Berthold LB 444 - Measurement Operation

Density Meter LB 444 SECTION 5. GETTING STARTED
44
2. Select menu Parameter / Product Data via the key <
more
>.
2.1 Select Parameter menu with <
sk1
> and with <
more
> call the parameters
sequentially.
•
Select product
•
Select detector and isotope
•
Measuring path in product (e.g. pipe diameter) in cm
•
Select Measure mode (i.e. continuous)
•
Enter time constant (e.g. 60 s)
•
Disable or enable rapid switch-over
•
Disable or enable Interference Radiation
•
Default max. countrate (e.g. 100000 I/s)
•
Default min. countrate (e.g. 0 I/s)
•
For TC via current input:
Select current input range 0-20mA or 4-20mA
Enter temperature value for 0/4mA and 20mA
Return to the menu group with <
done
>.
2.2 Select Product Data menu with <
sk2
> and with <
more
> call the parameters
sequentially
•
Select product
•
Select current output 0 –20 or 4 – 20 mA
•
Define current output limit values 0/4 and 20 mA
•
Define current output error message
•
Define Relay 2: Function (Min)
•
Switchpoint (e.g. 1.2 g/cm
3
)
•
Hysteresis (e.g. 5 %)
•
Define Relay 3: Function (Max)
•
Switchpoint (e.g. 1.6 g/cm³)
•
Hysteresis (e.g. 5 %)
•
Only for suspension measurements
Enter solids density in g/cm³ for the selected product
Enter liquid density in g/cm³
Activate Water TC when solution is to be measured with water as
carrier liquid.
•
Enter reference temperature
•
In all other cases:
Calculate and enter temperature coefficient TC1 (linear)
Calculate and enter temperature coefficient TC2 (square)
•
Enter reference temperature
Return to the menu group with <
done
>.