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10

For temperature compensation during calibration, please refer to the 
following chart.

pH VALUES AT VARIOUS TEMPERATURES

TEMP

pH VALUES

°C

°F

4.01

6.86

7.01

9.18

10.01

0

32

4.01

6.98

7.13

9.46

10.32

5

41

4.00

6.95

7.10

9.39

10.24

10

50

4.00

6.92

7.07

9.33

10.18

15

59

4.00

6.90

7.05

9.27

10.12

20

68

4.00

6.88

7.03

9.22

10.06

25

77

4.01

6.86

7.01

9.18

10.01

30

86

4.02

6.85

7.00

9.14

9.96

35

95

4.03

6.84

6.99

9.11

9.92

40

104

4.04

6.84

6.98

9.07

9.88

45

113

4.05

6.83

6.98

9.04

9.85

50

122

4.06

6.83

6.98

9.01

9.82

55

131

4.08

6.84

6.98

8.99

9.79

60

140

4.09

6.84

6.98

8.97

9.77

65

149

4.11

6.84

6.99

8.95

9.76

70

158

4.12

6.85

6.99

8.93

9.75

For instance, if the buffer temperature is 25 °C, the display should 
show pH4.0 or 7.0 or 10.0.
If the buffer temperature is 10 °C, the display should show pH4.0 or 
7.0 or 10.1.

Содержание HI 9811-5

Страница 1: ...1 www hannainst com Instruction Manual HI9811 5 Portable pH EC TDS C Meters...

Страница 2: ...against defects in workmanship and materials when used for their intended purpose and maintained according to instructions Electrodes and probes are guaranteed for six months This warranty is limited...

Страница 3: ...cking material until you are sure that the instrument functions correctly Any defective item must be returned in the original packing together with the supplied accessories HI9811 5 is the complete ve...

Страница 4: ...obe 2 Liquid Crystal Display 3 pH range selection key 4 S cm EC range selection key 5 mg L TDS selection key 6 pH offset calibration knob 7 EC TDS calibration knob 8 C Temperature selection key 9 On O...

Страница 5: ...0 5 C Conversion Factor 0 5 pH Calibration Manual 1 point through offset trimmer EC TDS Calibration Manual 1 point through slope trimmer EC TDS Temperature Compensation Automatic from 0 to 70 C 32 to...

Страница 6: ...ak the tip in HI70300 storage solution for 30 minutes to reactivate it To take a pH measurement simply submerge the tip 4 cm 1 of the probe into the sample to be tested Select the pH mode Stir briefly...

Страница 7: ...is in TDS mode TAKING TEMPERATURE MEASUREMENTS Submerge the tip 4 cm 1 of the probe into the sample to be tested Select the C mode Stir briefly and wait a couple of minutes for the reading to adjust...

Страница 8: ...measure acidic samples or pH10 01 HI7010 for alkaline measurements If you need to calibrate to NIST standards use pH6 86 HI7006 instead of pH7 01 and pH9 18 HI7009 instead of pH10 01 PROCEDURE Connec...

Страница 9: ...cm 1 into the solution The thermometer has to be close to the probe If turning the knob the needed value can not be reached clean the probe see the Probe Maintenance section If also after the probe cl...

Страница 10: ...8 7 03 9 22 10 06 25 77 4 01 6 86 7 01 9 18 10 01 30 86 4 02 6 85 7 00 9 14 9 96 35 95 4 03 6 84 6 99 9 11 9 92 40 104 4 04 6 84 6 98 9 07 9 88 45 113 4 05 6 83 6 98 9 04 9 85 50 122 4 06 6 83 6 98 9...

Страница 11: ...quested to calibrate the meter only in EC or TDS range The other range is thus automatically calibrated PROCEDURE Pour approximately 4 cm 1 of a conductivity calibration solution e g HI70031 into a be...

Страница 12: ...battery immediately When the battery level is so low that it may cause unreliable measure ments the meter turns off Battery replacement must only take place in a nonhazardous area using a 9V alkaline...

Страница 13: ...a good performance of the probe a frequent cleaning is recommended For this purpose soak it in Hanna Instruments HI700661 Cleaning Solution for 5 minutes Notes For particular dirt as for example prot...

Страница 14: ...ottle HI7009L pH9 18 buffer solution 500 mL bottle HI7010L pH10 01 buffer solution 500 mL bottle CONDUCTIVITY TDS CALIBRATION SOLUTIONS HI7031L 1413 S cm solution 500 mL bottle HI7032L 1382 ppm mg L s...

Страница 15: ...advance notice Before using this product make sure it is entirely suitable for your specific application and for the environment in which it is used Any variation introduced by the user to the suppli...

Страница 16: ...ark 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA Phone 800 426 6287 Fax 401 765...

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