Adjustment - Fluke 15B Calibration Manual

15B & 17B
Calibration Manual
17B Adjustment
Refer to Table 6 for the 17B adjustment procedure, Figure 4 for the adjustment points,
and Figure 5 for temperature adjustment connections.
Step
Function
mV dc
1

Adjustment

For step 2, if the display reads between 34.91 and 35.09 V dc, no adjustment is necessary.
Volts dc
2
Adjustment
Volts AC
3
Adjustment
Set Calibrator to STANDBY.
Capacitance
4
Adjustment
Set Calibrator to STANDBY.
For Step 5, place the Surface Thermocouple Probe directly onto the UUT COM jack screw and note the
UUT display reading in °C.
Temperature
5 Offset
Adjustment
Note: In step 6, wait until the reading has settled before pushing
reading that is outside the adjustment range limits.
Temperature
6 Gain
Adjustment
7
RESET Calibrator
8 OFF
18
Test
Switch Button Potentiometer
M
NO
V
NO
v
NO
c
NO
d
NO
r
d
d
-
OFF
Table 6. 17B Adjustment
5520
R18 350 mV dc
R18 35 V dc
R8 35 V 50 Hz
R11 350 nF
R49 0 V OPR
r
- NO
R35 2.436 mV dc
UUT Test Specifications
349.9 to 350.1 mV dc
If the display reads less than
34.91, adjust R18 to
34.91 to 34.92 V dc.
If the display reads more than
35.09 Adjust R18 to
35.08 to 35.09 V dc.
If step 2 V dc calibration is less
than 35 V dc, adjust R8 to
34.91 to 34.92 V ac.
If step 2 V dc Cal is equal to or
greater than 35 V dc, adjust R8
to 34.99 to 35.01 V ac.
349.0 to 351.0 nF
Match Fluke 51 Reading
. Failure to do so can result in a
t icon ON
-0.2 to 0.2 °C
t icon ON
59.9 to 60.1 °C