for detection of explosive, toxic gases or oxygen.
  • OLCT 100 IS: Intrinsically safe version and equipped with an electrochemical sensor for detection of toxic gases or oxygen.
  • OLCT 100 XP IR: Explosion-proof version and equipped with an infrared sensor for detection of explosive gases or CO2.
  • OLCT 100 XP HT: High temperature explosion-proof version, for detection of explosive gases up to 200°C.

For more info, call our sales team on +44 (0)141 302 8302.

Key Features

  • 4-20 mA analog transmitter without display
  • SIL2 capability for LEL, O2, CO, H2S, NH3, CO2
  • Detects combustible, toxic or refrigerant gases and O2
  • Available with electrochemical, infrared or semi-conductor sensors
  • Designed for industrial applications
  • Available in explosion-proof or intrinsically safe versions, and stainless steel
  • New XP IR infrared sensor or catalytic sensor
  • A high-temperature version allows operation up to 200°C

Applications

  • Steel Mills
  • Petrochemical Facilities
  • Chemical Industry
  • Pharmaceutical Industry
  • Food Industry

Technical Specification

Measuring Ranges

  • LEL:  0-100% LEL (-40oC to +55oC)
  • O2: 0-30% vol (-20oC to +50oC)
  • CO: 0-100ppm/ 0-300ppm / 0-1000ppm (-20oC to + 50oC)
  • H2S: 0-30ppm / 0-100ppm / 0-1000ppm (-20oC to + 50oC)
  • NO: 0-100ppm / 0-300ppm / 0-1000ppm (-40oC to + 50oC)
  • NO2: 0-10ppm / 0-30ppm (-20oC to + 50oC)
  • NH3: 0-100ppm / 0-1000ppm / 0-5000ppm (-20oC to + 40oC)

Further measuring ranges can be located on the ‘Sensors Technical Specifications’ section of the OLC(T) 100 Literature Sheet.

Certification

Ex Certified wheelmark-logo ex nepsi

  • Compliant with European directive ATEX 94/9/CE and with IECEx schedule for explosion-proof detectors.
  • OLC 100, OLCT 100 XP, OLCT 100 XP IR : ATEX II 2 GD / Ex d IIC T6 Gb / Ex tb IIIC T85°C Db IP66
  • OLCT 100 XP HT: ATEX II 2 GD / Ex d IIC T6 Gb / Ex tb IIIC T85°C Db IP66 (for the transmitter to be installed in a cold zone) ATEX II 2 G / Ex d IIC T4..T2 Gb (for the sensor to be installed in hot zone)
  • OLCT 100 IS Aluminum : ATEX II 2 GD / Ex ia IIC T4 Gb / Ex ia IIIC T135°C Db IP66
  • OLCT 100 IS Stainless Steel : ATEX II 1 GD / Ex ia IIC T4 Ga / Ex ia IIIC T135°C Da IP66
  • SIL 2 according to EN 50402 / EN 61508 for catalytic versions, O2, CO, NH3 and H2S
  • Metrological performances according to EN/IEC 60079-29-1
  • Electromagnetic compatibility according to EN 50270

Physical Properties

Dimensions (mm/inches) :

  • OLC 100: 135 x 133 x 84 / 5.43 x 5.24 x 3.31″
  • OLCT 100 XP (catalytic bead): 135 x 133 x 84 / 5.43 x 5.24 x 3.31″
  • OLCT 100 XP (electrochemical): 179 x 135 x 84 / 7.05 x 5.43 x 3.31″
  • OLCT 100 XP (semi-conductor): 179 x 135 x 84 / 7.05 x 5.43 x 3.31″
  • OLCT 100 XP IR: 179 x 135 x 84 / 7.05 x 5.43 x 3.31″
  • OLCT 100 XP HT: 150 x 135 x 84 / 5.91 x 5.43 x 3.31″
  • OLCT 100 IS: 179 x 135 x 84 / 7.05 x 5.43 x 3.31″

 

Weight (kg) :

  • OLC 100: 0.95
  • OLCT 100 XP (catalytic bead): 1
  • OLCT 100 XP(electrochemical): 1.1
  • OLCT 100 XP (semi-conductor): 1.1
  • OLCT 100 XP IR: 1.1
  • OLCT 100 XP HT: 1.8
  • OLCT 100 IS: 1.1

 

Environment

Humidity:

0-95% RH (non-condensing relative humidity)

 

Temperature:

-40oC + 70oC (-40oF +158oF)

Power Supply

  • OLC 100: only by OLDHAM controller
  • OLCT 100 XP (catalytic bead): 15.5 to 32 VDC
  • OLCT 100 XP(electrochemical): 10 to 32 VDC
  • OLCT 100 XP (semi-conductor): 15.5 to 32 VDC
  • OLCT 100 XP IR: 13.5 to 32 VDC
  • OLCT 100 XP HT: 15.5 to 32 VDC
  • OLCT 100 IS: 15.5 to 32 VDC

 

Enclosure

Epoxy coated aluminium housing (Inox 316L optional). 316 stainless steel sensors.

IP Rating

IP66
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