Model OT-3 Natural Gas Oxygen measurement0 pages

TELEDYNE
ANALYTICAL INSTRUMENTS
Measuring Oxygen in Natural Gas
• Controls quality
• Prevents corrosion
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-3 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 OT-3 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.

MODEL OT-3

Designed to Measure O2
in Natural Gas

The Challenge
At a time when domestic natural gas companies seek
to lessen the United States’ dependence on foreign
resources and attain greater production from our
reserves, Teledyne has supported the mission with
reliable equipment for measuring oxygen in natural gas.
The OT-3 is designed to run continuously for years with
minimal maintenance and streamline the work of field
technicians.
This innovative instrument utilizes new sensor technology
-- Teledyne’s own A-2CNG sensor -- engineered with
CO2 resistant electrolyte. Even more exciting, this sensor
has a built-in acid gas scrubber (patent pending).

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
• Designed to work in tandem with the predominant FCUs in
the industry
• Operates at as low as 10 VDC
• High sensitivity (0.5% FS)
• High accuracy (± 2% of full scale at constant temperature)
• Insensitive to flow variation
• Fast response and recovery

Competitors’ units rely on a bulky, external scrubber
that requires frequent maintenance and replacement.
Restructuring the sensor to accommodate the scrubber
simplifies upkeep while minimizing instrument size.

• Long-life maintenance-free Micro-fuel Cell sensor

The Solution

• Rugged NEMA-4 bulkhead mount enclosure

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

• H2S scrubber

• Unaffected by reducing agents (HCs, CO, SO2, etc.)
• Easy to calibrate; no zero gas required
• Stainless steel sample system
• Optional heater

The transmitter is equipped with two user-selectable
Built for Reliability and Performance