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 V/(rad/sec)
Clip level 0.1 rad/sec
Self noise at 1 Hz 2*10^-7 rad/sec in 10–150 Hz passband
Sensitivity axes 3 rotational orthogonal
Supply voltage 12 V Nominal (10.5-16 V permissible)
Power consumption 12 mA nominal
Temperature range -40...+55°C
Maximum installation tilt Any
Dimensions 80 x 82 x 55 mm
Weight 0.28 kg
Case material Enduring plastic
Output impedance 500 Ohm
Cold-start time ~15 min depending on low-frequency cut-off
Maximum output swing ±5 V, single-ended output