DDG-2080X Industrial Conductivity&TDS&Salinity&Resistivity Meter

Short Description:

★ Multiple function: conductivity, TDS, Salinity, Resistivity, Temp
★ Features: Automatic temperature compensation, high price-performance ratio
★Application: waste water treatment, pharmaceutical, fermentation, pure water,


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Product Detail

Technical Indexes

What is Conductivity?

Manual

Functions

EC

Resistivity

Salinity

TDS

Measuring range

0.00uS-2000mS

0.00-20.00 MΩ-CM

0.00-78.00

g/Kg

0-133000

ppm

Resolution

0.01/0.1/1

0.01

0.01

1

Accuracy

±1%F.S.

±1%F.S.

±1%F.S.

±1%F.S.

Temp. compensation

Pt 1000/NTC30K

Temp. range

-10.0 to +130.0℃

Temp. compensation range

-10.0 to +130.0℃

Temp. resolution

0.1℃

Temp. accuracy

±0.2℃

Cell constant

0.001 to 20.000

Ambient temperature range

0 to +70℃

Storage temp. 

-20 to +70℃

Display

Back light, dot matrix

EC current output1

Isolated, 4 to 20mA output , max. load 500Ω

Temp. current output 2

Isolated, 4 to 20mA output , max. load 500Ω

Current output accuracy

±0.05 mA

RS485

Mod bus RTU protocol

Baud rate

9600/19200/38400

Maximum relay contacts capacity

5A/250VAC,5A/30VDC

Cleaning setting

ON: 1 to 1000 seconds, OFF: 0.1 to 1000.0 hours

One multi function relay

clean/period alarm/error alarm

Relay delay

0-120 seconds

Data logging capacity

500,000

Language selection

English/traditional Chinese/simplified Chinese

Waterproof grade

IP65

Power supply

From 90 to 260 VAC, power consumption < 5 watts

Installation

panel/wall/pipe installation

Weight

0.85Kg


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  • Functions EC Resistivity Salinity TDS
    Measuring range 0.00uS-2000mS 0.00-20.00 MΩ-CM 0.00-78.00 g/Kg 0-133000 ppm
    Resolution 0.01/0.1/1 0.01 0.01 1
    Accuracy ±1%F.S. ±1%F.S. ±1%F.S. ±1%F.S.
    Temp. compensation Pt 1000/NTC30K
    Temp. compensation range -10.0 to +130.0℃
    Temp. Resolution and accuracy 0.1℃,±0.2℃
    Storage temp. -20 to +70℃
    Display Back light, dot matrix
    EC current output1 Isolated, 4 to 20mA output , max. load 500Ω
    Temp. current output 2 Isolated, 4 to 20mA output , max. load 500Ω
    RS485 Mod bus RTU protocol
    Baud rate 9600/19200/38400
    Maximum relay contacts capacity 5A/250VAC,5A/30VDC
    Cleaning setting ON: 1 to 1000 seconds, OFF: 0.1 to 1000.0 hours
    One multi function relay clean/period alarm/error alarm
    Relay delay 0-120 seconds
    Data logging capacity 500,000

    Conductivity is a measure of water’s capability to pass electrical flow. This ability is directly related to the concentration of ions in the water
    1. These conductive ions come from dissolved salts and inorganic materials such as alkalis, chlorides, sulfides and carbonate compounds
    2. Compounds that dissolve into ions are also known as electrolytes 40. The more ions that are present, the higher the conductivity of water. Likewise, the fewer ions that are in the water, the less conductive it is. Distilled or deionized water can act as an insulator due to its very low (if not negligible) conductivity value 2. Sea water, on the other hand, has a very high conductivity.

    Ions conduct electricity due to their positive and negative charges
    When electrolytes dissolve in water, they split into positively charged (cation) and negatively charged (anion) particles. As the dissolved substances split in water, the concentrations of each positive and negative charge remain equal. This means that even though the conductivity of water increases with added ions, it remains electrically neutral 2

    DDG-2080X User Manual

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