| SKU |
HI5521-02 |
| Product Name |
Laboratory Research Grade Benchtop pH/mV and EC/TDS/Salinity/Resistivity Meter – HI5521 |
| Quote Required |
Yes |
| pH Range |
-2.0 to 20.0 pH / -2.00 to 20.00 pH / -2.000 to 20.000 pH |
| pH Resolution |
0.1 pH / 0.01 pH / 0.001 pH |
| pH Accuracy |
±0.1 pH / ±0.01 pH / ±0.002 pH ± 1LSD |
| pH Calibration |
Up to five-point calibration, eight standard buffers available (pH 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 |
±2000.0 mV |
| mV Resolution |
0.1 mV |
| mV Accuracy |
±0.2 mV ± 1LSD |
| mV Relative Offset |
±2000.0 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 |
±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 |
±1% of reading (±0.01 ppm) |
| EC/TDS Temperature Compensation |
disabled, linear and non-linear (natural water) |
| Temperature Correction 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 |
| Salinity (% NaCl) Range |
0.0 to 400.0 % |
| Salinity (% NaCl) Resolution |
0.1 % |
| Salinity (% NaCl) Accuracy |
±1% of reading |
| Salinity (PSU) Range |
0.00 to 42.00 psu |
| Salinity (PSU) Resolution |
0.01 |
| Salinity (PSU) Accuracy |
±1% of reading |
| Salinity (PSU) Calibration |
1 point (with HI7037 standard) |
| Salinity Range |
0.00 to 80.00 ppt |
| Salinity Resolution (ppt) |
0.01 |
| Salinity Accuracy (ppt) |
±1% of reading |
| 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) |
| 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) |
| Input Channels |
2 (pH/mV; Conductivity/Resistivity/ TDS/Salinity) |
| pH Electrode |
HI1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included) |
| EC/TDS Probe |
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) |
| Logging Type |
Automatic, Manual, AutoHold |
| Logging Memory |
Up to 100 lots, 50,000 records max/lot; maximum 100,000 data points / channel |
| Logging Interval |
14 selectable between 1 second and 180 minutes |
| Connectivity |
Opto-isolated USB |
| GLP |
yes (GLP Channel 1 |
| Calibration Timeout Reminder |
yes |
| USP Compliant |
USP <645> Application |
| Profiles |
up to 10, 5 each channel |
| Display |
Color Graphic LCD 240 x 320 pixels, 8 keys capacitive touch keyboard |
| Power Supply |
12 VDC adapter (included) |
| Environment |
0 to 50°C (32 to 122°F; 273 to 323 K), RH max 95% non-condensing) |
| Dimensions |
160 x 231 x 94 mm (6.3 x 9.1 x 3.7”) |
| Weight |
1.2 Kg (2.6 lbs |
| Ordering Information |
HI5521 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. |
