General-tools-and-instruments PWM301 Manuel d'utilisateur

4-3 Data Hold1)During the measurement, press the " Hold Button "( 3-4, Fig. 1 ) momentarily to hold the measuredvalue. The LCD will show a

5. ZERO ADJUSTMENTPower ON the meter and do not make the measurement,if the display exist certain value ( not zero ), then it canaccording the follow

1. FEATURES*The quality of the water is getting much more concerned by the human being and it also an important factor in theindustrial sectors, labor

* Build in temperature sensor, ATC ( auto temperaturecompensation ).* IP67, water proof and protection.* Data hold function for freezing the desired v

Operating 0 to 50 ( 32 to 140 ).℃℉TemperatureOperating Less than 80% RH.HumidityPower Supply DC 1.5V battery ( UM-4/AAA ) x 4 PCs.Power Approx.

3. FRONT PANEL DESCRIPTION3-1 Battery compartment/Cover3-2 Display3-3 Power Button3-4 Hold Button3-5 REC Button3-6 Conductivity Electrode3-7 Protectio

4. MEASURING PROCEDURE4-1 Check the water's conductivity (water condition)1)Turn on the meter by pressing the " Power Button "( 3-3, F

3)a. If the water is pure, then the meter will display the lowconductivity values, typically. For example the distillwater conductivity value will a

3)Secondary check the reading values ( uS ) for the waterthat already make the treatment ( after the FILTER ), ref. Fig. 4.Fig. 44)If the water qualit