IFM PK 6500/8500 Series Pressure Sensor Switch

Sensor Switch, Pressure Sensor SwitchIFM

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2025/7/4 Update

Complementary output and adjustable dial｜DC Pressure range 0…400 bar
— The PK pressure switch allows for quick setting of the setpoint and reset point by rotating the mechanical adjustment dial. The switch can be adjusted without system pressure or voltage.

IFM PK 6500/8500 Series Pressure Sensor Switch

Technical Features

Easily and quickly set the setpoint and reset point by turning the mechanical adjustment dial.

The 316 stainless steel process connection and a 316 stainless steel thin-film strain gauge technology welded directly to the process connection achieve higher reliability than mechanical pressure switches.

Accuracy is constant over the entire range, thus reducing the number of ranges required.

High accuracy and long-term stability ensure the setpoint will not drift.

LED indicates switching status and power.

Products + Accessories Selection:

2 x PNP / NPN • N.O. / N.C.

Output	Measuring range [bar]	Setpoint range [bar]	Reset point range [bar]	Overpressure [bar]	Port size	Order No.
2 x PNP, N.O. and N.C.	0…10	0.5…10	0.3…9.8	25	G1/4 male thread	PK6534
2 x PNP, N.O. and N.C.	0…100	5…100	3…98	200	G1/4 male thread	PK6532
2 x PNP, N.O. and N.C.	0…250	12.5…250	7.5…245	400	G1/4 male thread	PK6531
2 x PNP, N.O. and N.C.	0…400	20…400	12…392	600	G1/4 male thread	PK6530
2 x NPN, N.O. and N.C.	0…400	20…400	12…392	600	G1/4 male thread	PK8530

Optional Accessories

Type	Description	Order No.
	Protective cap	E30094

Mating cables

Type	Description	Order No.
	M12 Micro DC (4-pin) 2 m, PUR	EVC001
M12 Micro DC (4-pin) 5 m, PUR	EVC002
	M12 Micro DC (4-pin) 2 m, PUR	EVC004
M12 Micro DC (4-pin) 5 m, PUR	EVC005

Specifications:

Supply voltage: 9.6…32 VDC
Max. load current: 2 x 250 mA
Current consumption: < 25 mA
Voltage drop: < 2 V
Medium temperature range: -25…80 °C
Switching point accuracy: < ± 2.5 % full scale
Repeatability: < ± 0.5 % full scale
Wetted parts: 316 stainless steel
Protection class: IP67

What’s More:

Simple installation, plug and play

image 2025 07 24T145149.710 — **Electronic PK Pressure Switch**
No moving parts, reducing wear and preventing leakage.

image 2025 07 24T145157.136 — **Mechanical Piston Pressure Switch**
Piston movement may wear out the sealing ring, leading to pressure leakage.

Benefits Introduce In Detail

Mechanical adjustment dial for easy setting

The PK pressure switch allows for quick setting of the setpoint and reset point by rotating the mechanical adjustment dial. The switch can be adjusted without system pressure or voltage.

The PK pressure switch is an ideal alternative to mechanical piston pressure switches. It uses a hermetically sealed measuring cell to reliably detect gas and liquid pressure. It is also resistant to corrosive media and can detect pressures up to 400 bar.

The compact design of the PK makes it an ideal choice for space-saving installations. A standard Micro DC connector is used for quick electrical connection.