Hanna Instruments Marine Hi991300 Users Manual IS991300r3
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Eg. TEMP °C. Use the SET/HOLD button to change the temperature unit, and then press the MODE button three times, until the meter returns to normal measurement mode. HI 991300 To reset to the default calibration To clear a previous calibration, press the MODE button after entering the calibration mode. The lower LCD will display ESC for 1 second and the meter will return to normal measurement mode. The “CAL” symbol on the LCD will disappear. The meter will be reset to the default calibration. Range SPECIFICATIONS pH 0.00 to 14.00 EC 0 to 3999 µS/cm TDS 0 to 2000 ppm Temperature 0.0 to 60.0°C or 32.0 to 140.0°F Resolution pH 0.01pH EC 1 µS/cm TDS 1 ppm Temperature 0.1°C or 0.1°F Accuracy pH ±0.01pH (@20°C/68°F) EC/TDS ±2% F.S. Temperature ±0.5°C or ±1°F Typical EMC pH ±0.03pH Deviation EC/TDS ±2% F.S. Temperature ±0.5°C or ±1°F Temperature pH Automatic Compensation EC/TDS ß = 0.0 to 2.4%/°C pH Calibration 1 or 2 point with auto-buffer recognition 4.01/7.01/10.01 pH or 4.01/6.86/9.18 pH EC/TDS Calibration Automatic (25°C/77°F) 1 point at: 1413µS/cm, 1382 ppm (0.5 conv.), 1500 ppm (0.7 conv.) Conductivity to TDS 0.45 to 1.00 (CONV) Conversion Factor Probe HI 1288 pH/EC/TDS/temp. probe (included) Battery Type/Life 4 x 1.5V AAA with BEPS / 500 hours Environment 0 to 50°C (32 to 122°F); RH 100% Dimensions 143x80x38mm (5.6x3.2x1.5”) Battery replacement The meter displays the remaining battery percentage every time it is turned on. When the battery level is below 5%, the - + symbol on the bottom left of the LCD lights up to indicate a low battery condition. If the battery level is so low as to cause erroneous reading, the Battery Error Prevention System (BEPS) will automatically turn the meter off. To change the batteries, remove the 4 screws located on the back of the meter. Once the back has been removed, carefully replace the 4 AAA batteries located in the compartment while paying attention to their polarity. Replace the back, making sure that the gasket is properly seated in place, and tighten the screws. Calibration solutions HI 77400P pH 4.01 & 7.01 solutions, 20 mL sachets (5 each) HI 770710P pH 7.01 & 10.01 solutions, 20 mL sachets (5 each) HI 70004P pH 4.01 solution, 20 mL sachet (25 pcs) HI 70006P pH 6.86 solution, 20 mL sachet (25 pcs) HI 70007P pH 7.01 solution, 20 mL sachet (25 pcs) HI 70009P pH 9.18 solution, 20 mL sachet (25 pcs) HI 70010P pH 10.01 solution, 20 mL sachet (25 pcs) pH 7.01 & 1413 µS/cm @25°C (20 mL, 10 pcs each) HI 77100P HI 77200P pH 7.01 & 1500ppm @25°C (20 mL, 10 pcs each) HI 77300P pH 7.01 & 1382 ppm @25°C (20 mL, 10 pcs each) HI 70031P 1413 µS/cm @25°C solution, 20 mL sachet (25 pcs) HI 70442P 1500 ppm @25°C solution, 20 mL sachet (25 pcs) HI 70032P 1382 ppm @25°C solution, 20 mL sachet (25 pcs) OPERATIONAL GUIDE To connect the probe Connect the HI 1288 probe to the DIN socket on the top of the meter by aligning the pins and pushing in the plug. Tighten the nut to ensure a good connection. Remove the protective cap from the HI 1288 probe before taking any measurement. To turn the meter on and to check battery status Press and hold the ON/OFF/MODE button for 2 seconds. All the used segments on the LCD will be visible for a few seconds, followed by a percent indication of the remaining battery life. Eg. % 100 BATT. Other accessories HI 710007 Protective rubber boot To select the measurement unit (pH or EC or TDS) Press the SET/HOLD button while in normal measurement mode. The meter will display pH or EC or TDS.Temperature will always be displayed on the bottom. Eg. pH 5.73 22.5 °C. HI 991300 is in compliance with the CE directives. IS991300R3 11/00 w w w . h a n n a i n s t . c o Instruction Manual Portable pH/EC/TDS/Temperature Meter m To freeze the display Press and hold the SET/HOLD button until HOLD appears on the secondary display. Eg. pH 5.73 hold. Press either button to return to normal mode. To turn the meter off Press and hold the ON/OFF/MODE button while in normal measurement mode. OFF will appear on the lower part of the display. Release the button. pH MEASUREMENTS & CALIBRATION • Before taking any measurement make sure the meter has been calibrated. • If the probe has been left dry, soak in a storage or pH 7 solution at least for one hour to reactivate it. • Select the pH mode with the SET/HOLD button. • Submerge the probe in the sample to be tested while stirring it gently. Wait until the stability symbol on the top left of the LCD disappears. • The pH value automatically compensated for temperature is shown on the primary LCD while the secondary LCD shows the temperature of the sample. • If measurements are taken in different samples successively, rinse the probe tip thoroughly to eliminate crosscontamination; and after cleaning, rinse the probe tip with some of the sample to be measured. Calibration buffer set • While in pH measurement mode, press and hold the MODE button until TEMP and the current temperature unit are displayed on the lower LCD. Eg. TEMP °C. • Press the MODE button again to show the current buffer set: pH 7.01 BUFF (for 4.01/7.01/10.01) or pH 6.86 BUFF (for 4.01/6.86/9.18). • Press the SET/HOLD button to change the buffer set. • Press the MODE button to return to normal pH measurement mode. pH calibration • While in pH measurement mode, press and hold the MODE button until CAL is displayed on the lower LCD. • Release the button. The LCD will display pH 7.01 USE or pH 6.86 USE (if you have selected the NIST buffer set). • For a single point pH calibration, place the probe in any buffer from the selected buffer set (eg. pH 4.01 or pH 7.01 or pH 10.01). The meter will automatically recognize the buffer value. If using pH 7.01 (or 6.86 from the NIST buffer set), after recognition of the buffer press the MODE button to return to the pH measurement mode. • For a two point pH calibration, place the probe in pH 7.01 (or 6.86, if you have selected the NIST buffer set). The meter will recognize the buffer value and then display pH 4.01 USE. Stabilty indicator Battery percentage Low battery indicator AT C ppm ppt µS pH Secondary display % CAL - + Primary display °C °F Selectable temperature unit Place the probe in the second buffer (pH 4.01 or 10.01, or, if using NIST, pH 4.01 or 9.18). When the second buffer is recognized, the LCD will display OK for 1 second and the meter will return to normal measurement mode. EC/TDS MEASUREMENTS & CALIBRATION • Place the probe in the sample to be tested. Use plastic beakers or containers to minimize any electromagnetic interference. • Select either EC or TDS mode with the SET/HOLD button. • Tap the probe lightly on the bottom of the container to remove air bubbles that may be trapped inside the tip. • Wait for a few minutes for the temperature sensor to reach thermal equilibirium (i.e. until the stability symbol on the top left of the LCD disappears). • The meter will show the EC/TDS value automatically compensated for temperature and the temperature of the sample. To change the EC/TDS conversion factor (CONV) and the EC/TDS temperature compensation (BETA) • While in EC/TDS measurement mode, press and hold the MODE button until TEMP and the current temperature unit are displayed on the lower LCD. Eg. TEMP °C. • Press the MODE button again to show the current conversion factor. Eg. 0.50 CONV. • Press the SET/HOLD button to change the conversion factor. • Press the MODE button to show the current temperature compensation ß. Eg. 2.1 BETA. • Press the SET/HOLD button to change the temperature compensation ß. • Press the MODE button return to normal operation. EC calibration • While in the EC measurement mode, press and hold the MODE button until CAL is displayed on the lower LCD. • Release the button and immerse the probe in HI7031 calibration solution (µS 1413 USE). • Once the calibration has been automatically performed, the LCD will display OK for 1 second and return to normal measurement mode. • Since there is a known relationship between the EC and TDS reading, it is not necessary to calibrate the meter in TDS. If the EC/TDS conversion factor is either 0.5 or 0.7, the meter will allow a direct calibration in ppm by using the Hanna calibration solutions listed below. TO CHANGE THE TEMPERATURE UNIT (FROM °C TO °F) Press and hold the MODE button until TEMP and the current temperature unit are displayed on the secondary LCD.
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