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                           "pH meters, pH probes, pH controllers and much more"

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Multi-Function Meters

pH, Conductivity and Temperature

Dual function meters

HI 991300 Battery powered Portable Meter

HI 255       Bench Meter with two electrode arms






HI 991300 and HI 991301

Hanna Instruments pH, temperature and conductivity meter

?span style="font:7.0pt "Times New Roman"">         Waterproof

?span style="font:7.0pt "Times New Roman"">         4-in-1 probe

?span style="font:7.0pt "Times New Roman"">         Automatic calibration

?span style="font:7.0pt "Times New Roman"">       Automatic temperature compensation

Hanna offers a choice of two instruments to meet most water testing requirements. The HI 991300 and HI 991301 offer the combination of pH, conductivity, TDS, and temperature measure?/span>ments in C or F. Select the instrument that works best with the needed range of measurement.

With only two buttons, the user can select testing parameters, calibrate the sensor, and change the TDS factor and temperature coefficient (BETA). The housing is waterproof and rated for IP 67 conditions. The multifunctional, industrial probe houses the pH and conductivity sensor along with an integrated solid state amplifier to eliminate noise and interference.

The display shows temperature and either conductivity or pH.  The user can elect to display temperature as C or F and conductivity in ųS/cm (HI 991300)- mS/cm (HI 991301) or in ppm/ppt units (TDS).





HI 991300

HI 991301

pH Range

pH Accuracy pH Resolution

0.00 to 14.00 ?.01


0.00 to 14.00 ?.01


EC Range

EC Accuracy EC Resolution

0 to 3999 ųS/cm ?% F.S.

1 ųS/cm

0.00 to 19.99 mS/cm ?% F.S.

0.01 mS/cm

TDS Range

TDS Accuracy TDS Resolution

0 to 2000 ppm ?% F.S.

1 ppm

0.00 to 10.00 ppt

?% F.S. 0.01 ppt

Temperature Range Temperature Accuracy Temperature Resolution

0.0 to 60.0"C or 32 to 140"F
?.5"C or ?.0"F
0.1"C or 0.1"F

Typical EMC Deviation

pH: ?.3; EC/TDS: ?% F.S.; Temp.: ?.5`C or 1.0 F

EC/TDS Ratios

Selectable from 0.45, 0.50 (default), 0.55, 0.60, 0.65, 0.68, 0.70, 0.75, 1.00 ppm = 1 pS

pH Calibration

Automatic 1 or 2 points with 2 sets of memorized standard buffers (pH 4.01, 7.01, 10.01 or 4.01, 6.86, 9.18)

EC/TDS Calibration

Automatic 1 point at 1382 ppm; 1500 ppm; 1413 ųS/cm (others)

Automatic 1 point at 6.44 ppt (conv.=0.5); 9.02 ppt (conv.=0.7); 12880 ųS/cm (others)

Temp. Compensation

pH: Automatic from 0 to 60C; EC/TDS: Automatic from 0 to 60'C with a selectable 13 of
0.0, 1.8, 1.9 (default), 2.0, 2.1, 2.2, 2.3, 2.4%PC


HI 1288 pH/EC/TDS probe with built-in temperature sensor, DIN connector and 1 m (3.3') cable (included)


pH, ORP, Dissolved Oxygen, Conductivity and Temperature

HI 9828  Measure all of these parameters at the same time.  Great for field work.


Hanna Instruments HI 9828 Multi-function meter: pH, ORP, DO, Conductivity and Temperature






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Last modified: 29-Oct-2008