Hach-Lange BIOGAS User Manual - Manual (Page 4)

4
Section 1 Specifications
Specifications are subject to change without notice.
Methods
End point titration 1 to 3 pre-set
Inflection point titration
Auto determination of 1 to 4 inflection points with
programmable IP acceptation windows.
IP detection using 1st and 2nd derivative curve.
Titration stops at pH, mV, mL, IP number
Titrant addition techniques
Incremental dynamic, incremental monotonic and
continuous dynamic.
Titrant calibration
pH electrode calibration
Up to 5 points using IUPAC standards or 4-7-10 Series
buffers with error recognition on buffer used.
Direct pH/mV measurements With recording on stable reading.
Back titration with manual
reagent addition
Sequencing of up to 3 methods
Coupling of 2 methods in one beaker
Measuring ranges - Resolution
pH value -9 to 23 pH - 0.001 pH
mV value ±2000 mV - 0.1 mV
Temperature -10 °C to +100 °C (14 to 212 °F) - 0.1 °C
Printout
Automatic. GLP compliant
3 levels of detail
Results
In each method, calculation of up to 4 results and 2
user-defined equations
Units
All standard units for samples/results
User-defined result units
Storage capacity
Global password protection for programming access
Non-volatile memory for storage of the last 60 results
10 user programmable methods
Libraries with more than 30 electrodes and 20 titrants
pre-identified
Embedded operating procedures for burette and
reagent exchange operations
Sample list
Up to 20 data with alphanumeric ID
Electrode stand - stirring
Magnetic stirrer 22 reproducible speeds (0 to 1100 rpm) in 50 rpm steps
Propeller connection
Beaker volume
5 to 400 mL