TB 9-6625-2297-35
Test instrument
Indications
Range
settings
Min
Max
W
W
RNG2 -10 dBm
-0.1
+0.1
RNG3 +00 dBm
-0.001
mW
+0.001
mW
RNG4 +10 dBm
-0.01
mW
+0.01
mW
RNG5 +20 dBm
-0.1
mW
+0.1
mW
b. Adjustments. No adjustments can be made.
9. Instrument Accuracy
a. Performance Check
NOTE
If TI SENSOR is not connected to range calibrator POWER
METER, perform 8a (1) through (4) above.
(1) Set range calibrator switches as listed in (a) through (c) below:
(a) FUNCTION CALIBRATE/STANDBY to STANDBY.
(b) POLARITY NORMAL/REVERSE to NORMAL.
(c) RANGE to 3 W.
(2) Press DATA ENTRY PRESET/LOCAL key then DATA ENTRY ENTER key.
(3) Press FUNCTION dBm/W key for TI indications in watts.
NOTE
When
setting
range
calibrator
FUNCTION
CALIBRATE/STANDBY switch to STANDBY, allow
sufficient time for range calibrator to settle before zeroing TI
(typically less than 60 seconds).
(4) Press FUNCTION ZERO key and wait approximately 15 seconds for
ZEROING: ***** display to disappear. TI will indicate between -0.05 and +0.05 W.
(5) Set range calibrator RANGE switch
to
1
mW
and
FUNCTION
CALIBRATE/STANDBY switch to CALIBRATE.
(6) Press FUNCTION SHIFT key then FUNCTION CAL/ZERO key.
(7) Press DATA ENTRY ⇑, ⇓, ⇐, ⇒ keys until REF CF 100.0% is displayed.
(8) Press DATA ENTRY ENTER key. TI will display CAL ***** for a few seconds.
(9) Press FUNCTION SHIFT key then FUNCTION CAL FAC/FREQ key.
(10) Press DATA ENTRY ⇑, ⇓, ⇐, ⇒ keys until CALFAC 100.0% is displayed.
