型 號 Model Number | DD8821 | DD8822 |
測量范圍 Measurement range | 0 ~ 20 ~ 200 ~ 2000ps/cm | |
測量原理 Measure principle | 2電極式Two polar | |
溫度范圍Temperature | 0~100.0°C | |
分辨率Accuracy | 0.01ps/cm | |
基本誤差Precision | ±0.5%F.S ; ±0.3°C | |
溫度補償 Temp compensation | 自動或手動auto manual | |
穩(wěn)定性Stability | ±0.2%F.S/24h | |
輸 出 Signal output | 二線制 4-20mA Two-line system 4-20mA | 四線制4-20mA或RS485 Four line system 4-20mA RS485 |
供電電源Power supply | DC10-24V | |
安裝方式Installation | 流通式、管道式、沉入式、法蘭式等 Circulation, pipe, sink, flange type | |
防護等級 Protection grade | IP65 | |
工作環(huán)境 Working conditions | 環(huán)境溫度：-10~60°C;相對濕度:不大于90% ;除地球磁場夕卜周圍無強磁場干擾。 Ambient temperature:-10~60°C; relative humidity <90%; no strong magnetic field interference except the geomagnetic field. | |
