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

Conductivity Analyzer