EC/TDS Starter Benchtop Meter (HI2630 and HI2631) - HI263X
EC/TDS Starter Benchtop Meter (HI2630 and HI2631)
- Automatic parameter recognition
- Choice of measurement unit:
- Conductivity: μS/cm, mS/cm
- TDS: ppm (mg/L), g/L
- Simplified operation for routine measurements
| Specification | Details |
|---|
HI2630 and HI2631 Features

- Conductivity Measurement: Yes – μS/cm, mS/cm
- TDS Measurement: Yes – ppm (mg/L), g/L
- Salinity Measurement: No
- Data Logging: No
- PC/USB Data Export: No
- Standard Mode (Full Features): No

- Conductivity Measurement: Yes – μS/cm, mS/cm
- TDS Measurement: Yes – ppm (mg/L), g/L
- Salinity Measurement: Yes – NaCl, PSU, g/L
- Data Logging: Yes – up to 1000 logs
- PC/USB Data Export: Yes
- Standard Mode (Full Features): Yes
The Benchtop Meter for Every Lab Setting
With a color LCD display, capacitive touch keypad, and clear on-screen text guides, users can easily set up, calibrate, and measure quickly.
Our Simple Benchtop Meters are designed for both experienced professionals and those who prefer a straightforward, streamlined workflow.
Digital Smart Electrodes for Enhanced Measurements

Our Simple Benchtop Meters (HI2630 and HI2631) measure EC and TDS with the supplied Conductivity Digital Smart Electrode (HI763100).
- Designed for various industries and applications, this probe is durable and suitable for use in chemical analysis.
- Collect stable readings even in electrically noisy environments and eliminate drift with automatic noise filtering and digital processing.
- The built-in temperature sensor ensures optimal temperature compensation. There is no need to manage an additional temperature probe.
- Change electrodes easily without recalibrating. All data from the last calibration is stored in the electrode for faster setup and less maintenance when switching electrodes.
- Gain traceability with automatic sensor recognition and a unique serial ID number for each Digital Electrode.
- Equipped with a modern 3.5 mm connector that is sealed to protect against moisture and corrosion.

What's Included
- EC/TDS Starter Benchtop Meter (HI2630/HI2631)
- HI763100 Digital conductivity electrode
- EC calibration kit:
- 1413 μS/cm conductivity standard solution – 4 sachets
- 12880 μS/cm conductivity standard solution – 2 sachets
- 5000 μS/cm conductivity standard solution – 2 sachets
- Electrode rinse solution – 2 sachets
- HI764026 Electrode holder for HI2600 family
- HI920018 1.5 m USB-C to USB-C cable
- USB-C power adapter
- Instrument quality certificate
- Electrode quality certificate
- Battery safety insert
- Quick reference guide with QR code for instruction manual download
Specifications
| Models | HI2630 and HI2631 using the 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 absolute conductivity |
| EC Resolution | 0.01 μS/cm 0.1 μS/cm 1 μS/cm 0.01 mS/cm 0.1 mS/cm |
| EC Accuracy at 25 °C / 77 °F | ±1% of reading (±0.05 μS/cm or 1 digit, whichever is greater) |
| TDS Range | 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 with 0.80 factor |
| TDS Resolution | 0.01 ppm 0.1 ppm 1 ppm 0.01 g/L |
| TDS Accuracy at 25 °C / 77 °F | ±1% of reading (±0.03 ppm or 1 digit, whichever is greater) |
| Salinity Range | 0.0 to 400.0 % NaCl 2.00 to 42.00 PSU 0.00 to 80.00 g/L |
| Salinity Resolution | 0.1% NaCl 0.01 PSU 0.01 g/L |
| Salinity Accuracy at 25 °C / 77 °F | ±1% of reading |
| Temperature Range | −20.0 to 120.0 °C −4.0 to 248.0 °F |
| Temperature Resolution | 0.1 °C 0.1 °F |
| Temperature Accuracy at 25 °C / 77 °F | ±0.5 °C ±0.9 °F |
| EC Calibration | Cell factor calibration Six standards available: 84 μS/cm 1413 μS/cm 5.00 mS/cm 12.88 mS/cm 80.0 mS/cm 111.8 mS/cm One point offset: 0.00 μS/cm |
| Salinity Calibration | Single point with HI7037 standard |
| Temperature Compensation | Automatic: −5 to 100 °C (23 to 212 °F) NoTC can be selected to measure absolute conductivity |
| Conductivity Temperature Coefficient | 0.00 to 6.00 %/°C EC and TDS only 1.90 %/°C default |
| TDS Factor | 0.40 to 0.80 0.50 default |
| Salinity Compensation | 0 to 40 g/L |
| Logging – HI2631 Only | Up to 1000 records Manual log-on-demand: maximum 200 logs Manual log-on-stability: maximum 200 logs Interval logging: maximum 600 logs (100 lots) |
| PC Interface – HI2631 Only | USB-C |
| Power Supply | USB Type-C 5 VDC; 500 mA |
| Environment | 0 to 50 °C (32 to 122 °F) Maximum 95% RH non-condensing |
| Dimensions | 205 × 160 × 77 mm (8.0 × 6.2 × 3.0 inches) |
| Weight | Approximately 0.85 kg (1.87 lbs.) |
* Features marked for HI2631 are available when operating in Standard Mode.
** Temperature limits will be reduced to actual probe limits.
*** Absolute conductivity (TDS) is the conductivity value without temperature compensation.
The HI2630 and HI2631 provide fast and accurate conductivity and TDS measurements using the HI763100 digital conductivity electrode. Automatic sensor recognition, integrated temperature measurement, temperature compensation and a simple user interface make these meters suitable for routine laboratory measurements.
The HI2631 additionally provides salinity measurement, calibration, data logging and USB-C data transfer, making it suitable for applications requiring stored and transferable measurement records.
Specifications
| Specification | Detail |
|---|---|
| HI2630 and HI2631 | using the 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 absolute conductivity ‡ |
| EC Resolution | 0.01 μS/cm 0.1 μS/cm 1 μS/cm 0.01 mS/cm 0.1 mS/cm |
| EC Accuracy at 25 °C / 77 °F | ±1% of reading (±0.05 μS/cm or 1 digit,whichever is greater) |
| TDS Range | 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 (with 0.80 factor) absoluteTDS*** |
| TDS Resolution | 0.01 ppm 0.1 ppm 1 ppm 0.01 g/L |
| TDS Accuracy at 25 °C / 77 °F | ±1% of reading (±0.03 ppm or 1 digit, whichever is greater |
| Salinity* Range | 0.0 to 400.0 % NaCl 2.00 to 42.00 PSU 0.00 to 80.00 g/L |
| Salinity* Resolution | 0.1% NaCl 0.01 PSU 0.01 g/L |
| Salinity* Accuracy at 25 °C / 77 °F | ±1% of reading |
| Temperature Range | −20.0 to 120.0 °C**(−4.0 to 248.0 °F) |
| Temperature Resolution | 0.1 °C (0.1 °F) |
| Temperature Accuracy at 25 °C / 77 °F | ±0.5 °C (0.9 °F) |
| EC calibration | "Cell factor calibration Six standards available: 84 µS/cm, 1413 μS/cm 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm One point offset: 0.00 μS/cm" |
| Salinity calibration* (% NaCl only) | Single point with HI7037 standard |
| Temperature compensation | • Automatic, −5 to 100 °C (23 to 212 °F) • NoTC, can be selected to measure absolute conductivity |
| Conductivity temperature coefficient* | 0.00 to 6.00 %/°C (EC and TDS only) (1.90 %/°C default) |
| TDS factor* | 0.40 to 0.80 (0.50 default) |
| DO Salinity compensation | 0 to 40 g/L |
| Logging (HI2631 only) | Up to 1000* (400) records organized in: • Manual log-on-demand, maximum 200 logs • Manual log-on-stability, maximum 200 logs • Interval logging, maximum 600 logs (100 lots)* |
| Notes | *When operating in Standard Mode in HI2631 only!br>** Temperature limits will be reduced to actual probe limits. *** Absolute conductivity (TDS) is the conductivity value without temperature compensation. |
| PC interface (HI2631 only) | USB-C |
| Power supply | USB Type C (5 VDC; 500 mA) |
| Environment | 0 to 50 °C (32 to 122 °F) Maximum 95 % RH non-condensing |
| Dimensions | 205 x 160 x 77 mm (8.0 x 6.2 x 3.0 inches) |
| Weight | Approximately 0.85 kg (1.87 lbs.) |
Ordering Info
| EC/TDS Starter Benchtop Meter (HI2630/HI2631) |
| • HI763100 Digital conductivity electrode |
| • EC calibration kit: |
| - 1413 μS/cm conductivity standard solution (4 sachets) |
| - 12880 μS/cm conductivity standard solution (2 sachets) |
| - 5000 μS/cm conductivity standard solution (2 sachets) |
| - Electrode rinse solution (2 sachets) |
| • HI764026 Electrode holder for HI2600 family |
| • HI920018 1.5 m USB-C to USB-C cable |
| • USB-C power adapter |
| • Instrument quality certificate |
| • Electrode quality certificate |
| • Battery safety insert |
Manuals
EC/TDS Starter Benchtop Meter (HI2630 and HI2631)LATEST REVIEWS
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