multi-purpose testing pen use:

before use, please unplug the electrode protective sleeve;

you press the key, the electrode into the solution to be tested;

to be numerically stable, press the HOLD key to take readings can be ;

readings after you press the key, will wipe clean the electrode, the electrode protection is sheathed in can;

features

lock function: easy to read and record instrument will lock the readings;

5 minutes automatic shutdown function, the battery will not leak;

measuring range:

conductivity: 0 - 9990Ous/cm

TDS:0-5000ppm: 0.1 - 80 degrees Celsius

: 32 - 176 degrees Fahrenheit

accuracy: + 2%

net weight: 55g

size: 154 x 30 x 14 (mm)

TDS& electrical switching

instrument factory shows that the value of TDS, to measure the conductivity of solution, please gently touch the SHIFT button, the instrument automatically switch;

automatic temperature compensation instrument in the measurement mode, with automatic temperature compensation function;

temperature switch

2 consecutive touch keys SHIFT degrees Celsius or Fahrenheit Conversion instrument factory default degrees;

maintenance

keep the electrode clean, covered electrode protective sleeve, for long time, remove the battery.