Hanna-instruments HI 901 Manual do Utilizador descarregar pdf (Página 125)

A1-3

APPENDIX 1

A1 TECHNICAL SPECIFICATIONS

mV Range - 2000.0 to 2000.0 mV

Accuracy ±0.1 mV

Resolution 0.1 mV

pH Range - 2.000 to 20.000 pH

Accuracy ±0.001 pH

Resolution 0.1 / 0.01 / 0.001 pH

Temperature Range - 5.0 to 105.0 °C

23.0 to 221.0 °F

268.2 to 378.2 K

Accuracy ±0.1 °C

Resolution 0.1 °C

Dosing Accuracy 0.1 % of full nominal volume of the burette

Display Resolution 0.001 mL

Burette Sizes 5 mL Accuracy: ± 5 µL

10 mL Accuracy: ± 10 µL

25 mL Accuracy: ± 25 µL

50 mL Accuracy: ± 50 µL

Graphic Display 7.5 B/W graphical display with backlight.

Languages English, Italian, Portuguese.

Methods up to 100 (standard and user methods)

Burette size auto-detection and interchangeable burettes. The titrator automatically

detects the size of the burette when it is slid in the pump assembly.

Propeller Stirrer-Programmable Stirring Speed. 100-2500 RPM, automatically held

with a 100 RPM accepted tolerance.

Flow Rate: user-selectable (see 5.5.21 Volume/Flow Rate section for ranges).

Direct mV / pH Measurement.

Automatically Temperature Compensated pH Measurements.

pH Calibration with up to 5 buffers using Auto-Entry or Manual-Entry options; temperature

compensated buffers are internally stored for Auto-Entry option.

Potentiometric Titrations: Acid-Base (pH or mV-Mode), Redox, Precipitation,

Complexometric, Non-Aqueous, Ion-Selective, Argentometric, Voltametric (imposed current)

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Hanna-instruments HI 901 Manual do Utilizador Página 125