Electric Contact Gauge, magnetic snap-action

Model: PRE4-H
  • Stainless steel bezel with glass window, beautiful but still durable
  • A variety of contact types to choose from
  • Used in chemical, petroleum, metallurgy, machinery and other industries
  • Same specifications as WIKA-PGS23
  • Switch Contact Pressure Gauge, Euro Warning/Alarm Contact
  • Responsive after-sales service / Customizable
  • High quality / One-year warranty
  • The image is for reference; the actual product willbe based on your custom specifications.

Description

This magnetic snap-action electric contact gauge is engineered for industrial automation and process control. Featuring a premium stainless steel bezel and a reinforced glass window, it combines an aesthetic design with exceptional durability. It is designed to automatically open or close electrical circuits at pre-set pressure limits, enabling reliable alarm signaling or system interlocking.
With specifications equivalent to the WIKA-PGS23 series, this gauge offers various contact types to suit diverse operational requirements. It is widely utilized across the chemical, petroleum, metallurgy, and machinery sectors. The magnetic snap-action mechanism ensures stable switching and minimizes arcing, providing consistent performance even in high-vibration environments.

Specifications

Connection location Bottom mount, back mount with flange
Back mount without flange
Electrical connections Cable terminal box
Nominal size 4", 6"
Scale ranges -76 cmHg ... 1000 kg/cm²,
or other equivalent units of pressure, vacuum or compound
Accuracy CL 1.6
Process connection 316 SS
1/4, 3/8, 1/2
PT, G, NPT, M
Case/Ring 304 SS
Window Flat instrument glass
Pointer Aluminum alloy, black
Bourdon tube 316 SS
Filling liquid Without, silicone oil
Movement 304 SS
Ambient temperature -20°C ... 70°C
Medium temperature ≤200°C (unfilled)
≤100°C (silicone oil filled)
Contact EC1 snap-action contacts, 70% silver & 30% nickel, golden plated
Switch contact specifications Rated operating voltage: 380 V (Max.)
Switching power Max.: 30 W / 50 VA (Max.)
Switch-on current: 1.0 A (Max.)
Switch-off current: 1.0 A (Max.)
Continuous current: 0.6 A (Max.)
IP Rating IP65
Adjustment lock With/ without removable adjustment key

Product Images

Double-connection Euro switch contact pressure gauge with tri-clamp diaphragm seal
Double-connection Euro switch contact pressure gauge with tri-clamp diaphragm seal
Euro switch contact pressure gauge with tri-clamp diaphragm seal
Euro switch contact pressure gauge with tri-clamp diaphragm seal
Euro switch contact pressure gauge with liquid damping
Euro switch contact pressure gauge with liquid damping
Sanitary tri-clamp gauge with double contacts for pressure control
Sanitary tri-clamp gauge with double contacts for pressure control

Downloads

English

SJ-Gauge-PRE4-H-switch-contact-pressure-gauge-datasheet-en.pdf
SJ-Gauge-PRE4-H-switch-contact-pressure-gauge-datasheet-ch.pdf