ZT30 electronic pressure switch is a digital pressure switch produced by Kehua Controls. It has digital setting and pressure display functions. It adopts ultra-clean (UC) treatment technology and has excellent corrosion resistance, durability and stability.
This manual describes the ZT30 electronic pressure switch, which includes a digital setting function and an LCD pressure display. It highlights the Co‑Ni alloy pressure sensor, ultra‑clean gas‑contact surface and long‑term EEPROM memory.
The document provides wiring diagrams, output options (open‑collector, relay, photo‑coupler), installation instructions, and detailed specifications such as pressure ranges, temperature limits and power requirements. This manual is written in Japanese.
| Pressure range | 0 - 300 kPa |
|---|---|
| Output type | Open collector 30V DC, 80 mA max |
| LCD display | 3‑digit LCD, 6 mm character height |
| Power supply | 24V DC ±20%, 30 mA max |
| EEPROM memory retention | 10+ years without backup battery |
| Pressure sensor material | Co‑Ni alloy |
Yes, settings can be adjusted while viewing the LCD display without applying pressure.
The EEPROM retains the settings for more than 10 years without a backup battery.
The pressure sensor is made of a Co‑Ni alloy.