Pressure switch 901 Prescal®

adjustable from -700 mbar to 12 bar

Applications

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

Downloads

901p_data_german_7160-2.pdf

Produktkonfigurator

Adjustable pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media.

The pressure switch uses a scaled adjustment knob to enable the adjustment of trip and reset pressure without the use of a screwdriver.

Mounting in any position, to be specified for settings below 100 mbar.

Technische Daten

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: