Scientech S200 Vector - Manual (Page 14)

A portion of the beam would be measured by the transfer standard while the other portion is directed into the
pyroelectric joulemeter.
Select the average power mode by pressing the MODE button. Press the SELECT button when the mode
annunciator appears. The menu will cycle through VOLTS, ENERGY, AVG ENERGY, and AVG POWER.
Press the SELECT button when the avg power annunciator appears. Select the AUTO range by pressing the
RANGE button. Press the SELECT button when the AUTO annunciator appears in the display. Press the
MODE button. Press the SELECT button when the CAL annunciator appears. The menu will cycle through
V/mJ, V/J, ATTEN, and AVG POWER. Press the SELECT button when the AVG POWER annunciator
appears. Use the COUNT UP COUNT DOWN buttons to change the power reading to match that of the
transfer standard. PRESS THE SAVE BUTTON TO ENTER THE CALIBRATION INTO EPROM MEMORY.
Energy Mode
Energy Mode - S200, D200P
Select the appropriate range for the energy levels to be measured. Auto range may be selected if the energy
levels of repetitive pulses are to be measured. However, do not select auto range if you want to measure the
energy of one single shot at a time. Select the energy mode by pressing the MODE button. A menu cycle of
MODE, CAL will begin. Press the SELECT button when MODE appears in the display. A menu cycle of
VOLTS, ENERGY, AVG ENERGY, AVG POWER will begin. Press the SELECT button when ENERGY
appears in the display.
The energy level of each pulse will now be displayed on the front panel LCD display (up to 40 HZ). The
RS232 can transmit data at repetition rates up to 80 HZ, IEEE488 up to 100 HZ, and STATS mode can
collect data at repetition rates up to 200 HZ.
Energy Mode - Model D200PC
Energy mode in channel A (dedicated to pyroelectric sensors) is the same as above. Energy mode in channel
B (calorimeter channel) will display the energy of one single pulse at a time. You must wait a few seconds to
several seconds between shots depending upon the time constant of the calorimeter you are using. If the
pulse to pulse energy values decrease, increase the time between firing pulses. Pressing the MODE button
begins a cycle of ENERGY, POWER. Press the SELECT button when the ENERGY annunciator appears.
Make sure you have entered the calorimeter time constant as explained in the calibration section.
Each calorimeter has a different time constant.
Energy Mode - D200C
Same as Channel B above.
Average Energy Mode - Models S200, D200P, D200PC
The average energy mode displays a running average of a selectable number of pulses from 2 to 9999. Enter
into the AVG ENERGY mode by following the same procedure as ENERGY mode only press the SELECT
button when the AVG ENERGY annunciator appears. The number of pulses to be averaged will appear in
the display. To change the number, press the COUNT UP, COUNT DOWN buttons. When the desired
number of pulses to be averaged appears in the display, press the SELECT button. To change the number of
pulses to be averaged during any run, simply press the COUNT UP, COUNT DOWN buttons.
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