HPC-500
Digital Pressure Switch
The HPC-500 combines local pressure indication with adjustable switching and alarm settings. Relay, NPN and PNP output versions are available for water, gas, oil and hydraulic-pressure tasks.
- Output versions
- Two relay outputs / two NPN outputs / two PNP outputs
- Thread options
- M20×1.5 / G1/2 / G1/4
- Compatible pressure media
- Water / gas / oil / hydraulic liquids
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Local display and controls
Four-digit LED indication with unit selection and adjustable alarm, zero and full-scale settings.
Cable-entry configuration
The illustrated connection reference includes a 2 m cable and a 304 stainless-steel pressure fitting. Direct cable and terminal connections are separate electrical-entry choices.
Separate probe and terminal versions
Cable-connected arrangement
Display head and separate metal probe connected by cable.
Green-terminal rear
Green terminal block in the rear plate.
Switching and connection choices
Relay and NPN or PNP transistor configurations for replacing pressure gauges and pressure relays.
- Selected configuration pressure span
- −0.1–60 MPa gauge-pressure configuration.
- Selected configuration accuracy
- 0.2% FS; selected configuration.
- Switching version
- Two-relay, two-NPN or two-PNP output configuration.
- Indication and alarm
- Display units and upper/lower alarm-point settings.
- Process connection
- M20×1.5, G1/2 or G1/4 thread option.
- Electrical entry
- Direct-cable or terminal-connection configuration.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HPC-500 |
| Compatible pressure media | Water / gas / oil / hydraulic liquids |
| Local display | Four-digit LED; selectable display units |
| Output versions | Two relay outputs / two NPN outputs / two PNP outputs |
| Alarm settings | Adjustable upper and lower limits |
| Body materials | ABS+PC and 304 stainless-steel assembly |
| Shown process fitting | 304 stainless steel |
| Thread options | M20×1.5 / G1/2 / G1/4 |
| Series supply | 12–36 V DC |
| Series ambient temperature | −20–60 °C |
| Series ingress protection | IP66 |
| Wiring configurations | Direct cable / terminal connection |
| Brand | WKSENSOR |
| Product reference | HH-805782386464 |
Application scenarios
Fire-water pumping
Pumps, valves and red pipework in a fire-water plant room.
Oil
Pumpjacks, pipework and raised platforms in an oil field.
Chemicals
Processing columns, vessels and connecting pipework.
Power
Transformers, insulators and overhead conductors in a substation.
Energy
Rows of photovoltaic panels beneath an open sky.
Water
Water-treatment basins, walkways and railings.
Air-pump pressure switching
Industrial automation.



