Hanna HI 2221 HI 2223 pH mV ºC Bench Meters with Calibration Check Instruction Manual
Summary
Master accurate measurements of pH, mV, ORP, and temperature with these logging microprocessor pH/mV/ºC Bench Meters (HI 2221/HI 2223). This comprehensive manual is designed for laboratory professionals needing reliable instrumentation featuring advanced Calibration Check diagnostics. Inside, you will find detailed operational guides covering everything from initial setup and complex calibration procedures to troubleshooting, maintenance routines, and best practices for ensuring consistent, high-precision results.
Page 1 Text Content
Instruction Manual
HI 2221 HI 2223
p H/m V/ºC Bench Meters with Calibration Check
www.hannainst .com
Page Summary Contents For Hanna HI 2221 HI 2223 pH mV ºC Bench Meters with Calibration Check Instruction Manual
Page 1
Instruction Manual HI 2221 HI 2223 p H/m V/ºC Bench Meters with Calibration Check www.hannainst .com
Page 2
Dear Customer, Thank you for choosing a Hanna Instruments product. Please read this instruction manual carefully before using these instruments. This manual will provide you with the necessary informa...
Page 3
PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it carefully to make sure that no damage has occurred during shipping. If there is any damage, notify your Dealer or...
Page 4
FUNCTIONAL DESCRIPT ION Front Panel Rear Panel 1) Liquid Crystal Display (LCD). 2) CAL key, to enter and exit calibration mode. 3) CFM/GLP key, to confirm calibration, different values or to display G...
Page 5
HI SPECIF ICATIONS Hp00.61ot00.2– Vm9.996± egna R Vm0002± C°0.021ot0.02– Hp10.0 )Vm9.996±(Vm1.0 noitulose R )Vm0002±(Vm1 Hp10.0± ycarucc A )Vm9.996±(Vm2.0± F°86/C°02@ )Vm0002±(Vm1± C°2.0± rorreeborpgn...
Page 6
HI SPECIF ICATIONS 00.61ot00.2– Hp 000.61ot000.2– Hp 9.999± Vm egna R 0002± Vm °0.021ot0.02– 10.0 Hp 100.0 Hp 1.0 Vm 9.999±( )Vm noitulose R Vm 0002±( )Vm °1.0 10.0± Hp 200.0± Hp ycarucc A 2.0± Vm 9.9...
Page 7
OPERATIONAL GUIDE POWER CONNECTION Plug the 12 VDC adapter into the power supply socket. Notes: • These instruments use non volatile memory to retain the p H, m V, temperature calibrations and all oth...
Page 8
probe approximately 3 cm (1¼”) into the sample to be tested and stir gently. Allow time for the electrode to stabilize. The p H is displayed on the primary LCD and the temperature on the secondary LCD...
Page 9
Pretreatment solutions are available to condition the electrode and speed up the response time. The instrument automatically defaults to the 3 cm (1¼") m V measurement mode if HANNA P type ORP el...
Page 10
PROCEDURE Calibration can be performed at up to five points. For accurate measurements a three point calibration is recommended. Calibration can be performed using the seven memorized buffers: p H 1.6...
Page 11
When the reading is stable and close to the selected buffer, the “CFM” tag will blink and if enabled, an audible signal will sound. Press the CFM key to confirm the calibration. The calibrated value w...
Page 12
After the third calibration point is confirmed, submerse the p H electrode and the temperature probe approximately 3 cm (1¼”) into the next buffer solution and stir gently. The temperature probe shoul...
Page 13
Notes: To clear calibration parameters for all uncalibrated buffers starting with current buffer, press CLR. The calibration will continue from the current point. If this procedure is performed while ...
Page 14
ENHANCED CALIBRATION MESSAGES The stored calibration history to used issue error and warning messages during calibration to help ensure the highest accuracy. As electrode aging is normally a slow proc...
Page 15
Replace the electrode. BUFFER TEMPERATURE This message appears if the temperature of the buffer is outside the defined buffer temperature range. WARNING MESSAGES During calibration, the Calibration Ch...
Page 16
ELECTRODE CONDITION & ELECTRODE RESPONSE T IME When using an appropriate HANNA P Type BNC electrode with pin, HI 2221 and HI 2223 will assess electrode condition and response time during each cali...
Page 17
p H BUFFER TEMPERATURE The temperature has an effect on p H. The calibration buffer solutions are affected by temperature changes to a lesser degree than normal solutions. During calibration the instr...
Page 18
GOOD LABORATORY PRACTICE (GLP) GLP is a set of functions that allows the storage and retrieval of data regarding the maintenance and status of the electrode. All data regarding the last calibration is...
Page 19
The p H calibration offset. The p H calibration slope in m V/p H normalized to 25 °C (the percentage is referred to the ideal value of 59.16 m V/p H). Note: If you calibrate using electrodes with pin ...
Page 20
If “no b UF” message appears on the LCD, the instrument informs you that the calibration was performed with less than five buffers. Calibration Expiration status: - if disabled. - or the number of day...
Page 21
Up to 100 (HI 2221) or 500 (HI 2223) logged samples can be stored in memory. LOGGING THE CURRENT DATA To store the current reading into memory press the LOG key while in measuring mode. The instrument...
Page 22
Press the RCL key to return to measurement mode. Use the ARROW keys to scroll through the stored records: Press the RANGE key to view additional data: The m V value on the primary LCD and the temperat...
Page 23
Press the ARROW keys to change the selected record. To delete all records press the SETUP key, “ALL” tag will appear on the secondary LCD. Press the CFM key to confirm the deleting of the selected rec...
Page 24
Setup mode allows viewing and modification of the following parameters: Calibration Expiration Alarm One-point Calibration Behavior p H Resolution (HI 2223 only) Current Time (hour & minute) Curre...
Page 25
Press CFM to save the behavior for one-point calibration. Press CAL to escape without saving. p H RESOLUTION (HI 2223 only) Press CAL when “r ESo” message is displayed on the secondary LCD. The set re...
Page 26
Press the RANGE key. The day will start blinking. Press the ARROW keys to change the day. Press the CFM key to save the modified value or press the CAL key to escape without saving. BEEP STATUS Press ...
Page 27
TEMPERATURE CALIBRATION (for technical personnel only) All the instruments are factory calibrated for temperature. Hanna’s temperature probes are interchangeable and no temperature calibration is need...
Page 28
When the reading is stable and close to the selected calibration point, “READY” tag will appear and “CFM” tag will blink. Press CFM to confirm. The instrument returns to measurement mode. Note: If the...
Page 29
m V CALIBRATION (for technical personnel only) All the instruments are factory calibrated for m V. Hanna’s ORP electrodes are interchangeable and no m V calibration is needed when they are replaced. I...
Page 30
PC INTERFACE Data transmission from the instrument to the PC can be done with the HI 92000 Windows® compatible software (optional). HI 92000 also offers graphing and on-line help feature. Data can be ...
Page 31
The instrument will answer for these commands with: <STX> <answer> <ETX> where: <STX> is 02 ASCII code character (start of text) <ETX> is 03 ASCII code character (end of ...
Page 32
Temperature reading - 8 ASCII chars, with sign and two decimal points, always in ºC. MDR Requests the instrument model name and firmware code (16 ASCII chars). GLP Requests the calibration data record...
Page 33
NSL Requests the number of logged samples (4 chars). LODxxx Requests the xxxth record logged data. LODALL Requests all Log on demand data. The answer string contains: p H resolution (2 chars): 00 - p ...
Page 34
ELECTRODE CONDIT IONING & MAINTENANCE PREPARATION PROCEDURE Remove the protective cap of the p H electrode. DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT. This is normal with electrodes. They wil...
Page 35
For refillable electrodes: If the filling solution (electrolyte) is more than 2½ cm (1”) below the fill hole, add HI 7082 or HI 8082 3.5M KCl Electrolyte Solution for double junction or HI 7071 or HI ...
Page 36
CLEANING PROCEDURE • General Soak in Hanna HI 7061 or HI 8061 General Cleaning Solution for approximately ½ hour. • Protein Soak in Hanna HI 7073 or HI 8073 Protein Cleaning Solution for 15 minutes. •...
Page 37
TROUBLESHOOTING GUIDE SMOTPMYS MELBORP NOITULOS evissecxe/esnopserwol S .edortcele Hpytri D edortceleehtnael C .tfird dna pitehtkaosneht ni 1607IH ro 1608IH .setunim03rof puetautculfsgnidae R .noitcnu...
Page 38
TEMPERATURE CORRELATION FOR p H SENSITIVE GLASS The resistance of glass electrodes partially depends on the temperature. The lower the temperature, the higher the resistance. It takes more time for th...
Page 39
ACCESSORIES p H BUFFER SOLUTIONS HI 70004P p H 4.01 Buffer Sachets, 20 m L, 25 pcs HI 70007P p H 7.01 Buffer Sachets, 20 m L, 25 pcs HI 70010P p H 10.01 Buffer Sachets, 20 m L, 25 pcs HI 7001L p H 1.6...
Page 40
ORP PRETREATMENT SOLUTIONS HI 7091L Reducing Pretreatment Solution, 500 m L HI 7092L Oxidizing Pretreatment Solution, 500 m L p H ELECTRODES All electrodes with part numbers ending in P are supplied w...
Manual Details
| Brand | Bench |
|---|---|
| Pages | 44 |
| File Size | 550.91 KB |
| Published | May 16, 2026 |
67 views
Enter the captcha to get the download link:
