Hanna Instruments Pool Line HI981914 Instruction Manual
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Hanna Instruments Pool Line HI981914 Instruction Manual

Professional waterproof portable ph/orp/ise meter
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HI981914
Professional Waterproof Portable
pH/ORP/ISE Meter

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Summary of Contents for Hanna Instruments Pool Line HI981914

  • Page 1 HI981914 Professional Waterproof Portable pH/ORP/ISE Meter...
  • Page 2 If you need additional technical information, do not hesitate to e‑mail us at tech@hannainst.com or view our worldwide contact list at www.hannainst.com. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. PRELIMINARY EXAMINATION ....................5 2. METER SPECIFICATIONS ...................... 6 3. HI72911B - PROBE SPECIFICATIONS ................... 7 4. GENERAL DESCRIPTION ....................... 8 5. FUNCTIONAL DESCRIPTION ....................9 6. MAINTENANCE ......................... 11 7. GENERAL OPERATIONS ...................... 13 7.1. BATTERY REPLACEMENT ..................13 7.2.
  • Page 4 15. PC CONNECTION ......................43 15.1. HI92000 – HANNA PC SOFTWARE ................. 43 15.2. REMOTE CONNECTION VIA USB CABLE ..............43 16. TROUBLESHOOTING GUIDE ..................... 48 17. ACCESSORIES ......................... 49 CERTIFICATION ........................53 RECOMMENDATIONS FOR USERS .................... 53 WARRANTY ........................... 54...

  • Page 5: Preliminary Examination

    1. PRELIMINARY EXAMINATION Remove the instrument and accessories from the packaging and examine it carefully. For further assistance, please contact your local Hanna Instruments Office or email us at tech@hannainst.com. HI981914 is delivered in a rugged carrying case and is supplied with: •...

  • Page 6: Meter Specifications

    2. METER SPECIFICATIONS Range -2.0 to 20.0 pH / -2.00 to 20.00 pH / -2.000 to 20.000 pH Resolution 0.1 pH / 0.01 pH / 0.001 pH Accuracy ±0.1 pH / ±0.01 pH / ±0.002 pH Range ±2000 mV Resolution 0.1 mV Accuracy ±0.2 mV Range...

  • Page 7: Hi72911B - Probe Specifications

    3. HI72911B - PROBE SPECIFICATIONS pH Range 0 to 13 pH Reference Double, Ag/AgCl Junction PTFE Electrolyte Polymer Maximum Pressure 3.0 bar Operating Temperature 0 to 80 °C (32 to 176 °F) Body Material Titanium Glass Type GP (General Purpose) Tip / Shape Flat Body Length / Overall Length...

  • Page 8: General Description

    HI981914 is a heavy-duty, portable pH/ORP/ISE meter with the features of a benchtop meter, part of Hanna Instruments pool-line family. The pH probe can be exchanged out for an ORP probe to obtain mV readings in the ±2000 mV range.

  • Page 9: Functional Description

    5. FUNCTIONAL DESCRIPTION Front View 1. Liquid Crystal Display (LCD) 2. Functional keys, press to perform the function displayed above them on the screen keys, press to scroll the displayed options and messages 4. Power ( ) ON/OFF key, press to turn the instrument on and off 5.
  • Page 10 Top View 1. Input for temperature probe 2. USB connector 3. BNC electrode connector 4. Input for reference electrode...

  • Page 11: Maintenance

    6. MAINTENANCE Electrode Care & Maintenance Proper care and maintenance of the pH probe is essential for accurate readings. Cleaning, calibrating, and appropriate storage will extend the life of the probe. Remove the electrode protective cap. Do not be alarmed if any salt deposits are present, this is normal. Rinse the probe with water.
  • Page 12 pH Cleaning Procedure • General cleaning: soak in HI70614 HI8061 General cleaning solution for approximately ½ hour. • Protein cleaning: soak in HI7073 HI8073 Protein cleaning solution for 15 minutes. • Inorganic cleaning: soak in HI7074 Inorganic cleaning solution for 15 minutes. •...

  • Page 13: General Operations

    7. GENERAL OPERATIONS 7.1. BATTERY REPLACEMENT To replace the batteries, follow the next steps: • Turn OFF the instrument. • Open the battery compartment by removing the four screws from the back of the instrument. • Remove the old batteries. •...

  • Page 14: Connecting The Probe

    7.3. TURNING THE METER ON Turn the instrument ON by pressing ON/OFF key. At start-up the display will show the Hanna Instruments logo for a few seconds followed by the percentage indication of the remaining battery life, then enters the measurement mode.

  • Page 15: Meter Setup

    8. METER SETUP The general SETUP menu items with options and default values are detailed here: Description Option Default Backlight Backlight level 0 to 7 Contrast Contrast level 0 to 20 Auto light off Time until backlight is ON 1, 5, 10, 30 min. Time after the instrument is Disabled Auto power off...

  • Page 16: General Parameter Screens

    The probe specific SETUP menu items are detailed here: Item Description Option Default Number of days after Calibration Timeout Calibration warning is Disable, 1 to 7 days Disable (pH & ISE) displayed Management of First point mode (pH) Replace or offset Replace 1 point calibration Custom buffer (pH)
  • Page 17 Contrast Option: 0 to 20 This function allows the adjustment of the LCD contrast. With item selected, press Modify functional key. Press the arrow keys to increase or decrease the contrast. Press Accept to save or press ESC key to return to the Meter Setup menu. Auto Light Off Option: 1, 5, 10 or 30 minutes This function allows modifying the light auto-off time.
  • Page 18 Time Format Option: AM/PM or 24 hours With item selected, press the functional key to select desired option. Date Format Option: DD/MM/YYYY; MM/DD/YYYY; YYYY/MM/DD; YYYY-MM-DD; Mon, DD, YYYY; DO-Mon-YYYY; YYYY-Mon-DD With item selected, press Modify functional key. Press the keys to select desired option. Press Accept to save or ESC key to return to the Meter Setup menu.
  • Page 19 Beep On Option: Enable or Disable With item selected, press the functional key to select desired option. When enabled, a short beep is heard every time a key is pressed or the calibration can be confirmed. A long beep alert sounds when the pressed key is not active or wrong condition is detected during calibration.

  • Page 20: Probe Specific Parameters

    8.2. PROBE SPECIFIC PARAMETERS Calibration Timeout Option: Disabled, 1 to 7 days With item selected, press Modify functional key. Press the keys to set desired option. Press Accept to save or ESC key to return to the Meter Setup menu. Note: If enabled, “CAL DUE”...
  • Page 21 View Calibration Points Option: Enable or Disable With item selected, press the functional key to select desired option. If enabled, the buffers used in the last calibration are displayed on the pH measurement screen. Out of Calibration Range Warning Option: Enable or Disable With item selected, press the functional key to select desired option.
  • Page 22 If Custom is pressed, press the keys to select the parameter to be modified. Press Accept to save or ESC key to return to the previous screen. • When “Charge/Slope” is chosen, press the keys to select the desired pair of values. Press Accept to confirm or press ESC key to return to the previous screen.

  • Page 23: Calibration

    9. CALIBRATION 9.1. pH CALIBRATION It is recommended to calibrate the instrument frequently, especially if high accuracy is required. The pH range should be recalibrated: • whenever the pH electrode is replaced • at least once a week • after testing aggressive chemicals •...
  • Page 24 If necessary, press the keys to select a different buffer value. The “ ” tag is displayed blinking until the reading has stabilized. When the reading is stable and within range of the selected buffer, CFM functional key is displayed. 3.
  • Page 25 If necessary, press the keys to select a different buffer value. The “ ” tag is displayed blinking until the reading has stabilized. When the reading is stable and within range of the selected buffer, the CFM functional key is displayed. 7.
  • Page 26 If necessary, press the keys to select a different buffer value. The “ ” tag is displayed blinking until the reading has stabilized. When the reading is stable and within range of the selected buffer, the CFM functional key is displayed. 11.
  • Page 27 Electrode Dirty/Broken alternatively with Buffer Contaminated The calibration cannot be confirmed. The offset of the electrode is not within the accepted range. Check the electrode and follow cleaning procedure (MAINTENANCE section). Check buffer quality. If necessary, change the buffer. Wrong Slope The calibration cannot be confirmed.
  • Page 28 Press CAL or ESC to exit without saving. Note: The replaced buffer is not removed from calibration list and it can be selected for the next calibration points. Clean Electrode Warning Each time pH calibration is performed, the instrument compares the new calibration with the previously stored one.
  • Page 29 Press Change to enter buffer edit mode. Press keys to change the buffer value. Press Accept to confirm new value or ESC to exit edit mode. Clear Calibration Press Clear functional key to clear previous calibrations. Calibration points saved during current calibration are not deleted.

  • Page 30: Ph Buffer Temperature Dependence

    9.2. 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. TEMP pH BUFFERS °C...

  • Page 31: Relative Mv Calibration

    9.3. RELATIVE mV CALIBRATION 1. Press CAL when the instrument is in relative mV measurement mode. The relative mV value and the temperature value are displayed. 2. Press the keys to modify displayed relative mV value. 3. When the reading is stable and the Relative mV offset is inside the offset window (±2000 mV), CFM functional key is displayed.
  • Page 32 Procedure • Select the ISE probe in SETUP menu or the Ion Charge (see METER SETUP section for details). Note: If ISE probe is not calibrated in at least one point, “----” is displayed. • Pour small, volumetrically measured 50 mL of calibration standard solutions and transfer into clean beakers.
  • Page 33 3. Press CFM to confirm calibration. The instrument displays the calibrated value and the second expected standard. 4. After the first calibration point is confirmed, immerse the ISE electrode approximately 4 cm (1½”) into the second calibration solution. If necessary, press the keys to select a different standard value.
  • Page 34 Error Messages Wrong Standard The calibration cannot be confirmed. The message is displayed if mV input is outside ±2000 mV range. Wrong Slope The calibration cannot be confirmed. This message is displayed if slope is out of the accepted range. •...

  • Page 35: Temperature Correlation For Ph Sensitive Glass

    High concentrations of sodium ions interfere with readings in alkaline solutions. The pH at which the interference starts to be significant depends upon the composition of the glass. This interference is called alkaline error and causes the pH to be underestimated. Hanna Instruments’s glass formulations have the indicated characteristics.

  • Page 36: Mv & Temperature Calibration (For Technical Personnel Only)

    11. mV & TEMPERATURE CALIBRATION (for technical personnel only) The meter is factory calibrated for mV and temperature. Hanna Instruments’s temperature probes are interchangeable and no temperature calibration is needed after probe replacement. If temperature or ORP measurements are not accurate, follow instruction below or contact your local Hanna Instruments Office.
  • Page 37 9. Press ESC key to return to measurement mode. Notes: If the reading is not within range of the selected calibration point, “WRONG” tag will blink. Verify calibration condition or contact your local Hanna Instruments Office. Press CAL or ESC during calibration to return to measurement mode.

  • Page 38: Measurement

    12. MEASUREMENT 12.1. pH MEASUREMENT To take a pH measurement remove the electrode protective cap and simply submerge the tip of the electrode (4 cm/1½”) into the sample to be tested. Press RANGE key until the display changes to the pH range, if necessary. Press MODE key to select the pH resolution.

  • Page 39: Orp Measurement

    If manual temperature compensation (MTC) is desired, the temperature probe must be disconnected from the instrument. The display will show the default temperature of 25 °C, the last measured temperature reading, or the last set temperature, with the MTC status. The MTC tag and the symbol light up to indicate that the instrument is in MTC mode.

  • Page 40: Ise Measurement

    12.4. ISE MEASUREMENT To perform ion concentration measurements: 1. Connect an ISE electrode (not supplied) and the corresponding reference (if necessary) to the instrument and turn it ON. 2. Press RANGE to enter ISE mode (until the display changes to ISE range). 3.

  • Page 41: Good Laboratory Practice (Glp)

    13. GOOD LABORATORY PRACTICE (GLP) GLP (Good Laboratory Practice) is a set of functions that allows storage and retrieval of data regarding electrode status and maintenance. Last pH, relative mV and ISE calibration data are automatically stored after a successful calibration. To recall data, when in measurement mode, press the GLP key.

  • Page 42: Logging

    14. LOGGING 14.1. LOGGING THE CURRENT DATA From measurement mode, press Log functional key to store current reading. Stored record number and available log space are displayed for a few seconds. If log space is full, “Log space is full” is displayed for a few seconds. 14.2.

  • Page 43: Pc Connection

    15. PC CONNECTION 15.1. HI92000 – HANNA PC SOFTWARE The logged data can be transferred to a PC via the HI92000 PC application. The PC compatible software is available for download at http://software.hannainst.com. Select the product code and click Download Now. After download is complete, use the setup.exe file to install the software.
  • Page 44 • xx=02 pH range/0.1 resolution • xx=03 mV range • xx=04 Relative mV range • xx=05 ISE range 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 text) <answer>: <ACK>...
  • Page 45 • Primary reading (corresponding to the selected range) - 11 ASCII chars, including sign and decimal point and exponent. • Secondary reading (only when primary reading is not mV) - 7 ASCII chars, including sign and decimal point. • Temperature reading - 7 ASCII chars, with sign and two decimal points, always in °C. Requests the instrument model name and firmware code (16 ASCII chars).
  • Page 46 • status (1 char): N (new) - calibrated in last calibration; O (old) - from an old calibration. • warnings during calibration (2 chars): 00 - no warning. • standard value, with sign and decimal point and exponent (11 chars). •...
  • Page 47 LODIALL Requests all ISE Log on demand. The answer string for each record contains: • The logged mode (2 chars): • 00 - pH range (0.001 resolution) • 01 - pH range (0.01 resolution) • 02 - pH range (0.1 resolution) •...

  • Page 48: Troubleshooting Guide

    16. TROUBLESHOOTING GUIDE SYMPTOMS PROBLEM SOLUTION Slow response/excessive drift. Dirty pH electrode. Soak the electrode tip in HI70614 solution for 30 minutes and then follow the Cleaning Procedure. Reading fluctuates up and Clogged/dirty junction. Low Clean the electrode. Refill with fresh down (noise).

  • Page 49: Accessories

    17. ACCESSORIES pH Calibration Solutions HI50004-01 pH 4.01 buffer solution, 20 mL sachet (10 pcs.) HI50004-02 pH 4.01 buffer solution, 20 mL sachet (25 pcs.) HI50007-01 pH 7.01 buffer solution, 20 mL sachet (10 pcs.) HI50007-02 pH 7.01 buffer solution, 20 mL sachet (25 pcs.) HI50010-01 pH 10.01 buffer solution, 20 mL sachet (10 pcs.) HI50010-02...
  • Page 50 Electrode Cleaning Solutions HI70000P Electrode rinse solution, 20 mL sachet (25 pcs.) HI7006014P Pool Line General purpose electrode cleaning solution, 20 mL sachet (25 pcs.) HI70614L Pool Line Cleaning solution for pH/ORP electrodes, 500 mL HI7073L Protein Cleaning Solution, 500 mL HI7074L Inorganic cleaning solution, 500 mL HI70774L...
  • Page 51 pH Electrodes Glass body, double junction, refillable, combination pH electrode with a BNC HI1043B connector and 1 m (3.3’) cable Glass body, triple ceramic, conic shape, refillable, combination pH electrode HI1053B with a BNC connector and 1 m (3.3’) cable Glass body, micro, Viscolene, non refillable, combination pH electrode with a HI1083B BNC connector and 1 m (3.3’) cable...
  • Page 52 Other Accessories HI720191 Rugged carrying case HI740157P Plastic electrode refilling pipet (20 pcs.) HI76405 Electrode holder HI7662 Temperature probe HI8427 pH and ORP electrode simulator with 1 m (3.3’) coaxial BNC/BNC cable HI9310014 Pool Line pH/mV precision simulator with LCD and 1 m (3.3’) coaxial BNC/BNC cable ®...

  • Page 53: Certification

    CERTIFICATION All Hanna Instruments conform to the CE European Directives. Disposal of Electrical & Electronic Equipment. The product should not be treated as household waste. Instead hand it over to the appropriate collection point for the recycling of electrical and electronic equipment which will conserve natural resources.

  • Page 54: Warranty

    If service is required, contact your local Hanna Instruments Office. If under warranty, report the model number, date of purchase, serial number and the nature of the problem. If the repair is not covered by the warranty, you will be notified of the charges incurred.
  • Page 55 Hanna Instruments reserves the right to modify the design, construction or appearance of its products without advance notice.
  • Page 56 World Headquarters Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA www.hannainst.com MAN981914 Printed in ROMANIA...

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