Calibration Check - Somatics THYMATRON System IV Service Manual

3.

CALIBRATION CHECK

NOTE: THIS DEVICE SHOULD BE CHECKED FOR CALIBRATION AT LEAST
ONCE A YEAR
3.1 Connect DUMMY LOAD (200 ohms 10W resistor) to the ECT banana plugs.
See Fig. 3.1
fig. 3.1
3.2 Connect Oscilloscope across the dummy load. Be sure the scope can measure up to 500
volts. If not, construct a high impedance divider such as in fig. 3.2.
fig. 3.2
CAUTION: HIGH VOLTAGES ARE PRESENT DURING TESTING. EXERCISE
CAUTION TO PREVENT INJURY.
SOMATICS, LLC
optional:
if available use 10x
probe instead
9
REV: 3.1 09/15/2015