Lutron Electronics PWA-301 Operation Manual
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Lutron Electronics PWA-301 Operation Manual

Lutron Electronics PWA-301 Operation Manual

Pure water meter
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  • Page 3 1. FEATURES * The quality of the water is getting much more concerned by the human being and it also an important factor in the industrial sectors, laboratories or other fields. * In industrial sectors, it would be a great help for the quality of the products if using the good water ( more pure water ) in the process.

  • Page 4: Specifications

    * Build in temperature sensor, ATC ( auto temperature compensation ). * IP67, water proof and protection. * Data hold function for freezing the desired value. * Auto power off to save the battery life. * Records max. and min. value with recall. * Microcomputer circuit, intelligent function, high accuracy.
  • Page 5 Operating 0 to 50 ( 32 to 140 ℃ ℉ Temperature Operating Less than 80% RH. Humidity Power Supply DC 1.5V battery ( UM-4/AAA ) x 4 PCs. Power Approx. 5.7 mA. Consumption Dimension 190 x 40 x 40 mm ( 7.5 x 1.6 x 1.6 inch ).

  • Page 6: Front Panel Description

    3. FRONT PANEL DESCRIPTION 3-1 Battery compartment/Cover 3-2 Display 3-3 Power Button 3-4 Hold Button 3-5 REC Button 3-6 Conductivity Electrode 3-7 Protection Cover...

  • Page 7: Measuring Procedure

    4. MEASURING PROCEDURE 4-1 Check the water's conductivity (water condition) 1) Turn on the meter by pressing the " Power Button " ( 3-3, Fig. 1 ) momentarily. * Press the " Power Button " ( 3-3, Fig. 1 ) momentarily again will turn off the meter.
  • Page 8 3) a. If the water is pure, then the meter will display the low conductivity values, typically. For example the distill water conductivity value will approx. less than 10 uS. b. If the water contain the impurity, then the meter will show the high conductivity typically.
  • Page 9 3) Secondary check the reading values ( uS ) for the water that already make the treatment ( after the FILTER ), ref. Fig. 4. Fig. 4 4) If the water quality already be improved, then the reading values should be change with a certain values, other wise the FILTER is dirty or not under the normal condition.

  • Page 10: Data Hold

    4-3 Data Hold 1) During the measurement, press the " Hold Button " ( 3-4, Fig. 1 ) momentarily to hold the measured value. The LCD will show a " HOLD " symbol. 2) Press the " Hold Button " once again to release the data hold function.

  • Page 11: Zero Adjustment

    5. ZERO ADJUSTMENT Power ON the meter and do not make the measurement, if the display exist certain value ( not zero ), then it can according the following procedures to make the Zero Adjustment : 1) Power Off the meter, press the " Hold Button " ( 3-4, Fig.

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