PMPSW400

This series of electronic pressure switches and sensors is designed for industrial applications requiring high precision and the ability to operate across a wide temperature range. Specifically engineered for gas and liquid pressure measurement, these devices are widely used in pneumatics, hydraulics, and process engineering. The PMP-SW400 model supports zero-point calibration via onboard push buttons and allows switching point configuration within a range of 1% to 99% of the measurement span.

Product Features

Optimized for medium to high-pressure measurement, this device is suitable for both gas and liquid media, features microprocessor-based signal processing, supports pressure offset correction, and allows switch point configuration via integrated push buttons.

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Specification Sheet

Specifications

Enter the parameters
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Type of pressure	Gauge
Mechanical connection*	G 1/4" Form E; 1/4"-18 NPT
Wetted parts	Stainless steel 316L or 17-4 PH
Locking torque	Approx. 25 nm
Enclosure size	100×66×45 mm aluminium housing with transparent PC cover
Switching output characteristics
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Electrical connections	PCB mounting terminal block, 3-pole, via PG M16 outlets, conductor max. 1.5 mm² / AWG16
Output 1	4… 20 mA (three-wire); 0/1… 5 V； 0… 10 V
Supply voltage	18… 28 V DC； 10… 16 V DC (on request).
Load resistance	≥ 2 kΩ (voltage output).
Output 2	2 sets of relay outputs, 1x Form C each
Switching point range	1 ~ 99% measurement range (each relay is set independently).
Hysteresis point range	1 ~ 99% measurement range (each relay is set independently).
Maximum switching current*	30 VDC / 1 A or 30 VAC / 0.5 A
Reaction time	100 ms
Analog output characteristics
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Accuracy (25°C).	Typical ≤ ±0.5% F.S
Overall accuracy (-10°C to 80°C).	Typical ≤ ±2% F.S
Long-term stability	≤±0.2% F.S per annum (under reference conditions).
Operating ambient temperature	-20°C ～ +80°C
Medium temperature	-25°C ～ +120°C
Storage temperature	-20°C ～ +80°C
Ingress protection	IP65
Reset to zero	Manual setting via on-screen buttons (see page 4 for details)
Electrical protection
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Reverse polarity protection	Yes
CE marked	Complies with 89/336/EWG electromagnetic compatibility
other	—
weight	Approximately 250 g