Table 6-13: Current Loop Output Calibration With Resistor - Teledyne 400E Instruction Manual

Operating Instructions
To adjust the zero and span values of the current outputs, activate the ANALOG
I/O CONFIGURATION MENU, then
FROM ANALOG I/O CONFIGURATION MENU
DIAG ANALOG I / O CONFIGURATION
PREV NEXT
DIAG AIO AIN CALIBRATED: NO
SET> EDIT
Press SET> to select the analog output channel
to be configured:.
DIAG AIO CONC_OUT_2:CURR, NO CAL
< SET SET> EDIT
DIAG AIO CONC_OUT_2 RANGE: CURR
<SET SET> EDIT
DIAG AIO CONC_OUT_2 CALIBRATED: NO
< SET CAL
If a current meter is not available, an alternative method for calibrating the current
loop outputs is to connect a 250 Ω ±1% resistor across the current loop output.
Using a voltmeter, connected across the resistor, follow the procedure above but
adjust the output to the following values:
Table 6-13:
FULL
SCALE
0%
100%
92
DIAG AIO
ENTR EXIT
EXIT
DIAG AIO
U100
DIAG AIO
U100 UP10 UP DOWN DN10 D100
EXIT
DIAG AIO
U100 UP10 UP DOWN DN10
EXIT
DIAG AIO
U100 UP10 UP DOWN DN10 D100
EXIT
DIAG AIO
Current Loop Output Calibration with Resistor
VOLTAGE FOR 2-20
MA
(measured across
resistor)
0.5 V
5.0 V
press:
The instrument attempt to automatically calibrate
the channel ... then beep.
AUTO CALIBRATING CONC_OUT_2
CONC_OUT_2 CURR -Z: 0 mV
UP10 UP DOWN DN10 D100
CONC_OUT_2 ZERO: 27 mV
CONC_OUT_2 SPAN: 10000 mV
D100
CONC_OUT_2 ZERO: 9731 mV
CONC_OUT_2 CALIBRATED: YES
< SET CAL
VOLTAGE FOR 4-20 MA
(measured across resistor)
Model 400E Ozone Analyzer
Instruction Manual
ENTR EXIT
Increase or decrease the current
output by 100, 10 or 1 counts.
ENTR EXIT
The resulting change in output
voltage is displayed in the upper
Continue adjustments until the
correct current is measured with
the current meter.
ENTR EXIT
EXIT ignores the
new setting, ENTR
ENTR EXIT
accepts the new
EXIT
1.0 V
5.0 V
P/N 04316 Rev: B
line.
setting.