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TDS-139A/B TDS Tester
Product description:
TDS meter is English "Total Dissolved Solid" acronym, meaning that the total dissolved solids, total dissolved solids is dissolved in water and organic salts in general. Its main ingredients are calcium, magnesium, sodium, potassium ions and carbonate ions, hydrogen ions, chloride ions, sulfate ions and nitrate ions. Therefore, the total dissolved solids TDS meter is the tester. TDS meter unit is ppm (ie mg / L), which is defined as a ratio of the number value of the conductivity, and generally about 0.7. TDS meter automatic temperature compensated reference temperature is generally 25 ºC, the temperature coefficient is generally 2% / ºC.
TDS-139A TDS meter waterproof, waterproof grade IP55
TDS-139B TDS meter, can be wall-mounted or embedded, easy installation, operation and maintenance. AC and DC.
Technical Specification:
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Model |
TDS-139A |
TDS-139B |
|
Measuring range |
0~1999ppm |
|
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Accuracy |
±2℅F·S |
|
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Resolution |
1ppm |
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Display |
4-digital LCD |
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Environment |
Humidity:≤95℅ |
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Automatic Temperature Compensation |
0ºC~50ºC |
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Battery Type |
4×1.5V(AG13) |
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Dimensions |
165mm×26mm×26mm |
60mm×55mm×23mm |
|
Weight |
63g |
60g |
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