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Model OT-3 Natural Gas Oxygen measurement

The OT-3 is designed to accurately monitor the oxygen content in a wide variety of gases at the ppm level.

The transmitter is equipped with two oxygen analysis ranges (0-100 and 0-1000 ppm) and is acceptable for operation in Class I, Division 2, Groups B, C, and D hazardous environments when used in conjunction with a non-incendive power source such as the Elsag Baily Total Flow System.

The OT-3 is designed to work with TotalFlow model 6713, one of the predominant FCUs in the industry. Moreover, the system operates at as low as 9 VDC.

The heart of the OT-3 system is Teledyne's own Micro-fuel Cell oxygen sensor. This cell is a sealed electrochemical device which translates the amount of oxygen present in a sample into an electrical current. Since it is sealed, there is no electrolytes to change or electrodes to clean, and is therefore virtually maintenance free.

The OT-3 System is housed in a metal NEMA-4 case with the display visible through a clear Lexan window. For access to the Micro-fuel Cell and transmitter controls, the front door swings open.

Features
  • Two analysis ranges, user selectable, 0-100 and 0-1000 ppm
  • Designed to work with TotalFlow model 6713, one of the predominant FCUs in the industry
  • Operates at as low as 9 VDC
  • High sensitivity (0.5% FS)
  • High accuracy (+/- 2% of full scale at constant temperature)
  • Insensitive to flow variations
  • Fast response and recovery
  • Long, life maintenance free Micro-fuel Cell sensor
  • Unaffected by reducing agents (HC's, CO, SO2, etc.)
  • Easy to calibrate, no zero gas required
  • Rugged NEMA-4 bulkhead mount enclosure
  • Stainless steel sample system (nylon cell holder)
  • H2S scrubber




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Model OT-3H - Oxygen Measurement in Natural Gas

The OT-3H Natural Gas Oxygen Measurement System accurately monitors trace oxygen levels in a variety of gases at the ppm level.

The transmitter is equipped with two user-selectable oxygen analysis ranges and is acceptable for operation in Class I, Division 2, Groups B, C, and D hazardous environments when used in conjunction with a non-incendive power source.

The OT-3H system is housed in a weatherproof NEMA-4 case. For access to the Micro-fuel Cell and transmitter controls, the front door swings open. The transmitter is equipped with two oxygen analysis ranges (0-100 and 0-1000 ppm) and has an optional heating system.

The OT-3H is designed to work with a variety of Flow Computers, such as TotalFlow or FlowBoss, and the system can be ordered in either AC or DC powered versions.

The Sensor

The heart of the system is Teledyne’s own A-2CNG Microfuel Cell oxygen sensor. This cell is a sealed electrochemical device which translates the amount of oxygen present in a sample into an electrical current. And unlike other sensors on the market, it comes complete with a built-in acid gas scrubber.

Features
  • Two analysis ranges, user selectable, 0-100 and 0-1000 ppm
  • Designed to work with all flow computers in use
  • AC or DC powered versions
  • High sensitivity (0.5% FS)
  • High accuracy (±1% of full scale at constant temperature)
  • Insensitive to flow variations
  • Fast response and recovery
  • Long, life maintenance free Micro-fuel Cell sensor
  • Unaffected by reducing agents (HC’s, CO, SO2, etc.)
  • Easy to calibrate, no zero gas required
  • Rugged NEMA-4 bulkhead mount enclosure
  • Temperature regulation through an internal heater (optional)
   

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