Hanna Instruments HI99181 Instruction Manual
Portable waterproof skin ph meter
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Summary of Contents for Hanna Instruments HI99181
- Page 1 HI99181 Portable Waterproof Skin pH 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.
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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: • HI14143/50 pH/temperature probe with flat tip, 50 mm‑long body, DIN connector and 1m (3.3’) cable... -
Page 5: General Description And Intended Use
HI99181 is a light weight, portable, pH and temperature me‑ ter supplied with a specially designed pH electrode intended for the direct determination of pH on skin and scalp. Researchers monitoring the compatibility between skin and cosmetics or pharmaceuticals use pH as essential marker of compatibility. -
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 Automatic Temperature Compensation indicator 2 Stability indicator 3 Battery percentage 4 Electrode condition indicator 5 Low battery indicator 6 Measurement unit 7 Primary LCD 8 Temperature unit 9 Secondary LCD 10 Meter modes indicator 11 pH calibration buffer(s) used 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 If measurements are taken in different samples succes‑ sively, 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 calibration 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 ELECTRODE CONDITION The display is provided with a probe icon (unless the fea‑ ture is disabled from setup) which indicates the electrode status after calibration. The “condition” remains active for 12 hours (unless the batteries are removed). The electrode condition is evaluated only if the current calibration has two points.
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Page 14: Meter Setup
Setup mode allows the selection of the Temperature unit, Auto‑off, Beep, the type of pH buffer set, the Resolution and Information. To enter Setup mode press and hold button until “STD“ and tag is replaced by “SETUP“ and tag. Release the button. •... -
Page 15: Battery Replacement
• To switch ON or OFF the electrode condition indicator on the LCD, press the SET button; press to exit setup options; Change the set with the SET button, then press confirm and to return to normal mode. BATTERY REPLACEMENT When the remaining battery life is less than 10% the battery tag blinks on the display to warn the user. -
Page 16: Accessories
Replace the three 1.5V AAA alkaline batteries located in the battery compartment, observing the indicated polarity. Replace the battery cover making sure that the gasket is in place. Preamplified pH/temperature probe with HI14143/50 flat tip 50 mm‑long body, DIN connector and 1 m (3.3’) cable HI7004L pH 4.01 buffer solution, 500 mL... -
Page 17: Electrode Maintenance
Code and serial number on the other side Temperature sensor junction reference pH sensor Quick connector with Rubber protection, and 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 MAN99181 Printed in ROMANIA...