FST1000 SERIES Air Flow Switch with Two SPST Relay Contact Closures User's Guide
■The FST1000 series measures air velocities up to 10,000 FPM (50.8 m/sec) and provides two SPST relay contact closures corresponding to high and low alarm set points. The alarm set points are adjustable from 0 to 100% of the air flow range. This unit can be used in HVAC applications, R&D labs, exhaust/ventilation hoods and other manufacturing processes.
■The sensor is designed based on RTD elements. The air velocity is measured by the heat loss from the RTD sensor as it cools down by the air flow. The sensor is housed in a 1/4" OD x 12" long 304 Stainless Steel tube with inch marks for ease of insertion depths. The sensor probe comes in two configurations:
▲Fixed mount probe
▲12" long remote probe connected via 15 feet of shielded cable
■The FST1000 series air velocity switch is intended for use with clean air or Nitrogen ONLY. Do not use with other gases, as it will produce an error in measurement. In addition, air carrying dust or oil (such as found in blower/compressor systems that utilize oil) can lead to coating of the sensor and thus inaccurate readings.
■Refer to the Maintenance section for information on cleaning the sensor. The FST1000 is a bi-directional device, meaning the air flow in the forward or reverse direction provides the same readings. The FST1000 can be mounted vertically or horizontally without shift in calibration.
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FST1000 SERIES 、 FST1000 、 FST1001A 、 FST1001R 、 FST1002A 、 FST1002R |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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0817 |
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M4980 |
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286 KB |
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