Hanna-instruments HI 904 Manual de usuario descargar pdf (Pagina 129)

A1-3

APPENDIX 1

A1 TECHNICAL SPECIFICATIONS

Range 1 ppm to 5%

Resolution 0.1 ppm

Result Units %, ppm, mg/g, µg/g, mg, µg, mg/mL, µg/mL, ppt,

mgBr/100g, gBr/100g, mgBr, gBr

Sample Type Liquid or Solid* (external dissolution/extraction)

Determination

Pre-Titration Conditioning Automatic

Background Drift Correction Automatic or User Selectable Value

Endpoint Criteria Fixed mV persistence, Relative drift stop or Absolute drift

stop

Dosing Dynamic with 3 speed settings

Result Statistics Mean, Standard Deviation

Titration Vessel

Type Borosilicate glass with standard taper glass joint connections

Operating Volume 100 - 200 mL

Septum Silicone rubber

Septum Cap Thread GL-18

Reagent Port Standard Taper 19

Detector Electrode

Type Dual platinum pin, polarization electrode

Electrical Connection BNC

Glass Connection Standard Taper 14/20

Polarization Current 1, 2, 5, 10 µA

Voltage Range 2 mV to 1100 mV

Voltage Resolution 0.1 mV

Accuracy ± 0.1%

Generator Electrode

Type Diaphragm or Diaphragm-less

Electrode Type Detection Automatic

Electrical Connection 5-pin connector with detachable cable

Glass Connection Standard Taper 29/12

Maximum Current 400 mA

Current Control Automatic or Fixed (400 mA)

Stirrer

Type Magnetic, Optically regulated, digital stirrer

Speed 200- 2000 RPM

Resolution 100 RPM

External Stirrer 4-pin mini DIN Connection allows for the control of an

external stirring apparatus

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Hanna-instruments HI 904 Manual de usuario Pagina 129