Hanna Instruments HI 2210 Instruction Manual
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Hanna Instruments HI 2210 Instruction Manual

Microprocessor-based ph/mv/ c bench meters
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Enlarged version
Instruction Manual
HI 2210 HI 2211
Microprocessor-based
pH/mV/°C
Bench Meters
w w w. h a n n a i n s t . c o m
1

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  • Page 1 Instruction Manual HI 2210 HI 2211 Microprocessor-based pH/mV/°C Bench Meters w w w. h a n n a i n s t . c o m...
  • 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 information for correct use of these instruments, as well as a precise idea of their versatility.

  • Page 3: Table Of Contents

    WARRANTY HI 2210 and HI 2211 are guaranteed for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. Electrodes and probes are guaranteed for six months. This warranty is limited to repair or replacement free of charge.

  • Page 4: Preliminary Examination

    All defective items must be returned in the original packing with the supplied accessories. GENERAL DESCRIPTION The Hanna HI 2210 and HI 2211 are microprocessor based pH and temperature bench meters. HI 2211 can also be used for ion concentration (ISE) and Oxidation Reduction Potential (ORP) in the mV range.

  • Page 5: Functional Description

    FUNCTIONAL DESCRIPTION Front Panel Rear Panel 1) Liquid Crystal Display (LCD). CAL key, to enter and exit calibration mode. CFM key, to confirm different values. °C and °C keys, to manually increase/decrease tem- perature or select pH buffer. RANGE key, to select measurement range (HI 2211 only). MEM key, to store a value into memory.

  • Page 6: Specifications

    SPECIFICATIONS 2 – 0 0 . 0 0 . 9 . 9 ) y l ± ) y l ± 2 – 0 . 0 0 . 0 C ° 1 0 . 1 . 0 ) y l T U L N O I ) y l 1 .

  • Page 7: Operational Guide

    OPERATIONAL GUIDE POWER CONNECTION Plug the 12 VDC adapter into the power supply socket. Notes: • These instruments use non volatile memory to retain the pH, mV, temperature calibrations and all other settings, even when unplugged. • Make sure a fuse protects the main line. ELECTRODE AND PROBE CONNECTIONS For pH or ORP combination electrode connect to the BNC connector on the back of the instrument.
  • Page 8 If measurements are taken successively in different samples, it is recommended to rinse the electrode thoroughly with deionized water or tap water and then with some of the next sample in order to prevent cross-contamination. The pH reading is affected by temperature. In order to measure the pH accurately, the temperature effect must be compensated for.
  • Page 9 TEMPERATURE MEASUREMENTS Connect the HI 7662 temperature probe to the TEMP socket and turn the instrument on. Submerse the temperature probe into the sample and allow the reading on the secondary LCD to stabilize. MEMORY FUNCTION Press and hold down MEM key to store the last reading in the meter’s memory.

  • Page 10: Ph Calibration

    pH CALIBRATION Calibrate the instrument often, especially if high accuracy is required. The instrument should be recalibrated: • Whenever the pH electrode is replaced. • At least once a week. • After testing aggressive chemicals. PREPARATION Pour small quantities of the buffer solutions into clean beakers. If possible use plastic or glass beakers to minimize any EMC interferences.
  • Page 11 • When the reading is stable and close to the selected buffer, “READY” message will appear and “CFM” message will blink. • Press CFM to confirm calibration. • The calibrated value is then displayed on the primary LCD and the secondary LCD will display the second expected buffer value.
  • Page 12 • The “WRONG” message and temperature value are displayed blinking if the temperature reading is out of the defined temperature range of the buffer. Calibration cannot be confirmed in this situation. • Press RANGE to display the temperature reading on the LCD during calibration (HI 2211 only).

  • Page 13: Temperature Calibration (For Technical Personnel Only)

    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 needed when they are replaced. If the temperature measurements are inaccurate, temperature recalibration should be performed. For an accurate recalibration, contact your dealer or the nearest Hanna Customer Service Center, or follow the instructions below.
  • Page 14 • Submerse the temperature probe in the second vessel as near as possible to the reference thermometer. Allow a few seconds for the probe to stabilize. • Use the ARROW keys to set the reading on the secondary LCD to that of the hot water.

  • Page 15: Ph Buffer Temperature Dependence

    pH BUFFER TEMPERATURE DEPENDENCE The temperature has an effect on pH. The calibration buffer solutions are affected by temperature changes to a lesser degree than normal solutions. During calibration the instrument will automatically calibrate to the pH value corresponding to the measured or set temperature. º...

  • Page 16: Electrode Conditioning And Maintenance

    ELECTRODE CONDITIONING AND MAINTENANCE PREPARATION PROCEDURE Remove the protective cap of the pH electrode. DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT. This is normal with electrodes. They will disappear when rinsed with water. During transport, tiny bubbles of air may form inside the glass bulb affecting proper functioning of the electrode.
  • Page 17 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 8071 3.5M KCl+AgCl Electrolyte Solution for single junction electrodes.
  • Page 18 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. • Inorganic Soak in Hanna HI 7074 Inorganic Cleaning Solution for 15 minutes.

  • Page 19: Troubleshooting Guide

    TROUBLESHOOTING GUIDE w o l o p s e s n x e / s e c e v i s y t r i e l e o r t c . e d e l C e h t c e l o r t .

  • Page 20: Temperature Correlation For Ph Sensitive Glass

    TEMPERATURE CORRELATION FOR pH 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 the reading to stabilize if the resistance is higher. In addition, the response time will suffer to a greater degree at temperatures below 25 °C.

  • Page 21: Accessories

    ACCESSORIES pH BUFFER SOLUTIONS HI 70004P pH 4.01 Buffer Sachets, 20 mL, 25 pcs HI 70007P pH 7.01 Buffer Sachets, 20 mL, 25 pcs HI 70010P pH 10.01 Buffer Sachets, 20 mL, 25 pcs HI 7004L pH 4.01 Buffer Solution, 500 mL bottle HI 7006L pH 6.86 Buffer Solution, 500 mL bottle HI 7007L pH 7.01 Buffer Solution, 500 mL bottle HI 7009L pH 9.18 Buffer Solution, 500 mL bottle...
  • Page 22 ORP PRETREATMENT SOLUTIONS HI 7091L Reducing Pretreatment Solution, 500 mL bottle HI 7092L Oxidizing Pretreatment Solution, 500 mL bottle pH ELECTRODES All electrodes part numbers ending with B are supplied with BNC connector and 1 m (3.3') cable, as shown below: HI 1043B Glass-body, double junction, refillable, combination pH electrode.
  • Page 23 HI 1330B Glass-body, semimicro, single junction, refillable, combination pH electrode. Use: laboratory, vials. 5mm DIA 0.2" 0.2" HI 1330 120 mm 4.7" "S" VERSION HI 1331B Glass-body, semimicro, single junction, refillable, combination pH electrode. Use: flasks. 8 mm 7.5mm DIA 0.3"...
  • Page 24 FC 100B Plastic-body (PVDF), 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 (PVDF), open junction, conic, Viscolene, non-refillable, combination pH electrode. Use: meat & cheese. 6 mm 0.25"...
  • Page 25 HI 1413B Glass-body, single junction, flat tip, Viscolene, non-refillable, combination pH electrode. Use: surface measurement. 12 mm 0.5" HI 1413 110 mm 4.3" ORP ELECTRODES HI 3131B Glass-body, refillable, combination platinum ORP electrode. Use: titration. 12 mm 0.5" HI 3131 150 mm 5.9"...
  • Page 26 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 HI 7855 SERIES CABLE CONNECTORS CONNECTOR AND 3.0 mm (0.12") CABLE WITH BNC CONNECT TO THE CONNECT TO BNC SOCKET SCREW TYPE...
  • Page 27 24 VAC or 60 VDC. To avoid damage or burns, do not perform any measurement in microwave ovens. Hanna Instruments reserves the right to modify the design, construction or appearance of its products without advance notice.
  • Page 28 Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA Technical Support for Customers Tel. (800) 426 6287 Fax (401) 765 7575 E-mail tech@hannainst.com www.hannainst.com Local Sales and Customer Service Office Printed in ROMANIA MAN2211 07/14...

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Hi 2211

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