84 Chapter 7 Calibration
7.3.8 Local Operation RTD Calibration
a. Measure and record the exact resistance of your 100 Ω metal film
resistor. With the TEC output off, connect the metal film resistor to the
sensor input of the TEC Module.
b. Go to the single module display by first pressing the
MENU
button,
then the
Modules
soft key, then the TEC module soft key.
c. Press the
Setup
soft key and select the RTD as the Sensor Type.
d. Go to the calibration display by first pressing the
MENU
button, then
the
Config
soft key, then the
Cal
soft key, then the channel to be
calibrated. At the calibration screen, press the
Sensor
soft key. Follow
the on-screen instructions to complete the calibration. The calibration
can be terminated without affecting the stored constants if the
Term
soft key is pressed at any point prior to completing the calibration.
7.3.9 Remote Operation RTD Calibration
a. Measure and record the exact resistance of your 100 Ω metal film
resistor. With the TEC output off, connect the metal film resistor to the
sensor input of the TEC Module.
b. Enter the
TEC:CHAN
command to select the channel to be calibrated.
Send
TEC:SENS 5
to select the RTD sensor, followed by the
TEC:CAL:SEN
to enter sensor calibration mode.
The 6000 will be ready to receive the resistance when, after a
TEC:CAL:SEN?
query is sent, a “1” is returned.
c. Input the actual resistance, in ohms, of the metal film resistor (as an
<nrf value>) via the
TEC:R <nrf value>
command.
If, at any time prior to
TEC:R,
a command other than
TEC:R
or
TEC:R?
is sent to the 6000, the 6000 will cancel the calibration mode
and then process the command(s).
Once the
TEC:R
value is sent, the
OPC?
query may be used to
determine when the calibration is completed. The operation complete
flag (bit 0 of the Standard Event Status Register) may be used to trigger
an interrupt. This type of interrupt is enabled by setting bit 0 of the
Service Request Enable register and using the
*OPC
command.
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