SLDW3510 LDO Luminescent Dissolved Oxygen Analyzer
OPERATING PRINCIPLE The SLDW3510 LDO Luminescent Dissolved Oxygen Analyzer operates based on the principle of fluorescence quenching.As shown in the figure: blue light excites a fluorescent substance to emit red light.Oxygen molecules absorb energy from this process(quenching),causing the...
- Product Introduction
Solidat Applied Technologies Ltd. is one of the leading manufacturers and suppliers of sldw3510 ldo luminescent dissolved oxygen analyzer in China, also supports customized service. Please feel free to buy high quality products in stock here and get quotation from our factory. Good service and reasonable price are available.

OPERATING PRINCIPLE
The SLDW3510 LDO Luminescent Dissolved Oxygen Analyzer operates based on the principle of fluorescence quenching.As shown in the figure: blue light excites a fluorescent substance to emit red light.Oxygen molecules absorb energy from this process(quenching),causing the intensity and duration of redlight emission to inversely correlate with the oxygen concentration.By measuring the phase difference between the emitted fluorescence and the reference light,and comparingit with internal calibration data,the dissolved oxygen concentration can be accurately calculated.

PRODUCT APPLICATION
· Dissolved oxygen monitoring in biological tanks of wastewater treatment plants
· Dissolved oxygen monitoring in rivers,lakes,seawater,and aquaculture environments
PRODUCT FEATURES
·I nnovative luminescent principle;no need to replace membranes or electrolyte solution,virtually maintenance-free
· Does not consume oxygen;no requirements for flow rate or agitation;immune to interference from:H₂S,pH,Co²+,NH₄,SO₄²-, CI,Cl2,etc.
· Digital sensor with strong anti-interference capability;sensor cable length can extend up to several hundred meters
· Compatible with brush-type self-cleaning system,enabling maintenance-free operation and reducing O&M costs
TECHNICAL SPECIFICATIONS
|
Parameters |
Details |
|
Measuring Range |
0.00-20.00 mg/Lor 0.00-20.00 ppm, air saturation 0-200% |
|
Resolution |
0.01mg/L,0.01 ppm |
|
Accuracy |
≤5mg/L:±0.1 mg/L >5mg/L:±2%or±0.2mg/L |
|
Repeatability |
≤0.1 mg/L |
|
Sensitivity |
±0.05mg/L |
|
Response Time |
90%in<60 seconds 95%in<90 seconds(at 20C) |
|
Digitallnterface |
RS485 interface (Modbus RTU protocol) |
|
Dimensions |
φ40.5×240 mm |
|
Material |
316L stainless steel |
|
Cable Length |
10m standard,extendable upto 200m |
|
Connection Type |
1"conical male thread |
|
Protection Rating |
IP68 |
|
Operating Temperature |
0-60°℃ |
|
Relative Humidity |
0-95%RH,non-condensing |
|
Operating Pressure |
Max.4bar |
ORDER GUIDE
Controller Model+Sensor Model+Accessory Model Controller Model:SLDWCT10
Sensor Model:W3510
Accessories Model (Sold Separately):
FA0000-Submersible Mounting Bracket,stainless steel
FA0010-Insertion Mounting Bracket,stainless steel with DN50 (2")stainless steel ball valve
FA0020-Stainless Steel Floating Ball Mounting Bracket FA0800-Instrument Protection Box,stainless steel
FA0810-Instrument Protection Box,stainless steel with heating element
FC0500-Brush-type Self-cleaning Unit
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