Weight and Dimensions
H 25 cm / Diam. 11 cm / Weight 3.4 Kg
Transducer technical characteristics: 
- Bandwidth (f-3 db) : Pressure output : 0.01-28 HZ / Pressure derivative output : DC-28 Hz
- BLDR [0.02;4] Hz 117 dB @ f<1.6 Hz  / 109 db @ f=4 Hz
-Self noise < 10 dB under the LNM
Resolution [0.02;4] Hz  1.75 mPaRMS
Default sensitivity: 
- Pressure output: 20 mV/Pa 
- Pressure derivative output : 2 mV/Pa.s-1
Digitizer technical characteristics :
Clipping Level & output range: 
- Pressure: ±min (12000 [Pa/s]/2.π.f[Hz] ; 1000[Pa])
- Pressure derivative: ±10000 (Pa/s)
Sampling rate: 20, 50,100 Hz
Nominal sensitivity:  1,178 10-4 Pa/lsb or 1,178 10-5 Pa/s/lsb @ gain = 1
Built in gain: 1, 2, 4, 8
Data storage: 1 Go / miniSEED
Power requirements: 12 V DC (7-20V) / 70 mA @ 12 V