Description
FEATURES
- Rugged Construction
- Non-Contaminating
- Color-Coded
APPLICATIONS
- Refrigerator
- Cryogenics / Vacuum Insulator
- Air Conditioning
- Freeze Drying
- Transformer Oil Refill
- Pharmaceutical
BENEFITS
- Reliable
- Repeatable
- Stable Calibration
The Teledyne Hastings Instruments (THI) Reference Tube is an evacuated, sealed vacuum gauge tube accurately calibrated to precisely simulate a gauge tube at a given operating pressure. It is electrically equivalent to the metal and glass gauge tubes used with THI instruments. It permits quick and easy recalibration of THI Vacuum Gauge Indicators by merely plugging the instrument into the reference and adjusting the calibration “current set” potentiometer
until the instrument reads the exact pressure noted on the reference. THI Reference Tubes are available equivalent to most THI Gauge Tubes.
Teledyne Hastings Instruments products represent over 70 years of experience in the design and manufacture of gas flow instrumentation. The high flow meters and controllers featured in this document are based on the 300 Series line of flow sensors. The 300 Series transducer is a patented thermal-based flow sensor. This sensor is designed to provide an exceptionally linear response to changing flow rates. In addition, the electronics associated with the sensor are precisely tuned to give fast response time.
The NALL Flow Meter is the meter that started a legacy. Operating on a unique thermal principle, the NALL Series is the choice for high temperatures and adverse environmental applications. Inherently linear, the flexible NALL separates the transducer from the electronics and can meter a wide range of flow.
The NALL series meters have flow ranges from 0-10 sccm to flows of 0-15,000 slm; provide analog outputs, ultra-low pressure drops, all-metal (standard), can be hermetically sealed and operate up to 200℃. The full-scale range is specified by the end-user. A NIST traceable calibration certificate is standard. Available in Monel for use with corrosive gases.
The Teledyne Hastings Instruments (THI) Reference Tube is an evacuated, sealed vacuum gauge tube accurately calibrated to precisely simulate a gauge tube at a given operating pressure. It is electrically equivalent to the metal and glass gauge tubes used with THI instruments. It permits quick and easy recalibration of THI Vacuum Gauge Indicators by merely plugging the instrument into the reference and adjusting the calibration “current set” potentiometer
until the instrument reads the exact pressure noted on the reference. THI Reference Tubes are available equivalent to most THI Gauge Tubes.
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