- 產(chǎn)品簡介
非接觸式測量在物位測量領(lǐng)域越來越受歡迎，出于這個原因, SGM-LEKTRA 研發(fā)了 METER 系列超聲波液位計，大大地滿足了客戶對產(chǎn)品多元化的需求。 METER 一體式超聲波液位計適用于大多數(shù)領(lǐng)域，包括爆炸危險和化學(xué)侵蝕性的環(huán)境區(qū)。 METER 一體式超聲波液位計具有溫度補償功能，支持 MODBUS RTU 通訊（4線）或 HART通訊（兩線），兩路繼電器輸出（4線） |
| 非接觸式測量儀器 |
| 24Vdc 供電 |
| 適用于液體和固體物位測量 |
| 防護等級: IP67/IP68 (傳感器) |
| 內(nèi)置溫度傳感器，補償測量 |
| 輸出: 1 4÷20mA |
| HART 或 MODBUS RTU 通訊協(xié)議 | 2 繼電器 (4-線.) | |
| ATEX II 1/2G Ex ia II C T6 |
- 技術(shù)參數(shù)
Housing material | PC or Al / PP wetted part (PVDF for ATEX certified vers.) |
Mechanical installation | 2”GAS M (PP flange DN50 or DN 80 opt.) |
Protection degree | IP67 or IP68 |
Electrical connection | Internal push connectors |
Working temperature | -30 ÷ +70°C; +80°C non-continuous; -20 ° to +60 ° C for ATEX certified versions |
Pressure | from 0,5 to 1,5 bar (absolute) |
Power supply | 2-wire: 20÷30 Vdc / 4-wire: 24Vdc |
Power consumption | 2-wire max 0,6W / 4-wire max 1,5W |
Analog output | 4÷20mA, max 750ohm (4-wire) |
Relays output | (4-wire only) n°2 3A 230Vac (n.o.) |
Digital communication | MUDBUS RTU for 4-wire versions; (opt.) HART for 2-wire versions |
Max measure range | max 0.25÷5m; max 0.40÷8m [In case of non perfectly reflecting surfaces, the maximu distance value will be reduced] |
Blind distance | 0,25m (5m vers.) / 0,40m (8m vers.) |
Temperature compensation | digital from -30 to 80°C |
Accuracy | ±0,5% (of the measured distance) not better than ±3mm |
Resolution | 1mm |
Calibration | 4 buttons or by HART/MODBUS RTU |
Warm-up | 5 minutes typical |
LCD Display | Plug-in display/keyboard 4 buttons matrix LCD |
Ex-proff | ATEX II 1/2G Ex ia II C T6 |
