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TPI 390 Digital Salt/TDS-Meter

Operation Manual

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Summary of Contents for 390

Page 1: ...TPI 390 Digital Salt TDS Meter Operation Manual ...

Page 2: ...r and humidifier reservoirs to prevent bacterial growth and drain line corrosion Reduce water and chemical consumption in boilers and cooling towers Test TDS levels in make up water to prevent scale formation corrosion and embrittlement Determine when to perform blowdown and add make up water Prevent contamination and corrosion of control valves heat exchangers and steam traps Verify automated TDS...

Page 3: ...chemicals such as acetone or benzene may cause deterioration of the housing material ABS or cause the device to not work properly Never attempt to disassemble or modify this product If the sensor is exposed to temperatures below 0 32 F or above 100 212 F for an extended period of time damage may occur Please wash the sensor using a neutral detergent and soft cloth or sponge before and after use Af...

Page 4: ...2 Product Description ...

Page 5: ...n TDS ppm mg L or Temp When the power is turned on the default mode is the temperature mode Hold CAL button Used to freeze the measured value during a test perform Auto Calibration or switch between Celsius and Fahrenheit C F Please refer to section 5 and 6 for detailed instructions After viewing measurement press again to clear LCD screen and start another test Changing Between C F 1 C F 1 Press ...

Page 6: ...rs when measurement range 0 00 5 or measurement temperature range 0 C 70 C is exceeded upon the measurement of salt concentration When replacement of the battery button type is needed LCD Display Salt concentration 1 Salt concentration under 0 1 2 Salt concentration above 0 1 but under 0 4 3 Salt concentration above 0 4 but under 0 7 4 Salt concentration above 0 7 but under 0 9 5 Salt concentratio...

Page 7: ...nt temperature 10 40 50 104 Measurement temperature range 0 70 32 158 Temperature measurement Measurement range 0 100 32 212 Measurement accuracy 1 temperature range 0 70 of reading Resolution 20 Salt measurement 0 01 0 1 TDS 1ppm mg L Power Supply LR44 Button Battery x 3 pcs Battery life About 1 month based on 10 uses per day Size 16 4 D 32 H 255 W mm 0 7 1 3 10 0 Weight About 57g 2oz including b...

Page 8: ...alt concentration measurement mode 2 Allow the reading to stabilize and confirm the measured salt concentration Push the mode switch again to display the TDS ppm mg L Pushing the HOLD CAL switch will freeze the display and HOLD appears on the display Remove the salt meter from the sample and after confirming the measured value press the HOLD CAL switch to deactivate display hold 3 Wash the sensor ...

Page 9: ...atteries Replace batteries Contamination of sensor part Wash the sensor part with neutral detergent and rinse fully with water Wipe it softly with a dry cloth and tissue Unstable readings 8 Calibration Salt Concentration Calibration is only needed when measurements become abnormal 1 Press the Power button ON OFF 2 Press the MODE button Put the sensor into 2 NaCL calibration solution Make sure the ...

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