User manual HANNA INSTRUMENTS HI 4421

[. . . ] Instruction Manual HI 4421 DO/BOD/OUR/SOUR/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. [. . . ] 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. 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. 28 BOD SETUP The BOD Setup menu allows the user to set the parameters related to the resistivity measurements. Accessing BOD Setup · Press while in Measure mode and then select resistivity range. · Press · Use · Press and then or To access a BOD Setup option: to select the desired option. to to access BOD Setup menu. The following is a description of the Resistivity Setup option screens. Temperature Units - see DO Setup section. Measurement Unit - see DO Setup section. Method Configuration This option allows the user to edit the BOD method configuration. To edit the options: · Highlight the Method Configuration option and then press . · Press or to increase / decrease the parameter or to select the parameter and then press to return to the previous screen. 29 Barometer - see DO Setup section. Alarm - see DO Setup section. 30 OUR SETUP The OUR Setup menu allows the user to set the parameters related to the OUR measurement. Accessing OUR Setup · Press while in Measure mode and then select OUR range. · Press · Use and then or To access a OUR Setup option: to highlight the desired option. · Press The following is a description of the OUR Setup option screens. Temperature Units - see DO Setup section. Method Configuration This option allows the user to edit the OUR method configuration. [. . . ] Restart the instrument using the power switch. If the error persists contact your vendor. Visualize the error (by pressing "Yes" key). Contact your vendor if critical error occurs. Initialization error. 53 ACCESSORIES HI 7040M HI 7040L HI 7041S Zero Oxygen Solution, 230 mL Zero Oxygen Solution, 500 mL Refilling Electrolyte Solution, 30 mL PROBE CLEANING SOLUTIONS HI 7061M General Cleaning Solution, 230 mL bottle HI 7061L General Cleaning Solution, 500 mL bottle HI 8061M General Cleaning Solution, 230 mL FDA approved bottle HI 8061L General Cleaning Solution, 500 mL FDA approved bottle OTHER ACCESSORIES HI HI HI HI HI HI 76408 76407A/P 710005/8 710006/8 920010 92000 DO probe for laboratory use with built-in temperature sensor 5 spare membranes 12Vdc voltage adapter (US plug) 12Vdc voltage adapter (European plug) 9 to 9-pin RS232 cable Windows® compatible software 54 RECOMMENDATIONS FOR USERS Before using these products, make sure they are entirely suitable for the environment in which they are used. [. . . ]