Thermo Sample Draw Transmitter

Sample Draw Fixed Gas Sensor

Thermo Scientific Sample Draw Transmitter - Sample Draw Fixed Gas Sensor

Thermo's sample draw sensors include a built in pump that can draw samples through up to 100 feet of tubing. Useful for any situation where it is impossible or difficult to place a diffusion transmitter. They can operate from either 12 or 24 VDC power sources.

Thermo's sample draw sensors are used when it's to difficult or impossible to place a diffusion sensor. Sample draw sensors are often used in clean rooms, sewage lift stations, digesters, confined spaces, paint booths, refineries, cyrogenic research labs, exhaust ducts, and engine emission testing bays. They operate by drawing the sample through up to 100 feet of tubing via a built in electric pump. Sample draw transmitters are a reliable way to monitor difficult or impossible to access areas. They operate from either 12 or 24 VDC and feature a flow meter with a low flow warning. Sample draw transmitters come housed in a NEMA 4X enclosure and provide a standard 4 to 20 mA output for connection to many monitoring and control systems. They are available for H2S, O2, or combustibles.

This sensor is compatible with Thermo's Safe T Net line of controllers, including the Safe T Net 100, Safe T Net 210, Safe T Net 410, and Safe T Net 2000.


Thermo Sample Draw Sensor Ranges

Gas Formula Standard Range
Hydrogen Sulfide H2S 0 to 100 ppm
Oxygen O2 0 to 30% Volume
Combustible 0 to 5,000 ppm
0 to 100% LEL

Thermo Sample Draw Gas Transmitter

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  • 68-0020-02Sample draw transmitter, H2S
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  • 68-0020-03Sample draw transmitter, O2
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  • 68-0020-19Sample draw transmitter1, combustible
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