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HANNA HI9813-5 Portable pH/ EC/ TDS Meter
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The HI9813-5 is an economical, water resistant, portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single probe. The meter operation is simplified with dedicated buttons for measurement modes to be displayed on the LCD and knobs for single point calibration of pH and EC/TDS.
The HI9813-5 has a variable EC to TDS conversion factor that automatically changes from 0.56 to 0.78 ppm = 1 µS/cm based on the actual EC reading. All readings are automatically temperature compensated using a temperature correction coefficient (β) fixed at 2%/oC. The HI9813-5 is suitable for agricultural, greenhouse and hydroponic applications.
Specifications
pH Range 0.0 to 14.0 pH
pH Resolution 0.1 pH
pH Accuracy ±0.1 pH
pH Calibration manual, one point
Conductivity Range 0.00 to 4.00 mS/cm
Conductivity Resolution 0.01 mS/cm
Conductivity Accuracy ±2% F.S.
TDS Range 0 to 1999 ppm (mg/L)
TDS Resolution 1 ppm (mg/L)
TDS Accuracy ±2% F.S.
TDS Calibration manual, one point
Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F
Temperature Resolution 0.1°C
Temperature Accuracy ±0.5°C /±1°F
Temperature Compensation automatic from 0 to 50°C (32 to 122°F) with β=2%/°C typical
EC/TDS Calibration manual one-point
TDS Conversion Factor Variable based on reading from 0.56 to 0.72 according to the TDS 442 curve for natural water
Electrode/Probe HI1285-5 polypropylene body, pre-amplified multiparameter probe with internal temperature sensor, DIN connector and 1m cable
Battery Type/Life 9V / approximately 150 hours of continuous use
Environment 0 to 50°C (32 to 122°F); RH max 100%
Dimensions 145 x 80 x 36 mm (5.7 x 3.1 x 1.4”)
Weight 230 g (8.1 oz)
Ordering Information HI9813-5 is supplied with HI 1285-5 pH/EC/TDS/°C probe, HI 70007 pH 7.01 sachet (1), HI 70031 1413 µS/cm (1.413 mS/cm) sachet (1), HI 70442 1500 ppm sachet (1), HI 700661 cleaning solution sachet (2), 9V alkaline battery (1) and instruction manual.
Compatible Products: