Scientech Zeta Series - Manual (Page 9)

9
Checkweighing / Process Control Limits (HI OK LO):
User Action Balance Response
1 Press the FUNCTION button (or MODE and
RANGE buttons simultaneously for dual
range models).
Display cycles repeatedly through PCS, HI OK LO, CAL1, CAL2, T , and %.
2 Press the MODE button when HI OK LO
appears on the display.
HI, LO and 0 flash.
3 Press the ZERO button. HI flashes and zeros are displayed.
4 Place weight on the weighing pan which
represents the upper control limit of the
acceptable weight range.
HI flashes and the upper weight limit is displayed.
5 Press the ZERO button. LO flashes and the upper weight limit is displayed.
6 Remove the upper limit weight and place
weight on the weighing pan which represents
the lower control limit of the acceptable
weight range.
LO flashes and the lower weight limit is displayed.
7 Press the ZERO button. HI OK LO briefly appears and then OK and the lower weight limit are
displayed.
8 Remove the lower limit weight. LO appears and zeros are displayed.
The balance is now ready to checkweigh samples. The balance displays OK along with the weight of the sample if the sample is within
the acceptable weight range. If the sample is too heavy, HI and the weight are displayed. If the sample is too light, LO and the weight are
displayed. The weight limits are stored until the balance is turned off.
To exit check weighing, press the MODE button. The balance then returns to normal operation.
Live Animal Weighing / Severe Environment Weighing ( T ):
Note: At any time during the T procedure you can reach the final reading more quickly by pressing the
RANGE/FUNCTION button. This resets the time averaging and allows the balance to reach the final weight faster.
User Action Balance Response
1 Press the FUNCTION button (or MODE and
RANGE buttons simultaneously for dual
range models).
Display cycles repeatedly through PCS, HI-OK-LO, CAL1, CAL2, T , and %.
2
Press the MODE button when T appears on
the display.
T appears in the display and the balance is now in the time averaging weighing
mode.
3 Place a container/cage on the pan. T appears in the display as well as a slowly increasing weight of the
container/cage.
4 When the display has stabilized, press the
ZERO button to zero out the container/cage
weight.
T appears in the display as well as zeros.
5 Remove the container/cage and place the
sample/animal in the container/cage.
T and a slowly decreasing negative weight is displayed.
6 Replace the container/cage with the enclosed
sample/animal on the weighing pan.
The desired precision of the displayed reading
can be entered into the balance’s storage
registers. This can only be done via RS-232
as described in the Type 2 Commands section.
After the sample/caged animal is placed on the pan, the weight reading will
slowly stop decreasing and then slowly start increasing as the weight reading is
averaged over time. When the weight stops drifting upward, you have reached
the final time averaged weight reading.
The
σ
annunciator will be displayed when the precision of the weight is at the
desired value.
7 If you want to reach the final time averaged
weight reading more quickly, press the
FUNCTION button (or the RANGE button on
dual range models). This resets the time
averaging mode.
The final time averaged weight reading is reached more quickly.
8 If you want to exit the time averaging
weighing mode, press the MODE button.
The balance returns to normal operation.