Hanna Instruments HI 904 - Manual (Page 129)

A1-3
APPENDIX 1
A1 TECHNICAL SPECIFICATIONS
Range 1 ppm to 5%
Resolution 0.1 ppm
Result Units %, ppm, mg/g,
µ
g/g, mg,
µ
g, mg/mL,
µ
g/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 µ A
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