Hanna HI-2600 Series EC/TDS/Salinity with logging

HI-2631 EC, TDS & Salinity Benchtop Meter with Data Logging

The HI-2631 Digital Benchtop Meter is designed for fast, accurate measurements of electrical conductivity (EC), total dissolved solids (TDS), salinity, and temperature. It utilises the Hanna Instruments HI-763100 digital conductivity electrode with integrated temperature sensor, providing reliable, temperature-compensated results for laboratory, classroom, and industrial applications.

In addition to EC and TDS, the HI-2631 supports salinity measurement and calibration and features built-in data logging, enabling easy record keeping, USB transfer, and traceable analysis. Automatic probe recognition simplifies setup and reduces errors, while the intuitive interface makes operation effortless.

Ideal for laboratories, research facilities, classrooms, and industrial quality control, the HI-2631 combines precision measurement, ease of use, and long-term reliability.

Key Features

EC / Conductivity measurement
TDS (Total Dissolved Solids)
Salinity measurement and calibration
Temperature measurement
Data logging and USB export
Automatic probe recognition

EC - using HI-763100 four-ring conductivity probe
EC Range		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, and absolute conductivity (TDS) is the conductivity value without temperature compensation
Resolution		0.01 µS/cm; 0.1 µS/cm; 1 µS/cm; 0.01 mS/cm; 0.1 mS/cm
Accuracy (@25°C)		±1% of reading (±0.5 µS/cm or 1 digit, whichever is greater)
Calibration		Cell factor calibration; six standards available: 84µS/cm, 1413 µS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 118.8 mS/cm, one point offset: 0.00 µS/cm
Temperature Compensation		Automatic, -5 to 100.0°C; NoTC, can be selected to measure absolute conductivity
Temperature Coefficient		0.00 to 6.00%/°C (for EC and TDS only), default value is 1.90%/°C
TDS - using HI-763100 four-ring conductivity probe
TDS Range		0.00 to 14.99 mg/L (ppm); 15.0 to 149.9 mg/L (ppm); 150 to 1499 mg/L (ppm); 1.50 to 14.99 g/L; 15.0 to 100.0 g/L; up to 400.0 g/L absolute TDS using 0.80 conversion factor
Resolution		0.01 mg/L (ppm); 0.1 mg/L (ppm); 1 (ppm); 0.01 g/L; 0.1 g/L
Accuracy (@25°C)		±1% of reading (±0.03 ppm or 1 digit, whichever is greater)
Calibration		through EC calibration
TDS Factor in Standard Mode		0.40 to 0.80 (default value is 0.50)
Salinity - using HI-763100 four-ring conductivity probe
Salinity Range		0.0 to 400.0 % NaCl; 2.00 to 42.00 PSU; 0.00 to 80.00 g/L
Resolution		0.1 % NaCl; 0.01 PSU; 0.01 g/L
Accuracy (@25°C)		±1% of reading
Calibration % NaCl only		one point with HI-7037 standard
Temperature
Temperature Range		-20.0 to 120.0 °C
Resolution		0.1°C
Accuracy		±0.5°C
Additional Specifications
Logging		Up to 1000 (standard mode) (400) records organised in: • Manual log-on demand, maximum 200 logs • Manual log-on-stability, maximum 200 logs • Interval logging in Standard Mode, maximum 600 logs (100 lots)
PC Interface		USB-C
Storage Interface		USB-C
Power supply		USB Type C (5 VDC; 500mA)
Environment		0 to 50°C; Maximum 95% RH non-condensing
Dimensions		205 x 160 x 77 mm
Weight		Approximately 0.85 kg

Multiparameter Meters

Hanna HI-2600 Series EC/TDS/Salinity with logging

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