Seismometer CME-4311-WP10

The СМЕ-4211-WP10/СМЕ-4311-WP10 are off-shore versions of the СМЕ-4211/СМЕ-4311 broadband seismometers. 

The seismometers are supplied with waterproof cases made of strong plastic and a stainless steel bottom that allow their underwater installations down to 10 meters without a waterproof sphere. The heavy stainless bottom ensures the certain orientation of the sensor at the ocean bottom. The seismometers are very rugged and can be used both on an ocean bottom and on land.

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 12/24 V Nominal (10.5-30 V permissible)
12 V Nominal (9-16 V permissible)
Power consumption 27 mA
8 mA - low power
Temperature range -12°C - +55°C - standard range
-40°C - +55°C - extended range
Maximum installation tilt ±15°
Dimensions 178 x 172 mm (diameter x height, including lifting ring)
Weight 4.5 kg
Case material Plastic and stainless steel, waterproof
Max. underwater depth 10 м
Cross-axes sensitivity -60 dB
Cold-start time 15 - 30 min