Comparision of Desktop Ph Meters

Name
Manufacturer
Model No.
Parameters
pH Range/Resolution/Accuracy
Other Features
Warranties
Price
Output
Ph/ISE and conductivity bench meterHanna InstrumentsHI 4522pH
ORP
ISE
EC
TDS
Resistivity
Salinity
-2.000 to 20.000 pH/ 0.1 pH; 0.01 pH; 0.001 pH/ ±0.1 pH; ±0.01 pH; ±0.002 pH ±1 LSDFive point automatic pH calibration with pH Calibration Check, Large memory (upto 10,000 records)1 Year$1,817.26 (amazon)color graphic LCD + USB port + RS232