CALIBRATION CYCLE
CYCLE
The HP 41952A/3 requires periodic performance Verification. The''
HP 41952A/B bliould be checked out using the performance test
at least once a year or more depending on the frequency of use. ,
Preventive maintenance should be performed at least twice a year
to keep dowtt-time t o a minimum, and t o insure optimum
operation.
PREPARATION T h i s paragraph provides the information you need to know, and
the steps you must perform before starting the performance test.
1, T h e test equipment must be allowed to warm-up and stabilize
for at least 30 minutes.
2. A n HP 4195A Is required to performance test the HP 41952A/
B, I n the remainder of this manual, the HP 4195A's softkeys
are indicated in boldface type and are enclosed In single
quotes (e.g., 'NETWORK' soltkey), and keys are indicated in
bold face type only (e,g., PRESET key).
3. T h e HP 4195A's calibration capability Is used to performance
test the HP 41952A/B. Perform the procedure given below to
change the calibration standard data stored In the HP 4195A
before running the performance test. I f you are testing a
HP 41952A, perform steps a and b. I : you are testing a
HP 41952B, perform steps a through d,
a, Turn the HP 4195A ON, and sequentially press the PRE-
SET and CAL keys, and the 'more 112' and 'CAL STD
modify' softkeys.
b. Sequentially press the following keys.
'OPEN CAL STD', 0, green shiltkey, , (comma)
4 , 1 , 3 EEX, - (minus), 1 , 5 , ENTER/EXECUTE
'SHORT CAL STD', 0 , green shiltkey„ (comma)
8 , 7 , 8 , EEX, - (minus) , 1 , 2 , ENTER/EXECUTE
'LOAD CAL STD', 7 0 , green shiftkey„ (comma)
0 , ENTER/EXEC....
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