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Shandong Dongrun Instrument Science and Technology Co., Ltd.

Conductivity Meter, Conductivity Sensor, Conductivity Electrode manufacturer / supplier in China, offering Industrial Online Liquid Conductivity Meter, Drft-99 RF Admittance Level Gauge, Easy Install Wireline Float Buoy Level Indicator for Big Size Tank and so on.

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Supplier Homepage Product Conductivity meter/transmitter Industrial Online Liquid Conductivity Meter

Industrial Online Liquid Conductivity Meter

FOB Price: US $300-1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $300-1,000/ Piece
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Port: Yantai, China
Production Capacity: 50000 Pieces/ Year
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: DDG-99
  • Transport Package: Carton
  • Origin: China
  • Trademark: As customer required
  • Specification: 0-20-200-2000us /cm
  • HS Code: 9027809900
Product Description
DDG-99 Intelligent Industrial Conductivity Meter consists of a transmitter and a conductivity sensor, widely used in many industrial process water conductivity detection with high accuracy and precision of measurement, response speed fast, small size, easy installation and maintenance, etc.
Industrial Online Liquid Conductivity Meter      Industrial Online Liquid Conductivity Meter


Scope of application                 
Drinking water detection, boiler water detection, food, beverage
chemical, biopharmaceutical industry
reverse osmosis/ pure water process   
    
Key Feature
1.16 bit high-precision A/D and high-performance microprocessor technology. 

2.HD backlit LCD display, touch keys,while indicating conductivity, temperature, output current, time, status and fault tips, tips medium other parameters. 

3.Built-in real-time clock can record the running curves during a year, can set the year, month, day, hour, minute,can set storage interval, 1min, 10min, 30min.
Measurement history data can be downloaded via U-disk in a timely manner, the instrument off internal settings and data stored for 10 years.
 
4.The measurement range can change automatically. The measurement range of output signal can be set. The conductivity and temperature dual isolated 4~20mA output are optional. RS485 computer communication interface can realize the remote transmission.
 
5.The industrial control watchdog circuit ensures the normal operation of the instrument.
 
6.Automatic temperature compensation, automatic conversion measurement frequency, can be equipped with a variety of structures conductivity cell, flexible installation
 
7.Built-in self-clean control procedure and cleaning relay contact output; The cleaning interval can be set.
 
8.Four-way upper and lower limit alarm signal display, relay contact output, alarm hysteresis can be set.
 
9.Wall-mounted installation; waterproof and dustproof
  Protection grade: IP65
10. Record and query the operation and alarm time at any time.
 
Working Principle
Fixed amplitude and frequency sine wave voltage which generated by the transmitter internal oscillator,is applied to the conductivity electrode, fixed internal oscillation amplitude of the second table generated frequency sine wave voltage plus the conductivity electrode , resulting in a solution conductivity is proportional to the measured current signal , then converted to a voltage signal, the phase-sensitive detector to eliminate electrode and the equivalent capacitance of the cable affected by single-chip temperature compensation procedures, showing that the conductivity value of the solution at 25 ºC and 4-20MA isolated current output signal and RS485 communication signals correspond .
 
Specification
 
Operating conditiona. Ambient temperature: 0~40 ºC
b. Relative humidity: ≤85%
c. No strong vibration, no strong magnetic field disturbance
d.   Power supply: 220VAC±10% 50±5Hz
e. Medium temperature: 0~80ºC
f. medium pressure: ≤0.5MPa
Measurement range0-0.2-2-20μs/cm (K=0.01cm-1 )
0-2-20-200μs/cm(K=0.1cm-1  )
0-20-200-2000μs /cm(K=1cm-1)
The measurement ranges shift automatically.
ResolutionConductivity: 0.001μs/cm; temperature: 0.1ºC
AccuracyConductivity: ±1% F.S
Temperature: ±0.5ºC
Clock: ±1min/month
Repeatabilitya. conductivity: ±0.5% FS
b. temperature: 0.2 ºC
Stability±0.5% F.S/24h
OutputCurrent: two-way isolated 4-20mA at most; Relative conductivity or
temperature can be selected. The maximum load is 500Ω; Accuracy:±0.5%
Control: 4 adjustable alarm relay contact, 1 cleaning relay contact (22VAC, 3A)
Communication: RS485 computer communication interface signal; address
and baud rate can be selected
Data continuous power-off
save time
 10 years
Automatic temperature
compensation range
 0~120ºC  ( base on 25ºC )
Protection grade IP65
Installation method wall-mounted, panel-mounted
Dimension1.Panel-mounted: 96 ×96×119mm
Opening size: 92×92mm
2.Wall-mounted: 234mm×185mm×118mm(L×W×H)

Company Information  Industrial Online Liquid Conductivity Meter 
Shandong Dongrun Instrument Science and Technology 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.

We are manufacturer in china for online water analyzer and level transmitter, pressure transmitter , level sensor since 1998, our product  have been exported to  Iran, India,  Australia,  Philippines , Indonesia , Malaysia, Italy , Chile, Hungary , Brazil, Colombia, South Africa, Canada , Ireland, New Zealand, Russia , Belarus, Israel, etc. have good quality and competitive price. 


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Industrial Online Liquid Conductivity Meter
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