Vacuum Pressure switch 901 Prescal® adjustable

Description

Applications : 

• Wastewater technology
• liquid level measurement
• pump control
• medical technology
• and many more

Technical Data : 

• Setting ranges:
  

  Type	Setting range for upper switching point between	Maximum positive working pressure Standard/extended	Maximum negative working pressure Standard/extended
  901.61	5 and 20 mbar	0,5/4 bar	–/–1 bar
  901.62	10 and 50 mbar	0,5/4 bar	–/–1 bar
  901.63	25 and 100 mbar	0,5/4 bar	–/–1 bar
  901.64	50 and 250 mbar	1/4 bar	–/–1 bar
  901.65	100 and 500 mbar	1/4 bar	–/–1 bar
  901.66	250 and 1.000 mbar	10 bar	–1 bar
  901.67	500 and 1.500 mbar	10 bar	–1 bar
  901.68	1.000 and 3.000 mbar	10 bar	–1 bar
  901.91	1,0 and 6,0 bar	25 bar	–1 bar
  901.92	4,0 and 9,0 bar	25 bar	–1 bar
  901.93	7,0 and 12,0 bar	25 bar	–1 bar
  901.71	– 5 and – 20 mbar	0,5/4 bar	–1 bar
  901.72	– 10 and – 50 mbar	0,5/4 bar	–1 bar
  901.73	– 25 and – 100 mbar	0,5/4 bar	–1 bar
  901.74	– 50 and – 125 mbar	0,5/4 bar	–1 bar
  901.75	– 75 and – 200 mbar	1/4 bar	–1 bar
  901.76	– 100 and – 300 mbar	1/4 bar	–1 bar
  901.77	– 200 and – 500 mbar	1/4 bar	–1 bar
  901.78	– 300 and – 700 mbar	1/4 bar	–1 bar
  901.81	5 and 20 mbar (differential pressure)	100 mbar	–100 mbar
  901.82	10 and 50 mbar (differential pressure)	100 mbar	–100 mbar

• Temperature range:
  Ambient temperature from –20°C to 85°C
  Temperature of media up to 85°C or 130°C depending on material of pressure connection and diaphragm.

• Diaphragm material:
  Depending on media NBR, Silicone, FKM (Viton®), EPDM. For 901.8x Silicone, others upon request.

• Pressure connection:
  Material: PA, PVDF, PPS, Brass, Stainless steel
  Hose nipple: 5,0mm, 6,5mm, 10,0mm
  Thread: M10x1, G1/8, G1/4, G1/2

• Electrical rating:
  Specification of the maximum values ​​for ohmic load.
  AgNi-contact:
  6(1,5) A/250 VAC
  2 A/24 VDC
  Gilded contact:
  100 mA/24 VAC
  30 mA/24 VDC
  On request AgNi contacts up to 10 A / 250 VAC can also be supplied.

• Electrical connection:
  AMP flat plug 6.3 x 0.8 mm according to DIN 46244

• Protection class:
  IP44 / IP54 / IP65 depending on the used protection cap

• Arrangement of contacts: