Company Introduction                                    

Yantai dongrun Instrument Co., Ltd. was founded in 1998, specializes in manufacturing online water quality analysis equipment, material level meters, pressure gauges, flow meters, special temperature gauges and laboratory analysis equipment. Our company cooperate with the Chinese Academy of Sciences to build a water analysis laboratory, and the main products are TOC analyzer, ammonia analyzer, fluorescence oxygen analyzer, etc. We have passed the ISO9001 certification and has a professional R & D team, providing technical support to meet customer demand, particularly in the anti-corrosion, our company has a unique technology to meet different conditions of corrosion requirements. 

Product Introduction        

I overview

 Two-wire conductivity transmitter is an integrated integrated two-wire instrument that can be used to detect the conductivity of drinking water, food and beverage, chemical, boiler water, pharmaceutical, reverse osmosis, pure water and other industries in a body of water, economical and practical, easy to install and use

II Feature

1. Integrative structure, local display or remote, simple to use, reliable in performance

2.4-20mA output, achieve two-wire transmission

3. a variety of installation structural form, convenient and flexible, can satisfy the needs of different users

4.good load, strong anti-interference ability, two different electrodes, can satisfy the different needs of users. Long transmission distance, up to 1000 meters

5.With reverse polarity protection, surge voltage protection and overload protection function

III Technology parameter

1.Power supply:24VDC(22~32V)

2.Electrode: Platinum electrode electrode constant has two kinds of 0.1, 1.  Protecting tube is made of stainless steel, ABS or PP

       Stainless steel combination electrode, the structure is strong, can be repeated washing, two electrode constant is 0.01 and0. 1

3 Operating temperature:-10~60°C

4 ambient temperature:-10~60°C

5Temperature compensation: automatic compensation mode

6.Medium pressure: standard value <0.6MPa

7.Measurement range:  Stainless steel electrode:0~0.1~20μs/cm, k=0.01

                                            0~1~200μs/cm, k=0.11

                    Platinum electrode :0~1~200μs/cm, k=0.1

                                        0~10~2000μs/cm, k=1

8.Output:4~20mA

9.Accuracy:±2%F.S.

10.Drifting:≤0.5%FS/24h

11.Load 0~500Ω(with LCD gauge outfit 0~250Ω)

12.Response time: about 0.4s,When power outages, the instantaneous time for output is 0.2s

13.Shell Protection:IP65

14. Leading in the feeder cable: the ordinary cable diameter greater than φ8 mm, no shielding requirements, remote transmission distance up to 1000 meters

Company and trade show        

You are welcome to contact us for more information! 

If you have any question, Pls Contact Me! 

edith sun 

skype: dongrun01

Mob:  8613793523708