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SENSOBAR 901

SENSOBAR 901
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Pressure switch GENERAL CHARACTERISTICS The pressure switches 901 series have a diaphragm sensing element and the adjustable measuring range. Suitable for monitoring pressure, vacuum and differential pressure of both liquid and gasses, also aggressive. The calibration is made easy by a knob that allows the gradual adjustment of the alarm threshold and the reset time of the electrical contact. The electrical contact is SPDT. There are several mounting brackets and electrical protection degree IP44, IP54 or IP65. • Pressure ranges from 5 ... 20 mbar to 7 ... 12 bar. • Vacuum pressure ranges from 5 ... 20 mbar to 300 ... 700 mbar. • Ranges of differential pressure from 5 ... 20 mbar to 10 ... 100 mbar. • Mechanical and electrical life, minimum 106 cycles. • Working temperature from 85 °C to 130 °C depending on diaphragm material and process connection. • Easy calibration. • Calibration to customer specification on request. • Executions ATEX ^^1/2G Exia IIB T4, 2G Exia 11C T4, on request. PRESSURE SETTING RANGES - 901.60/90 Tab.1 Code 901.61 901.62 901.63 901.64 901.65 901.66 901.67 901.68 901.91 901.92 901.93 Setting range VACUUM SETTING RANGES - 901.70 Tab.2 Code 901.71 901.72 901.73 901.74 901.75 901.76 901.77 901.78 Setting range PRESSURE AP SETTING RANGES - 901.80 Tab.3 Code 901.81 901.82 Max. positive pressure Max. negative pressure mbar mbar standard extended standard extended INSTALLATION POSITION - ALL MODELS Optional, to be specified for calibration below 100 mbar. We reserve the right to change the data without notice

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Pressure switch Description Accuracy Diaphragm Process connection Ambient temperature Standard electrical contact Electrical contact on request Electrical connection Mounting bracket Type L - See Tab.6 PVDF H PVDF J - - - - Brass N Brass M - - - - S. Steel P S. Steel Q - - - - Brass N Brass M Brass L Brass S PVDF H PVDF J S. Steel R - - Brass N Brass M - - - - Brass N Brass M Brass L Brass S Brass N Brass M Brass L - - We reserve the right...

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