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Related Manuals for Hanna Instruments HI9811-51
Summary of Contents for Hanna Instruments HI9811-51
- Page 1 HI9811-51 Portable pH / EC / TDS / Temperature Meter...
- 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.
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. Preliminary Examination ............4 2. General Description ..............4 3. Functional Description & LCD Display ........5 4. Specifications ................. 6 5. General Operations ..............8 5.1. Battery Replacement ............ 8 5.2. Connecting the Electrode ..........9 5.3. -
Page 4: Preliminary Examination
Note: Save all packing material until you are sure that the instrument works correctly. Any damaged or defective item must be returned in its original packing material with the supplied accessories. 2. GENERAL DESCRIPTION HI9811-51 is a portable, water resistant meter designed to be paired with HI1285-51 pH / EC / TDS / Temperature multiparameter probe. -
Page 5: Functional Description & Lcd Display
3. FUNCTIONAL DESCRIPTION & LCD DISPLAY Dip probe in calibration solution and turn the knob to match the solution value for current temperature HI9811-51 On/Off µS/cm °C 1. 8-pin DIN connector socket 2. Battery-level indicator 3. LCD display 4. On-screen calibration knob indicator 5. -
Page 6: Specifications
4. SPECIFICATIONS Meter Range* 0.0 to 14.0 pH Resolution 0.1 pH Accuracy ±0.1 pH (@ 25 °C / 77 °F) Calibration Manual, 1 point Range* 0 to 6000 μS/cm Resolution 10 μS/cm Accuracy ±2% f.s. μS/cm (@ 25 °C / 77 °F) Calibration Manual, 1 point Temp. - Page 7 Probe Reference Single, Ag/AgCl Junction Cloth Electrolyte Max. pressure 0.1 bar pH: 0 to 13 Range EC: 0 to 6 mS/cm Temperature: 0 to 50°C (32 to 122°F) Tip shape Spheric, Ø 8.0 mm (0.31”) Glass type Low Temperature (LT) Temperature sensor Yes Amplifier Body material...
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Page 8: General Operations
5. GENERAL OPERATIONS 5.1. BATTERY REPLACEMENT To replace the batteries, follow the next steps: • Turn OFF the instrument. • Remove the three screws on the back of the instrument to open the battery compartment. • Remove the old battery. •... -
Page 9: Connecting The Electrode
5.2. CONNECTING THE ELECTRODE Align the DIN connector’s 8 pins with the socket and push in the plug. 5.3. TURNING THE METER ON Turn the instrument on by pressing the On/Off key. 5.4. SENSOR PREPARATION & CONDITIONING 1. Remove the protective cap 2. -
Page 10: Calibration
6. CALIBRATION 6.1. pH For high accuracy, frequent calibrations are recommended. Additionally, the pH range should be recalibrated: • Whenever the electrode is replaced • At least once a month • After testing aggressive chemicals Preparation Recommended pH calibration standard buffers: pH 4.01, pH 6.86 (NIST), pH 7.01, pH 9.18 (NIST), pH 10.01 Use pH 7.01 (HI7007) for neutral samples, pH 4.01(HI7004) for acidic samples, pH 10.01 (HI7010) for alkaline samples. -
Page 11: Ec / Tds
6. Rotate the EC / TDS calibration knob until reading is displayed at 25 °C. EC / TDS Conversion Factor HI9811-51 has a fixed EC to TDS conversion factor set to 0.5, i.e. 1 μS/ cm is equal to 0.5 ppm of TDS. -
Page 12: Measurement
7. MEASUREMENT 7.1. pH • Immerse the probe tip 4 cm (1 1/2”) into the sample. • Press pH key to select pH measurement mode. • Stir briefly and wait a few minutes for the measurement to stabilize. Screens from DY9812 Measured pH value is displayed on the screen. -
Page 13: Temperature
7.3. TEMPERATURE • Immerse the tip of the probe 4 cm (1 1/2”) into the sample. • Press the °C (Temperature) key. • Stir briefly and wait a few minutes for the measurement to stabilize. 12V3 received from Mech. Read value is displayed on the LCD. 7.4. -
Page 14: Ph Values At Various Temperatures
pH VALUES AT VARIOUS TEMPERATURES 8. pH VALUES AT VARIOUS TEMPERATURES Temp pH Values °C °F 4.01 6.86 7.01 9.18 10.01 4.01 6.98 7.13 9.46 10.32 4.00 6.95 7.10 9.39 10.24 4.00 6.92 7.07 9.33 10.18 4.00 6.90 7.05 9.27 10.12 4.00 6.88... -
Page 15: Probe Maintenance
9. PROBE MAINTENANCE Periodic Maintenance Proper care and maintenance is essential for accurate readings. Cleaning, calibrating, and appropriate storage extends the life of the probe. • Inspect connector for corrosion and replace probe if necessary. • Inspect probe and cable for cracks or points of broken insulation. If any present replace the probe. -
Page 16: Accessories
10. ACCESSORIES Ordering information Product description Probe Combination, amplified pH / EC / TDS / Temperature probe with HI1285-51 built- in temperature sensor, 8-pin DIN connector with 1 m (3.3’) cable pH Buffer Solutions HI7004L pH 4.01 buffer solution, 500 mL HI7006L pH 6.86 buffer solution, 500 mL HI7007L... -
Page 17: 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 18: Warranty
Damage due to accidents, misuse, tampering, or lack of prescribed maintenance is not covered. ® If service is required, contact your local Hanna Instruments office. If under warranty, report the model number, date of purchase, serial number (engraved on the bottom of the meter), and the nature of the problem. - Page 19 ® 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 MAN9811-51 Printed in ROMANIA...