Oscillation Analyzer PCE-VM 25
Oscillation analyzer to monitor machines and roller bearing /
contact-free temperature and rotational speed determination / OLED- color display / 
graphic display / data storage for 16,000 measurement values / USB interface

The oscillation analyzer PCE-VM 25 is designed for engine monitoring. Therefore the oscillation analyzer assures a smooth operation of those machines. Due to its simple application, the oscillation analyzer can be used for the measurement of a large range of parameters. Those parameters can be acceleration, speed and path. The oscillation analyzer not only shows the effective value but also the peak value and crest factor. The oscillation analyzer delivers detailed information on the current state as well as past history of the measurement values due to a spectral analysis and a tendency prognosis. The oscillation analyzer features a USB connection to transfer the measured data to a computer in order to evaluate them there on an optionally purchasable software. This allows long-term measurements with the record on a detailed protocol of the measured data. Even if the data is not transferred, the oscillation analyzer has enough data storage capacity to save 16000 measured values internally. There is also the option of purchasing VMID measurement slots. If there are any questions about this Oscillation Analyzer PCE-VM 25, please have a look at the technical specification below or call: UK customers +44(0) 23 809 870 30 / US customers +1-410-387-7703 0. Our technicians and engineers will gladly advise you regarding all vibration monitors and all products in the field of measuring instruments, regulation and control and scales.

- Graphic diagram of tendency
- Output for headphones
- Multiple languages 

- OLED display 
- Autom. recognition of measuring location due to sensor foot
- Pocket design

Technical Specifications of the Oscillation Analyzer 

Oscillation acceleration

0.1 ... 240 m/s², 0.2 Hz ... 10 kHz, 
3 Hz ... 1 kHz, 1 kHz ... 10 kHz

Oscillation speed

0.1 ... 1000 mm/s, 
2 ... 300 Hz, 10 ... 1000 Hz

Oscillation path

0.01 ... 60 mm, 2 ... 300 Hz

Diagnosis parameter K(t) for roller bearing

1 ... 10 kHz, with data storage for 1600 initiation values (eff. / peak)

Effective value measurement

yes

Peak value measurement

yes

Crest factor measurement

yes

Measurement accuracy (oscillation)

±5 %, ±2 digits

Revolution measurement

1 ... 9999 rpm, optical

Temperature measurement

-40 ... +125 °C ±2 K, infrared

Frequency analysis 

125 lines FFT;
acceleration / speed
7 frequency ranges 2 to 11712 Hz

Output for headphones

3.5 mm via adapter VM2xHP,
volume adjustable

Interface

USB

Data storage for measured value

16000 values, opt. computer software to administer measured data and measurement slots

Display

OLED graphic display; colored; 128 x 160 pixels

Voltage supply

3 x LR03 / HR03 / AAA batteries or NiMH batteries, operation time 8 ... 12 h

Operation temperature

-20 ... +60 °C, <95 % air humidity without condensing

Dimensions

125 x 65 x 27 mm

Weight

140 g with batteries, without sensors

Technical Specifications on acceleration sensor of Oscillation Analyzer PCE-VM 25

Output 

Low power IEPE

Piezo system

Shear principle

Nominal sensitivity

3,5 mV/ms-2

Sensitivity for irrelevant parameters

<5 %

Dimensions

Ø 21, height 34 mm (without socket)

Weight

53 g 

Operation temperature 

-20 ... +80 °C

Sensor cable

Spiral Cable, stretched length approx. 1.6 m, Ø 4 mm

VMID recognition of measuring slot

digital, one-time 16-digit hexa decimal number, read-out via sensor foot, enclosure of stainless steel Ø 25 mm, height 15 mm, 45 g, montage: two-components epoxy adhesive

Application images of the oscillation analyzer PCE-VM 25

Here you can see the oscillation analyzer during operation: measuring one point.

General information on VMID-measurement locations

There can be optionally VMID measuring point used for the analysis. These are magnetic coupling parts maid of stainless steel, that have a digital serial number. This serial number can be  transferred through a read-out contact inside the sensor's bottom via the sensor cable. By using these fixed measuring points it is guaranteed that the relevant locations can be measured again and again. 

Delivery Content of the Oscillation Analyzer PCE-VM 25: 
1 x Oscillation Analyzer PCE-VM 25, 1 x oscillation analyzer with spiral cable, 1 x VMID measurement location, 1 x USB cable, 1 x head phone adapter, 1 x calibration certificate, 1 x instruction manual, 1 x plastic suitcase

Optional Equipment of the Oscillation Analyzer PCE-VM 25:

- VMID-PCE VM 25: VMID measurement point (package of five)

- SOFT-PCE VM 25: computer software VM 25

- TSA - PCE VM 25: probe tip adapter VM25

- TS-PCE-VM 25: probe tip for acceleration absorber (M5)

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