Hanna Instruments pH 211R Instruction Manual Download | Manualshive

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Instruction Manual

pH211R

Microprocessor-based

Bench pH/mV/°C Meter

with Analog Output

w w w . h a n n a i n s t . c o m

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Summary of Contents for pH 211R

Page 1: ...Instruction Manual pH211R Microprocessor based Bench pH mV C Meter with Analog Output w w w h a n n a i n s t c o m ...

Page 2: ...emperature values simultaneously The user is guided through the calibration process with simple instructions on the display The meter also features 0 to 5 V analog output TABLE OF CONTENTS PRELIMINARY EXAMINATION 3 GENERAL DESCRIPTION 3 FUNCTIONAL DESCRIPTION 4 SPECIFICATIONS 5 OPERATIONAL GUIDE 6 pH CALIBRATION 9 ELECTRODE CONDITIONING MAINTENANCE 12 TEMPERATURE RESISTANCE CORRELATION FOR pH SENS...

Page 3: ...utput connector 16 Negative analog output connector SPECIFICATIONS Range 2 00 to 16 00 pH 399 9 2000 mV 9 9 to 120 0 C Resolution 0 01 pH 0 1 1 mV 0 1 C Accuracy 20 C 68 F 0 01 pH 0 2 1 mV 0 5 C Typical EMC Deviation 0 03 pH 2 mV 0 3 C pH Calibration Automatic 1 or 2 point with 5 memorized buffers pH 4 01 6 86 7 01 9 18 10 01 Temperature Compensation Automatic with HI 7669 2W probe or manual 9 9 t...

Page 4: ... the oxidizing or reducing power of the sample tested To correctly perform a redox measurement the surface of the ORP electrode must be clean and smooth OPERATIONAL GUIDE Power Connection Plug the 12 Vdc adapter into the power supply socket Note Make sure the mains line is protected by a fuse Electrode and Probe Connections Connect the BNC of the pH or ORP electrode to the BNC socket on the rear p...

Page 5: ...2 5 V 5 V RESET The RESET button 14 on page 4 should only be used when the instrument displays erroneous messages due to strong electrical inter ference or when the power supply was disconnected before switching the meter off After pressing RESET always recelibrate the unit before proceeding pH CALIBRATION Frequent calibration is recommended Moreover the instrument should be re calibrated for pH a...

Page 6: ... the electrode by following the maintenance procedure see Elec trode Maintenance section If necessary change buffer or electrode Note Press RANGE to display the temperature reading on the LCD during calibration One Point Calibration Immerse pH electrode and temperature probe approximately 4 cm 1 into any of the available buffer solutions pH 4 01 6 86 7 01 9 18 or 10 01 and stir gently The temperat...

Page 7: ...DISTILLED OR DEIONIZED WATER PERIODIC MAINTENANCE Inspect the electrode and the cable The cable used for connection to the meter must be intact and there must be no points of broken insulation on the cable or cracks on the electrode stem or bulb Connectors must be perfectly clean and dry If any scratches or cracks are present replace the electrode Rinse off any salt deposits with water For refilla...

Page 8: ...4 inorganic cleaning solution for 15 minutes Oil grease Rinse with HI 7077 Oil Fat cleaning solution IMPORTANT After performing any of the cleaning procedures rinse the electrode thoroughly with distilled water refill the reference cham ber with fresh electrolyte not necessary for gel filled electrodes and soak the electrode in HI 70300 storage solution for at least 1 hour before taking measuremen...

Page 9: ...bottle 4 x 50 mL HI 7082 3 5M KCl electrolyte solution 4 x 50 mL bottle for double junction electrodes HI 8082 3 5M KCl electrolyte solution in FDA bottle 4 x 50 mL for double junction electrodes TROUBLESHOOTING GUIDE Symptoms Problem Solution The meter is slow in responding or gives faulty readings The meter does not ac cept the 2nd buffer solution for calibration The reading drifts Display shows...

Page 10: ...m DIA 0 29 S VERSION HI 1331 ORP PRETREATMENT SOLUTIONS HI 7091L Reducing pretreatment solution 500 mL bottle HI 7092L Oxidizing pretreatment solution 500 mL bottle pH ELECTRODES All electrode part numbers ending in B are supplied with BNC connector and 1 m 3 3 cable HI 1043B Glass body double junction refillable combination pH electrode Use strong acid alkali HI 1053B Glass body triple ceramic co...

Page 11: ... 5 HI 4430 S VERSION FC 100B PVDF body double junction refillable combination pH electrode Use general purpose for food industry FC 200B PVDF body open junction conic Viscolene non refillable combination pH electrode Use meat cheese FC 210B Glass body double junction conic Viscolene non refillable combina tion pH electrode Use milk yogurt FC 220B Glass body triple ceramic single junction refillabl...

Page 12: ...able 3 m 9 9 long OTHER ACCESSORIES HI 710005 Voltage adapter 115 Vac 12 Vdc US plug HI 710006 Voltage adapter 230 Vac 12 Vdc European plug HI 710012 Voltage adapter 230 Vac 12 Vdc UK plug HI 710013 Voltage adapter 230 Vac 12 Vdc S Africa plug HI 710014 Voltage adapter 230 Vac 12 Vdc Australian plug HI 76404 Electrode holder HI 7669 2W Temperature probe with 1 m 3 3 cable HI 8427 pH ORP electrode ...

Page 13: ...941 Fax 21 4584 2942 Japan Tel 03 3258 9565 Fax 03 3258 9567 Korea Tel 02 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 9829 Singapore Tel 6296 7118 Fax 6291 6906 SouthAfrica Tel 011 615 6076 Fax 011 615 8582 Taiwan Tel 886 2 2739 3014 Fax 886 2 2739 2983 Thailand Tel 66 2619 0708 Fax 66 2619 0061 UnitedKingdom Tel 01525 850 855 Fax 01525 853 668 USA Tel 401 765 7500 Fax 401 7...

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