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Manufacturers Well Products Equipment Multi-Parameter Water Quality Analyzer
Product Attributes
- After-sales Service
- 24 Hours Online Service
- Warranty
- 1 Year
- Brand
- Nkyf
- Model NO.
- NKYF
- Customized
- Non-Customized
- Portable
- Portable
- Certification
- FCC, CE, RoHS
- Measuring Range
- 10~500mg/L Cod
- Precision
- Indication Error≤±10%
- Working Environment
- Recommended Temperature +5~28°C
- Power Supply
- AC220±10%V, 50±10%Hz, 5A
- Method Basis
- National Standard GB11914-89
- Analog Output
- 4~20mA
- Signal Interface
- RS232/RS485
- Transport Package
- Carton
- Specification
- 150*55*45 cm
- Trademark
- NKYF
- Origin
- Ningxia, China
- Production Capacity
- 1000PCS/Month
Product Images of Manufacturers Well Products Equipment Multi-Parameter Water Quality Analyzer
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Product Description
| Product name | COD cr online automatic detector |
| Measuring range |
10~500mg/L COD |
| Accuracy | Indication error≤±10% |
| Repeatability error |
≤±10% |
| Measurement period | The minimum measurement period is 40min, and the digestion time can be arbitrarily modified within 5~120min according to the actual water sample |
| Maintenance cycle | Generally - once a month, about 30min each time |
| Product Size | Height 1500X Width 550X Depth 450 (mm) |
| Power supply | AC220±10%V, 50±10%Hz, 5A |
| other | Abnormal alarm and power failure will not lose data; touch screen display and command input; After abnormal reset and power failure, the instrument automatically discharges the residual reactant in the device and automatically restores the working state |
A mixture of water sample, potassium dichromate digestion solution, silver sulfate solution (silver sulfate as a catalyst can oxidize linear aliphatic compounds more efficiently), and concentrated sulfuric acid heated to 165°C, the dichromate ion oxidation solution The color of organic matter will change, the analyzer detects the color change, and converts this change into COD value and outputs it. The amount of dichromate ions consumed corresponds to the amount of oxidizable organic matter.

The digestion and colorimetry of the instrument is completed in one body, the structure is simple and reliable, and the possibility of errors is reduced.
Adopt imported modified PTFE transparent hose, the diameter of which is greater than 1.5mm, which reduces the amount of water samples
Particle blockage probability.
It can automatically clean the sampling pipe to prevent the formation of algae or biofilm.
After abnormal reset and power failure, the instrument automatically discharges the residual reactants in the instrument and automatically returns to the working state.
Low failure rate, less maintenance and less reagent consumption.
Intelligent fault self-diagnosis function, alarm prompt, instrument management and maintenance are very convenient.
Using PLC and other control units to reduce environmental interference and equipment failures.
Using multi-channel valve, strong anti-corrosion performance, long service life, safe and reliable.
Water treatment: air scrubber, boiler inlet water, cooling water, thermal power plant water; wastewater: electroplating wastewater, industrial wastewater, heavy metal precipitation.

Ningxia Nuoke Yinfeng Intelligent Technology Co., Ltd.


1.Q:Can I have a sample order to test quality?
A: Yes, we re commend and welcome sample order to test and check before order.
2. Q: Do you offer guarantee for the products?
A: Yes, we offer 1 or 2 years guarantee for the products.
3. Q: If I order big quantity, Can I have a cheaper price?
A: We will reduce the price according to the specific quantity and your requirements for the product.
4.Q: How does your I factory do regarding the quality control?
A: Quality is priority, Our factory has passed ISO 9001 with annual audit.Established a procedure to check products at all stages of the manufacturing process-raw materials, in process materials.validated or tested materials, finished goods.etc.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR269188". Items marked "" are certified.
Company Profile
Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd., a specialized company with a solid 23-year history in gas detection instruments.
Company Overview
Location: Ningxia, China, within a key chemical industry hub.
Experience: 23 years in R&D, production, sales, service, and export of gas detection instruments.
R&D Base: 1, 000 square meters.
Team: 15 professional engineers, 4 production lines, and numerous production/service staff.
Certifications: CE, RoHS, SIL, FCC, IP67, ISO9001.
Products and Services
Portable and fixed gas detectors.
Gas alarm controllers.
Wireless gas detection detectors.
GDS and DCS systems.
Toxic, harmful, flammable, and explosive gas detectors.
Pump-type gas detectors.
Features: All products undergo rigorous testing, calibration, and factory inspection with issued reports.
Applications: Environmental protection, petroleum, chemical industry, shipbuilding, metallurgy, pharmaceuticals, water treatment, food processing, coal.
Export Markets: Products are sold internationally.
Collaboration: Supports retail, wholesale, agency partnerships, and provides OEM/ODM/OBM services.
Strong technical expertise, advanced production processes,
And robust quality management systems underpin its reputation for delivering reliable gas detection solutions worldwide.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Yiyuan Road No. 6, Yinchuan, Ningxia, China
-
Plant Area
- 544 square meters
-
Number of Employees
- 9
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- T/T, PayPal
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Guangzhou, Shenzhen
-
Minimum Order Quantity
- 10 PCS
-
Supply Chain Partners
- 5
Our Production Capability & Technical Expertise
-
Main Products
- Gas Sensor, Gas Detector, Gas Analyzer
-
Production Lines
- 1
-
Production Machines
- Assembling Line, Label Marking Machine, Welding Machine
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Full Customization, Customization from Designs, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-01-13
-
Export Year
- 5 Years
-
Main Markets
- South America, Southeast Asia/ Mideast, Africa
-
Repeat Buyers Choice
- < 10%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Product Certification
- CCC
FAQ
- Can I have a sample order to test quality?
- Yes, we recommend and welcome sample order to test and check before order.
- Do you offer guarantee for the products?
- Yes, we offer 1 or 2 years guarantee for the products.
- If I order big quantity, Can I have a cheaper price?
- We will reduce the price according to the specific quantity and your requirements for the product.
- How does your factory do regarding the quality control?
- Quality is priority, Our factory has passed ISO 9001 with annual audit.Established a procedure to check products at all stages of the manufacturing process-raw materials, in process materials.validated or tested materials, finished goods.etc.
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