Brand：Erun
Name：Water Colorimeter
Model：ERUN-SZ4-A-B5B
Parameter：Colorimetry (absorption method)
ERUN-SZ4-A-B5B water quality colorimetry online detector sensor using the principle of absorption method of measurement, in line with ISO design standards, customized optics, compact size, easy to install and maintain, no reagents, no pollution, more economical and environmentally friendly. With automatic cleaning brush, automatic turbidity interference compensation, long-term online use can also maintain excellent stability.
range | 0-500Hazen |
Measuring principle | absorption |
linearity | R2＞0.999 |
temperature range | 0-50℃ |
Maximum pressure | 3bar |
protection class | IP68 |
sensor interface | RS-485，MODBUS protocol |
mounting | Matching mounting plate, immersion mounting |
electric power source | DC9~24V，Current > 1A |
sizes | Φ46mm *189.5mm |
Cable Length | 10m (standard), customizable |
calibrations | 1-point or 2-point calibration |
Housing Material | aluminum alloy |
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 |
Digital sensor, RS485 output, standard Modbus protocol; |
Adopting the principle of measurement by absorption method to ensure the measurement accuracy and stability; |
Built-in calibration parameters for easy field use and secondary calibration; |
With a self-cleaning brush that removes interference from adherents on optical lenses; |
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. |
