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Manual abstract: user guide HANNA INSTRUMENTS HI 991301
Detailed instructions for use are in the User's Guide.
[. . . ] Replace the back, making sure that the gasket is properly seated in place, and tighten the screws.
HI 991301
SPECIFICATIONS
Range
Instruction Manual
Portable pH/EC/TDS/Temperature Meter
pH 0. 00 to 14. 00 EC 0. 00 to 20. 00 mS/cm TDS 0. 00 to 10. 00 ppt Temperature 0. 0 to 60. 0°C or 32. 0 to 140. 0°F Resolution pH 0. 01pH EC 0. 01 mS/cm TDS 0. 01 ppt 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: 12. 88 mS/cm, 6. 44 ppt (0. 5 conv. ) 9. 02 ppt (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")
Calibration solutions HI 77400P pH 4. 01 & 7. 01 (20 mL, 5 pcs each) HI 770710P pH 7. 01 & 10. 01 (20 mL, 5 pcs each) HI 70004P pH 4. 01 calibration solution (20 mL, 25 pcs) HI 70006P pH 6. 86 calibration solution (20 mL, 25 pcs) HI 70007P pH 7. 01 calibration solution (20 mL, 25 pcs) HI 70009P pH 9. 18 calibration solution (20 mL, 25 pcs) HI 70010P pH 10. 01 calibration solution (20 mL, 25 pcs) HI 70030P 12. 88 mS/cm @25°C (20 mL, 25 pcs) HI 70038P 6. 44 ppt (g/L) @25°C (20 mL, 25 pcs) Other accessories HI 710007 Protective rubber boot
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. [. . . ] · 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. · 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. 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. 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 Primary display Secondary display
°C °F
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. [. . . ] · 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 HI7030 calibration solution (mS 12. 88 USE). [. . . ]
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