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The Hanna HI5520-series are dual channel models measuring pH, mV, conductivity, TDS, resistivity and salinity (HI5522 also measures ISE concentration), with separate temperature input.
| Model | HI5521 | |
| Ranges (resolution) |
pH
mV
EC
TDS
Resistivity
Salinity Concentration °C |
2.00 to 20.00 or -2.00 to 20.00 (0.1; 0.01; 0.001) ±2000.0 (0.1) 0.000 to 9.999µS (0.001), 10 to 99.99µS (0.01), 100 to 999.9µS (0.1), 1.000 to 9.999mS (0.001), 10.00 to 99.99mS (0.01), 100.0 to 1000.0mS (0.1) 0.000 to 9.999ppm (0.001), 10 to 99.99ppm (0.01), 100 to 999.9ppm (0.1), 1.000 to 9.999ppt (0.001), 10.00 to 99.99ppt (0.01), 100.0 to 400.0ppt (0.1) actual TDS (with 1.00 factor) 1.0 to 99.9ohm/cm, 100 to 999ohm/cm, 1.00 to 9.99kohm/cm, 10.0 to 99.9kohm/cm, 100 to 999kohm/cm, 1.00 to 9.99Mohm/cm, 10.0 to 100.0Mohm/cm Practical scale: 0.00 to 42.00psu; natural sea water scale: 0.00 to 80.00ppt; % scale: 0.0 to 400.0% NaCl — -20.0 to +120.0 (0.1) |
| Accuracy |
pH mV EC TDS Salinity Concentration °C |
±0.1; 0.01; 0.002; ±1 significant digit ±0.02 ±1 significant digit ±1% of reading (±0.01µS) ±2% of reading (±1 ohm/cm) ±1% of reading — ±0.2 |
| Calibration (automatic) |
pH
EC Salinity Concentration |
Up to 5 points with 8 memorised buffers (pH 1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) + 5 custom values Automatic standard recognition % scale-one point — |
| Temperature compensation | °C | Automatic or manual, from -20.0 to +120.0˚C |
| Datalogger | Up to 100,000 data point storage per channel | |
| Output | Opto-isolated USB | |
| Power | 12V d.c. mains adapter | |
| Overall L x W x H | mm | 231 x 160 x 94 |
| Weight | kg | 1.2 |
Supplied complete with pH electrode, EC/TDS probe (0.0500 to 200.0 cell constant), temperature probe, pH4 and pH7 buffer solutions, electrode holder, instructions and 12V d.c. mains adapter. A 230V 50/60Hz supply is required for the adapter.
Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
US$40
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