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Model 266 Very Low Differential Pressure Transducer

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Model 266 Very Low Differential Pressure Transducer

Model 266 Very Low Differential Pressure Transducer
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Number of views:
1000
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Agent Brand:
Setra
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Keyword:
微差压压力传感器
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Product description

Description 


Sensing 266 pressure transducers sense differential or gauge (static) pressure and converts this pressure

difference to a proportional electrical output. The 266 is offered with a high level 0-10 VDC and 0 -5 VDC output or a 4-20 mA output.

Used in Building Energy Management Systems, these transducers are capable of measuring pressures and flows with the accuracy necessary for proper building pressurization and air flow control.

The 266 Series very low pressure transducers are available for air pressure ranges as  low  as  0 to ±50 Pa full scale up to 5 kPa full scale. Static accuracy is ±1% full scale in normal ambient temperature environments. The units are temperature compensated to less than ±0.06% FS/°C (±0.033% FS/oF) of thermal error over the temperature range of -18 to +65 °C (0oF to +150oF).

 

The Model 266 utilizes an all stainless steel micro- tig welded sensor. The tensioned stainless steel diaphragm and insulated stainless steel electrode, positioned close to the diaphragm, form a variable capacitor. Positive pressure moves the diaphragm toward the electrode, increasing the capacitance.

 

A decrease in pressure moves the diaphragm away from the electrode, decreasing the capacitance. The change in capacitance is detected and converted to a linear DC electrical signal by Setra’s unique electronic circuit.

The micro-tig welded tension sensor allows up to 69 kPa overpressure (in either direction) with no damage to the unit. In addition, the sensor parts have thermally matched coefficients, which promote improved temperature performance and excellent long-term stability.

 

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Copyright © 2020 CHANG SHA TAIHE ELECTRONIC EQUIPMENT CO.LTD   湘ICP备19039544号    BY:xinnet

Copyright © 2020 CHANG SHA TAIHE ELECTRONIC EQUIPMENT CO.LTD   湘ICP备19039544号    BY:xinnet