TB 9-6625-2297-24
a. Connect TI to a 115 V ac power source.
b. Press TI LINE STBY/ON pushbutton to ON and allow 30 minutes for warm-up.
8. Zero Carryover
a. Performance Check
(1) Press TI LINE STBY/ON pushbutton to STBY and range calibrator LINE
OFF/ON pushbutton to OFF.
(2) Connect TI SENSOR to range calibrator POWER METER.
(3) Press TI LINE STBY/ON pushbutton to ON.
(4) Position range calibrator controls as listed in (a) through (c) below:
(a) FUNCTION CALIBRATE/STANDBY switch to STANDBY.
(b) RANGE switch to 3 W.
(c) LINE OFF/ON pushbutton to ON.
(5) Press DATA ENTRY PRESET/LOCAL key then DATA ENTRY ENTER key.
(6) Press FUNCTION dBm/W key for TI indications in watts.
(7) Press FUNCTION ZERO key and wait approximately 15 seconds for
ZEROING: ***** display to disappear. TI will indicate between -0.06 and +0.06 W.
(8) Press FUNCTION SET RANGE key.
or
key until RNG1 -20 dBm is displayed.
(9) Press DATA ENTRY
(10) Press DATA ENTRY ENTER key. TI indications will be within limits
specified in first row of table 3.
(11) Repeat technique of (8) through (10) above for TI range settings. TI indications
will be within limits specified in table 3.
Table 3. Zero Carryover
Test instrument
Range
Indications
settings
Min
Max
W
W
RNG1 -20 dBm
-0.05
+0.05
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 8 a (1) through (4) above.
