User manual HANNA INSTRUMENTS HI 99301

[. . . ] Instruction Manual DISPLAY FUNCTIONAL DESCRIPTION SPECIFICATIONS HI 99300 HI 99301 Range EC 0 to 3999 µS/cm 0. 00 to 20. 00 mS/cm TDS 0 to 2000 ppm (mg/l) 0. 00 to 10. 00 ppt (g/l) Temperature 0. 0 to 60. 0°C / 32. 0 to 140. 0°F Resolution EC 1 µS/cm 0. 01 mS/cm TDS 1 ppm (mg/l) 0. 01 ppt (g/l) Temperature 0. 1°C / 0. 1°F Accuracy (@20°C/68°F) ±2% F. S. (EC/TDS) ±0. 5°C / ±1°F Typical EMC Deviation ±2% F. S. (EC/TDS) / ±0. 5°C / ±1°F Temperature Automatic, from 0 to 60°C Compensation adjustable from 0. 0 to 2. 4%/°C (BETA) Calibration Automatic, single point EC/TDS Factor Selectable from 0. 45 to 1. 00 (CONV) Probe (included) HI 76306 with built-in temperature sensor, DIN connector and 1 m cable Environment 0 to 50°C (32 to 122°F); RH 100% Power Supply 4 alkaline batteries, 1. 5V AAA with BEPS; 500 hours of continuous use Dimensions 143x80x38 mm (5. 6x3. 2x1. 5'') Weight 320 g (11. 3 oz. ) HI 99300 · HI 99301 Portable Instruments for EC/TDS/°C/°F measurements with advanced features HI 99300 and HI 99301 come supplied complete with HI 76306 probe, 4 alkaline batteries (1. 5V AAA), instructions and rugged carrying case. [. . . ] If possible, use plastic beakers or containers to minimize any electromagnetic interference. · Select either EC or TDS mode (µS or ppm unit for HI 99300, mS or ppt unit for HI 99301) by pressing the SET/HOLD button. · Tap the probe lightly on the bottom of the container to remove air bubbles that may be trapped inside the tip. · Allow a few minutes for the thermal equilibrium to be reached, i. e. until the instability symbol (on the top left corner of the LCD) disappears. · The meter will show the EC or TDS value automatically compensated for temperature and the temperature of the sample. · To freeze a reading on the LCD, press and hold the SET/HOLD button until "HOLd" appears on the secondary display. · To turn the meter OFF, press and hold the MODE button while in normal mode. CALIBRATION PROCEDURE · From EC measurement mode, press and hold the MODE button until "CAL" is displayed on the lower LCD. · Release the button and immerse the probe in the proper calibration solution (HI 7031 at 1413 µS/cm for HI 99300 or HI 7030 at 12. 88 mS/cm for HI 99301). · Once the calibration has been automatically performed, the LCD will display OK for 1 second and return to normal measurement mode. · The CAL symbol lights up on the LCD to indicate that the meter is calibrated. Note: Since there is a known relationship between the EC and TDS reading, it is not necessary to calibrate the meter in TDS. If the conversion factor is either 0. 5 or 0. 7, the meter will allow a direct calibration in TDS by using the Hanna calibration solutions. Note: To reset to the default calibration value, press the MODE button after entering the calibration mode. [. . . ] If the battery level is so low as to cause erroneous reading, the Battery Error Preventing System (BEPS) will automatically turn the meter off. To change the batteries, remove the 4 screws located on the back of the meter and carefully replace all the 4 batteries while paying attention to their polarity. Reattach the back making sure that the gasket is in place and tighten the 4 screws to ensure a watertight seal. ACCESSORIES HI 76306 EC/TDS probe with built-in temperature sensor, DIN connector and 1 m cable HI 70030P 12. 88 mS/cm solution, 20 ml sachet (25 pcs) HI 7030M 12. 88 mS/cm solution, 230 ml bottle HI 70031P 1413 µS/cm solution, 20 ml sachet (25 pcs) HI 7031M 1413 µS/cm solution, 230 ml bottle HI 70032P 1382 ppm solution, 20 ml sachet (25 pcs) HI 7032M 1382 ppm solution, 230 ml bottle HI 70442P 1500 ppm solution, 20 ml sachet (25 pcs) HI 70442M 1500 ppm solution, 230 ml bottle HI 70038P 6. 44 ppt solution, 20 ml sachet (25 pcs) HI 7038M 6. 44 ppt solution, 230 ml bottle HI 710007 Shockproof rubber boot, blue color HI 710008 Shockproof rubber boot, orange color [. . . ]