c. When the unit is calibrated and safety tested to manufacturer's specifications
(see paragraph 1-10), return it to service.
In addition to the above calibration settings, you also need to verify the following
Birtcher Hyfrecator specifications. Use the procedures in the manufacturer's operations
and service manual to ensure the unit is safe to operate. Refer to figure 1-4.
With third wire (ground) open: 50
733 SW and 733 FS, 120vac, 50-60 Hz
Power Input Requirements
733 ASW and 733 AFS, 240vac, 50-60
Damped Sinusoidal. Damped to the point
of being effectively one pulse under load.
Output Wave Shape
Open circuit voltage BIPOLAR 1500vp-p
(voltage peak to peak) maximum. High
+ 30 percent full power, 500 ohm load, line
Normal type procedure: rated at 25
percent with 10 seconds on, 30 seconds
Figure 1-4. Birtcher hyfrecator specifications.