Rotational seismometer METR-11

The METR-13 and METR-11 models are quite similar to METR-01 and METR-03 but they are optimized for operation in the seismic exploration frequency range (1-150 Hz).

Characteristics Delivery and warranty

Frequency range 1 Гц - 50 Гц
Sensitivity 50 В / (рад/с)
Clip level 0.1 rad/sec
Self noise at 1 Hz 2*10^-7 rad/sec in 10–150 Hz passband
Sensitivity axes 3 вращательные ортогональные
Supply voltage
Power consumption 58
Temperature range -12°C - +55°C - standard range
-40°C - +55°C - extended range
Maximum installation tilt Any
Dimensions 80 x 80 x 55 mm
Weight 0.28 kg
Case material Enduring plastic
Cold-start time ~15 min depending on low-frequency cut-off
Maximum output swing ±5 V, single-ended output