seismometer weak motion iot CME-6111-ND

CME-6111ND

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Description

CME-6111-ND is a force balance, 3-component, ultra-low noise broadband seismometer. It minimizes the thermal effects due to low noise molecular electronic transducer with electro-dynamic feedback. It comes with a robust enclosure eliminating special carrying procedures for shipping and installation. After installing it on a rigid horizontal surface, it’s enough to power up the device and wait for several minutes to start the measurements.

This model is very rugged and does not require any special means or procedures for transportation and installation. The only procedure to start the operation is to place the seismometer on a rigid horizontal surface, turn the power on and wait for several minutes.
This seismometer can be used in various applications such as seismic observatories, seismological surveys, seismic micro zoning and passive broadband seismic exploration.

Spesification

Spesifications
Frequency range 0.016 Hz (60 sec) - 50 Hz
Sensitivity 2000 V/(m/sec)
Clip level ±20 V or ±10 mm/sec
Self noise at 1 Hz 1.4 nm/sec (2.8 µV)
Dynamic range 137 dB at 1 Hz
Nonlinearity 0.2 %
Sensitivity axes Vertical, North, East
Supply voltage 12-24 V Nominal (9-36 V permissible)
Power consumption 1200 mW nominal / 3250 mW peak
Temperature range -40...+55°C
ADC sampling rate 1, 5, 10, 25, 50, 100, 125, 250, 500, 1000 Hz
Maximum installation tilt ±15°
Case connectors MS-3102 10-pin multipurpose male connector, SMA-M for an active/passive GPS antenna, SMA-M for Wi-Fi antenna, USB-B high-speed USB port
Dimensions 204 x 238 mm (diameter x height with handle)
ADC resolution 24 bit
Weight 7.9 kg
ADC noise performance 21.6 bits noise-free resolution at 100 sps
Gain coefficients 1, 2, 4, 8, 12
Case material Aluminum, stainless steel
Data recording mode continuous, schedule
Data recording format internal binary; miniSEED, SEG converters provided
Data storage microSD 32 GB
Data transfer USB 2.0, Wi-Fi
Cross-axes sensitivity -60 dB
Inbuilt sensors for device health monitoring Main supply voltage, temperature,compass, tilt
Cold-start time 5-15 min
Leveling, mass locking none required
Delivery set 1.5 meter 10-pin connector power cable with pigtails, 1.5 meter 10-pin/USB-A+power pigtails connectors digital cable, digital USB A/B cable, Wi-Fi SMA-M antenna for installation on the case, 5 m cable GPS antenna, 3 leveling feet, technical passport
GNSS receiver GPS / GLONASS

Features

  • Frequency Range: 0.016 Hz (60 Sec) – 50 Hz
  • Sensitivity: 2000 V / (m/sec)
  • Clip Level: 7.5 mm / Sec
  • Noise Level (1 Hz): 1.4 nm / Sec (2.8 µV)
  • Dynamic Range: 137 dB @ 1 Hz
  • Integrated Digital Recorder
  • Compact Design
  • Easy Configuration & Installation
  • Low Power
  • Molecular-Electronic Transducer
  • Electro-Dynamic Feedback

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