IMU-3C

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IMU-3C

3 Channel Real Time Seismic Data Logger
Supports Multiple Power Supply and Data Transmission Options

Main Features

New Generation 3-Component intelligent
monitoring unit

High resolution data with up to 0.25ms
sampling and 32-bit delta-sigma ADC

Externally connected with various
sensors

Built-in GNSS module, support internal and
external GNSS antenna

Built-in 4G module (support SIM card replacement),
achieve real-time data
transmission, parameter configuring

Support internal and external power
supply

Dual-LED indicator, indicates the acquisition
and data transmission status of
device

Built-in 4G antenna

SmartSolo®
IMU Peripherals

Single-port adapter charging
Single-port charging equipment
Low cost and fast charging solution

Single-port USB data download cable
Download speed reach 20MB/S

Specifications

Size and Weight

136mm*120.7mm*88mm (w/o external 4G antenna)

Data Storage

64GB
128GB

Recharge Time

<7 hours

Operating Life@25°C

60h 4G real-time transmission working mode@2ms
25 days working offline@2ms

Communication

4G/ Ethernet

External Power supply

7~ 15V DC (single supply)

Acquisition Performance 5Hz

Natural Frequency : 5Hz
Distortion : < 0.15%@12 Hz 0.7 in/s Measured at peak-to-peak velocity, 0°~ 10°vertical angle 0°~ 3°horizontal angle
Damping : 0.6
Sensitivity : 80 V/m/s (2.03 V/in/s)
Remark : All parameters are specified at +22°C in the vertical position for vertical geophone and horizontal position for horizontal geophone unless otherwise stated

Acquisition Performance 2Hz

Natural Frequency : 2Hz
Distortion : ≤ 0.30% 0.7 in/s Measured at peak-to-peak velocity
Damping : 0.7
Sensitivity : 260 V/m/s (2.0 V/in/s)
Remark : All parameters are specified at +20°C in the vertical position for vertical geophone and horizontal position for horizontal geophone unless otherwise stated.

Physical Specs

Seismic data channel(s) : 3
ADC resolution : 32 bits
Sample intervals : 0.25, 0.5, 1, 2, 4, 8, 10, 20 milliseconds
Preamplifier gain : 0dB to 36 dB in 6 dB steps
Anti-alias filter : 206.5 Hz @ 2ms (82.6% of Nyquist)
Selectable - Linear Phase or Minimum Phase
DC blocking filter : 1Hz to 10Hz, 1Hz increments or DC Removed
Operating temperature : -40°C ~ +70°C
Waterproof : IP68
GNSS mode : Support GPS, BEIDOU, GLONASS, single or double mode operation
Charging Temperature Range : +3°C ~ +45°C

Channel Performance

Maximum Input Signal : ±2.5Vpeak @ Gain 0dB
Equivalent Input Noise : 0.18μV @ 2ms Gain 18dB
Total Harmonic Distortion : <0.0002% @ Gain 0dB
Common Mode Rejection : ≥100dB
Gain Accuracy : <1%
GPS Time Standard : 1ppm
Timing Accuracy : ±10μs, GPS Disciplined
Cross Feed : < -110dB
System Dynamic Range : 145dB
Frequency Response : 0 ~ 1652Hz
Wireless Communication : Bluetooth Low Energy
Remark : All parameters are specified at 2ms sample interval, 31.25 Hz, 25°C, unless otherwise indicated

4G IoT Frequency Band

Performance : LTE CAT4 3GPP R11(Type 4: 150Mbps Upper peak/50Mbps Lower peak)
Frequency band : LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28
LTE-TDD: B38/B39/B40/B41
UMTS: B1/B2/B4/B5/B6/B8/B19
GSM: B2/B3/B5/B8