pH Range

-2.000 to 20.000 pH

pH Resolution

0.1, 0.01, 0.001 pH

pH Accuracy (@25ºC/77ºF)

±0.1 pH, ±0.01 pH, ±0.002 pH ±1 LSD

pH Calibration

automatic, up to five point calibration, eight standard buffers available (1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01,12.45) and five custom buffers

pH Temperature Compensation

automatic or manual from -20.0 to 120.0 °C

mV Range

±2000 mV

mV Resolution

0.1 mV

mV Accuracy

±0.2 mV ±1 LSD

Relative mV Offset Range

±2000 mV

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

ISE Range

1 x 10⁻⁶ to 9.99 x 10¹⁰ concentration

ISE Resolution

1; 0.1; 0.01; 0.001 concentration

ISE Accuracy @ 25 °C/77 °F

±0.5% (monovalent ions); ±1% (divalent ions)

ISE Calibration Points

automatic, up to five point calibration, five fixed standard solutions available (0.1, 1, 10, 100, 1000 choice of concentration) and five user defined units

Cell Constant

0.0500 to 200.00

Cell Type

4 cells

Electrode/Probe

HI1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included); HI76312 platinum, four-ring EC/TDS probe with and 1 m (3.3’) cable (included)

Temperature Probe

HI7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)

Profiles

up to 10, 5 each channel

USP ⟨645⟩ Compliant

yes

GLP

calibration data including date, time, buffers used, offset and slope for pH. Cell constant, reference temperature, temperature coefficient, calibration points, calibration time stamp, 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

Input Channels

1 pH/ORP/ISE + 1 EC/TDS/Salinity/Resistivity

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

HI5522 is supplied with HI1131 pH electrode, HI7662-T temperature probe, HI76312 conductivity probe, HI76404W electrode holder, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700601 electrode cleaning solution sachet (2), HI7082 3.5M KCl electrolyte solution (30 mL), 12 VDC power adapter and instructions.

Notes

*Uncompensated conductivity (or TDS) is the conductivity (or TDS) value without temperature compensation. **Reduced to actual probe limits