Wavetek 9100 - Page 65

Model 9100 — Operator's Guide: RTD Temp. Function 15-3
User's H'b'k
Page Ref
15
RTD Temperature Calibration
(Contd)
3-4
3-1
15.3 The 9100 as an Adjustable Source
The following procedure assumes that the instrument
is in Manual Mode. In case of difficulty, read the
User's Handbook; paras 3.3.1 . Familiarity with editing
screen values is also assumed (Section 3) .
15.3.1 9100 and UUT Setup
1. Connections
Connect the 9100 to the UUT as in
Fig. 15.1 , and
ensure that both instruments are powered ON
and warmed up.
2. UUT Select the RTD Temperature function.
3. 9100
Ensure that the 9100 is in RTD Temperature
Function with Output OFF. If in any other
function, press the 'Aux' key on the right of the
front panel, then press the °C screen key on the
bottom row. Finally press the RTD screen key
on the bottom row.
15.3.2 Sequence of Operations
Refer to the table of UUT calibration points in the
Manufacturer's Calibration Guide for the UUT. Follow
the sequence of calibration stages as directed by the
guide, and carry out the following operations (1) to
(5) at each stage.
1. 9100
a. Ensure that the correct parameters (RTD
type, temperature scale, and unit of
temperature) are selected.
b. Use the front panel controls to set the 9100
Output temperature to the UUT cal point
value, selecting 2-Wire or 4-Wire and 'UUTi'
Current Span as required.
2. UUT Select the correct range for the cal point.
3. 9100
a. Set Output ON and note the UUT reading.
b. Slew the Output Temperature reading until
the UUT reading is equal to the calibration
point value.
4. UUT
Record the 9100 screen output value as detailed
in the
UUTManufacturer's Calibration Guide .
5. 9100 Set Output OFF.
4.15-2
3-8 to 21
4.15-4
www.valuetronics.com