Resistivity Range 0 to 999999 Ω·cm 0 to 1000.0 kΩ·cm 0 to 1.0000 MΩ·cm depending on resistivity reading Resolution 1 Ω·cm; 0.1 kΩ·cm; 0.0001 MΩ·cm Calibration Based on conductivity calibration TDS Range 0 to 400000 ppm (mg/L) (the maximum value depends on the TDS factor) Resolution •Manual: 1 ppm (mg/L); 0.001 ppt (g/L); 0.01 ppt (g/L); 0.1 ppt (g/L); 1 ppt (g/L) •Automatic: 1 ppm (mg/L) from 0 to 9999 ppm (mg/L); 0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L); 0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L) •Automatic: ppt (g/L): 0.001 ppt (g/L) from 0.000 to 9.999 ppt (g/L); 0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L); 0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L) Accuracy ±1 % of reading or ±1 ppm (mg/L), whichever is greater Calibration Based on conductivity or salinity calibration Salinity Range 0.00 to 70.00 PSU Resolution 0.01 PSU Accuracy ±2% of reading or ±0.01 PSU, whichever is greater Calibration One point, using a custom solution Seawater Sigma Range 0.0 to 50.0 σt, σÌ, σÍÎ Resolution 0.1 σt, σÌ, σÍÎ Accuracy ±1.0 σt, σÌ, σÍÎ Calibration Based on conductivity or salinity calibration Turbidity Range 0.0 to 99.9 FNU; 100 to 1000 FNU Resolution 0.1 FNU from 0.0 to 99.9 FNU; 1 FNU from 100 to 1000 FNU Accuracy ±0.3 FNU or ±2 % of reading, whichever is greater Calibration Automatic Up to three points using 0 FNU, 20 FNU, 200 FNU, and a custom Atmospheric pressure Range 450.0 to 850.0 mmHg 17.72 to 33.46 inHg 600.0 to 1133.2 mbar 8.702 to 16.436 psi 0.5921 to 1.1184 atm 60.00 to 113.32 kPa Resolution 0.1 mmHg 0.01 inHg 0.1 mbar 0.001 psi 0.0001 atm 0.01 kPa Accuracy ±3.0 mmHg within ±15 °C from calibration temperature Calibration Automatic at one custom point Temperature Range −5.00 to 50.00 °C; 23.00 to 122.00 °F; 268.15 to 323.15 K Resolution 0.01 °C; 0.01 °F; 0.01 K Accuracy ±0.15 °C; ±0.27 °F; ±0.15 K Calibration Automatic at one custom point Additional specifications Temperature compensation Automatic −5 to 50°C; 23 to 122 °F; 268.15 to 323.15 K Logging memory •Interval logging 50000 records •Log-on-demand (all parameters) 20000 records Logging interval 1 second to 3 hours USB-C (Host) functions Mass-storage host USB-C (Device) functions Mass-storage device Protection rating IP67 Environment 0 to 50 °C (32 to 122 °F); RH 100 % Battery type 4 x 1.5 V AA alkaline batteries; 1 x internal, Li-ion rechargeable battery Battery life ≈ 126 hours 90 hours using alkaline AA batteries 36 hours using Li-ion battery** Dimensions 185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”) Weight 435 g (13.3 oz) Ordering information All HI98594 models are supplied with: HI7698594 multisensor probe; HI7698296 protective probe shield; HI76984942 probe maintenance kit; HI7698194-1 pH/ORP sensor; HI7698594-4 EC/Turbidity sensor; HI7698594-5 optical DO sensor; HI764113-1 DO Smart Cap with o-ring; HI7698293 long calibration beaker; HI9828-25 quick calibration standard solution (500 mL); HI7040 zero oxygen solution set (120 mL); HI9829-16 0 FNU calibration solution (230 mL); HI9829-17 20 FNU calibration solution (230 mL); HI9829-18 200 FNU calibration solution (230 mL); HI710034 protective rubber boot; HI920016 USB cable; 1.5V AA alkaline batteries (4 pieces); quality certificates (instrument, probe, DO Smart Cap); and quick reference guide.. HI98594 is supplied with multisensor probe with 4m (13.1’) cable HI98594/10 is supplied with multisensor probe with 10m (33.0’) cable HI98594/20 is supplied with multisensor probe with 20m (65.6’) cable HI98594/30 is supplied with multisensor probe with 30m (98.4’) cable HI98594/40 is supplied with multisensor probe with 40m (131.2’) cable HI98594/50 is supplied with multisensor probe with 50m (164’) cable Accessories HI710034 orange protective rubber boot HI710036 black protective rubber boot The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. *The range may be limited by the sensor’s limits. ** Estimated time given without backlight and Bluetooth® 7 Multiparameter 7.55 www.hannainst.com | portable
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