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HI98129 Low Range pH/Conductivity/TDS Tester |
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Specifications |
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pH Range |
0.00 to 14.00 pH |
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pH Resolution |
0.01 pH |
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pH Accuracy |
±0.05 pH |
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Conductivity Range |
0 to 3999 µS/cm |
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Conductivity Resolution |
1 µS/cm |
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Conductivity Accuracy |
±2 % F.S. |
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TDS Range |
0 to 2000 ppm ( mg/L ) |
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TDS Resolution |
1 ppm ( mg/L ) |
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TDS Accuracy |
±2 % F.S. |
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Temperature Range |
0.0 to 60.0 °C / 32.0 to 140.0 °F |
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Temperature Resolution |
0.1 °C / 0.1 °F |
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Temperature Accuracy |
±0.5 °C /±1 °F |
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EC/TDS Calibration |
Automatic, one-point at: 1413 µS/cm, 1382 ppm ( mg/L ) |
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pH Calibration |
Automatic, at one or two points with two sets of standard buffers ( pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18 ) |
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Temperature Compensation |
pH: automatic; EC/TDS: automatic with β adjustable from 0.0 to 2.4 % / °C |
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TDS Conversion Factor |
0.45 to 1.00 |
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pH Electrode |
HI73127 ( replaceable; included ) |
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Battery Type/Life |
1.5V ( 4 ) / approx. 100 hours of continuous use, auto-off after 8 minutes of non-use |
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Environment |
0 to 50 °C ( 32 to 122 °F ); RH max 100 % |
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Dimensions |
163 x 40 x 26 mm ( 6.4 x 1.6 x 1.0’’ ) |
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Weight |
100 g ( 3.5 oz.) |
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Ordering Information |
HI98129 is supplied with HI73127 pH electrode and HI73128 electrode removal tool, batteries ( 4 x 1.5 V ) and instructions. |
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HI98121 pH/ORP/Temperature Combo Tester |
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Specifications |
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pH Range |
-2.00 to 16.00 pH |
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pH Resolution |
0.01 pH |
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pH Accuracy |
±0.05 pH |
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ORP Range |
±1000 mV |
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ORP Resolution |
1 mV |
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ORP Accuracy |
±2 mV |
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Temperature Range |
-5.0 to 60.0 °C / 23.0 to 140.0 °F |
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Temperature Resolution |
0.1 °C / 0.1 °F |
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Temperature Accuracy |
±0.5 °C /±1 °F |
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pH Calibration |
Automatic, at one or two points with two sets of standard buffers ( pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18 ) |
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Temp. Compensation |
Automatic for pH readings |
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Battery Type/Life |
1.5 V ( 4 ) / approximately 250 hours of continuous use; auto-off after 8 minutes of non-use |
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Electrode/Probe |
HI73127 replaceable pH electrode ( included ); fixed ORP sensor |
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Environment |
-5 to 50 °C ( 23 to 122 °F ); RH max 100 % |
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Dimensions |
163 x 40 x 26 mm ( 6.4 x 1.6 x 1.0’’ ) |
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Weight |
100 g ( 3.5 oz .) |
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Ordering Information |
HI98121 ( ORP/pH ) is supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries & instructions. |
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HI98130 Combo pH/Conductivity/TDS Tester ( High Range ) |
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Specifications |
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pH Range |
0.0 to 14.0 pH |
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pH Resolution |
0.01 pH |
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pH Accuracy |
±0.05 pH |
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Conductivity Range |
0.00 to 20.00 mS/cm |
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Conductivity Resolution |
0.01 mS/cm |
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Conductivity Accuracy |
±2 % F.S. |
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TDS Range |
0.00 to 10.00 ppt ( g/L ) |
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TDS Resolution |
0.01 ppt ( g/L ) |
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TDS Accuracy |
±2 % F.S. |
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Temperature Range |
0.0 to 60.0 °C / 32.0 to 140.0 °F |
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Temperature Resolution |
0.1 °C / 0.1 °F |
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Temperature Accuracy |
±0.5 °C /±1 °F |
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EC/TDS Calibration |
Automatic, one-point at: 12.88 mS/cm, 6.44 ppt ( g/L ) |
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pH Calibration |
Automatic, at one or two points with two sets of standard buffers ( pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18 ) |
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Temp. Compensation |
pH : automatic; EC/TDS : automatic with β adjustable from 0.0 to 2.4 % / °C |
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TDS Conversion Factor |
0.45 to 1.00 |
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pH Electrode |
HI73127 ( replaceable; included ) |
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Battery Type/Life |
1.5 V ( 4 ) / approx. 100 hours of continuous use, auto-off after 8 minutes of non-use |
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Environment |
0 to 50 °C ( 32 to 122 °F ); RH max 100 % |
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Dimensions |
163 x 40 x 26 mm ( 6.4 x 1.6 x 1.0’’ ) |
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Weight |
100 g ( 3.5 oz ) |
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Ordering Information |
HI98130 is supplied with HI73127 pH electrode and HI73128 electrode removal tool, batteries (4 x 1.5V) and instructions. |
