The Kaifeng Instrument XMUZ level display manual provides installation, wiring, parameter setting, and maintenance instructions for XMUZ‑11/12/21/22 units.
This manual describes the XMUZ digital level display instrument, which can be used with 4‑20 mA or RS‑485 level transmitters for monitoring liquid levels in chemical, petroleum, metallurgical, and hydro‑electric applications. It outlines the device's functions, such as digital and analog display, alarm limits, and remote data transmission up to 1.2 km.
The guide covers installation dimensions, wiring diagrams, power requirements, and step‑by‑step parameter configuration, including unit, range, upper/lower limits, and zero offset. Maintenance advice, storage conditions, and ordering information are also provided. This manual is written in Chinese.
| Input signal | 4‑20 mA DC, input impedance ≥1 MΩ, RS‑485 serial |
|---|---|
| Output signal (alarm relay) | 1 A/30 V DC, 0.3 A/125 V AC |
| Digital display | 4 digits, 1 s sample time, ±0.5 % FS error |
| Analog display error | ±1 % FS |
| Power supply | 220 VAC ±10 % 50 Hz ±5 %, power <10 W |
| Auxiliary DC outputs | +24 VDC/100 mA, optional +12 VDC/100 mA |
| Dimensions | 150 mm × 160 mm × 80 mm |
| Weight | ≈0.5 kg |
| Operating temperature | 0 °C – 50 °C |
| Relative humidity | ≤85 % |
Press the ○ key to enter unit setting; the rightmost digit flashes. Enter 0 for cm or 1 for mm, then press ○ to confirm.
The instrument works in an ambient temperature range of 0 °C to 50 °C.
The alarm relay contacts are rated for 1 A at 30 V DC and 0.3 A at 125 V AC.