Adjustment Procedures; Required Test Equipment - H Heuer Instruments UMDT51A User Manual

8. Adjustment procedures

Adjustment should be carried out at a temperature of 20C to 25C and (20 to
80) % RH Humidity.
NOTE: Warm-up Time
When adjusting or calibrating the LT51Transmitter, the LT51 should be
configured to transmit a tone at 10 kHz, 0 dBm for a period equal to the
automatic switchoff time for the LT51. Thereafter, the LT51 should be
turned back on, and the adjustment or calibration commenced.

Required test equipment

Description
Digital Multimeter
50V DC Standard
50, 75, 600
The LT51 can be fully adjusted without opening the instrument case.

press the
LT51 User Manual
Requirement
ACV: >100 k, 10 kHz, 0 dBm  0.02 dB
FREQ: 100,000.0 Hz  0.1 Hz
50.0 ± 0.05 V
 0.1%
key and then [f4] to select Adjust Menu.
Adjustment procedures
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