型 號 Model Number | DDG8202 | DDG8302 |
測量范圍 Measurement range | 電導率 Conductivity : 0 ~ 30000|us/cm ; TDS : 0~15000mg/L | |
測量原理 Measure principle | 2電極式Two polar | |
溫度范圍Temperature | 0~150.0°C | |
分辨率Accuracy | O.Olps/cm ; O.Olmg/L ; 0.1°C | 0.001|JS/cm ; O.OOlmg/L ; 0.1°C |
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 | |
穩定性Stability | ±0.2%F.S/24h | |
電流輸出 Isolated current | 1路4-20mA,可選配2路 One output, Optional second way | 2 路 4-20mA Two output 4-20mA |
通訊輸出 Communication | 選配 RS485 MODBUS RTU Optional RS485 MODBUS RTU | RS485 MODBUS RTU |
其它功能 Other Function | — | 數據記錄/曲線顯示/數據上傳 Data record/graphic display/data upload |
繼電器 Alarm relay | 二組 5A 240VAC/5A 28VDC 或 120VAC Two 5A 240VAC/5A 28VDC 120VAC | 三組 5A 240VAC/5A 28VDC 或 120VAC Three 5A 240VAC/5A 28VDC 120VAC |
供電電源Power supply | 85 ~ 265VAC 9 - 36VDC ,功率 power: <3W | |
夕卜形尺寸Dimensions | 98*98*130mm | 144*144*118mm |
安裝方式Installation | 盤裝，開孔93*93mm Dimension of the recess:93x93mm | 盤裝,開孔138*138mm或墻掛式 Dimension of the recess:138xl38mm Wall-hung |
防護等級 Protection grade | IP65 | |
工作環境 Working conditions | 環境溫度:-10~60°C;相對濕度：不大于90% ;除地球磁場外周圍無強磁場干擾。 Ambient temperature:-10~60°C; relative humidity <90%; no strong magnetic field interference except the geomagnetic field . | |
