Thermal Conductivity Analyzer

Model 212R

 

 

 

 

4.Determine what the sample pressure is and set the output pressure of the cylinder gas supplies to agree with the sample pressure. This procedure, although not absolutely necessary, will minimize flow adjustments when the sample path is switched to the various inputs.

5.Turn the analyzer and recorder power switches to “ON”.

3.2Reference Gas Flow.

Open the reference gas throttle valve adjacent to the “Ref. Flow” meter, and set the valve for an indicated flowrate of between 0.1 and 0.3 scfh. Since the actual setting is not critical, TAI suggests that the flow be set at 0.1 scfh to conserve the reference gas supply.

3.3Zero Gas Flow.

Open the “ZERO” valve (ccw until a release in tension is felt), and adjust the throttle valve to the right of the “SAMPLE FLOW’ flowmeter for an indi- cated flowrate of 0.3 scfh.

3.4Warmup.

A warm-up period of twenty-four (24) hours is recommended to stabilize theinterioroftheanalyzeratthecontroltemperaturelevel. Untilthemeasuring celltemperaturehasequilibratedwiththecontroltemperature,theoutputsignal willdrift.

During the warmup period, check the recorder periodically. As the drift rate decreases, increase the sensitivity by moving the range switch towards Range #1.

IMPORTANT:

The zero control will have little or no effect until Range #1 is reached. If the recorder is off scale towards electrical zero (negative signal) after 24 hours of running on zero gas, use the procedure outlined in Section 6.2. The drift rate will decrease exponentially. When the rate of change slows to approximately 1% per hour, place the “RANGE” switch on position #1 and readjust the “ZERO” control so that the recorder is reading midscale. Do not attempt to calibrate the analyzeruntiltherecorderindicationstabilizes.

3.5Zero Standardization.

Teledyne Analytical Instruments

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Teledyne 212R Reference Gas Flow, Zero Gas Flow, Warmup, Zero Standardization Teledyne Analytical Instruments

212R specifications

Teledyne 212R is a state-of-the-art underwater acoustic modem designed for robust communication in various marine environments. This advanced device is based on established principles of underwater acoustics and modern digital signal processing technologies, making it an optimal choice for applications ranging from oceanography to underwater robotics.

One of the standout features of the Teledyne 212R is its high data transmission capabilities, allowing for reliable communication at distances of up to several kilometers depending on environmental conditions. The modem supports various data rates, enabling flexible adaptation to the needs of different applications. This versatility makes it suitable for both low-bandwidth telemetry and high-data applications, such as video streaming from underwater drones.

The Teledyne 212R employs advanced modulation schemes that enhance its performance in challenging conditions. These modulation techniques, combined with sophisticated error correction algorithms, ensure the integrity of data transmission even in noisy environments. This resilience is crucial as it enables the modem to maintain communication in the presence of marine life, background noise, and varying temperatures.

Another remarkable characteristic of the Teledyne 212R is its compact and rugged design. Built to withstand harsh marine conditions, the modem is encapsulated in a pressure-resistant housing, making it suitable for deep-sea operations. Its durability ensures longevity and reliability, reducing the need for frequent maintenance or replacement, which can be costly in remote underwater settings.

Moreover, the modem features an array of integrated sensors that allow for real-time environmental monitoring. This capability can be pivotal for research organizations studying marine ecosystems or for oil and gas companies conducting underwater surveys. The ability to collect and transmit environmental data alongside operational data streamlines data-gathering efforts.

Ease of integration is another key aspect of the Teledyne 212R. It is compatible with a multitude of existing marine technologies and communication protocols, allowing for seamless deployment in diverse systems. This adaptability is essential for users requiring collaborative operations across multiple platforms, such as Autonomous Underwater Vehicles (AUVs) and remotely operated vehicles (ROVs).

In summary, the Teledyne 212R combines high-performance data transmission, advanced modulation techniques, rugged design, and environmental monitoring capabilities. This makes it an essential tool for anyone engaged in underwater research, exploration, or resource management, establishing it as a go-to choice in the field of underwater communication.