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Portable Vibration Meter
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VW-3100

The VW-3100 is Portable Vibration Meter that combines the "listening," "measuring," and "judging" functions necessary for on-site vibration measurement into a single device.
As a manufacturer of measuring instruments, Ono Sokki can solve your problems with its vibration sensing and signal processing technologies.

Four key points of the VW-3100

1. Don't overlook any machine malfunctions.
Simultaneous display of acceleration, velocity, and displacement.
This prevents oversights and maximizes inspection efficiency.

2. Become an expert's "ear."
Variable filters accurately identify abnormal noises.
This is useful for passing on diagnostic techniques using a stethoscope.

3. Take all of the "evidence" from the scene with you.
Vibration measurement and recording were performed simultaneously.
Detailed diagnoses can be performed at our office.

4. Supports ISO evaluation, route inspection, and trend management.
With a variety of functions, including ISO 20816 evaluation and trend management, it powerfully assists vibration measurement.

Features

Examples of use

For those struggling with technology transfer

For those struggling with technology transfer

Reproducing the expert's "ear" and "intuition" with a "listening function".
Quantifying sensory evaluations into numerical values and data.

For those aiming to digitize their inspection operations

For those aiming to digitize their inspection operations

From measurement using Portable Vibration Meter to data trend management, everything is streamlined in one go.

To those responsible for handling unusual noise issues

To those responsible for handling unusual noise issues

The cause of the unusual noise is a vibration phenomenon.
Converting vibrations into sound and comparing them to past vibrations will speed up the process of identifying the cause.

For those having trouble detecting abnormalities

For those having trouble detecting abnormalities

The VW-3100's unique "V3 Band" feature reliably detects subtle signs of malfunction that might otherwise be overlooked.

VW-3100 Product Introduction Video

List of features

Standard Options

Vibration meter mode

In addition to four display modes (Single, Triple, Trend, List), it comes standard with an audio humming function and a bandpass filter.

  • Vibration meter mode

① Simultaneously measure three vibration values

assignment:
Despite regular inspections, the machines still break down.
The machine's malfunction hasn't been detected.

Solved:
To identify machine malfunctions, it's necessary to measure three vibration values (acceleration, velocity, and displacement). These values can be calculated and displayed simultaneously using the V3 band. This allows for accurate identification of abnormalities and improves work efficiency.

② Abnormal noises and signs of deterioration can be detected.

assignment:
I can't tell which one is the strange noise.
There is no difference in vibration values between normal and abnormal conditions.

Solved:
A variable bandpass filter allows you to freely set the frequency range and extract only specific frequency bands.

③ You can hear the vibration sound.

assignment:
The experience of skilled professionals and the sounds heard with a stethoscope
It cannot be shared or passed on to other workers.

Solved:
The sensor signal can be converted into sound and listened to. By narrowing the frequency range with a variable filter, it becomes easier to detect abnormal noises.
It can also be used as a tool to listen to "vibrational sounds" instead of a stethoscope.

Easily switch between four measurement screens.

By changing the perspective depending on the measurement, we can gain a better understanding of the phenomenon and improve the efficiency of the measurement.

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

  • Trend: Understanding fluctuations in vibration values

  • Triple: Measures three vibration values simultaneously.

  • List: View all measured values at once

  • Easily switch between four measurement screens.

Optional Options

VW-0310 Equalizer function (optional feature)
VW-0310 Equalizer function (optional feature)

assignment:
It's difficult to distinguish between different sounds from a variety of other sounds, like a skilled professional can.

Solved:
The vibration sound can be increased or decreased in 1/1 octave band increments. By emphasizing unwanted sounds and reducing them, you can recreate the "hearing" of an expert and share key nuances.

VW-0320 Recording and comparison function (optional feature)
Simply press REC → START to perform a detailed analysis in the office.
Simply press REC → START to perform a detailed analysis in the office.
Recording function

assignment:
Bringing a data recorder is a hassle. Gathering people on-site to check for unusual noises is also troublesome.

Solved:
You can record while taking measurements and performing inspections. You can then take the recordings back to the office, listen to the vibration sounds again, and perform detailed analysis using software like O-Solution. It can also be used for technology transfer.

Register the recorded data
Register the recorded data
Listening comparison function

assignment:
I can't tell if the vibration sound has changed.
I want to compare it to the sound when an abnormality occurs.

Solved:
You can switch between vibration sounds measured on-site and pre-recorded vibration sounds and compare them in real time.
Furthermore, using the V3 band makes it easier to determine whether or not there is an abnormality.

VW-0330 Filter Extension Function (Optional Feature)
HPF/LPF cutoff frequencies [Hz] (shaded area is extended)
HPF/LPF cutoff frequencies [Hz] (shaded area is extended)

assignment:
We want to accurately capture the abnormal phenomena.
I want to take measurements without being affected by noise.

Solved:
In addition to the standard bandpass filter, you can select even finer frequency ranges.

VW-0340 ISO evaluation and judgment function (optional feature)
You can immediately tell if the threshold has been exceeded.
You can immediately tell if the threshold has been exceeded.

assignment:
I want to move away from maintenance that relies solely on experience.
I want to make appropriate decisions while monitoring vibration values.

Solved:
You can choose between absolute value evaluation and relative value evaluation as your evaluation method.
The equipment's condition can be assessed using evaluation criteria that comply with ISO and JIS standards.

Vibration diagnostic assist tool

VW-0360 Vibration Diagnostic Assist Tool (Optional Feature)

This software manages the measurement conditions and acquired data of vibration meters.
By creating measurement conditions and evaluation criteria in the software and transmitting them to Portable Vibration Meter, inspection work can be made more efficient. Furthermore, the smooth visualization of vibration value trends and comparison with evaluation criteria leads to more efficient maintenance work.

  • VW-0360 Vibration Diagnostic Assist Tool
    VW-0360 Vibration Diagnostic Assist Tool
  • The VW-3100 can send measurement data to a PC.
    The VW-3100 can send measurement data to a PC.

Making the VW-0360 even more convenient
VW-0350 Assist Tool Integration Function (Optional Function)

By linking equipment information and measurement conditions on the software and creating an ID list based on that list, vibration values can be measured on-site while checking the equipment information. Even when performing route inspections targeting multiple pieces of equipment, data can be acquired reliably and efficiently.

*VW-0360 is required to use VW-0350.

  • VW-0350 Assist Tool Integration Function
    VW-0350 Assist Tool Integration Function
  • Send the measurement conditions created on the PC to the VW-3100.
    Send the measurement conditions created on the PC to the VW-3100.

System Configurations

We introduce the types of sensors and system configurations that can be used.

  • System Configurations

Product Brochures

Specification

Sensor input

Signal input Accelerometer with built-in preamplifier (NP-3000 series, etc.)
External voltage signal input (switchable)
Number of Channels Channel 1
Input terminal BNC (C02 type) Waterproof (when sensor is connected)
Input voltage range ±5 V
Constant current drive (CCLD) Operating voltage: +23 V to 26 V
Constant current value: 4 mA ± 25% (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
(The measurement range setting will vary depending on the sensor sensitivity.)
Unit calibration function Choose from m/s² or EU
EU type mV/EU、V/EU、EU/V、EU/mV
Sensor sensitivity settings 000.0100 ～ 999.9999
Analog filter Low-cut
(High-pass filter)		 OFF/1 Hz/3 Hz/10 Hz
-3 dB (± 1 dB), -18 dB/Oct at fc (*)
High-cut
(Low-pass filter)		 OFF/1 kHz//10 kHz
-3 dB (± 1 dB), -18 dB/Oct at fc (*)
Input frequency response 3 Hz ～ 15 kHz ± 0.5 dB、 1.5 Hz ～ 20 kHz ± 3.0 dB
80 Hz reference

External signal input

Function Rotation speed input / Trigger input switching
Number of Channels Channel 1
Input terminal φ2.5 mm mini jack
Number of rotational pulses 0.5 to 360 P/R (adjustable in 0.5 increments)

analysis department

A/D conversion resolution 24 bit
Sampling Frequency 64 kHz
Number of set bands 3 bands
Digital Filter High-pass filter / Low-pass filter OFF / 10 Hz / 30 Hz / 50 Hz / 100 Hz / 300 Hz / 500 Hz /
1kHz / 3kHz / 5kHz / 10kHz / 20kHz
-3 dB (± 1 dB), -48 dB/Oct at fc (*)
Vibration Severity Filter Equipped with an ISO 2954:2012 compliant filter.
(High-pass filter 10 Hz, low-pass filter 1 kHz)
Measurement frequency range acceleration 1.5 Hz～20 kHz
speed 3 Hz～3 kHz
displacement 3 Hz～500 Hz

Arithmetic unit

Measurement items RMS RMS value 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 value of the absolute value of the time waveform
P-P Twice the peak value
CF The ratio of the maximum RMS value to the maximum PEAK value at 500 ms intervals (PEAK / RMS)
EQpeak RMS multiplied by √2
EQp-p Twice the value of EQpeak
(EQp-p can only be measured when the [Mode] under [V3 band conditions] is [Displacement])
Calculated item 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 Calculated value Select from 500 ms / 1 s

External Interface Section

LAN Measurement conditions, receiving and transmitting measurement data
(Requires VW-0350 or VW-0360 option)
USB bus powered Function Power receiving only (USB PD not supported)
SD card Compatible cards SD, SDHC, SDXC up to 64 GB

Output section

Analog output AC/THR connector AC output / THR output (switchable)
DC connector DC output
Output Impedance 50 Ω
AC/THR output Output target AC: The calculated signal in any one band.
THR: Signal immediately before digital processing
Output terminals φ 2.5 mm mini jack
Output voltage range ±5 V
Offset Voltage Within ±20mV
DC output Output target RMS value calculation data for the selected band
Output terminals φ 2.5 mm mini jack
Output voltage range 0 ～ +5 V
Offset Voltage Within ±20mV
PHONE output Output target Signal before or after passing through a bandpass filter in any one band
Output terminals φ 3.5 mm mini jack × 1 (Connects earphones/headphones with a φ 3.5 mm stereo mini plug (3-pole))
Maximum output 18 mW (typical value at a 20 ohm load)
Volume adjustment 20 levels
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 kinds Four AA alkaline batteries (LR6) or nickel-metal hydride rechargeable batteries (HR6)
Continuous operation time LR6: 4 hours or more (using the default vibration meter mode in the main unit settings, NP-3331C, analog output, headphone output OFF)
Measured using Panasonic EVOLTA NEO batteries.
USB bus powered Input voltage range DC 4.75 V ～ 5.25 V
Absolute Maximum Input Voltage DC 6.5 V
Current consumption 900 mA or less when 5 V is supplied
Mobile battery Only those that meet the above power supply specifications will operate.
Watch backup battery Lithium-ion rechargeable battery
Operating temperature range -10°C to +50°C (excluding batteries)
Operating humidity range 20–90% RH (non-condensing)
Storage temperature range -20°C to +60°C (excluding batteries)
Storage humidity range 10–90% RH (non-condensing)
Outline drawings 104 mm(W) × 223 mm(H) × 42 mm(D)
Weight Approximately 625 g (main unit only, including battery).
Waterproof/dustproof IP54 (with NP-3331WC connected, headphones, external input terminal caps, main unit bottom cover attached, and battery cover attached)
Applicable standards CE marking
EMC Directive: 2014/30/EU Standard EN 61326-1:2021
RoHS Directive: 2011/65/EU Standard EN IEC 63000
Accessories Quick start guide / AX-501 (1 unit) / SD card / BNC cap

*fc: Cutoff frequency

accessories

  • VW-0010 accessory for VW-3100

    VW-0010 accessory for VW-3100

    One neck strap
    One hand strap

  • Soft Carrying Case CC-0024

    Soft Carrying Case CC-0024

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最終更新日:2026/02/06