Product Details

ISO approved LCD display online conductivity meter electrode

Product Introduction

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. Drinking water detection, boiler water detection, food, beverage, chemical, biopharmaceutical industry reverse osmosis/ pure water process.

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.

4.Measurement history data can be downloaded via U-disk in a timely manner, the instrument off internal settings and data stored for 10 years.

5.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.

6.The industrial control watchdog circuit ensures the normal operation of the instrument.

7. Automatic temperature compensation, automatic conversion measurement frequency, can be equipped with a variety of structures conductivity cell, flexible installation

8.Built-in self-clean control procedure and cleaning relay contact output; The cleaning interval can be set.

9.Four-way upper and lower limit alarm signal display, relay contact output, alarm hysteresis can be set.

10.Wall-mounted installation; waterproof and dustproof

11.Protection grade: IP65

12. Record and query the operation and alarm time at any time.

Technical Parameter

Operating condition	a. Ambient temperature: 0~40 b. Relative humidity: ≤85% c. No strong vibration, no strong magnetic field disturbance d. Power supply: 220VAC±10% 50±5Hz e. Medium temperature: 0~80 f. medium pressure: ≤0.5MPa
Measurement range	0-0.2-2-20μs/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
Resolution	Conductivity: 0.001μs/cm; temperature: 0.1
Accuracy	Conductivity: ±1% F.S Temperature: ±0.5 Clock: ±1min/month
Repeatability	a. conductivity: ±0.5% FS b. temperature: 0.2
Stability	±0.5% F.S/24h
Output	Current: 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	0~120 ( base on 25 )
Protection grade	IP65
Installation method	wall-mounted, panel-mounted
Dimension	1.Panel-mounted: 96 ×96×119mm Opening size: 92×92mm 2.Wall-mounted: 210mm×185mm×105mm(H×W×L)

Application

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