Differential pressure switch
Overview
Differential pressure switch is pressure switch combined with differential pressure sensor, which is used for measuring the differential pressure and control. The output is NPN/PNP type for choice.
1.4 digits display current pressure
2.Fast switch speed, 300 times/s
3.Preset switch value and delay switch output
4.Zero/full span compensation and correction
5.Back difference setting
6.Adjustment on site
7.2 lines switch output, load capacity 1.2A
8.4-20mA output
Specification of Differential Pressure Switch | |
Pressure Range | -0.1~0...3.5MPa |
Accuracy | 0.5%F.S |
Stability | ≤0.1%/year |
Power Supply | 24V±20% |
Temperature Drift | ≤0.02% F.S./℃ |
Switch Type | PNP/NPN |
Load Capacity | 24V/1.2A |
Switch Life | >1million times |
Response Time | <5ms |
Protection Grade | IP65 |
Display | 4-digits LED |
Display Range | -1999~9999 |
Output | 4-20mA |
Operating Temperature | -30~80℃ |
Medium Temperature | -40~150℃(Heat radiator must be used if medium temperature over 80°C) |
Selection Guide of Differential Pressure Switch | ||
Thread Connection | G14 | G1/4 |
G12 | G1/2 | |
M20 | M20*1.5 | |
Electrical Connection | H | one wire simulate, Hirschmann |
M | two wires switch+one wire simulate (M12-5P) | |
Switch Type | P | PNP |
N | NPN | |
Measuring Range | According to customer's request | |