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Digital X-Ray Pulse Counter/Timer
Nuclear Associates Model 07-453
- Easy-to-read digital display
- Automatic reset; holds a reading until the next exposure
- Battery-operated, light weight; fits easily into tool box or pocket
- Output connector (included) allows a radiation output waveform to viewed on an oscilloscope
- For added operator convenience, the remote sensor is available as option
Poor or inconsistent quality of x-ray images is often caused by inaccuracy or inconsistency of the generator's timer. This results in repeat examinations, which cost time and money. A poorly maintained system is also a hazard to the patient; when a malfunction in the timer occurs, the patient may receive unnecessary radiation doses. It is for important reasons such as these, that regular monitoring of x-ray systems and timers is an essential part of a good quality assurance program.Applications:
The Digital X-Ray Pulse Counter/Timer from Nuclear Associates is a non-invasive, solid-state instrument that can be used to measure the exposure time of either AC or DC x-rays. It can also measure the duration of radiation output produced by a wide variety of medical and dental x-ray systems. A sensitive x-ray detector in the instrument allows direct measurement of exposure from the x-ray head. Pulses produced by half-wave and full-wave x-rays are measured as 60 or 120 pulses per second. For DC, capacitor discharge and three-phase x-rays, the Digital X-Ray Pulse Counter/Timer measures the exposure time in milliseconds. When testing x-ray timers and controls, the time of relay contact closure can be measured using the AC input feature.
An output connector on the side of the Digital X-Ray Pulse Counter/Timer allows the user to view a radiation output waveform on an oscilloscope. Using this feature, technicians can diagnose and troubleshoot problems with x-ray generators.
Specifications
Accuracy
AC input ± 1 count
DC input 2% ± 1 count
X-ray detection ±1 count
Sensitivity
AC input 65 VAC minimum
X-ray input 50kVp, 5mA at 5 cm
from top surface of case, pointed to
target on case.
Range 9999 pulses; 9999 milliseconds
Display 0.4 inch liquid crystal
Power requirements 9 V battery,
alkaline or equivalent, 24 hours
continuous; typically 6 months of
normal use
AC input jacks 130 volts AC maximum;
65 V AC minimum; input circuit not
affected by reversed polarity.
Controls/Indicators Three-position
switch:
Pulse, Off, Milliseconds Four-digit LCD
(0.4 inch character)Low battery indicator
"Low Batt" appears in display when
battery voltage reaches 4.8 V±0.5 V
Power-on: LED (green); oscilloscope output
Remote sensor The optional Remote
Sensor can be used when the user would
like to have the unit in their hand, so that
readings can be seen without having to
walk back-and-forth from the x-ray table
to the control room after each exposure.
The Remote Sensor can also be used
when placement of the Digital X-Ray Pulse
Counter/Timer in the beam is questionable,
such as in a Panorex dental x-ray unit.Output signal BNC connector for waveform analysis
Connections None required for direct exposure measurement
Dimensions 3.15 (w) x 5.8 (d) x 1.6 in (h) (8 x 14.7 x 4 cm)
Weight 0.5 lb (0.21 kg)
Optional accessoriesRemote Sensor with 10 ft cable (Model 07-453-2000)
Oscilloscope Leads (Model 88-453)
Carrying Case (Model 89-453)
Available model(s)
07-453 Digital X-Ray Pulse Counter/Timer
Supertech ®
President: David B. McNitt
V.P. of Marketing: Judy McNitt-Mell
Asst. to the President: Joy E. NystrandAddress:
P.O. Box 186
Elkhart, IN 46515 USA
Sales: 800-654-1054
Phone: 574-264-4310
Fax: 574-264-9551
Email: sales@supertechx-ray.com
Support: support@supertechx-ray.com
