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3. Adjust the gain pot of the instrument until the display reads '1100'.
4. Short channel #1's input with a wire or shorting bar.
5. Push DIFF key. The display will read '0002' --- or some other value.
6. Adjust offset pot of instrument until the display reads '0000'.
7. Push SETUP key -- the display will show Cold Junction temperature.
8. Remove the shorting bar from channel one input and connect the thermocouple calibrator again.
9. Repeat steps 2 through 7 till the unit reads proper temperature.
4
1
1: GAIN POT (T/C, MV, RTD, TH)
2: OFFSET POT
3: VOLTAGE POT
4: CURRENT POT
SAVING PARAMETER:
DPS3300 series saves all the programmed parameters in an EEPROM (electrically erasable programmable read only
memory). An EEPROM stores the parameters even when power is removed from the unit. However, it is important to note
that if the parameters are changed during setup, they must be saved in the EEPROM by pressing reset key as described
under setup. If the parameters are not saved and the power is removed from the unit, any newly changed values will be
lost (the unit will, however, maintain the old values).
PEAKS
A very useful function of DPS3300 is tracking the highest (peak) and the lowest
(valley) point attained by each channel. This is particularly helpful if an operation
is not being constantly watched or is left unattended (e.g. overnight). Since high
and low points for each channel are monitored and stored separately, the history of
changes at various points in the process can be obtained. This can be useful for
quality control or for finding properties of a certain process.
The first step in displaying peaks is to select the channel whose peaks are desired.
This is done by pushing the 'CH. SEL' key. Each time this key is pushed, the
display indicates the selected channel e.g. CHANEL 2, CHANEL 3 and so on.
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