User manual HANNA INSTRUMENTS HI 983311

[. . . ] SPECIFICATIONS Range Resolution Accuracy (@20°C) Typical EMC Deviation TDS Factor Calibration Battery Type Battery Life Auto-off Environment Dimensions Weight 0 to 3999 µS/cm / 0 to 2000 ppm 0. 0 to 60. 0°C 1 µS/cm / 1 ppm / 0. 1°C ±2% f. s. (EC/TDS) ±1°C 0. 5 or 0. 7 (two options available upon request) factory calibrated 2 x 1. 5V AAA approx. [. . . ] When batteries need to be replaced, simply remove the two screws on the bottom cover and replace the two 1. 5V AAA batteries with new ones, while paying attention to the correct polarity. Battery replacement must only take place in a non-hazardous area and using two 1. 5V AAA alkaline batteries. · OPERATIONAL GUIDE · To switch the meter on, press the ON button. All the used segments on the LCD will be visible for a few seconds, followed by a percent indication of the remaining battery life (e. g. · Immerse the probe in the solution to be tested, while paying attention to the minimum immersion level marked on the meter shaft. · The reading is stable when the hourglass symbol on the LCD disappears. · The EC (or TDS) value is shown on the primary LCD, while the secondary LCD displays the temperature of the sample. The ATC symbol on the LCD means that measurements are Automatically Temperature Compensated. · To freeze the display, press the SET/HOLD button until HOLD appears on the secondary LCD. · The meter will automatically switch off after 8 minutes of non-use. Note: The CAL symbol on the LCD means that the meter has been calibrated. · · Warranty All Hanna Instruments meters are warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered. [. . . ] To avoid electrical shocks, do not use this instrument when voltage at the measurement surface exceeds 24 Vac or 60 Vdc. To avoid damage or burns, do not perform any measurement in microwave ovens. [. . . ]