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VW-3100 Handheld Vibration Meter

Portable Vibration Meter for On-Site Machine Checks

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The Ono Sokki VW-3100 is a handheld vibration meter for industrial vibration measurement, equipment inspection, maintenance checks, and quality control.

It simultaneously measures acceleration, velocity, and displacement in one compact unit, helping engineers check machine vibration and signs of deterioration during on-site inspections.

Key Uses:
Machine Vibration Checks | Equipment Inspection | Maintenance |
Quality Control | Sound & Vibration Measurement

Portable Vibration Meter

Model:

VW-3100

Maker:

ONO SOKKI

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4 Key Highlights of the New Products

 

1. Simultaneous measurement and display of 3 physical quantities of vibration in the V3 Bands, enabling improved work efficiency by accurately identifying abnormalities.

 

2.Listening function with variable band-pass filters for anomaly detection and skill transfer

 

3. Simultaneous data recording during inspections (ORF/WAV format), facilitating advanced diagnostics through post-analysis software like the O-Solution

 

4. A wide range of optional functions to support on-site measurements and evaluations

 

 

System configurations & sensors


List of Functions

Standard functions

Simultaneous measurement of acceleration, velocity, and displacement

– To identify machine failures, it is necessary to measure three vibration values (acceleration, velocity, and displacement).
The VW-3100 can simultaneously calculate and display these values using the V3 band, allowing engineers to accurately identify abnormalities and improve work efficiency.

Extracting abnormal sounds and signs of deterioration

– With a variable band-pass filter, users can arbitrarily set the frequency range and isolate specific vibration components for precise anomaly detection.

Capable of listening to vibration sounds

– The sensor signal can be converted into audible vibration sounds for intuitive diagnostics.
By narrowing the frequency band using a variable filter, it becomes easier to detect abnormal machine noise.
It can also function as a modern alternative to an auscultation rod, enhancing field-level troubleshooting.

 


Easily switch between four types of screens displayed.

You can better understand phenomena and the measurement efficiency is improved.

 

Single : Check vibration value, rotation speed, and equipment name.

Triple : Measure three vibration values simultaneously

Trend : Understand the fluctuation of vibration values.

List : Grasp all measured values at once

Portable Vibration Meter VW-3100

Specifications

Specifications

Sensor Input
Signal Input Built-in preamplifier accelerometer (e.g., NP-3000 series)
External voltage signal input (switchable)
Number of Channels 1 channel
Input Connector BNC (C02 type), waterproof (when sensor connected)
Input Voltage Range ±5 V
Constant Current Drive (CCLD) Drive voltage: +23 V to 26 V
Constant current: 4 mA ± 25 % (at 25 ℃)
Absolute Maximum Input Voltage ±30 V (peak)
TEDS IEEE 1451.4 Ver.0.9 / 1.0
Measurement Range Setting 0.100 m/s² to 50000 m/s²
(Range depends on sensor sensitivity)
Unit Calibration Function Selectable: m/s² or EU
EU Type mV/EU, V/EU, EU/V, EU/mV
Sensor Sensitivity Setting 000.0100 to 999.9999
Analog Filter Low-cut
(High-pass filter)
OFF / 1 Hz / 3 Hz / 10 Hz
-3 dB at fc (±1 dB), -18 dB/Oct
High-cut
(Low-pass filter)
OFF / 1 kHz / 10 kHz
-3 dB at fc (±1 dB), -18 dB/Oct
Input Frequency Response 3 Hz to 15 kHz ±0.5 dB, 1.5 Hz to 20 kHz ±3.0 dB
Reference: 80 Hz
External Signal Input
Function Rotational speed input / Trigger input (switchable)
Number of Channels 1 channel
Input Connector φ2.5 mm mini-jack
Pulses per Revolution 0.5 to 360 P/R (settable in 0.5 increments)
Analysis Section
A/D Conversion Resolution 24 bit
Sampling Frequency 64 kHz
Number of Bands 3 bands
Digital Filter High-pass filter / Low-pass filter OFF / 10 Hz / 30 Hz / 50 Hz / 100 Hz / 300 Hz / 500 Hz / 1 kHz / 3 kHz / 5 kHz / 10 kHz / 20 kHz
-3 dB at fc (±1 dB), -48 dB/Oct
Vibration Severity Filter ISO 2954:2012 compliant filter
(High-pass 10 Hz, Low-pass 1 kHz)
Measurement Frequency Range Acceleration 1.5 Hz to 20 kHz
Velocity 3 Hz to 3 kHz
Displacement 3 Hz to 500 Hz
Computation Section
Measurement Items RMS RMS with time constant
Time constants: 8 ms / 16 ms / 32 ms / 63 ms / 125 ms / 250 ms / 500 ms / 630 ms / 1 s
PEAK Maximum absolute value of time waveform
P-P Twice the PEAK value
CF Ratio of maximum PEAK to maximum RMS every 500 ms (PEAK / RMS)
EQpeak √2 times RMS
EQp-p Twice EQpeak
(EQp-p can only be measured when [Mode] = [Displacement] in [V3 band conditions])
Computation Items Instantaneous value / Maximum value / Average value (calculated simultaneously for each measurement item)
Display Section
Display 4.3-inch transmissive LCD with capacitive touch panel
Display Update Computation values Selectable: 500 ms / 1 s
External Interface
LAN Receive/transmit measurement conditions and data
(Option VW-0350, VW-0360 required)
USB Bus Power Function Power supply only (USB PD not supported)
SD Card Supported Cards SD, SDHC, SDXC up to 64 GB
Output Section
Analog Output AC/THR Connector AC output / DC output (switchable)
DC Connector DC output
Output Impedance 50 Ω
AC / THR Output Output Target AC: Signal after performing calculation for the selected 1 band
THR: Signal immediately before performing the digital processing
Output Connector φ2.5 mm mini-jack
Output Voltage Range ±5 V
Offset Voltage Within ±20 mV
DC Output Output Target Signal before/after passing the band-pass filter for any 1 band
Output Connector φ2.5 mm mini-jack
Output Voltage Range 0 to +5 V
Offset Voltage Within ±20 mV
PHONE Output Output Target Signal before/after passing the band-pass filter for any 1 band
Output Connector φ3.5 mm mini-jack ×1 (connect earphones/headphones with φ3.5 mm stereo mini plug (3-pole))
Maximum Output 18 mW (typical, with 20 Ω load)
Volume Control 20 steps
CAL Output Output Signal (AC) Sine wave 160 Hz, amplitude 1.0 V (peak) ±3 %
Output Signal (DC) 0.707 V ±3 % (excluding DC offset voltage)
Output Gain ×1, ×2, ×5, ×10, ×20, ×50, ×100
General Specifications
Battery Type AA alkaline batteries (LR6) or NiMH rechargeable batteries (HR6), 4 pcs
Continuous Operating Time LR6: 4 hours or more (with default vibration meter mode, using NP-3331C, analog output, headphone output OFF)
Measured with Panasonic EVOLTA NEO
USB Bus Power Input Voltage Range DC 4.75 V to 5.25 V
Absolute Maximum Input Voltage DC 6.5 V
Current Consumption 900 mA or less at 5 V supply
Mobile Battery Operation limited to those meeting above power specs
Clock Backup Battery Lithium rechargeable battery
Operating Temperature Range -10 ℃ to +50 ℃ (excluding batteries)
Operating Humidity Range 20 to 90 % RH (non-condensing)
Storage Temperature Range -20 ℃ to +60 ℃ (excluding batteries)
Storage Humidity Range 10 to 90 % RH (non-condensing)
Dimensions 104 mm(W) × 223 mm(H) × 42 mm(D)
Mass Approx. 625 g (main unit only, including batteries)
Water/Dust Resistance IP54 (with NP-3331WC connected, headphone and external input terminal caps, bottom cover, and battery cover attached)
Compliance Standards CE Marking
EMC Directive: 2014/30/EU, EN 61326-1:2021
RoHS Directive: 2011/65/EU, EN IEC 63000
Accessories Quick Start Guide / AX-501 ×1 / SD card / BNC cap
* fc: cutoff frequency

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