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- EC Range: 0.000 to 9.999 μS/cm, 10.00 to 99.99 μS/cm, 100.0 to 999.9 μS/cm, 1.000 to 9.999 mS/cm, 10.00 to 99.99 mS/cm, 100.0 to 1000.0 mS/cm actual EC*
- EC Resolution: 0.001 μS/cm, 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.001 mS/cm, 0.01 mS/cm, 0.1 mS/cm
- EC Accuracy (@25ºC/77ºF): ±1% of reading (±0.01 μS/cm)
- EC Calibration: automatic standard recognition (0.000 μS/cm, 84.00 μS/cm, 1.413 mS/cm, 5.000 mS/cm, 12.88 mS/cm, 80.00 mS/cm, 111.8 mS/cm) or user standard; single point or multi-point calibration
- TDS Range: 0.000 to 9.999 ppm, 10.00 to 99.99 ppm, 100.0 to 999.9 ppm, 1.000 to 9.999 ppt, 10.00 to 99.99 ppt, 100.0 to 400.0 ppt actual TDS* (with 1.00 factor)
- TDS Resolution: 0.001 ppm, 0.01 ppm, 0.1 ppm, 1 ppm, 0.001 ppt, 0.01 ppt, 0.1 ppt
- TDS Accuracy (@25ºC/77ºF):±1% of reading (±0.01 ppm)
- Resistivity Range: 1.0 to 99.9 Ω•cm; 100 to 999 Ω•cm; 1.00 to 9.99 KΩ•cm; 10.0 to 99.9 KΩ•cm; 100 to 999 KΩ•cm; 1.00 to 9.99 MΩ•cm; 10.0 to 100.0 MΩ•cm
- Resistivity Resolution: 0.1 Ω•cm; 1 Ω•cm; 0.01 KΩ•cm; 0.1 KΩ•cm; 1 KΩ•cm; 0.01 MΩ•cm; 0.1 MΩ•cm*
- Resistivity Accuracy: ±2% of reading (±1 Ω•cm)
- Salinity Range: practical scale 0.00 to 42.00 psu; natural seawater scale: 0.00 to 80.00 ppt; percent scale: 0.0 to 400.0%
- Salinity Resolution: 0.01 for practical scale/natural seawater scale; 0.1% for percent scale
- Salinity Accuracy (@25ºC/77ºF): ±1% of reading
- Salinity Calibration: percent scale—one-point (with HI7037 standard)
- Temperature Range: -20.0 to 120.0 ºC**; -4.0 to 248.0 ºF**; 253.15 to 393.15 K**
- Temperature Resolution: 0.1 °C, 0.1 °F, 0.1 K
- Temperature Accuracy: ±0.2 °C; ±0.4 °F; ±0.2 K (without probe)
- Temperature Compensation: disabled, linear and non-linear (natural water)
- Temperature Coefficient: 0.00 to 10.00 %/°C
- Reference Temperature: 5.0 to 30.0 °C
Cell Constant: 0.0500 to 200.00
Cell Type: 4 cells
Electrode/Probe: HI76312 platinum, four-ring EC/TDS probe with and 1 m cable (included)
Profiles: up to 10, 5 each channel
USP ⟨645⟩ Compliant: yes
GLP: cell constant, reference temperature, temperature coefficient, calibration points, calibration time stamp, and probe offset for conductivity
Logging: record: 100,000 data point storage, up to 100 lots with max. 50,000 records/lot; interval: settable between 1 second and max log time of 180 minutes; type: automatic, manual, AutoHOLD; additional: 200 records USP
Display: color graphic LCD with on-screen help, graphing, and custom color configuration
Connectivity: USB
Environment: 0 to 50°C (32 to 122°F; 273 to 323 K), RH max 95% non-condensing
Power Supply: 12 VDC adapter (included)
Dimensions: 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)
Weight: 1.2 kg (2.64 lbs.)
Ordering Information: HI5321-02 is supplied with HI76312 conductivity probe, HI76404W electrode holder, 12 VDC power adapter and instructions
