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HI98191 Professional Waterproof Portable pH/ORP/ISE Meter |
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Specifications |
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pH Range |
-2.0 to 20.0 pH; -2.00 to 20.00 pH; -2.000 to 20.000 pH |
pH Resolution |
0.1 pH; 0.01 pH; 0.001 pH |
pH Accuracy |
±0.1; ±0.002 pH |
pH Calibration |
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 |
mV Range |
±2000 mV |
mV Resolution |
0.1 mV |
mV Accuracy |
±0.2 mV |
ISE Range |
From 1.00 E⁻⁷ to 9.99 E¹⁰ concentration |
ISE Resolution |
3 digits 0.01; 0.1; 1; 10 concentration |
ISE Accuracy |
±0.5 % of reading ( monovalent ions ), ±1 % of reading ( divalent ions ) |
ISE Calibration |
Up to five point calibration, six standard solutions available ( 0.1, 1, 10, 100, 1000, 10000 ppm ) |
Temperature Range |
-20.0 to 120.0 °C ( -4.0 to 248.0 °F ) |
Temperature Resolution |
0.1 °C ( 0.1 °F ) |
Temperature Accuracy |
±0.4 °C ( ±0.8°F ) ( excluding probe error ) |
Temperature Compensation |
Manual or automatic from -20.0 to 120.0 °C ( -4.0 to 248.0 °F ) |
Slope Calibration |
From 80 to 110 % |
Electrode/Probe |
HI72911B Titanium body, pH electrode with internal temperature sensor, BNC connector and 1 m ( 3.3’ cable ) |
Input Impedance |
10¹² Ohms |
Log-on-demand |
300 samples ( 100 each range pH, mV and ISE ) |
PC Connectivity |
opto-isolated USB with optional HI 92000 software and micro USB cable |
Battery Type/Life |
1.5V AA 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 % ( IP67 ) |
Dimensions |
185 x 93 x 35.2 mm ( 7.3 x 3.6 x 1.4” ) |
Weight |
400 g ( 14.2 oz ) |
Ordering Information |
HI98191 is supplied with HI72911B titanium body pH electrode, HI7004M pH 4.01 buffer solution ( 230 mL ), HI7007M pH 7.01 buffer solution ( 230 mL ), HI700601 electrode cleaning solution sachet ( 2 x 20 mL ), 100 mL plastic beaker ( 2 ), 1.5 V AA batteries ( 4 ), HI92000 PC software, HI920015 micro USB cable, instruction manual, quick start guide, instrument quality certificate, and HI720191 hard carrying case. |