Satellite > Payload > Radiation detector > piDOSE-DCD - Digital CubeSat Dosimeter
Summary
The SkyFox Labs piDOSE-DCD is a digital CubeSat dosimeter designed to provide the information about local gamma ray radiation background aboard small satellites in space, based on ten seconds and minute period measurements, without the use of high voltage geiger-tube sensors.
The PIN diode solid state radiation sensor is equipped with scintillation crystal to extend the lateral sensitive volume to almost omnidirectional and wider energy range (~0.2 - 10 MeV).
The unit contains electrical outputs to signalize the Alarm threshold reached (similar to two times the ISS average dose rate), ERROR signal in case of sensor overload (overdose), INTERRUPT signal to signalize UART data packet transfer, Digital Counts Per Minute pulse output with equalized pulse width and Analog Counts Per Minute Output from the analog comparator.
There are six packets sent about counts per 10 second period, followed by a summary packet indicating doserate integrated over past 60 seconds added with telemetry information (voltage, temperature, uptime).
OPTIONS
The piDOSE-DCD - Digital CubeSat Dosimeter is available as:
Flight model
Engineering model
Evaluation Kit
Applications
- Space or Terrestrial Radiation Monitoring
- Aircraft Onboard Radiation Monitoring
- Civil Scientific High Altitude Balloons
- Educational Toolkit, Pfotzer Maximum Monitoring
- Radiation Mapping in 3D together with GNSS
- Space Weather Monitoring
Key features
- Geiger Counter with no high voltage parts
- Simple to use, no settings needed
- No optical window or dust-sensitive aperture
- Radiation Alarm signal – triggered over 40 µSv/h
- Alarm reaction time
- Activation (>40 µSv/h) over 1 second
- Deactivation (0-40 µSv/h) over 1 second
- Trigger equals to 2x ISS Average Dose Rate
- Serialized Digital Dose Rate output
- Error signal indicating
- Overload (ERROR, at more than 9 mSv/h)
- zero Counts Per Minute
- temperature over -30°C to 60°C
- Sensitive to gamma and high energy beta rays
- Gamma Ray Sensor
- Easy-to-Implement Data Interface UART 115200-8-N-1, 5V-CMOS levels
- 10× Serial Output sentences, divided by CR+LF 6× Counts per 10 seconds 1× Temperature telemetry 1× Voltage telemetry 1× Uptime telemetry
- Digital Output with fixed pulse width
- Total Ionizing Dose tolerance less than 10 kRad(Si)
- Analog Output with ~energy-dependent width
- Interrupt signal indicating serial stream
- External Reset input
- Connector 2 mm pitch, 2×5 pin header
Export control
- Dual Use Goods: Yes
- HS Code for FM and EM models: 9030.10
- HS Code for EK models: 8473.3020
- Country of origin: Czech Republic
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Last updated: 2024-02-05
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