Hanna Instruments HI981520 Instruction Manual
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Hanna Instruments HI981520 Instruction Manual

Marine monitor
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INSTRUCTION MANUAL
HI981520
Marine Monitor
pH
Marine Salinity
Temperature
®
Hanna
is committed to developing and deploying digital
solutions with a positive impact on the environment and climate.
Hanna Instruments Inc., 584 Park East Drive, Woonsocket, RI 02895 USA
Please scan the QR code or follow the link
to download the
HI981520
user manual.
https://manuals.hannainst.com/HI981520
www.hannainst.com

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Summary of Contents for Hanna Instruments HI981520

  • Page 1 Please scan the QR code or follow the link solutions with a positive impact on the environment and climate. to download the HI981520 user manual. https://manuals.hannainst.com/HI981520 Hanna Instruments Inc., 584 Park East Drive, Woonsocket, RI 02895 USA www.hannainst.com...

  • Page 2: Table Of Contents

    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. Hanna Instruments reserves the right to modify the design, construction, or appearance of its products without advance notice.

  • Page 3: Preliminary Examination

    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. Each HI981520 is supplied with: • HI1286 pH electrode •...

  • Page 4: General Description & Intended Use

    General Description & Intended Use 2. GENERAL DESCRIPTION & INTENDED USE Testing and monitoring salinity in saltwater aquariums is an ongoing task. HI981520 is a vertical‑mount unit that monitors and displays the conductivity (measured with attached probe) and the pH level (replaceable pH electrode).

  • Page 5: Specifications

    5  Specifications 3. SPECIFICATIONS 3.1. MONITOR Range* 0.0 to 14.0 pH Resolution 0.1 pH Accuracy ±0.2 pH Calibration Manual or automatic two‑point calibration in 7.01 and 10.01 pH Range 0.0 to 70.0 ppt (g/L) Resolution 0.1 ppt (g/L) ±1.0 ppt between 0.0 ppt and 40.0 ppt Accuracy ±2.0 ppt between 40.0 ppt and 70.0 ppt Calibration...

  • Page 6: Probes

    Specifications  3.2. PROBES HI1286 pH Electrode Range 0 to 13 pH Recommended operating temperature 0 to 80 °C (32 to 176 °F) Body Junction PTFE Reference Double junction, Ag/AgCl Electrolyte Polymer Spheric (Ø 7.5 mm / 0.29”) Outer diameter 12 mm (0.47”) Overall length 160 mm (6.29”) Maximum pressure...

  • Page 7: Functional & Keypad Description

    Functional & Keypad Description 4. FUNCTIONAL & KEYPAD DESCRIPTION Front & Rear View 8. 4 32. 0 26 . 1 SETUP Marine Monitor 1. Liquid Cristal Display (LCD) 4. pH electrode DIN connector 2. Keypad 5. Conductivity (EC) probe cable 3.

  • Page 8: Installation

    Installation LCD Description 1. Setup menu tag ( S ) 11. EC Alarm indicators, High ( U ) or Low ( D ) 2. pH Alarm indicators, High ( U ) or Low ( D ) 12. Third LCD line, message area / temp. reading 3.
  • Page 9 Installation Attach the Suction Cup & Secure the Probe 1. Clean and dry the surface the cup is affixed to. 2. Wipe clean (soapy water) the inside of the cup and pat dry. 3. Stick the cup on the aquarium (tank) wall. 4.

  • Page 10: Setup

    Setup 6. SETUP • Press key to enter/exit setup menu. • Press key to navigate the menu and select items • Press key to edit items. Press key to edit values (blinking). • Press key after editing to save the value or key to exit edit mode without saving.
  • Page 11 Setup pH Alarm (Options / Default) pH High Alarm Enabled (En), Disabled (dIS) (Enabled) P H H I G H P H H I G H pH High Value 8. 6 8. 8 0.1 to 14.0 pH * (8.6 pH) P H H I G H P H H I G H With pH High Alarm configured as enabled ”PH HIGH VALUE”...
  • Page 12 Setup EC Alarm (Options / Default) EC High Alarm Enabled (En), Disabled (dIS) (Enabled) E C H I G H E C H I G H EC High Value 37. 0 38. 5 0.1 to 70.0 ppt * (37.0 ppt) 0.1 to 70.0 PSU * (37.0 PSU) E C H I G H...
  • Page 13 Setup Temperature Alarm (Options / Default) Temperature High Alarm Enabled (En), Disabled (dIS) (Enabled) T E M P H I G T E M P H I G “TEMP HIGH” is scrolled on the bottom of the LCD. Temperature High Value 26.

  • Page 14: Calibration

    Calibration 7. CALIBRATION Operation 1. Press key to enter calibration mode. 2. Press key to toggle between pH and EC modes. 3. Press key to start calibration and key to exit calibration. 7.1. pH Calibrate the probe frequently for improved accuracy. Additionally, calibrate the probe: •...
  • Page 15 Calibration 3. Place the electrodes in 7.01 pH or 10.01 pH buffer solution. Dislodge any bubbles that may adhere. When the buffer is recognized “REC” is displayed. “WAIT” is displayed until the reading is stable and the calibration is accepted. 7.

  • Page 16: Conductivity

    Calibration  7.2. CONDUCTIVITY Calibrate the probe frequently for improved accuracy. Additionally, calibrate the probe: • before installation • whenever the probe is replaced • after periodic maintenance Always use fresh calibration solutions and perform electrode maintenance prior to calibration (see “Maintenance &...

  • Page 17: Clear Calibration

    Measurement After the standard is accepted, ”SAVE” is displayed and the instrument returns to measurement mode. 10. 0 35. 0 S A V E 2 1. 8 7.3. CLEAR CALIBRATION 1. Press key to clear any saved calibration. “CLEAR” is displayed blinking. 7.

  • Page 18: Maintenance & Care

    Maintenance & Care 9. MAINTENANCE & CARE Cleaning, calibrating, and appropriate storage are essential for accurate readings and extend the life of the probes. General Maintenance • Inspect, clean, and calibrate the probe at regular intervals. • Inspect all connectors for corrosion and replace if necessary. •...

  • Page 19: Warnings & Errors

    Warnings & Errors 10. WARNINGS & ERRORS HI981520 displays warning messages when erroneous conditions appear and readings are outside supported range. Buffer solution is not recognized. Probe has not been placed in solution or the reading is outside accepted range.

  • Page 20: Certification

    If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments office, first obtain a Returned Goods Authorization (RGA) number from the Technical Service department and then send it with shipping costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection.

This manual is also suitable for:

Hi981520-02

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