Broadband seismometer CME-4311-OBS

The CME-4311-OBS seismometer is specially adapted for ocean bottom installations.

This model has a specially designed compact light-weight case, a flat flexible signal cable and low-power consumption.

Specially designed hardware allows the seismometer to be installed inside titanium or glass waterproof spheres usually used for ocean bottom installations.

Characteristics Delivery and warranty

Frequency range 0.016 Hz (60 sec) - 50 Hz
Sensitivity 2000 V/(m/sec)
Self noise at 1 Hz 2.8 nm/sec (5.6 µV)
Sensitivity axes Vertical, North, East
Supply voltage 12 V Nominal (10.5 - 16 V permissible)
Power consumption 8 mA
Temperature range -40...+55°C
Maximum installation tilt ±15°
Max. underwater depth determined by the external housing
Cross-axes sensitivity -60 dB
Cold-start time 15 - 30 min
Case material Stainless steel, aluminum
Dimensions 162 x 115 mm (diameter x height)
Weight 3.1 kg