23
SUGGESTED PULSE SETTINGS
The chart below lists
approximate
pulses necessary to penetrate various materials.
Settings vary depending on imaging
system used.
Refer to imaging system instructions for more information.
MATERIAL
COUNT (PULSE) SETTING
24 inches between x-ray & imager
CARDBOARD / LIGHT WOOD / PLASTIC
10
LIGHT METAL
20
STEEL 1/4”
50
STEEL ½”
90
If the radiograph is too dark, the lm is underexposed. If the radiograph is too light the lm is overexposed.
Underexposure
can be corrected by increasing the number of pulses and/or decreasing the distance between the imaging medium and the
XR150.
Overexposure
can be corrected by reducing the number of pulses and/or increasing the distance between the
imaging medium and XR150.
6.0 MAINTENANCE
X-RAY DOSE MEASUREMENT
Using a dosimeter, the average X-ray dose for new tube can be established.
With the dosimeter located 1 foot from the front of the case and in line with the center of the beam angle
label, the reading for 10 COUNTS should be 27 mR to 40 mR.
The leakage sheet illustrates the X-ray dose and maximum allowable radiation leakage levels for each
X-ray unit. A completed copy of this form accompanies each X-ray.
7.0 TROUBLESHOOTING
SYMPTOM
TEST
ACTION
No “power on” light
Check battery voltage
Replace or charge battery
Power on lights, but X-ray does not
pulse.
Check the battery voltage.
Check the 2amp fuse.
Charge or replace the battery.
Replace the fuse if necessary.
Power on lights, X-ray pulsing light
does not illuminate, X-ray does not
pulse
Check the battery voltage.
Replace the X-ray pulsing light
Low Battery
Please Charge
Appears if battery is below 9V
Charge the battery
Underexposed
Overexposed
Correct exposures (pulse setting)