The DT-YC piezoelectric liquid level switch is a stable and reliable liquid level switch. It has the characteristics of strong adaptability, maintenance-free and no need for adjustment. It is suitable for tap water, mineral water, paper pulp, glue, dyes, wastewater, sludge, acid, alkali solutions, beer, beer fermentation agents and beverages.
This user manual describes the SANUE DT‑YC liquid level switch, a fork‑type sensor that detects liquid level by changes in vibration frequency. The document explains the operating principle, key product features such as strong adaptability, maintenance‑free operation, and no need for field calibration.
Technical data, recommended application environments, installation options, and wiring diagrams are included. The manual also lists connection details, power requirements, and protection rating to help users correctly integrate the switch into their systems. This manual is written in Chinese.
| Fork material | 316 stainless steel |
|---|---|
| Working temperature (fork) | -40 °C to 120 °C |
| Working temperature (instrument) | -30 °C to 70 °C |
| Working pressure | < 2 MPa |
| Minimum medium density | 0.7 g/cm³ |
| Output type | SPDT relay |
| Contact rating | AC 220 V / 0.5 A, DC 28 V / 0.5 A |
| Power consumption | 0.25 W |
| Process connection | R1″ pipe thread |
| Electrical interface | M20×1.5 |
| Protection rating | IP65 |
| Supply voltage | DC 24 V (or 12‑55 V per customer) |
The fork operates from –40 °C to 120 °C, while the instrument electronics work from –30 °C to 70 °C.
No, the switch has no moving parts and is maintenance‑free after installation.
It provides a single‑pole double‑throw (SPDT) relay output with contact ratings of AC 220 V / 0.5 A and DC 28 V / 0.5 A.
The device can operate at pressures less than 2 MPa.