User manual HANNA INSTRUMENTS HI 4321

[. . . ] Instruction Manual HI 4321 Conductivity/Resistivity/TDS/Salinity/ Temperature Bench Meter w w w. c o m 1 Dear Customer, Thank you for choosing a Hanna Instruments product. This manual will provide you with the necessary information for correct use of the instrument. Please read this instruction manual carefully before using the instrument. [. . . ] or to highlight the to and use · Press desired option. · Press to confirm your selection or press cancel operation. Alarm Limits This option allows the user to set the alarm limits for the measured value. Note: The alarm high value cannot be lower than the alarm low value. To set the alarm limits: · Highlight the Alarm Limits option and then press · Use then press or · Use alarm value. to increase / decrease the selected . to select the low / high alarm limit and to return to the Alarm options. 33 Resistivity SETUP The Resistivity Setup menu allows the user to set the parameters related to the resistivity measurements. Accessing Resistivity Setup · Press while in Measure mode and then select resistivity range. to and then to access Resistivity Setup · Press menu. To access a Resistivity Setup option: · Use · Press or to select the desired option. to confirm your selection. The following is a description of the Resistivity Setup option screens. Profile - see Conductivity Setup section. Reading Mode This option allows the user to select between Direct and Direct/AutoHold resistivity reading modes. To set the Reading Mode: · Use or to select the Reading Mode option. or to highlight the to and use · Press desired option. to confirm your selection or press · Press cancel operation. 34 Temperature - see Conductivity Setup section. Units The user can choose between Ohm, KOhm, MOhm, AutoRanging measuring modes. To select the units: · Use or to highlight the Units option. · Press to confirm and then use to highlight the desired unit. · Press to confirm or press Sample ID - see Conductivity Setup section. Alarm - see Conductivity Setup section. 35 TDS SETUP The TDS Setup menu allows the user to set the parameters related to the TDS measurement. Accessing TDS Setup · Press while in Measure mode and then select TDS range. · Press · Use and then or To access a TDS Setup option: to highlight the desired option. · Press The following is a description of the TDS Setup option screens. Profile - see Conductivity Setup section. Reading Mode - see Resistivity Setup section. [. . . ] Visualize the error (by pressing "Yes" key). Contact your vendor if critical error occurs. Initialization error. 57 ACCESSORIES CONDUCTIVITY BUFFER SOLUTIONS HI 70033P 84 µS/cm (µmho/cm), 20 mL sachets (25 pcs. ) HI 7033M 84 µS/cm (µmho/cm), 230 mL bottle HI 7033L 84 µS/cm (µmho/cm), 500 mL bottle HI 8033L 84 µS/cm (µmho/cm), 500 mL FDA approved bottle HI 70031P 1413 µS/cm (µmho/cm), 20 mL sachets (25 pcs. ) HI 7031M 1413 µS/cm (µmho/cm), 230 mL bottle HI 7031L 1413 µS/cm (µmho/cm), 500 mL bottle HI 8031L 1413 µS/cm (µmho/cm), 500 mL FDA approved bottle HI 70039P 5000 µS/cm (µmho/cm), 20 mL sachets (25 pcs. ) HI 7039M 5000 µS/cm (µmho/cm), 230 mL bottle HI 7039L 5000 µS/cm (µmho/cm), 500 mL bottle HI 8039L 5000 µS/cm (µmho/cm), 500 mL FDA approved bottle HI 70030P 12880 µS/cm (µmho/cm), 20 mL sachets (25 pcs. ) HI 7030M 12880 µS/cm (µmho/cm), 230 mL bottle HI 7030L 12880 µS/cm (µmho/cm), 500 mL bottle HI 8030L 12880 µS/cm (µmho/cm), 500 mL FDA approved bottle HI 7034M 80000 µS/cm (µmho/cm), 230 mL bottle HI 7034L 80000 µS/cm (µmho/cm), 500 mL bottle HI 8034L 80000 µS/cm (µmho/cm), 500 mL FDA approved bottle HI 7035M 111800 µS/cm (µmho/cm), 230 mL bottle HI 7035L 111800 µS/cm (µmho/cm), 500 mL bottle HI 8035L 111800 µS/cm (µmho/cm), 500 mL FDA approved bottle HI 7037L 100% NaCl sea water standard solution, 500 mL PROBE CLEANING SOLUTIONS HI 7061M General Cleaning Solution, 230 mL bottle HI 8061M General Cleaning Solution, 230 mL FDA approved bottle HI 7061L General Cleaning Solution, 500 mL bottle HI 8061L General Cleaning Solution, 500 mL FDA approved bottle OTHER ACCESSORIES HI 76312 Platinum 4-ring Conductivity/TDS probe with temperature sensor and 1 m (3. 3') cable HI 7662-T Temperature probe with 1 m (3. 3') cable HI 710005/8 12VDC voltage adapter from 115 Vac to 12 Vdc (US plug) HI 710006/8 12VDC voltage adapter from 230 Vac to 12 Vdc (European plug) HI 76404N Electrode holder HI 920010 9 to 9-pin RS232 cable HI 92000 Windows® compatible software 58 RECOMMENDATIONS FOR USERS Before using these products, make sure they are entirely suitable for the environment in which they are used. Operation of these instruments in residential areas could cause unacceptable interferences to radio and TV equipment, requiring the operator to follow all necessary steps to correct interferences. The glass bulb at the end of the pH electrode is sensitive to electrostatic discharges. [. . . ]