Main feature of  Free maintenance chlorine comparator test kit 
Menu: Design focus on object for easy operation and not need to learn.
Multi-screen display : it show chlorine, ph, tempearture and time at same one screen.
Chlorine calibration : It provide chlorine zero and slope calibration with clear menu.
Digital clock :Timer function

Output: 4-20mA,2 relays output and RS485.
Meter stability :The function of E-DOG Make sure working persistent normally .

YLG-2058 Residual Chlorine Controller

YLG-2508-01 Residual Chlorine Electrode 

CL-2059A Residual Chlorine  Meter

CL-2059-01 Residual Chlorine Sensor 

 Features of Online Free Residual Total Chlorine CL2 Analyzer

1) DPD Colormetric principle

2) It can keep working more 30 days without changing reagent.

3) 2 relays, user can set it by self.

4) Low range and accracy .

5) Widely used for drinking ,cycle cooling water, Municipal water pipe network  etc.

BOQU was found since 2007, now has more 100 production,R&D engineers, instruments has be exported to over 75 countires.,Now BOQU has been named as High-Tech Enterprice by goverment,ISO,CE, SGS is our common certicates. the core technology of electrode ,controller and 50+ software property is our based. all instruments has been recognized by National Metrology Bureau.there is many small factories in China, you should be carefully if they provide you very low price. this is tips for you in free.

Application of Free maintenance chlorine comparator test kit

1)Continuous online monitoring for residual chlorine in any water
2)Water treatment plant residual chlorine dosing control
3)Secondary chlorination free chlorine dosing control
4) Distribution monitoring
5)Cooling tower monitoring and control
6)Pasteuriser dosing control
7)Seawater chlorination control
8)Bromine monitoring in seawater
9)Food washing
10)Chloramination control 

The BOQU Instrument is a young, energetic and professional team. We will continue to focus on R&D and manufacturing of high-end water quality monitoring instruments and sensors.we keep to create benefits for our customers,We work hard for the material and spiritual aspects of all employees,and contribute to the progress and development of humanity. forever to guard the earth's water quality.

BOQU Instrument only focus on development and production Water Quality Sensors and Analyzers since found, now staff is over 100 people and with an annual growth rate of 35%. we have  own R & D center,many senior engineers has over 10 years R&D experience in water quality anlyzers and water quality sensors.Now our company has got more than 50 technical certificates for controller software and 23 technical patents,therefore we won the National High-tech Enterprise Certificate in 2010. At present, the annual quantity of water quality sensors and meters is over 100,000pcs, it’s the biggest factory in Shanghai.

Why choose BOQU Instrument of Free maintenance chlorine comparator test kit ?

1.National High-tech Enterprises Certificates

2.Instruments has been exported to over 70 countries.

3.BOQU has more 50+ Softwares property

4.100% QC inspection Before Shippment.

5. ISO,CE,SGS standard and factory price.

6.All instruments has been 100% recognized by Bureau of National  Metrology