LW Measurements LCT 110 - Manual (Page 18)

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4.2.2 Advanced piece counting functions
4.2.2.1. Alarm
To avoid counting errors, the weighing machine has a useful alarm function to inform the operator of any
counting error in case of low sample size or low sample weight.
4.2.2.2 Low sample warning
The low sample indicator on the display will activate if the total weight of sample is below the limit value.
To rectify, press CE key. Use a larger sample size (more weight), key in sample size on the numeric
keypad and press SAMPLE/UNIT.
4.2.2.3 Unit weight enhancement (pieces counting)
The scale will automatically adjust and calculate new average unit weight when more samples are slowly
placed on the scale. This ensures higher accuracy as samples are now based on larger population size.
4.2.2.4 Low piece weight
The Low Piece Weight indicator will turn on if the averaged unit weight or set unit weight is not enough for
an accurate counting operation. Operator may use scale even this indicator turn on, but counting error
might occur.
4.2.2.5 High / Low check-weighing with counting
THE LCT series has a useful check function to give guidance to the operator that the total piece count
quantity is below a pre-set lower limit or has reached a pre-set upper limit. This function is designed for
packing and other applications.
For example, if it is required to count 1000 pieces into each package, the operator can set the lower limit
and the upper limit:

Press [QTY/SET] to enter quantity alarm menu.
 Press ZERO to toggle between “CH=ON” and “CH=OFF”. “CH=ON” means quantity alarm
function turn
ed on, “CH=OFF” means quantity alarm function turned off.

To set the lower and upper count limit, press TARE key to select the high / low limits. For
example, “L = 990”, key in 990 through the numeric keypad, then press TARE to switch over to
“H=1010”, key in 1010 through the numeric keypad.
 Press QTY/SET to confirm and return to count mode. If “CH=ON” was set previously , the alarm
will produce a tone if samples quantity below 990pcs and a different tone if samples quantity
above 1010pcs.
4.2.2.6 Setting weight units
Without weight on the platform, press [SAMPLE/UNIT] key to select the unit (kg or lb).