Brand：Erun
Water quality conductivity (salinity) online monitor
Model：ERUN-SZ4-A-A4C
Conductivity/salinity (four-electrode method)
The instrument sensor using the world's leading four electrode technology, RS485 digital interface, support MODBUS protocol, with time display, data storage and export function, can real-time grasp of the monitoring parameters change dynamics, with higher precision, wider measurement range, better stability and so on. Can be applied to surface water, municipal sewage, wastewater and sewage treatment, aquaculture and other fields of water quality conductivity salinity continuous real-time detection.
Conductivity range | 0.001 ~5mS/cm or 0.001~100 mS/cm |
Conductivity accuracy | ±1% or 0.01 mS/cm |
Salinity range | 0~2.5ppt or 0~80ppt |
Salinity accuracy | ±0.05ppt or ±1ppt |
temperature range | 0~50℃ |
TDS range | 0~3200mg/L or 0~64000mg/L |
Power supply | DC9~24V，Current >500mA |
sensor interface | Supports RS485, MODBUS protocols |
Cable Length | Standard 10m, customizable |
Housing Material | Nickel + PEEK + Titanium Alloy |
Sensor Size | Φ22mm*175.5mm |
protection class | IP68 |
calibrations | One or two point calibration |
ERUN-SZ4-A-A4C water quality conductivity (salinity) online monitor controller technical parameters:
demonstrate | LED liquid crystal display |
Automatic temperature compensation | 0~60℃ |
signal output | 0～20mA(Load resistance＜750Ω) 4～20mA(Load resistance＜750Ω) |
Power supply | 85～265VAC±10%,50±1Hz，Power ≤3W； 9～36VDC，Power ≤3W |
communication output | RS485 Modbus RTU |
environmental temperature | -10℃~60℃ |
relative humidity | Not more than 90% |
sizes | 144mm*144mm*130mm |
Installation | Recessed (Opening size 138*138mm) |
weights | 0.5kg |
Built-in temperature sensor with automatic temperature compensation; |
Wide range, wide range of applications; very resistant to pollution and strong anti-interference ability; |
Built-in calibration parameters, factory calibrated accurately, ready to install and use; |
Synchronized output of parameters such as conductivity, salinity, TDS and temperature. |
Adopt LED LCD display, intelligent Chinese/English menu operation; |
Output signal: software selects 0-20mA or 4-20mA output; |
High-resistance preamplifier: high input impedance, anti-noise, strong anti-interference ability; |
Multi-parameter display on the same screen: Simultaneously display pH (or ORP) value, temperature value, two current outputs and relay working status; |
| Self-set password: Users can set or change their own passwords to avoid misuse by uninvolved personnel. |
