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Model

HI-9835

Range

EC

0.00 to 29.99 µS/cm; 30.0 to 299.9 µS/cm; 300 to 2999 µS/cm;
3.00 to 29.99 mS/cm; 30.0 to 200.0 mS/cm; up to 500.0 mS/cm (actual EC)

Range

TDS

0.00 to 14.99 ppm (mg/L); 15.0 to 149.9 ppm (mg/L); 150 to 1499 ppm (mg/L);
1.50 to 14.99 g/L; 15.0 to 100.0 g/L up to 400.0 g/L (actual TDS)

Range

NaCl

0.0 to 400.0%

Range

Temp

0.0 to 60.0°C

Resolution

EC

0.01 µS/cm; 0.1 µS/cm; 1 µS/cm;
0.01 mS/cm; 0.1 mS/cm

Resolution

TDS

0.01 ppm (mg/L); 0.1 ppm (mg/L); 1 ppm (mg/L);
0.01 g/L; 0.1 g/L

Resolution

NaCl

0.1%

Resolution

Temp

0.1°C

Accuracy

EC

±1% ±(0.05 µS/cm or 1 digit)

Accuracy

TDS

±1% ±(0.03 ppm or 1 digit)

Accuracy

NaCl

±1%

Accuracy

Temp

±0.4°C

Calibration

EC

automatic, 1 point, with 6 memorized values
(84, 1413, 5000, 12880, 80000 and 111800 µS/cm)

Calibration

NaCl

1 point, with HI 7037 calibration solution (not included)

Calibration

Temp

2 point, at 0 and 50°C (32 to 122°F)

Temperature Compensation

automatic or manual, 0 to 60°C (32 to 140°F);
can be disable for measuring actual EC and TDS

Temperature Coefficient

adjustable from 0.00 to 6.00%/°C (EC and TDS only)

TDS Conversion Factor

adjustable from 0.40 to 0.80

Probe

HI 76309, 4-ring probe, K=1 nominal,
built-in temperature sensor (included)

Power Supply

4 x 1.5V AA batteries (included) or 12 Vdc input;
auto-off after 5 minutes of non-use (can be disabled)

Environment

0 to 50°C (32 to 122°F); RH max 100%

Dimensions

196 x 80 x60 mm (7.7 x 3.1 x 2.4")

Weight

500 g (1.1 lb.)