Rotational seismometer METR-13

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 0.033 Hz (30 sec) - 100 Hz
1 Hz - 150 Hz
or by customer specification
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 orthogonal
Supply voltage 12 V Nominal (10.5-16 V permissible)
Power consumption 24 mA nominal
Temperature range -12°C - +55°C - standard range
-40°C - +55°C - extended range
Maximum installation tilt Any
Dimensions 120 x 120 x 102 mm
Weight 1.5 kg
Case material Aluminum
Output impedance 500 Ohm
Cold-start time ~15 min depending on low-frequency cut-off
Maximum output swing ±5 V, single-ended output