Rotational seismometer METR-11

The METR-11 three-component rotational seismometer is similar to the METR-01 seismometer, but its frequency range is optimized for seismic exploration.

The instrument is reliable and easy to use and can be set up at any angle to the horizon.

A typical cold-start time is no more than 15 minutes.

Characteristics Delivery and warranty

Frequency range 1 Hz - 150 Hz
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
Output impedance 500 Ohm
Cold-start time ~15 min depending on low-frequency cut-off
Maximum output swing ±5 V, single-ended output
Case material Enduring plastic
Dimensions 80 x 82 x 55 mm
Weight 0.28 kg