RTI T20 Dose Probe

Use anywhere in the X-ray field

The RTI T20 Dose Probe is a solid-state detector dedicated to measurements on Rad/Fluoro systems when it is crucial that the detector itself does not have any effect on the system output or disturb the X-ray beam.

It was developed for measurements of the patient entrance dose (skin dose) and the maximum dose rate in the radiographic and fluoroscopic field. Despite its small size, the RTI T20 Dose Detector is protected from picking up backscatter.

 

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$1,523

Place it anywhere!

The RTI T20 Dose Probe can be placed anywhere in the X-ray field in contrast to many other detectors. The RTI Dose Probe, for instance, is small but not small enough in all situations. It still has to be placed outside the active area to avoid affecting the feedback of the system.

 

Independent and sensitive

The RTI T20 can connect to either Piranha, Cobia FLEX, or Cobia SENSE, and has a built-in correction filter that allows the detector to self-compensate for different beam energies. Therefore it has a flat energy response in the radiographic range with no need for correction factors. The RTI dose detector gives about five times higher sensitivity than a typical ion chamber.

IEC Directive

The RTI T20 Dose Probe fulfills the IEC directive for dose detectors regarding energy independence, measuring range, and angular dependency for RQR50–150 kV.

  1. Dimensions Dimensions: 35 × 320 × 6.0 mm (metal 23,5 × 5,6 mm)
    Weight approx 75 g (2.6 oz)
    Cable length 2.0 m (6.6 ft)
    Temperate and air pressure Insensitive, no TP correction is necessary
    Backscatter protection Yes
    Angular dependence Less than ±2 % for incident angles less than 10 degrees.
    Energy dependence +1,6 to -0,4 % (radiation quality R1)
    Typical sensitivity 8 μC/Gy
    Connector Piranha external connector
  2. Dose 0.7 nGy - 10 kGy (0.08 μR - 1 MR)
    Dose Rate 27 nGy/s - 500 m Gy/s (3 μR/s - 57 R/s)
    Uncertainty ±5 % (RQR, 50 - 150 kV)
    Time 0.1 ms – 34000 s
    Pulses 1 – 65535 pulses
    Pulse rate/frequency 0.1 – 100 Hz
    Trig modes Auto, Timed, and Free Run
  3. Dose 40 nGy – 15 kGy (4.6 µR - 1700 kR)
    Dose Rate 1.5 µGy/s – 1.5 Gy/s (170 µR/s – 170 R/s)
    Uncertainty ±5 % (RQR, 50 - 150 kV)
    Time 0.33 ms – 9999 s
    Pulses 3 – 9999 pulses
    Pulse rate/frequency 1/6 - 260 Hz
    Trig modes Auto (Timed trig mode available with Ocean software)