User manual HANNA INSTRUMENTS HI 96304

[. . . ] Dear Customer, Thank you for choosing a Hanna product. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] Readings are automatically compensated for temperature variations. · The value on the display has to be multiplied by a factor of 10 for DiST1 & DiST3 and by a factor of 100 for DiST2 & DiST4 (as shown on the upper left corner of the LCD) to give direct reading in ppm or µS/cm. BATTERY REPLACEMENT When the meter cannot be switched on or the display fades, pull out the battery compartment and replace all four 1. 5V batteries, while paying attention to their polarity. Batteries should only be replaced in a safe area using the battery type specified in this instruction manual. Recommendations for users Before using these products, make sure that they are entirely suitable for the environment in which they are used. Operation of these instruments in residential areas could cause interference to radio and TV equipment. The pins at the end of the sensor are sensitive to electrostatic discharges. Avoid touching this metal band at all times. Any variation introduced by the user to the supplied equipment may degrade the instrument's EMC performance. To avoid electrical shock, do not use this instrument when voltages at the measurement surface exceed 24 Vac or 60 Vdc. To avoid damage or burns, do not perform any measurement in microwave ovens. WARRANTY These meters are guaranteed for six months against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. This warranty is limited to repair or replacement free of charge. Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered. [. . . ] · Allow the reading to stabilize and using a small screwdriver adjust the calibration trimmer to match the solution value. calibrating DiST1 with HI70032P solution, turn the trimmer to read "138" (x10 = 1380 ppm). [. . . ]