miniDAMR v1.2 is a miniaturized version of our triaxial, vector, AMR based magnetometer with digital feedback. Designed and constructed with demand on small size, weight and power requirements. Application in UAV/sounding rockets/balloon experiments or in space – small sats (CubeSat) is possible. Together with usual testing and calibration we concentrated also on higher tolerance to radiation – results from preliminary testing using 60Co source are briefly mentioned below.
Magnetometer miniDAMR v1.2
Measurement range: ± 100 µT
Linearity error: ± 0.01 % of Full Scale
Orthogonality error: < 0.1°
Offset temperature drift: < 2 nT/K
Sensitivity temperature drift: < 0.005 %/K
Noise (dig. output): < 300 pTRMS/sqrt(Hz) at 1 Hz
Maximum TID (gamma): 50 krad (component level)
Interface: TTL (3.3V) UART
Size without (with) case: 35 x 90 x 10 mm (40 x 95 x 15 mm)
Power consumption: < 0.6 W (all modes)
Input voltage range: 4.5-5.5 Vdc
Measurement modes:
a) continuous 126 Sa/s (with IIR filter, cut-off freq. 30 Hz)
b) continuous 3906 Sa/s (without filter)
c) single-shot at command – 1 second averaging
All three modes can be operated in either open or closed loop.
miniDAMR placed in a magnetic shielding equipped with an excitation coil (10nTpp square wave), 126 Sa/s output without further processing
Typical noise of miniDAMR running at 126 Sa/s
The description of miniDAMR design and results of TID testing at 60Co irradiation facility are currently under review to be presented at the I2MTC2020 conference.
Gamma ray irradiation test setup – the board was placed in a coil supplied from a precise sinewave current source – to allow gain and offset change characterization.
Price
Informative price (depending on box, connectors): 2800-3500 EUR without VAT /price mentioned for in-house assembly – non – space certified soldering, please contact us for other options/
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