125.01 : Uniaxial Piezo Top
125.01 : Uniaxial Piezo Top

125.01 : Uniaxial Piezo Top

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€180.00 - €220.00
SKU: 125.01
Weight: 85.00 Grams
Shipping: Calculated at Checkout
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Description

This sensor has been manufactured since 2008. We will support it until December 2020.

Model 425.01 is now the low cost replacement when your machine rotation is >500 RPM.
Model 425.51 is now the premium replacement when your machine rotation is >180 RPM

-> 125.01-SRXX  is replaced by 425.01-SRXX
-> 125.01-VRXX  is replaced by 425.51-VRXX  or  425.01-SRXX
-> 125.01-ARXX  is replaced by 425.51-ARXX

  • No false trip  thanks to piezo annular shear technology.
  • Suit machines with speed as low as 180 RPM.
  • Permanent monitoring of the overall vibration to DIN ISO 10816 (New ISO 20816)
  • Two-wire technology
  • Best reliability thanks to lifetime warranty Hermetic sealing (laser welded)
  • Optional temperature output
  • Optional Accelerarion raw output (for waveform analysis)
  • Large choice of connectors for harsh industrial environment : M12 glass seal - Mil glass seal  & Overbraided Integral cable - Protection conduit

Specifications :

Measuring Range : see variants available. even acceleration RMS is available.
Frequency Range [Hz] :  3  ...  1000 (suit low speed machine)
Sensor Type : Piezo premium annular shear design
Analog current output [mA] :  4    ...  20
Ambient temperature [°C] :  -55°C ...  120°C
Protection :  IP67; IP 68;  IP 69K
Material : AISI316L (DIN 1.4404)
Sealing : Hermetic laser welded >IP69K
Weight : 70 gr (2.5 Oz)
Size : Hex 22mm  Height 50mm

Typical applications : 
continuous trending of overall machine vibration in the rugged environments of industrial machinery monitoring. Direct connection to PLC with 4-20 mA card.

Features-by-features comparison versus competition :
-> Check cross reference TAB

Sensor Strengths :
Model 125.01 offer distinctive configuration for specific market. For example, we can offer a 10mm/s RMS submersible sensor down to 150 metres with overbraided Polyurethane cable ...... 
Model 125.01 is available for OEM specific engraving.
Model 425.51 is available with exactly the same options along with additional full scale values and Atex zone 0 certification.

Datasheets    - English - PDF

Drawings        - English - PDF

Operating Manual - English - PDF
Operating Manual - Arabic - PDF
Operating Manual - French - PDF
Operating Manual - German - PDF
 
Legals:   Country of Origin : France      HS Code : 9031 80 80
 
 
204.01                                         -  Adhesive Pad
10.01-A01-E02-31-LL                  -  M12 cable assembly
191.01                                         -  Mounting Stud
  • False Trip ? What is happening ?
    The vibration velocity seems below the full scale range of the sensor unfortunately the sensor output is saturating .....
    MEMs based sensors have limited dynamic acceleration. When these limits are exceeded they have nonlinear output that lead to false trip. Piezoelectic sensors are by nature linear and almost not limited in acceleration range.
    For example some customers exhibit false trip when they encounter pump cavitations, sticking bearings, bearing lubricant failure, ... .

    Recommendations :
    Use our premium MEMs based  (model 425.51) vibration transmitter  with 100 g dynamic.
    Use our premium Piezo based (model 125.01) vibration transmitter with 2000 g dynamic.
  • What Connector / cable is recommended ?
    For standard application; we recommend our M12 epoxy seal connector.
    M12 or Mil glass seal connector is recommended for lifetime hermetic sealing warranty. It is also interesting when harmful gas are present in the process.
    For underwater application we recommend our IP68/IP69K integral polyurethane cable which has been successfully tested down to 150 meters.
    For best chemical resistance, we recommend our IP68/IP69K integral FEP cable.
    For really harsh environment our IP68/IP69K teflon FEP cable with stainless steel overbraid is the perfect solution.
Vibration transmitters Benchmarking table (The below table is part of our knowledge/manufacturer's datasheet and is given for feature-by-feature comparison only)  
 
  Machine
< 500 RPM		  Machine
> 500 RPM 

Saturation
if 
accel.  is >30 g
& <100 g

Saturation
if accel.  is >100 g

Full
scale

 Choice of
Connectors		 Atex Integral cable / 
sealing

Temperature

Output

Acceleration

Raw Output

Internal
Faraday
Shield

Hermeticity

Size

Note
VibraSens 425.01  No  Yes   Yes  Yes Various

 M12-MIL Glass seal

 N/A Yes / IP68/IP69K Yes Yes  Yes

Welded

 Hex 22 - 50mm MEMs Low Cost 
VibraSens 425.51 Yes  "  No   Yes Various "  Zone 0 " Yes Yes  " " "   MEMs Premium
VibraSens 125.01  Yes  "  No   No Various "  N/A " Yes Yes  " " "  Piezo Premium 
IFM VTV 122 No "  Yes Yes Fixed

M12 plastic

 Zone 2  N/A No No  Yes None  Hex 22 - 63mm  MEMs Low Cost 
Hansford HS40 No "  N/I  N/I Various

M12 plastic, MIL

 Zone 0 Yes / IP65 Yes  Yes  No Welded Hex 24  Piezo Old Compression.
Monitran  No "  N/I N/I Various M12 Plastic, MIL Zone 0  Yes / IP65 Yes  Yes  No Welded Hex 24  Piezo old Compression.
Wilcoxon PC420 Yes  "  No No Various MIL Glass seal Zone 0 N/I  Yes Yes  Yes Welded N/I 

Piezo Premium
                             
N/A : Not available.                 N/I : No information.
 
Need another cross reference : ask us !  We will be happy to help you. 
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