Keterangan
pH/ ORP Waterproof Portable Meter HI 98183
Mfg : HANNA
Descriptions :
pH Calibration Checkâ¢
Electrode condition on display
Five point pH calibration with seven standard buffers and five custom buffers
Automatic logging and log on demand
Menu driven for ease of use
Soft-key extended functionality
Multiple language selection
Contextual help at the touch of a button
GLP features
USB
Backlit, graphic LCD and battery life on display
Waterproof and rugged casing
Specifications :
Range : pH : -2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH
ORP : ± 2000 mV
Temperature : -20.0 to 120.0 ° C ( -4.0 to 248.0° F)
Resolutions : pH : 0.1; 0.01; 0.001 pH
ORP : 0.1 mV
Temperature : 0.1° C ( 0.1° F)
Accuracy @ 20° C : pH : ± 0.01; ± 0.002 pH
ORP : ± 0.2 mV
Temperature : ± 0.4° C ( ± 0.8° F) ( excluding probe error)
Calibration : pH : up to five point calibration, seven standard buffers available ( 1.68, 4.01, 6.86, 7.01,
9.18, 10.01, 12.45) + five custom buffers
slope : From 80 to 110%
pH Temp. : manual or automatic from -20.0 to 120.0° C ( -4.0 to 248.0° F)
Compensation
Probe : HI 72911B Titanium body, pH electrode with internal temperature sensor, BNC
connector and 1 m ( 3.3â cable)
Logging : log on demand 200 samples ( 100 ea. range)
PC Connectivity : opto-isolated USB with optional HI 92000 software
Input Impedance  : 1012 Ohms
Battery Type / Life : 1.2V AA rechargeable batteries ( 4) / approximately 200 hours of continuous use
without backlight ( 50 hours with backlight)
Auto-off : user selectable: 5, 10, 30, 60 min or can be disabled
Environment : 0 to 50° C ( 32 to 122° F) ; RH 100%
Dimensions : 226.5 x 95 x 52 mm ( 8.9 x 3.75 x 2â )
Weight : 525 g ( 18.5 oz.)