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Updated Revision of Shimmer3 GSR+ unit

Dublin, 11th August 2017 – Shimmer would like to inform users that of August 2017 we will be shipping a new revision of our Shimmer3 GSR+ unit. The revision change concerns the kinematic sensors on the Shimmer3 GSR+ Board. A detailed overview of the changes from the original to the existing board can be seen below. The new revision will be fully compatible with all our current software offerings.

For queries or further information relating to this revision changes please email

Overview of Updates


Original GSR+ Revision

New GSR+ Revision 

Wide-range Accelerometer STMicro LSM303DLHC STMicro LSM303AHTR
Range ±2g, ±4g, ±8g, ±16g ±2g, ±4g, ±8g, ±16g
Sensitivity 1631 LSB/g at ±2g 1671 LSB/g at ±2g
Numeric Resolution <=12-bit 14-bit
Typical Operating Current 110 µA (at 50 Hz) <=162 µA
Low Noise Accelerometer Kionix KXRB5-2042 Kionix KXTC9-2050
Range ±2g ±2g
Sensitivity 600 mV/g (±18mV) 660 mV/g (±20mV)
Numeric Resolution 12-bit 12-bit
Typical Operating Current 500 µA 240 µA
Noise density 45 µg/√Hz 125 µg/√Hz
Magnetometer STMicro LSM303DLHC STMicro LSM303AHTR
Range ±1.3, ±1.9, ±2.5, ±4.0, ±4.7, ±5.6, ±8.1 gauss ±49.152 gauss
Sensitivity 1100 LSB/gauss at ±1.3 gauss 667 LSB/gauss
Numeric Resolution <=12-bit 16-bit
Typical Operating Current 110 µA (at 7.5 Hz) <= 200 µA
RMS Noise no data available 3 mgauss
Gyroscope Invensense MPU9150 Invensense MPU9250
Range ±250, ±500, ±1000, ±2000 dps ±250, ±500, ±1000, ±2000 dps
Sensitivity 131 LSB/dps at ±250 dps 131 LSB/dps at ±250 dps
Numeric Resolution 16-bit 16-bit
Typical Operating Current 3.9 mA 3.2 mA
RMS Noise 0.06 dps 0.1 dps
Pressure/Temperature Sensor Bosch BMP180 Bosch BMP280
Range 300 - 1100 hPa 300 - 1100 hPa
Pressure Resolution 1 Pa 0.16 Pa
Temperature Resolution 0.1°C 0.01°C
Typical Operating Current <= 32 µA at 1 Hz <=24.8 µA at 1 Hz
RMS Noise 3 Pa 1.3 Pa