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. [. . . ] to choose from to to confirm your selection or press · Press cancel operation. Logging Data Configuration This option allows the user to select the parameters that accompany a logged value: Date/Time, Calibration Data, Sample ID, Instrument ID, Operator ID, Company Name, Aditional Info 1 and Aditional Info 2. To customise the logging data configuration: or to highlight the Logging Data · Use Configuration option. and then use or to enable · Press the parameter by selecting Yes or to disable it by selecting No for each option. · Press 31 Sampling Period This option allows the user to select the desired sampling period for automatic logging. To set the sampling period: or to highlight the Sampling Period option. · Use and use or · Press desired option from 1, 2, 5, 10, 30 seconds. to select the to New Lot Accessing this option, the new manually logged readings will be put in a new log lot. · Use · Press · Press to generate a new manual lot. to confirm or press to escape without saving and return to the Log options. Note: The New Lot option is available only for manual logging. 32 Alarm This option allows the user to define two alarm limits for the measurements. Alarm State The following options are available: Disabled ­ the alarm will be disabled. Inside Limits ­ the alarm will notify the user when the measured value is inside the preset limits. Outside Limits ­ the alarm will notify the user when the measured value is outside the preset limits. To set the alarm state: · Use or to highlight the Alarm State option. 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. 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 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. [. . . ] Make sure that your instrument is switched off and then plug one connector to the instrument RS232 socket and the other one to the serial port of your PC. In this case, communication between instrument and PC may not be possible. If choosing the USB serial interface, use a standard USB cable to connect your instrument to the PC. For both serial interfaces, make sure that the instrument and the HI 92000 software have the same baud rate and the appropriate communication port. PROBE CONDITIONING & MAINTENANCE MEASURE Rinse the conductivity probe with distilled water. [. . . ]