TB 9-6625-2050-24
Table 4. Zero Carryover (Models 435A, 435B, 435BOPT001, and 435BE21
RANGE
Results
switch
mV dc
position
Min
Max
W
-17
+17
10
W
-14
+14
30
W
-11
+11
100
W
-8
+8
300
1 mW
-5
+5
3 mW
-5
+5
10 mW
-5
+5
30 mW
-5
+5
100
mW
-5
+5
b. Adjustments. No adjustments can be made.
9. Zero Carryover (Models 436A and 436AOPT9/22)
a. Performance Check
(1) Connect range calibrator to TI POWER SENSOR INPUT cable (supplied
with TI).
(2) Position controls as listed in (a) through (d) below:
(a) Set CAL FACTOR % switch to 100.
(b) Press POWER REF pushbutton to OFF (out).
(c) Press MODE WATT pushbutton.
(d) Press RANGE HOLD pushbutton to off (out).
(3) Position range calibrator controls as listed in (a) through (d) below:
(a) FUNCTION switch to STANDBY.
(b) POLARITY switch to NORMAL.
(c) RANGE switch to 100 W.
(d) LINE pushbutton to ON (in).
(4) Press and hold SENSOR ZERO pushbutton and wait for digital readout to
stabilize. Very that ZERO lamp is lit and digital readout indicates between -0.02 and +0.02.
NOTE
TI is now zeroed on most sensitive range (10 W).
(5) Release SENSOR ZERO pushbutton and wait for ZERO lamp to extinguish
before proceeding.
(6) Set range calibrator FUNCTION switch to CALIBRATE and verify TI
autoranges to 100 W range.
(7) Set RANGE HOLD pushbutton to on (in) and range calibrator FUNCTION
switch to STANDBY.