Hanna Instruments HI98190 Instruction Manual
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Hanna Instruments HI98190 Instruction Manual

Calibration check waterproof ph / mv / ise / temperature meters
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HI98190, HI98191
Calibration Check
Waterproof
pH/mV/ISE/Temperature Meters
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Summary of Contents for Hanna Instruments HI98190

  • Page 1 HI98190, HI98191 Calibration Check Waterproof pH/mV/ISE/Temperature Meters sale@ponpe.com www.ponpe.com...
  • Page 2 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. sale@ponpe.com www.ponpe.com...
  • Page 3 PRELIMINARY EXAMINATION ....................GENERAL DESCRIPTION ...................... FUNCTIONAL DESCRIPTION ....................HI98190 SPECIFICATIONS ....................HI98191 SPECIFICATIONS ....................OPERATIONAL GUIDE ......................pH CALIBRATION ....................... pH BUFFER TEMPERATURE DEPENDENCE ................RELATIVE MV CALIBRATION ....................ISE CALIBRATION HI98191 ....................GOOD LABORATORY PRACTICE (GLP) ................... SETUP ..........................
  • Page 4 If there is any damage, notify your dealer or the nearest Hanna Customer Service Center. Each instrument is supplied with: • HI12963 Amplified Combined pH temperature electrode (HI98190) • HI72911B Combined pH temperature electrode (HI98191) •...
  • Page 5 HI98190 HI98191 instruments are state‑of‑the‑art, heavy‑duty pH meters, designed to provide laboratory results and accuracy under harsh industrial conditions. They are provided with a series of new diagnostic features which add an entirely new dimension to the measurement of pH, by allowing the user to dramatically improve the reliability of the measurement: •...
  • Page 6 9) RCL key, to enter/exit view logged data mode. 10) MODE key to change pH resolution or to toggle between mV and Rel mV mode. 11) RANGE key, to switch between pH and mV range (HI98190) or pH, mV and ISE range (HI98191).
  • Page 7 TOP VIEW HI98190 14) Electrode DIN connector. 15) USB connector. TOP VIEW HI98191 14) BNC electrode connector. 15) Input for Reference electrode. 16) Input for Temperature probe. 17) USB Connector. sale@ponpe.com www.ponpe.com...
  • Page 8 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 ‑20.0 to 120.0 °C (‑4.0 to 248.0 °F)
  • Page 9 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 From 1.00 E...
  • Page 10 If the probe is disconnected, temperature can be set manually with the keys. HI98190 connect the pH/temperature electrode to the DIN connector. Turn the instrument ON by pressing ON/OFF key.
  • Page 11 On the pH screen are displayed: • pH reading with the selected resolution. • Temperature reading in the selected unit (°C or °F). • Temperature compensation mode (MTC ‑ manual, ATC ‑ automatic). While in MTC mode the indicate that the temperature can be manually changed using / keys.
  • Page 12 ORP MEASUREMENTS To perform ORP measurements, connect an optional ORP electrode to the instrument and turn it ON. Press RANGE key until mV range is displayed, if necessary. Submerge the ORP electrode tip (4 cm/1½”) into the sample to be tested and wait a few seconds for the reading to stabilize.
  • Page 13 ISE measurements. Changing the ISE electrode or the ion charge will need ISE range calibration. TEMPERATURE MEASUREMENTS HI98190 the temperature sensor is connected through DIN socket. Connect the temperature connector to the appropriate socket (HI98191). Immerse the pH electrode into the sample and allow the reading on the secondary LCD to stabilize.
  • Page 14 • If “Outside Cal Range” message blinks during pH measurement (the measurement range is not covered by current calibration, if feature is enabled in SETUP). PROCEDURE HI98190 HI98191 instruments offers a choice of seven standard buffers (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45).
  • Page 15 • Press CAL. The instrument will display the measured pH, the LCD first expected buffer and the temperature reading. • If necessary, press the / keys to select a different buffer value. • The “ ” tag will blink on the LCD until the reading is stable. •...
  • Page 16 • Press CFM to confirm calibration. • The calibrated value and the third expected buffer value will be displayed. • After the second calibration point is confirmed, immerse the pH electrode and the temperature probe approximately 4 cm (1½”) into the third buffer solution and stir gently. The temperature probe should be close to the pH electrode.
  • Page 17 • When the reading is stable and within range of the selected buffer, the CFM functional key is displayed. • Press CFM to confirm calibration. • The calibrated value and the fifth expected buffer will be displayed. • After the fourth calibration point is confirmed, immerse the pH electrode and the temperature probe approximately 4 cm (1½”) into the fifth buffer solution and stir gently.
  • Page 18 FOUR, THREE or TWO POINT CALIBRATION • Proceed as described in “FIVE POINT CALIBRATION” section. • Press CAL or ESC after the appropriate accepted calibration point. The instruments will return to measurement mode and will memorize the calibration data. ONE POINT CALIBRATION Two SETUP selectable options are available for one point calibration: Replace and Offset.
  • Page 19 Electrode Dirty/Broken alternatively with Buffer Contaminated The calibration cannot be confirmed. The offset of the electrode is not in the accepted range. Check if the electrode is broken or clean it following the Cleaning Procedure (see page 57). Check the quality of the buffer. If necessary, change the buffer.
  • Page 20 If the current confirmed buffer has no correspondence in the existing stored calibration and this is not full, the current buffer is added to the existing stored calibration. If the existing stored calibration is full (five calibration points), after confirming the calibration point, the instrument will ask which buffer will be replaced by current buffer.
  • Page 21 WORKING WITH MILI pH BUFFERS If calibration is invoked from mili pH range, the calibration buffer can be modified in a ±0.020 pH range in according with the label on the calibration buffer. Press Change to enter buffer adjust mode. / keys to change the buffer value.
  • Page 22 CLEAN ELECTRODE WARNING Each time pH calibration is performed, the instrument internally compares the new calibration with the one previously stored. When this comparison indicates a significant difference, the “Clean Electrode” warning message is displayed to advise the user that the pH electrode may need to be cleaned (see ELECTRODE CONDITIONING AND MAINTENANCE section for details, page 56).
  • Page 23 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 24 • Press CAL when the instrument is in RELATIVE mV measurement mode. The relative mV value and the temperature values are displayed. • Use the / keys if you want to change the displayed relative mV value. • When the reading is stable, in mV range and the Relative mV offset is inside the offset window (±2000 mV), CFM functional key is displayed.
  • Page 25 It is recommended to calibrate the instrument frequently, especially if high accuracy is required. The ISE range should be recalibrated: • Whenever the ISE probe or ion charge is changed. • At least once a week. • After testing aggressive chemicals. •...
  • Page 26 • Press CAL. The primary LCD will displays the ion concentration in the selected unit or “‑‑‑” if not calibrated and first standard value. • If necessary, press the / keys to select a different standard value. • The “ ” tag will blink on the LCD until the reading is stable. •...
  • Page 27 • The calibrated value and the fourth expected standard value will be displayed. • After the third calibration point is confirmed, immerse the ISE electrode approximately 4 cm (1½”) into the fourth calibration solution. • If necessary, press the / keys to select a different standard value. •...
  • Page 28 Wrong slope The calibration cannot be confirmed. This message is displayed if slope is out of the accepted range. Slope under accepted value (30 % default slope). Slope over accepted value (130 % default slope). Wrong old slope An inconsistency between new and previous (old) calibration is detected. Clear old calibration parameters and proceed calibration from the current point.
  • Page 29 GLP is a set of functions that allows storage and retrieval of data regarding the maintenance and status of the electrode. All data regarding pH, Rel mV or ISE calibration is stored for the user to review when necessary. EXPIRED CALIBRATION The instrument is provided with a real time clock (RTC), in order to monitor the time elapsed since the last pH calibration.
  • Page 30 LAST RELATIVE mV CALIBRATION DATA Last Relative mV calibration data is stored automatically after a successful calibration. To view the Relative mV calibration data, press GLP key while in Relative mV measurement mode. The instrument will display the Relative mV GLP information: calibration date, time and offset. LAST ISE CALIBRATION DATA Last ISE calibration data is stored automatically after a successful calibration.
  • Page 31 Setup mode allows viewing and modifying the measurement parameters. These are general SETUP parameters for all the ranges and range specific parameters. The following table lists the general SETUP parameters, their valid range and the factory default settings. Description Valid value Default Backlight Backlight level...
  • Page 32 The following table lists the specific range parameters. Item Description Valid value Default Calibration Timeout Number of days after Disable, 1 to 7 days Disable (pH & ISE) Calibration warning is displayed First point mode (pH) Management of Replace or offset Replace 1 point calibration Custom buffer (pH)
  • Page 33 GENERAL PARAMETER SCREENS Backlight Highlight Backlight. Press Modify. keys to change the intensity then press Accept to confirm. Press ESC to leave without changing. Contrast Highlight Contrast. Press Modify. keys to change contrast then press Accept to confirm. Press ESC to leave without changing. sale@ponpe.com www.ponpe.com...
  • Page 34 Auto Light Off Highlight Auto Light Off. Press 5, 10 or 30 to change settings. Auto Power Off Highlight Auto Power Off. Press Modify. Press / keys to select interval then press Accept. Press ESC to leave without changing. Date/Time Highlight Date/Time.
  • Page 35 Press Modify. keys to select item. keys to change focused values. Press Accept to confirm new setting, or ESC to leave without changing. Time Format Highlight Time Format. Press displayed functional key to change the option. Date Format Highlight Date Format. Press Modify.
  • Page 36 Language Highlight Language. Use the desired functional key to change the option. Wait until new language is loaded. If language load fails the instrument will try to reload current language. If any language can’t be loaded, the instrument will work in safe mode. In this mode all messages are displayed in English and Help is not available.
  • Page 37 Instrument ID Highlight Instrument ID. Press Modify. keys to change the instrument ID. Press Accept to confirm or ESC to exit without saving. Baud Rate Highlight Baud Rate. Press Modify. / keys to select the desired communication baud. Press Accept to confirm or ESC to exit. sale@ponpe.com www.ponpe.com...
  • Page 38 Meter information Highlight Meter Information. Press Select. The meter informations are displayed: ‑firmware version ‑language version ‑mV and temperature factory calibration time/date ‑battery capacity RANGE SPECIFIC PARAMETERS SCREENS Calibration Timeout Highlight Calibration Timeout. Press Modify. / keys to set desired value. Press Accept to confirm or ESC to return without saving.
  • Page 39 Note: If enabled “CAL DUE” warning will be displayed, the set number of days after calibration is over passed. First Point Mode Highlight First Point Mode. Press the displayed functional key in order to change the option. First point mode refers to the behavior of the instrument regarding “One point calibration”. If Offset is set, after one point calibration the instrument evaluate the offset and keep unchanged the slopes.
  • Page 40 Press Modify to set custom buffer value. keys to change the value. Press Accept to confirm custom buffer value or ESC to exit without saving. View Calibration Points Highlight View Calibration Points. Press the displayed functional key to change option. If option is enabled the calibration buffers corresponding to the last calibration are displayed in the pH measurement screen.
  • Page 41 ISE probe Highlight ISE probe. Press Custom in order to set the parameters for a custom probe. Press Standard in order to select one probe from the standard probes list. If Custom is pressed: / keys to highlight the parameter to be changed (“Change Slope” or “Molar Weight”). Highlight Change Slope.
  • Page 42 Highlight Molar Weight. Press Modify in order to change molar weight. keys to change the value. Press Accept to confirm or ESC to exit. If Standard was pressed. keys to highlight the desired electrode. Press Accept to confirm setting or ESC to exit. Press View to see probe parameters.
  • Page 43 Press Modify. Use / key to select unit. Press Accept to confirm selection or ESC to exit. Note:If the unit is changed or “User” is selected a warning message will be displayed to alert that the ISE range must be calibrated. If a new probe was selected or custom probe parameter are changed, the ISE range must be calibrated.
  • Page 44 HI92000 application. The maximum logging space is 300 for HI98191 and 200 for HI98190 record locations (100 records on each range). LOGGING THE CURRENT DATA To store the current reading into memory, press LOG while in measurement mode. The instrument will display for few seconds the record number and the amount of the free log space.
  • Page 45 If More is pressed. Use / keys to scroll between complete log information. If Delete is pressed. key to focus the record to be deleted and then press CFM. Press ESC to exit. If Delete All is pressed the instrument asks for confirmation. Press CFM to confirm or ESC to exit without deleting.
  • Page 46 All the instruments are factory calibrated for mV and temperature. Hanna’s temperature probes are interchangeable and no temperature calibration is needed when they are replaced. If the temperature or ORP measurements are inaccurate, calibration should be performed. For an accurate recalibration, contact your dealer or the nearest Hanna Customer Service Center, or follow the instructions below.
  • Page 47 • Press CFM to confirm. • The second expected calibrated point is displayed. • Immerse the temperature probe into the second vessel as close as possible to the reference thermometer. Allow a few seconds for the probe to stabilize. • Use the / keys to set the calibration point value to that of the hot water.
  • Page 48 • Set 1800.0 mV on the simulator. • When the reading is stable and within range of the selected calibration point, the CFM functional key is displayed. • Press CFM to confirm. The instrument returns to calibration screen. • Press ESC to return to measurement mode. Notes: If the reading is not within range of the selected calibration point, “WRONG”...
  • Page 49 To connect your instrument to a PC, use an USB cable connector. Make sure that your instrument is switched off and plug one connector to the instrument USB socket and the other to the serial or USB port of your PC. Note: If you are not using Hanna Instruments HI92000 software, please see the following instructions.
  • Page 50 Is equivalent to pressing OFF key CHR xx Change the instrument range according with the parameter value (xx): • xx=00 pH range/0.001 resolution • xx=01 pH range/0.01 resolution • xx=02 pH range/0.1 resolution • xx=03 mV range • xx=04 Relative mV range •...
  • Page 51 • Meter status (2 chars of status byte): represents a 8 bit hexadecimal encoding. • 0x10 ‑ temperature probe is connected • 0x01 ‑ new GLP data available • 0x02 ‑ new SETUP parameter • 0x04 ‑ out of calibration range •...
  • Page 52 • electrode condition, with sign (3 chars). The “‑01” code means not calculated. • Rel mV calibration data (if available), which contains: • the calibration offset, with sign (7 chars) • the calibration time, yymmddhhmmss (12 chars). • ISE calibration data (if available), which contains: •...
  • Page 53 • The short name of the selected language (3 chars) NSLx Requests the number of logged samples (4 chars). The command parameter (1 char): • P ‑ request for pH range • M ‑ request for mV and Rel mV ranges •...
  • Page 54 Notes: “Err8” is sent if the instrument is not in measurement mode. “Err6” is sent if the requested range is not available. “Err4” is sent if the requested set parameter is not available. “Err3” is sent if the Log on demand is empty. “Err9”...
  • Page 55 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 (77 °F). Since the resistance of the pH electrode is in the range of 50 –...
  • Page 56 *Not present in gel electrodes. PREPARATION PROCEDURE Remove the electrode protective cap. DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT. This is normal with electrodes and they will disappear when rinsed with water. During transport tiny bubbles of air may have formed inside the glass bulb. The electrode cannot function properly under these conditions.
  • Page 57 For faster response, unscrew the fill hole screw during measurements. For AmpHel® electrodes: If the electrode does not respond to pH changes, the battery run down and the electrode should be replaced. MEASUREMENT Rinse the pH electrode tip with distilled water. Immerse the tip (bottom 4 cm /1½” ensuring the reference junction is submerged) in the sample and stir gently for a few seconds.
  • Page 58 IMPORTANT: After performing any of the cleaning procedures, rinse the electrode thoroughly with distilled water, refill the reference chamber with fresh electrolyte (not necessary for gel‑filled elec‑ trodes) and soak the electrode in HI70300 HI80300 Storage Solution for at least 1 hour before taking measurements.
  • Page 59 Service department and then send it with shipping costs prepaid. When shipping any instrument, 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 60 World Headquarters Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA www.hannainst.com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield, RI 02917 Phone: 800.426.6287 Fax: 401.765.7575 e‑mail: tech@hannainst.com MAN98191 03/16 Printed in ROMANIA sale@ponpe.com...

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