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Manual abstract: user guide HANNA INSTRUMENTS HI 3221
Detailed instructions for use are in the User's Guide.
[. . . ] Instruction Manual
HI 3220 HI 3221 HI 3222
Calibration Check pH/mV/ISE/Temperature Bench Meters
w w w. c o m
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Dear Customer, Thank you for choosing a Hanna Instruments product. Please read this instruction manual carefully before using the instruments. This manual will provide you with the necessary information for correct use of the instruments, as well as a precise idea of their versatility. [. . . ] The real time clock is reset every time the instrument is calibrated and the "expired calibration" status is triggered when the instrument detects a calibration time out. The "CAL" "DUE" warning will start blinking to warn the user that the instrument should be recalibrated. The calibration time out can be set (see SETUP for details, page 31) from 1 to 7 days or can be disabled. For example, if a 4 days time out has been selected, the instrument will issue the alarm exactly 4 days after the last calibration. However, if at any moment the expiration value is changed (e. g. to 5 days), then the alarm will be immediately recalculated and appear 5 days after the last calibration. Notes: · When the instrument is not calibrated or calibration is cleared (default values loaded) there is no "expired calibration", and the display always shows the "CAL" "DUE" warning blinking. · When an abnormal condition in the RTC (Real Time Clock) is detected, the instrument forces the "expired calibration" status. LAST pH CALIBRATION DATA The last pH calibration data is stored automatically after a successful calibration. To view the pH calibration data, press GLP function key when the instrument is in the pH measurement mode. If GLP function key is not displayed press MENU key.
The instrument will display a lot of data including calibration buffer, offset, slope, electrode condition. Note: Buffers displayed in video inverse mode are from previous calibrations. The custom buffers are marked with an "*" on the right side of the buffer value. "No user calibration" message is displayed if all calibration are cleared or the instrument was not calibrated in the pH range. 29
LAST RELATIVE mV CALIBRATION DATA Last Relative mV calibration data is stored automatically after a successful calibration. To view the Relative mV calibration data, press GLP key while in Relative mV measurement mode. The instrument will display the Relative mV GLP information: calibration date, time and offset.
LAST ISE CALIBRATION DATA Last ISE calibration data is stored automatically after a successful calibration. To view the ISE calibration data, press GLP function key while in ISE measurement mode. If GLP function key is not displayed press MENU key. The instrument will display the ISE calibration information: calibration date, time, slope, calibration status and electrode type.
Notes: · Press ESC at any moment and the instrument will return to measurement mode. · If calibration has not been performed, the instrument displays "No user calibration" message. · The calibration standards from previous calibration are displayed in video inverse mode.
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SETUP
Setup mode allows viewing and modifying the measurement parameters. [. . . ] Use: general purpose.
12 mm 0. 5"
HI 4430 120 mm 4. 7"
"S" VERSION
Consult the Hanna General Catalog for a complete and wide selection of electrodes.
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EXTENSION CABLE FOR SCREW-TYPE ELECTRODES (SCREW TO BNC ADAPTER) HI 7855/1 Extension cable 1 m (3. 3') long HI 7855/3 Extension cable 3 m (9. 9') long
OTHER ACCESSORIES HI 740157 HI 76404N HI 7662-T HI 8427 HI 931001 HI 76404N Plastic electrode refilling pipet (20 pcs) Electrode holder Stainless steel Temperature probe with 1 m (3. 3') screened cable pH and ORP electrode simulator with 1 m (3. 3') coaxial cable ending in female BNC connectors pH and ORP electrode simulator with LCD and 1 m (3. 3') coaxial cable ending in female BNC connectors Electrode Holder
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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. Avoid touching this glass bulb at all times. [. . . ]
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