• Premium  velocity (3 Hz-1000 Hz) / acceleration (3 Hz - 10 000 Hz) vibration transmitter (RMS or Peak).
  
• No false trip thanks to improved MEMs design.
• 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/cables for harsh industrial environment : M12 glass seal - Mil glass seal  - Overbraided Integral cable - Protection conduit.

Specifications
Measuring Range : see variants available.
Frequency Range velocity [Hz] :  3  ...  1000  (suit speed machine as low as 180 RPM)
Frequency Range acceleration [Hz] :  3  ...  10 000  
Sensor Type : improved microelectromechanical system (MEMs)
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 425.51-VR25-3 (25 mm/s RMS with M12 connector) is kept on stock.
Model 425.51 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 425.51 is available for OEM specific engraving.
Model 425.51-Y1 is available with exactly the same options along with additional full scale values and Atex zone 0 certification.