型 號(hào) Model Number | SJG8212 | SJG8312 |
測(cè)量范圍 Measurement range | NAOH : 0-16% ; CaCL2 : 0-22% ; NACL : 0-10% ; HNO3 : 0-10% ; HCL : 0-10% ; H2SO4 : 0-10% ; | |
測(cè)量原理 Measuring method | 2電極式Two polar | |
溫度范圍 Temperature range | 0~80.0°C | |
分辨率Accuracy | 0.01% ; 0.1°C | |
基本誤差Precision | ±0.25%F.S ; ±0.3°C | |
溫度補(bǔ)償 Temp compensation | 自動(dòng)或手動(dòng) Auto manual | |
穩(wěn)定性Stability | ±0.25%/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(shù)據(jù)記錄/曲線顯示/數(shù)據(jù)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(hù)等級(jí) Protection grade | IP65 | |
工作環(huán)境 Working conditions | 環(huán)境溫度:-10~60°C ;相對(duì)濕度:不大于90% ;除地球磁場(chǎng)外周圍無強(qiáng)磁場(chǎng)干擾。 Ambient temperature:-10~60°C; relative humidity <90%; no strong magnetic field interference except the geomagnetic field. |