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4. is setup for current output and has not been
setup for current output. To do this, press SET, select CURR as the
output type and press ENTR.
5. Next press CAL to begin the calibration. At this point the display should
show:
This indicates that channel 0
calibrated. If the display shows VOLT instead of CURR then the channel
must be
UP10 EXIT
DIAG D/A CAL O3_CONC_1,CURR, ZERO
UP DOWNU100 DN10 D100 ENTR
The zero point for current output can now be set. Pressing UP, UP10 and
U100 w
6.
ill step the zero point up in increments of 1, 10 and 100 steps. The
7.
current loop. Using the UP and DOWN buttons as in step 4, adjust the full-
scale (usually 20ma) and press ENTR. This completes the current loop
calibration. Press EXIT several times until you are back at the sample menu.
zero point can be adjusted anywhere between 0 and 4 milliamps. Press
ENTR when you have reached the desired zero point as measured by your test
meter.
The display will now prompt you to adjust the Gain, or full-scale output of the
P/N 02395D1 Teledyne API Model 450 O
3
Monitor Instruction Manual - Page 52