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Brand Name : Desun Uniwill
Model Number : DS-500
Place of Origin : China
MOQ : 1 pcs
Price : $1000.00 - $3000.00/ Piece
Payment Terms : L/C, D/A, D/P, T/T
Supply Ability : 0~1000 pcs
Delivery Time : 7~ 15 working days
Packaging Details : Carton packaging
Measuring range : COD 0.75 to 1000 mg/l equiv. KHP
Power supply : 12VDC +/-5%
Output signal : RS485 / Modbus
Accuracy : 0.01mg/L COD
Calibration : 1 or 2 point calibration
Cable length : Default 5 m
Housing Material : SS316L
COD and BOD
 Like COD, biochemical oxygen demand (BOD) measurements can be used to estimate the amount of pollution in a water sample.COD describes the amount of oxygen required to chemically break down pollutants, while BOD indicates the amount of oxygen required to biodegrade organic pollutants with microorganisms.
There is a correlation between COD and BOD, but this must be determined experimentally before one parameter can be used to represent the other. Typically COD analysis (which is a faster and more accurate method) is used to estimate BOD using the established correlation.
Product Introduction

Technical parameter
| Item | Parameters | |
| Model | Measuring range | Application field | 
| 
 
 DS501(6 mm gap) | COD 0.75 to 1000 mg/l equiv. KHP TSS 0 to 1000 mg/L BOD 0~300 mg / L 
 | 
 
 Tap water,Sewage treatment plant outlet, natural waters | 
| 
 
 DS502(1mm gap) | COD 2.5 to 2000 mg/l equiv. KHP TSS 0 to 1000 mg/L BOD 0~500 mg / L 
 | 
 
 Industrial process control,Raw water | 
| Power supply | 12VDC +/-5% | |
| Output signal | RS485 / Modbus | |
| Accuracy | 0.01mg/L COD | |
| Calibration | 1 or 2 point calibration | |
Warranty limit
The warranty does not include the following:
● Damage caused by force majeure such as natural disasters, riots, and wars.
● Damage caused by improper use, negligence, accident or improper use of the user.
● The freight incurred when the product is returned to us.
● Costs incurred by the delivery of product parts during the warranty period.
● Travel expenses for on-site maintenance during the warranty period.

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