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Key Advantages:
2 wavelength absorption measurement: 254nm and 550nm for turbidity and color compensation.
SAC measurement used to determine organic loading  without reagents.
Measurement directly in the process, no sample processing  or reagent required.
Fast response, minimum 10 second.
Cold light source (UV LED) and rugged PD, long life time and  low drift.
Support leakage alarm
Build in auto wiper sub-system prevents biofouling from taking place.

Item Technical Specification
Measurement Method
Absorption measurement at 254 nm, DIN 38402 C2, DIN 38404,
HJ/T191 standard
Range

6mm cuvette gap 0.15~300mg/L equiv. KHP(COD solution)
2mm cuvette gap 0.5~1000mg/L equiv. KHP(COD solution)
2mm cuvette gap 1.5~1500mg/L equiv. KHP(COD solution)



Resolution 0.1mg/L or 0.01mg/L COD
Repeatability
+/-1% FS equiv. KHP
Operating temperature
0~45℃
Storage Temperature -10~50℃
Clean system
Auto wiper system is optional
Warranty
1 year
Depth
IP68, 10m Max
Power
12V 20mA (normal), 200mA (Max)
Output RS485 and Modbus protocol
Materials
Titanium, SS316, POM, Nylon, PUR, quartz glass
Dimensions
Length 280mm, diameter 142x157mm
Flow rate
< 3 m/s
Response time
Minimum 10s T90
Field life*
Sensor 3 years or greater, wiper sub-system 1.5 years or greater
Recommended Calibration Frequency*
Sensor 3 months, wiper sub-system inspection 6 months.


Note: *Field life and calibration frequency dependent on site conditions

UV254 Double-Wave COD Sensor with Wiper

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UV254 Double-Wave COD Sensor With Wiper

912120
The BroadSensor UV254 sensor is an optical-based absorption and transmittance with UV LED and PD technology sensor. The sensor measures the absorption at 254nm and 550nm at the same time to compensate the SAC measurement for interferences from turbidity and color.

Téléphone:0512-88960831
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