Máy đo đa năng EC/điện trở/TDS/mặn/nhiệt độ HANNA HI4321
THÔNG SỐ KỸ THUẬT:
Model: HI 4321
Hãng sản xuất: HANNA - Ý
Range EC 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 mS/cm (actual EC)
Resistivity 1.0 to 99.9 Ohms x cm; 100 to 999 Ohms x cm; 1.00 to 9.99 kOhms x cm; 10.0 to 99.9 kOhms x cm; 100 to 999 kOhms x cm; 1.00 to 9.99 MOhms x cm; 10.0 to 100.0 MOhms x cm
TDS 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)
Salinity practical scale: 0.00 to 42.00 psu; natural sea water scale: 0.00 to 80.00 ppt; percent scale: 0.0 to 400.0%
Temperature -20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K
Resolution EC 0.001 µS/cm; 0.01 µS/cm; 0.1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm
Resistivity 0.1 Ohms x cm; 1 Ohms x cm; 0.01 kOhms x cm; 0.1 kOhms x cm; 1 kOhms x cm; 0.01 MOhms x cm; 0.1 MOhms x cm
TDS 0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt
Salinity 0.01 for practical scale/natural sea water scale; 0.1% for percent scale
Temperature 0.1°C; 0.1°F; 0.1K
Accuracy EC ±1% of reading (±0.01 µS/cm)
Resistivity ±2% of reading (±1 Ohm x cm)
TDS ±1% of reading (±0.01 ppm)
Salinity ±1% of reading
Temperature ±0.2°C; ±0.4°F; ±0.2K (excluding probe error)
Calibration EC auto standard recognition, custom calibration solution/four point calibration
Salinity percent scale—one point (with HI 7037 standard)
Temperature three points
Temperature
Compensation linear and non-linear (natural water)
TDS Factor 0.40 to 1.00
EC Probe HI 76312 platinum, four ring conductivity/TDS probe with internal temperature sensor and 1 m (3.3’) cable (included)
Temperature
Probe HI 7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)
Logging Record 100 lots with 10,000 record/lot
Interval settable between one and max log time
Type automatic, log on demand, AutoHold
Replatinization yes
Display 240 x 320 dot-matrix color LCD with on-screen help, graphing, language selection and custom configuration
PC Connection RS232, USB
Power Supply 12 VDC adapter (included)
Environment 0-50ºC (32 to 122ºF) (273 to 323K) 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.)
