Hach-Lange BIOGAS Basic User Manual - Manual (Page 39)

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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 pro-
grammable 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 con-
tinuous 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