Performance Verification
12
TCA75 Impedance Conversion Adapter Instructions
TCA75 Test Record
Photocopy this page and use it to record the performance test results for your
TCA75 adapter.
TCA75 Test Record
Instrument Number:
Temperature:
RH %:
Date of Verification:
Technician:
TCA75 Performance Test
Minimum
Incoming
Outgoing
Maximum
Output impedance: 50
Ω
±
1.5%
49.25
__________
__________
50.75
Input impedance: 75
Ω
±
1.5%
73.875
__________
__________
76.125
Attenuation accuracy: 2.46 X (--6 dB)
±
1.5%
(measured with 1.0 V on the input)
Input voltage
Output voltage
Input
÷
output = attenuation factor
N/A
0.402
2.415
1.000
÷
__________
= __________
1.000
÷
__________
= __________
N/A
.414
2.487
Probe Calibration Routine
Pass/Fail
__________
__________
N/A
