MP N/O3 Measurement module

Description

Three-component transceiver measurement module – Digitization and transmission of a three-component seismic signal to the LKP concentrator (SP/DTSS, SD/DTSS)

  • Ensures digital transmission of seismic signals within the ARAMIS M/E system
  • Transmits data to the surface or underground digital receiver module (OCGA, OCGD) of the local LKP concentrator (SP/DTSS, SD/DTSS)
  • Synchronizes the clock generator for A/C converters
  • Reads sensor parameters from built-in memory
  • Handles the collection of digital data for digital transmission and forms the transmission frame
  • Complies with intrinsic safety requirements for Group I, Category M1 with protection level ‘ia’
  • Compatible with concentrators with protection level ‘ib’

Specification

Number of analog inputs

 

3

Frequency bandwidth limited by anti-aliasing filter

 

250 Hz mode – 0 – 103.25 Hz
500 Hz mode – 0 – 206.5 Hz
1 kHz mode – 0 – 413.0 Hz
2 kHz mode – 0 – 826.0 Hz

High-pass filter

 

From 0.1 Hz to 1 Hz, can be disabled

Resolution

 

24 bits

Signal-to-noise ratio (SNR)

 

130 dB @ 250 Hz

Sampling frequency

 

250 Hz, 500 Hz, 1 kHz, 2 kHz

Programmable low-noise amplifier

 

x2, x4, x8, x16, x32, x64, x128

Transmission type

 

DTSS – pulse digital transmission over telecom power line

Transmission range

 

- up to 10 km for SP/DTSS
- up to 2.5 km for SD/DTSS

Operating temperature

 

0°C to +50°C

Enclosure protection rating

 

IP54

Dimensions

 

19 x 16 x 6.5 (cm)

Weight

 

4 kg

Dedicated sensors

 

SG3u, GVu, GVd, GHa, SP-5.28/E

Dedicated systems

 

ARAMIS M/E, Digital ARES*

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