Oldham CTX 300 Fixed Gas Detector

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Oldham CTX 300 Fixed Gas Detector

The Oldham CTX 300 can detect O2, CO2, toxic and refrigerant gases. Choose from a range of sensors (infrared, electrochemical, semiconductor) according to your application needs. It is also available with or without display.

Sensor replacement does not require any special menu access. Just replace the sensor without even powering down the transmitter.

As the only consumable element, the CTX 300 sensor is easily replaceable. New sensors come pre-calibrated from the factory. So during the sensor exchange, no calibration gas is required, nor are the detector or remote central controller adjustments necessary. Oldham is a Teledyne brand.

  • Durable in harsh environments
  • Up to 5 years of life for the O2 sensor
  • CO2 detection over three different ranges: 0-5000 ppm, 0-5% vol. and 0-100% vol
  • Optional LCD
  • Approvals EMC according to EN50270
  • Ingress Protection IP 54
  • Weight 520 g (18.2oz)
  • Dimensions 130 x 136 x 69 (lxhxd) in mm, (5.12″x 5.35″ x 2.72″)

CTX 300 Without Display 4-20mA – Electrochemical Sensor (Supplied with Cable Gland)

CTX300-243 – Arsine (AsH3), without display, range 0-1 ppm

WC30-248 – Ethylene Oxide (C2H4O), without display, range 0-100 ppm

CTX300-247 – Formaldehyde (CH2O), without display, range 0-50 ppm

WC30CL2 – Chlorine (Cl2), without display, range 0-10 ppm

WC30CLO – Chlorine Dioxide (ClO2), without display, range 0-3 ppm

WC30COA – Carbon Monoxide (CO), without display, range 0-100 ppm

WC30COB – Carbon Monoxide (CO), without display, range 0-300 ppm

WC30COC – Carbon Monoxide (CO), without display, range 0-1000 ppm

WC30COD – Carbon Monoxide (CO), without display, range 0-1%

WC30CCL – Phosgene (COCl2), without display, range 0-3 ppm

WC30OET – Ethylene Oxide (ETO), without display, range 0-30 ppm

WC30F2A – Fluorine (F2), without display, range 0-1 ppm

WC30H2A – Hydrogen (H2), without display, range 0-2000 ppm

WC30H2B – Hydrogen (H2), without display, range 0-2%

WC30HSA – Hydrogen Sulfide (H2S), without display, range 0-30 ppm

WC30HSB – Hydrogen Sulfide (H2S), without display, range 0-100 ppm

WC30HSC – Hydrogen Sulfide (H2S), without display, range 0-1000 ppm

WC30HLA – Hydrogen Chloride (HCl), without display, range 0-30 ppm

WC30HLB – Hydrogen Chloride (HCl), without display, range 0-100 ppm

WC30HNA – Hydrogen Cyanide (HCN), without display, range 0-10 ppm

WC30HNB – Hydrogen Cyanide (HCN), without display, range 0-30 ppm

WC30HFA – Hydrogen Fluoride (HF), without display, range 0-10 ppm

WC30NH1 – Ammonia (NH3), without display, range 0-1000 ppm

WC30NH1F – Ammonia (NH3), low-temperature version (-40°C/-40°F), without display, range 0-1000 ppm

WC30NH2 – Ammonia (NH3), without display, range 0-5000 ppm

WC30NH3 – Ammonia (NH3), without display, range 0-100 ppm

WC30NH3F – Ammonia (NH3), low-temperature version (-40°C/-40°F), without display, range 0-100 ppm

WC30NOA – Nitric Oxide (NO), without display, range 0-100 ppm

WC30NOB – Nitric Oxide (NO), without display, range 0-300 ppm

WC30NOC – Nitric Oxide (NO), without display, range 0-1000 ppm

WC30N2A – Nitrogen Dioxide (NO2), without display, range 0-10 ppm

WC30N2B – Nitrogen Dioxide (NO2), without display, range 0-30 ppm

WC30N3B – Nitrogen Dioxide (NO2), without display, range 0-100 ppm

WC30O2F – Oxygen (O2), standard 2-year sensor life, without display, range 0-30%, operating temperature -20°C to +50°C

WC30O2G – Oxygen (O2), long-life 5-year sensor, without display, range 0-30%, operating temperature -40°C to +50°C

WC30O2S – Oxygen (O2), without display, range 0-100% vol

WC30O3A – Ozone (O3), without display, range 0-1 ppm

6513584 – Phosphine (PH3), without display, range 0-1000 ppm

WC30PH3 – Phosphine (PH3), without display, range 0-1 ppm

WC30SIA – Silane (SiH4), without display, range 0-50 ppm

WC30SOA – Sulfur Dioxide (SO2), without display, range 0-10 ppm

WC30SOB – Sulfur Dioxide (SO2), without display, range 0-30 ppm

WC30SOC – Sulfur Dioxide (SO2), without display, range 0-100 ppm

CTX 300 Without Display 4-20mA – Infrared Sensor (Supplied with Cable Gland)

WC30CO2A – Carbon Dioxide (CO2), without display, range 0-5000 ppm

WC30CO2B – Carbon Dioxide (CO2), without display, range 0-5.00% vol

WC30CO2C – Carbon Dioxide (CO2), without display, range 0-100% vol

CTX 300 Without Display 4-20mA – Semiconductor Sensor (Supplied with Cable Gland)

CTX300-659 – 2-Butanone (MEK), analogue transmitter without display, range 0-500 ppm

CTX300-507 – Dichloromethane (CH2Cl2 / Methylene Chloride), analogue transmitter without display, range 0-500 ppm

CTX300-508 – Chloromethane (Methyl Chloride), analogue transmitter without display, range 0-500 ppm

CTX300-654 – Ethanol, analogue transmitter without display, range 0-5000 ppm

CTX300-656 – Ethanol, analogue transmitter without display, range 0-500 ppm

CTX300-510 – FX56, analogue transmitter without display, range 0-2000 ppm

CTX300-658 – Isopropanol, analogue transmitter without display, range 0-500 ppm

CTX300-505 – R11, analogue transmitter without display, range 0-1% vol

CTX300-500 – R12, analogue transmitter without display, range 0-1% vol

CTX300-509 – R123, analogue transmitter without display, range 0-2000 ppm

CTX300-662 – HFO-1234yf (R1234yf), analogue transmitter without display, range 0-1000 ppm

CTX300-525 – HFO-1234ze (R1234ze), analogue transmitter without display, range 0-1000 ppm

CTX300-502 – R134A, analogue transmitter without display, range 0-2000 ppm

CTX300-511 – R143A, analogue transmitter without display, range 0-2000 ppm

CTX300-501 – R22 (Chlorodifluoromethane), analogue transmitter without display, range 0-2000 ppm

CTX300-506 – R23 (Trifluoromethane), analogue transmitter without display, range 0-1% vol

CTX300-521 – R245FA, analogue transmitter without display, range 0-1000 ppm

CTX300-515 – R32, analogue transmitter without display, range 0-1000 ppm

CTX300-512 – R404A, analogue transmitter without display, range 0-2000 ppm

CTX300-517 – R407C, analogue transmitter without display, range 0-1000 ppm

CTX300-519 – R407F, analogue transmitter without display, range 0-1000 ppm

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