Hanna Instruments HI991001 Instruction Manual
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Hanna Instruments HI991001 Instruction Manual

Extended range waterproof ph, temperature meter
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HI991001
Extended Range Waterproof
pH, Temperature Meter

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Summary of Contents for Hanna Instruments HI991001

  • Page 1 HI991001 Extended Range Waterproof pH, Temperature Meter...
  • Page 2 Dear Thank you for choosing a Hanna Instruments product. Please read this instruction manual carefully before Customer, using this meter. This manual will provide you with the necessary information for correct use of this meter, as well as a precise idea of its versatility.

  • Page 3: Table Of Contents

    Table of Contents ............Preliminary Examination ........... General Description and Intended Use ......Main Features ............Specifications ............Display Description ........... Operational Guide ............ Meter Setup ............. Battery Replacement ..........Accessories ............... Electrode Maintenance ..........Certification .............. Recommendations for Users ........Warranty ..............

  • Page 4: Preliminary Examination

    Remove the meter from the packing material and examine it carefully to make sure that no damage has occurred during shipment. If noticeable damage is evident, contact your local Hanna Instruments Office. Each meter is supplied complete with: • HI12963 pH/temperature probe with titanium body and DIN connector with 1m (3.3’) cable...

  • Page 5: General Description And Intended Use

    HI991001 is a durable, portable, pH and temperature meter used for most pH measurements encountered in manufacturing and environmental testing protocols. The meter is provided with a very rugged titanium bodied electrode with built‑in temperature sensor for temperature compensated pH and temperature readings. It also contains an integral pH sensor preamplifier to provide stable measurements in electrically noisy environments.

  • Page 6: Main Features

    Main features: • Simultaneous pH and temperature measurements on a large dual‑line LCD display • Automatic pH calibration at one or two points within two memorized buffer sets (standard or NIST) • Selectable temperature unit (°C or °F) • Electrode condition indicator •...

  • Page 7: Specifications

    ‑2.00 to 16.00 pH / ‑2.0 to 16.0 pH Range* ±825 mV (pH‑mV) ‑5.0 to 105.0 °C/23.0 to 221.0 °F 0.01 pH / 0.1 pH Resolution 1 mV 0.1 °C/0.1 °F ±0.02 pH / ±0.1 pH Accuracy ±1 mV (pH‑mV) ±0.5 °C up to 60 °C;...

  • Page 8: Display Description

    1 pH calibration buffer(s) used 2 Stability indicator 3 Primary LCD 4 Battery percentage 5 Secondary LCD 6 Electrode condition indicator 7 Low battery indicator 8 Measurement unit 9 Automatic Temperature Compensation indicator 10 Third LCD 11 Temperature unit 12 Meter modes indicator Each meter is supplied with batteries.
  • Page 9 TO TURN THE METER ON To turn the meter ON, press the button on the front of the meter. If it does not turn on, make sure that the batteries are properly installed in their place. The meter is provided with an active acoustic signal when a key is pressed.
  • Page 10 TO FREEZE THE MEASUREMENT VALUES While in measurement mode, press and hold the SET button until “HOLD“ appears on the secondary LCD. The “HOLD“ remains for 1 second and reading of pH, mV and temperature will be frozen on the LCD with “H” blinking. →...
  • Page 11 LCD displays the sample temperature. If measurements are taken in different samples successively, rinse the probe tip thoroughly to eliminate cross‑contamination. † For better accuracy, frequent calibration of the pH sensor with the meter is recommended. In addition, the meter must be recalibrated whenever: a) The pH electrode is replaced.
  • Page 12 Two-point calibration Proceed with steps 1 through 3 under single point calibra‑ tion using 7.01 (pH 6.86 for NIST) pH buffer first. Then follow steps below: The ”pH 4.01 USE” message is then displayed. Place the probe in the second calibration buffer (pH 4.01 or 10.01, or, if using NIST, pH 4.01 or 9.18).

  • Page 13: Meter Setup

    5 bars: excellent condition 4 bars: very good condition 3 bars: good condition 2 bars: fair condition 1 bar: poor condition 1 bar blinking: very poor condition With 1 bar it is recommended to clean the electrode and recalibrate. If there is still only 1 bar or 1 bar blinking replace the probe.
  • Page 14 • Use the SET button, to cycle through the auto‑off choices: 8 minutes (“8”, default value), 60 minutes (“60”) or disabled (“---”). Press to confirm and to enter the “BEEP“ selection. • To switch ON or OFF the beep tone, press the SET button;...

  • Page 15: Battery Replacement

    BATTERY REPLACEMENT When the remaining battery life is less than 10% the battery tag blinks on the display to warn the user. Battery Error Prevention System (BEPS) If the battery is too weak (“0%”) the display shows “bAtt“, “DEAD“ for few seconds then the meter power off. Immediately replace the batteries with new ones.

  • Page 16: Accessories

    Combination preamplified pH/temperature HI12963 probe with titanium body, DIN connector and 1 m (3.3’) cable HI7004L pH 4.01 buffer solution, 500 mL HI7006L pH 6.86 buffer solution, 500 mL HI7007L pH 7.01 buffer solution, 500 mL HI7009L pH 9.18 buffer solution, 500 mL HI7010L pH 10.01 buffer solution, 500 mL HI70300L...

  • Page 17: Electrode Maintenance

    Code and serial number on the other side Temperature sensor Quick connector with Reference junction Rubber protection, and pH bulb 1 meter cable PREPARATION • Remove the protective cap. DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT. Rinse with water. •...

  • Page 18: Certification

    • pH Meter: Follow the meter’s operating and calibration procedures. • Electrode: Evaluate your electrode performance based on the SENSOR CHECK procedure on page 13. All Hanna Instruments conform to the CE European Directives. RoHS compliant Disposal of Electrical & Electronic Equipment. The product should not be treated as household waste.

  • Page 19: Recommendations For Users

    Technical Service department and then send it with shipping costs prepaid. When shipping any meter, make sure it is properly packed for complete protection. Hanna Instruments reserves the right to modify the design, construction or appearance of its products without advance notice.
  • Page 20 World Headquarters Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA www.hannainst.com Local Office Hanna Instruments Inc. 270 George Washington Highway Smithfield, RI 02917 Phone: 800.426.6287 Fax: 401.765.7575 e‑mail: tech@hannainst.com MAN991001 Printed in ROMANIA...

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