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.
The HFM-200/HFC-202 is Teledyne Hastings’ flexible, general-purpose series of mass flow meters and controllers. Featuring reliability and stability, the 200 Series is chosen by OEM’s for its very stable performance with varying ambient conditions. A wide choice of elastomer seals makes this flow controller compatible with most gases.
The HFM-200 / HFC-202 meters and controllers have flow ranges from 0-10 sccm to flows of 0-25 slm; provide analog outputs, are constructed of stainless steel and have normally closed valves. The full-scale range is specified by the end-user. A NIST traceable calibration certificate is standard. Many corrosive gases and pressures up to 1000 PSIG are easily measured. Cleaning for oxygen service is available.
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 Digital 300 Series of thermal mass flow meters and controllers from Teledyne are designed to accurately measure mass flow without corrections or compensations for gas pressure and temperature. They are accurate to better than ± (0.5% of reading + 0.2% of full scale) for full-scale flow rates from 0-5 sccm to 0-25 slm.
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