AW Gear Meters LLC-BA - Manual (Page 23)

LLC-BA Batch Unit
Operation and Programming Manual
22
situations (below 10Hz), the LLC-BA converts automatically to pulse-width measurement to increase the
accuracy of the display.
0000001 seconds
The display will not function if this variable is set to zero!
Use UP or DN to increase or decrease the value. Press ENT to store and advance to the next variable.
0-set mAs
This variable is used to set the lower range of the Batch Progress mA output and as a fine offset
adjustment for the output. Program with two decimal places of accuracy. The allowable range is 0.00mA
to 10.00mA. This variable is factory-set to produce a measured 4.00mA at the output but you can
change it to suit your application or for fine offset adjustment of the output.
0000x.xx mA (typ. 3.9x to 4.0x)
This variable only adjusts the analog output and does not affect the display.
Use UP or DN to increase or decrease the value. Press ENT to store and advance to the next variable.
KFR-Factor
For the LLC-BA to display data in an engineering unit such as GPM, you must program an appropriate
scaling factor. This factor is the KFR factor. KFR is caluculated using the K-factor of the transducer being
monitored. The K-factor is the number of impulses per engineering unit established by the transducer
manufacturer or by a calibration test.
00100.00 (factory default displays Hertz to two decimal places)
To calculate the KFR factor, use the following formula:
KFR = TIME BASE CONSTANT/K-FACTOR
where:
- 100 is the time base constant for engineering units per second
- 6000 is the time base constant for engineering units per minute
- 360000 is the time base constant for engineering units per hour
- K-FACTOR is the average number of pulses per desired engineering unit that the
transducer produces.
Notice
Notice