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Manual abstract: user guide HANNA INSTRUMENTS HI 255
Detailed instructions for use are in the User's Guide.
[. . . ] Instruction Manual
Multiparameter pH/mV/ºC EC/TDS/NaCl Bench Meter
HI 255
w w w. c o m
1
Dear Customer, Thank you for choosing a Hanna Instruments product. Please read this instruction manual carefully before using the instrument. This manual will provide you with the necessary information for correct use of the instrument, as well as a precise idea of its versatility. [. . . ] If no data were logged, the instrument displays:
LOG
If no data were logged for the current selected measurement range, one of the next messages will be displayed: On pH measurements ranges:
LOG
25
On Relative mV range:
LOG mV
On EC range:
LOG
On TDS range:
LOG
On NaCl range:
LOG
Otherwise, the instrument will display the memorized data: If RCL is invoked while the instrument is in pH or mV measurement range:
LOG pH
Or if RCL is invoked while the instrument is in Rel mV range:
Or if RCL is invoked while the instrument is in EC measurement range:
Or if RCL is invoked while the instrument is in TDS measurement range:
26
Or if RCL is invoked while the instrument is in NaCl measurement range:
Pressing the ARROW keys, the instrument will display the same parameter but for a different record: (example on pH range)
LOG pH
or
LOG pH
Note: The instrument will automatically skip log records from other measurement ranges. Press RANGE and the instrument will display the next logged parameter as follows: For pH/mV Range
The temperature value on the primary LCD and the record number on the secondary LCD.
LOG
The mV value on the primary LCD and the record number on the secondary LCD.
LOG mV
Note: When the pH, mV or temperature is displayed, if the ALT&SET keys are pressed and hold down, the secondary LCD will display the record date.
27
The time on the primary LCD, along with TIME tag.
LOG TIME
The date on the primary LCD, along with DATE tag.
LOG DATE
The calibration offset on the primary LCD and OFS message on the secondary LCD.
LOG mV
The calibration slope on the primary LCD and SLP message on the secondary LCD.
LOG %
The temperature compensation mode on the primary LCD and tcP message on the secondary LCD.
Note: When the time, date, year, offset or slope is displayed, if the ALT&SET keys are pressed and hold down, the secondary LCD will display the record number. The dEL message on the primary LCD and the selected record on the secondary LCD, with LOG tag displayed and CFM tag blinking.
LOG CFM
Note: If one of the ARROW keys is pressed while dEL and record number is displayed, the next/previous record number is selected. If the ALT&SET keys are pressed, the secondary LCD will display ALL message.
LOG CFM
28
Pressing the ALT&SET keys again, the secondary LCD will display the record number. If dEL ALL option was selected, all records (for all ranges) are deleted and the instrument returns to measurement mode. For Relative mV Range The temperature value, the mV absolute value, the time and the date as described above. The Relative mV offset.
LOG mV
The dEL message as described above. For EC Range The temperature value, time and date as described on pH Range. The offset factor on the primary LCD and OFS message on the secondary LCD.
The reference temperature on the primary LCD and rEF message on the secondary LCD.
The temperature coefficient on the primary LCD and tc message on the secondary LCD.
The temperature compensation mode as described on pH Range. The cell constant on the primary LCD and CEL message on the secondary LCD line.
Note: When the EC or temperature is displayed, if the ALT&SET keys are pressed and hold down, the secondary LCD will display the record date. 29
When the information that does not display the record number is selected, pressing and keeping hold down the ALT&SET keys will display the record number on the secondary LCD line. The dEL message as described in pH Range. For TDS Range The temperature reading as described in pH range (page 27). The conductivity value on the primary LCD and the record number on the secondary LCD.
The time and the date as described in pH Range. The TDS factor on the primary LCD and cF message on the secondary LCD.
The reference temperature, the temperature coefficient, the temperature compensation mode and the cell constant as described in EC Range. The dEL message as described in pH Range. For NaCl Range
The temperature reading as described in pH Range (page 27). The conductivity value as described in TDS Range. The time and date as described in pH Range. The salinity factor on the primary LCD and cF message on the secondary LCD, with LOG and NaCl tags displayed.
LOG NaCl
The reference temperature, the temperature compensation mode, the cell constant and dEL message as described above. Note: After LOG is pressed or dEL is confirmed, the instrument will display the amount of free log space for about one second (example 25 records free).
Press the ALT&RCL keys to leave RECALL mode at any time.
30
Setup mode allows viewing and modifying the instrument parameters. In according with the selected range, SETUP menu allows the possibility to view and/or change specific range parameters and common parameters (for all ranges). [. . . ] Use: general purpose.
12 mm 0. 5"
"S" VERSION
HI 2020
HI 1332
120 mm 4. 7"
"S" VERSION
51
HI 1312
FC 100B Plastic-body (Kynar®), double junction, refillable, combination pH electrode. Use: general purpose for food industry.
12 mm 0. 5" FC 100
120 mm 4. 7"
FC 200B Plastic-body (Kynar®), open junction, conic, Viscolene, non-refillable, combination pH electrode. Use: meat & cheese.
6 mm 0. 25"
FC 200
75 mm 2. 95"
FC 210B Glass-body, double junction, conic, Viscolene, non-refillable, combination pH electrode. Use: milk, yogurt.
12 mm 0. 5"
FC 210 120 mm 4. 7"
FC 220B Glass-body, triple-ceramic, single junction, refillable, combination pH electrode. [. . . ]
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