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Vibration Velocity Sensor / Transmitter (4-20 mA)

Vibration Velocity Sensor / Transmitter (4-20 mA)

Vibration Velocity Sensor / Transmitter (4-20 mA)

Product catalog summary
Specifications:
The KSI 80VC and KSI 82VB sensors are designed for direct connection to standard control and measurement equipment such as PLCs and panel meters. They include complete signal processing for vibration severity measurement in rotating machinery according to ISO 10816. The sensors output the RMS of vibration velocity as a 4-20 mA signal and are available in sensitivity versions of 20 and 40 mm/s. The KSI 80VC operates in a low-frequency range of 1.5 to 1000 Hz, while the KSI 82VB covers a standard range of 10 to 1000 Hz. Both models are loop-powered, ground insulated, and protected against false polarization and overvoltage. They feature a compact, rugged design with an M12 socket for easy cable connection and a double-shielded case with IP67 protection grade.
Performance Parameters:
The sensors have a linear measuring range of 0.2 to 50 mm/s, with a nominal value of 20 or 40 mm/s at 20 mA. Sensitivity is 0.8 or 0.4 mA/mms-1. The lower 3 dB frequency limit is 1.5 or 10 Hz, and the upper 3 dB frequency limit is 1000 Hz. Non-linearity is ±2%, and residual noise is ±0.01 or ±0.005 mm/s. The sensors have a settling time to 1% tolerance of 10 or 2 seconds and operate within a loop supply voltage of 12 to 30 V.
Environmental and Mechanical Characteristics:
The sensors can operate in temperatures ranging from -40 to 85°C, with a temperature coefficient of sensitivity of ±0.05%/K. They are designed with a shear piezo system and have a destruction limit of ±4000 g. The transverse sensitivity is less than 5%. The sensors are made of stainless steel, weigh 66 g without cable, and have an M8 mounting thread.
Accessories:
Connection accessories include angled or straight plugs with 4 pins and 5 m cables. Mounting accessories include an M8 mounting stud, stainless steel adhesive pad, magnetic base, and triaxial mounting cube. A display module (M12DIS) is available as an accessory, featuring a vibration level display with a built-in load resistor for 4-20 mA current loops.
Installation and Connection:
The pinout includes connections for the loop output and case ground, with specific instructions for grounding if the mounting location is not grounded. The document provides a formula for calculating the load resistor based on the loop supply voltage.
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Catalog excerpts

Vibration Velocity Sensor / Transmitter (4-20 mA)-1

Eigenschaften • Geeignet zum direkten Anschluss an standardisierte Mess- und Regeltechnik, z.B. SPS, Schalttafelinstrumente oder Grenzwertrelais • Enthalt die komplette Signalverarbeitung fur die Schwingstarkemessung an rotierenden Maschinen nach DIN/ISO 10816 • Ausgang liefert den Effektivwert der Schwingge-schwindigkeit als 4-20 mA-Signal • In Messbereichsvarianten 20 und 40 mm/s lieferbar • Tieffrequenzversion KSI 80VC mit 1,5 .. 1000 Hz und Standardversion KSI 82VB mit 10 .. 1000Hz • Versorgung aus der Stromschleife • Galvanisch isoliert • Gegen Falschpolung und Uberspannung geschutzt • Kompakte und robuste Ausfuhrung • M12-Steckverbindung fur einfachen Kabelanschluss • Doppelt abgeschirmtes Gehause • Schutzgrad IP67 Properties • Suited for direct connection to standard control and measurement equipment, e.g. PLCs or panel meters • Contains complete signal conditioning circuit for vibration severity measurement at rotating machinery to ISO 10816 • Sensor output provides RMS of vibration velocity as 4-20 mA loop signal • Sensitivity versions 20 and 40 mm/s available • Low frequency version KSI 80VC with 1.5 .. 1000 Hz and KSI 82VB with standard range 10 .. 1000 Hz available • Loop powered • Ground insulated • Protected against false polarization and overvoltage • Compact and rugged design • Ml2 socket for easy cable connection • Double shielded case • Protection grade IP67

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Vibration Velocity Sensor / Transmitter (4-20 mA)-2

Anschlussbelegung: Pin- bzw. Ader-Nr. Belegung (Anschluss ist nur erforderlich, wenn der Montagepunkt nicht geerdet ist) Blick in die Sensorbuchse View at sensor socket Assignment not connected + loop output - loop output Case ground (connection only required, if mounting location is not grounded) Passendes Zubehor • Suitable Accessories Typische Beschaltung Typical Circuit Berechnung des Burdewiderstands Calculation of the Load Resistor 40 • (US - 18) < Rl < 40 • (US - 12) US ist die Schleifen-Versorgungsspannung in Volt US is the loop supply voltage in volts Anzeigemodul als Zubehor: M12DIS...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.