All-in-one portable device for vibration detection, analysis, and evaluation.

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The VW-3100 is a handheld vibration meter from Ono Sokki that simultaneously measures acceleration, velocity, and displacement in one compact unit.

Its variable band-pass listening function helps detect abnormalities and early signs of machine deterioration.
Measurement data can be recorded in WAV/ORF formats for post-analysis using O-Solution software, making it ideal for equipment inspection, maintenance, and quality control.

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

① 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.

② 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.

③ 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

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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