Pacific Northwest X-Ray Inc.

       Series 815 kVp Meters.       


Electronic Control Concepts! Proven, Reliable Instrument Measures kVp and Exposure Time

The Model 815 measures the peak x-ray accelerating voltage from tungsten x-ray generators. To measure peak kV (kVp), place the instrument in the beam, colimate to target on top of the instrument and take an x-ray. The instrument will display kVp. To get the the exposure time, press the white button. The Model 815 will display the x-ray type and exposure time.

There is a high resolution mode which is used for measurements on older x-rays and x-rays with slow rise times.

The kVp Meter has a large display which is readable from outside the x-ray room.

The Model 815 is battery operated, user-friendly, and has a two year warranty. Applications include verification of peak x-ray voltage, constancy checks, calibration of x-rays, and quality assurance measurement of exposure time. The unit is also used for half value layer determination, troubleshooting and repair of x-rays, and quality control. A carry case is included at no extra charge.

The kVp Meter has CE Compliance. All units come with a Certificate of Compliance.

Yearly calibration is suggested.

Features
  • Easy to use
  • No need to set for AC / DC
  • Self-resetting
  • Measures kVp and exposure time simultaneously
  • Noninvasive kVp measurement
  • AC and DC x-rays
  • High accuracy
  • Battery operated
  • Two year warranty
  • Compact size
  • Durable ABS plastic case
  • Custom carrying case option


    • Typical Applications
  • Measurement of exposure
  • Verification of peak x-ray voltage


  • Constancy checks
  • X-ray calibration
  • Quality assurance
  • Measurement of X-ray exposure time
  • Half Value Layer determination
  • Troubleshooting and repair of X-rays



    • The Model 815 has been redesigned to use a new x-ray detector. The new detectors are more stable, more repeatable and have greater range than the previous versions. The measurement range is now 40 to 125 kV.

    New Software Operating System

    Improvements have been made in the internal microcomputer program that facilitates faster measurements. The minimum exposure time needed for kVp measurements has been reduced to 40 ms (0.04 second). This new feature virtually eliminates sources of error when certain techniques result in short exposure times. The shorter exposure times give you less wear and tear on x-ray equipment as well as less x-ray exposure to test personnel.

    This is a software only change, therefore we will be able to retrofit any instruments that are sent to us for calibration.

    kVp Specifications
    RANGE
  • 815/820: 45 to 125 kV

    • KVP ACCURACY
  • 2% 1 kV, at 10 to 100 mA for 815
  • 18 to 42 cm from head (Tungsten target x-ray tube with 1.5 mm Al equivalent filtration)

    • EXPOSURE TIME ACCURACY
  • 1% 2 millisecond (1/5 to 2 sec)
  • Minimum exposure time is 100 milliseconds

    • MINIMUM EXPOSURE TIME (kVp Measurement)
  • 100 millisec - High Speed Mode (normal)
  • 200 millisec - High Resolution Mode





    • MINIMUM CURRENT (mA)
  • 7 mA at 50 kV, 10 cm from x-ray source
  • Also depends on focus / collimating

    • General Specifications for 815
    DISPLAY
  • 0.4"(10.2mm) Liquid Crystal
  • 8 Character Alphanumeric

    • POWER
  • 4 AA Batteries accessible from bottom of case
  • Low Battery Indicator

    • BATTERY LIFE
  • 48 hours continuous
  • Typically 9 months of normal use

    • CONTROLS/INDICATORS
  • ON/OFF Switch - Illuminated push-button with green power-on indication
  • MODE Switch - Momentary push-button
  • 8 Character Liquid Crystal Display

    • PHYSICAL SIZE
  • 150 x 120 x 58.5 mm
  • 5.9 x 4.7 x 2.3 inches

    • WEIGHT
  • 0.7 kG (1.5 lb)

    • OPTIONAL ACCESSORIES
  • Padded Cordura Carrying Case



    • Stock #
    Description
    Your Price
    815
    Standard X-Ray kVp/Time Meter (45-125kVp)
    $1,675.00
    815L
    Lower kV Range Version of the 815 Meter (40-120kVp)
    (For dental applications.)
    $1,700.00
    815-CAL
    Calibration of any 815 meter.
    $Call
    815L890
    Dental Kit Consisting of...
    One 815L Low-Range kVp/Time Meter
    and One 890 mAs Meter.
    $2,230.00






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    Telephone

    Phone Lines open...
    8am - 5pm Monday-Friday (Pacific/West Coast Time)
    Phone: 1-503-667-3000
    Toll-Free (US): 800-827-XRAY (800-827-9729)
    Download our order form
    and then...Fax Your Order
    24 Hours a day!
    1-503-666-8855

    P.O. Box 625 * Gresham, OR  97030 * U.S.A.

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