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2ch Acceleration Module

Acceleration Module for the RA3100 Data Acquisition System.

SKU RA30-109 Category Tag
Manufacturer:

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2ch Acceleration Module

Description

2ch Acceleration Module for the RA3100 Data Acquisition System.

This module can measure acceleration, speed, and displacement of mechanical vibration using a piezoelectric acceleration transducer (built-in amplifier, charge output type). The periodicity of impact vibration caused by bearing flaws can be observed using RMS conversion and then envelope processing function.

Product Features

  • 2 Input Channels
  • Measures:
    • acceleration: 1m/s2 to 50km/s2 range,
    • speed: 10mm/s to 500m/s range,
    • displacement: 100μm to 5m range.
  • Amplifier built-in piezoelectric acceleration transducers (charge output type, voltage output type)
  • Charge output type piezoelectric acceleration transducers (charge converter needed)
  • 0.100 to 100.000mV/(m/s2) sensor sensitivity range
  • 16bit A/D resolution
  • 1MS/s maximum sampling speed
2ch Acceleration Module RA30-109
Input Channels 2
Input Connector Metal BNC connector
Input Type Unbalanced input (insulation between channels, and between channels and chassis)
Sensor Power Supply 4.2 mA ±5%, 22.5 V ±5%
Sensor sensitivity
setting range		 0.100 to 100.000mV/(m/s²)
Measurement Mode Acceleration, Speed, Displacement

Measurement Range (RANGE)

The measurement range differs according to the sensor sensitivity.

Acceleration
1, 2, 3.16, 5, 10, 20, 31.6, 50, 100, 200, 316, 500 m/s²
1, 2, 3.16, 5,10, 20, 31.6, 50 km/s²

Speed
10, 20, 31.6, 50, 100, 200, 316, or 500 mm/s
1, 2, 3.16, 5, 10, 20, 31.6, 50, 100, 200, 316, or 500 m/s

Displacement
100, 200, 316, or 500 μm
1, 2, 3.16, 5, 10, 20, 31.6, 50, 100, 200, 316, or 500 mm
1, 2, 3.16, or 5 m
Measurement Probability ±1% of rdg (In acceleration mode)
±2% of rdg (In speed mode)
±3% of rdg (In displacement mode)
Temperature Coefficient ±(300ppm of RANGE) / °C (at acceleration)
Frequency Characteristics Acceleration
5 Hz to 20 kHz (-0.5 dB to +0.5 dB)
1.5 Hz to 50 kHz (-1 dB to +1 dB)
1 Hz to 70 kHz (-3 dB to +1 dB)

Speed
15.9 Hz (0 dB ±1 dB) to 1.59 kHz (-40 dB ±1 dB)
Characteristics: -6 dB/oct

Displacement
15.9 Hz (0 dB ±1 dB) to 159 Hz (-40 dB ±1 dB)
Characteristics: -12 dB/oct
Low-Pass Filter (LPF) Cut-off frequency: OFF, 20 Hz, 200 Hz, 2 kHz, 20 kHz（-3 dB ±1 dB）
Characteristics: Tertiary Butterworth
Anti-aliasing filter
(A.A.F.)		 Cutoff frequency: OFF, 20, 40, 80, 200, 400, 800, 2k, 4k, 8k, 20k, 40 kHz 

Attenuation:-66 dB or less, at 1.5 times the cut-off frequency
A/D Conversion 16bit Resolution 1MS/s (max) Sampling rate
RMS Conversion

Response Speed:
High speed: 300 ms ±10% or less
Medium speed: 600 ms ±10% or less
Low speed: 2.4 s ±10% or less

Measurement Probability:
±1% rdg (10 Hz to 1 kHz, at low speed)
±1% rdg (30 Hz to 1 kHz, at medium speed)
±1% rdg (50 Hz to 1 kHz, at high speed)
±1.5% rdg (1 kHz to 5 kHz)
Envelope Calculation Function

Band pass filter (1 kHz to 20 kHz) → absolute value modulation → low-pass filter (1 kHz)
TEDS

IEEE 1451.4 Class 1 compliant (template ID: 25, sensor sensitivity automatically set)
Maximum Rated Voltage to Ground

42V (DC+AC peak) (between channels, between input terminals and chassis)
Dimensions (mm)

140W x 223D x 20H approx.
Weight

300g approx.
Compliance Standards

Safety: EN61010-1, EN61010-2-030
EMC: EN61326-1, Class A

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DAQLOG Systems Ltd
Brixham Laboratory
Freshwater Quarry, Brixham, TQ5 8BA

Tel: 01803 611 854

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