Single component node seismometer

      Shanghai Yingce Technologies Limited sells nodal seismometers completely designed and manufactured in China. The node seismometer has simple data acquisition and detection operations, it is reliable product, and has been verified on site.

      The complete system of node seismometer, including data acquisition platform, data download platform, and processing software, is a complete seismic system.

AllSeis1C node seismometer

AllSeis1C node seismometer

ALLSEIS-1C node seismometer

Product specifications

  • High performance fully built-in nodal seismic acquisition system, standard with built-in 5Hz high-sensitivity detector (~150Hz), optional with built-in 10Hz high-sensitivity detector (~240Hz);
  • Optional external KCK channel type, supporting quick replacement of built-in detector base and external KCK base;
  • 24 bit high-precision Δ - ∑ analog-to-digital converter, with main acquisition parameters comparable to international mainstream products, and configurable sampling rate and preamplifier gain;
  • Built in high-sensitivity GNSS satellite positioning and timing module, supporting multi satellite timing and positioning such as Beidou, GPS, GLONASS, etc., achieving microsecond level precision wide area system level synchronous acquisition;
  • Low power satellite intermittent timing working mode, clock synchronization accuracy better than ± 10us, can achieve over 600 hours of ultra long relay (not recommended for deep burial);
  • Configurable satellite continuous timing mode, clock synchronization accuracy better than ± 1us, supporting deep buried applications;
  • Configurable timed collection function, enabling flexible setting of collection date to collection duration;
  • Built in high-precision signal generator, supporting on-site full signal chain function and performance self checking and diagnosis, including system noise acquisition, real-time dynamic range, detector impedance, natural frequency, sensitivity, damping, etc;
  • Built in BLE wireless module, ground communication distance ≥ 20m, air communication distance ≥ 100m, supporting manual, vehicle inspection and drone line inspection;
  • Industrial grade Android Bluetooth notebook supports on-site construction management, equipment self inspection, wireless status query, real-time data collection feedback, and single shot readback; Cooperate with satellite positioning units to support precise positioning and search of buried equipment in the field;
  • The P&R (i.e. deployment and procurement) mode supports automatic line and station number matching, achieving maximum efficiency in field construction;
  • High strength engineering plastic shell, waterproof (IP68), flame retardant (5VA), anti UV aging (F1);
  • Small in size (9.8L x 10.8W x 11H cm) and lightweight (750g), making it easy to transport and construct in the field.

    • Product Function Overview

    The single component node seismometer ALLSEIS1C has the following functions

      nodel channel ： Standard 5Hz high-sensitivity sensor (~150Hz)
      Optional 10Hz high-sensitivity sensor (~240Hz)
      Optional external KCK interface housing base
      Digital solution ： 24 bit high-precision Δ - ∑ analog-to-digital converter
      storage capacity ： 8GB（optional 16GB）
      power ： Internal 52WH rechargeable lithium battery pack< Support continuous recording for more than 600 hours (25 days)
      Timing and punctuality accuracy ： Timing accuracy:+/- 10 μ s
      Timing accuracy:+/- 1ms (within 1 hour of satellite lock failure)
      self-calibration ： Built in signal generator, supporting full signal chain function and performance diagnosis
      Working mode ： Autonomous collection+on-site wireless quality control of hand books, supporting unmanned aerial vehicle patrols
      LED indication ： Collecting station status, satellite clock synchronization, wireless data transmission status
      Data collection method ： Centralized charging/data recycling station+wireless data return
      On site configuration and quality control ： Industrial grade Android Notebook
      weight ： 750g
      size ： 9.8L x 10.8W x 11H cm
      Operating temperature range ： -40℃ ~ +70℃

    Collect parameters

      AD analog-to-digital conversion ： 24 bits
      sampling rate ： 0.5ms、1ms、2ms、4ms
      Pre programmable amplification gain ： x1、x4、x16（0dB、12dB、24dB）
      Input impedance ： 40KΩ || 22nF (5Hz sensor)
      20KΩ || 22nF (10Hz sensor)
      gain accuracy ： 0.1%
      Analog signal input ： ±2.5Vp-p@x1 gain
      ±625mVp-p@x4 gain
      ±156mVp-p@x16 gain
      Real time dynamic range @ 1ms (typical value) ： 125dB @ x1 gain
      Total dynamic range ： 145dB
      Equivalent input noise (typical value) ： 1μV @ x1 gain
      0.25uV @ x4 gain
      harmonic distortion ： -120dB@ 31.5Hz
      Input Signal Bandwidth ： 0Hz ~ 866Hz @ 0.5ms（-3dB）
      0Hz ~ 800Hz @ 0.5ms（-0.1dB）
      Anti-aliasing filter ： Linear filter- 3dB bandwidth 86.6% Nyquist frequency
      stop-band attenuation ： >120dB @Nyquist frequency
      Common Mode Rejection Ratio ： >120dB

    Sensor parameters 5Hz&10Hz high-sensitivity sensors

      parameters ： 5Hz 10Hz
      Natural Frequency ： 5Hz±7.5％ 10Hz±2.5％
      sensitivity ： 76.7V/m/s±7.5%
      @0.7 damping       		80V/m/s±2.5%
      @0.7 damping
      alias frequency ： >150Hz >240Hz
      harmonic distortion ： ≤0.1%（Typical values） ≤0.1%（Typical values）
      coil resistance ： 1850Ω±5% 1800Ω±5%
      maximum inclining angle ： ±10° ±20°

    Applications

          Shallow surface geological survey