Vibration sensor KSI

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简要描述：Vibration sensor KSI：The output signal is given directly as an effective value or peak value of the acceleration in 4...20mA.

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Vibration sensor KSI：

The vibration transducers of the KSI series are piezo sensors with integrated electronics and are used to detect absolute vibrations on machines and system components in the frequency range 2Hz to 10kHz.

The output signal is given directly as an effective value or peak value of the acceleration in 4...20mA. The sensors are suitable for direct connection to standardised measuring and control technology, e.g. PLC, control panel instruments or limit value relays.

Vibration sensor KSI：

Particularly suitable for higher frequency vibrations

Supply directly from the current loop

Robust, sealed stainless steel housing IP68

Insulated housing to avoid earth loops

Double shielding for improved EMC protection

M12 connector for easy mounting

Protection against wrong polarity / overvoltage

Measurement in all directions

Temperature range from -40 ... 100°Cn

Technical data

	KSI84-AR	KSI84-AP
Measured variable	Effective value acceleration	Peak acceleration
Measuring principle	Piezo, Shear principle	Piezo, Shear principle
Output	4 ... 20mA	4 ... 20mA
Supply voltage	10 ... 30VDC	10...30VDC
Nominal measuring range	10/20/50/100/200/500 mV/g ±2%	10/20/50/100/200/500 mV/g ±2%
Linear measuring range amin/amax	2 ... 112,5 %	2 ... 112,5 %
Fracture acceleration	5000g	5000g
Linear frequency response f5%	0,4 ... 13000 Hz	0,4 ... 13000 Hz
Lower cut-off frequency	1,5/3/10/30/100/1000 Hz	1,5/3/10/30/100/1000 Hz
Upper cut-off frequency	100/300/1000/5000/10000 Hz	100/300/1000/5000/10000 Hz
Settling time	2-4 s	2-4 s
Transverse direction factor	< 5%	< 5%
Constant current supply	2 .. 20mA	2 .. 20mA
Working point voltage at ICONST = 4 mA	12 .. 14 V	12 .. 14 V
Output impedance at ICONST = 4 mA	< 130 Ω	< 130 Ω
Working temperature range	-40 / 100 °C	-40 / 100 °C
Temp. coefficient of sensitivity	±0,015 %/K	±0,015 %/K
4 mA-Offsetdrift from Tmin to Tmax	± 4µA	± 4µA
Insulation resistance for 250 VDC	>4000 MΩ	>4000 MΩ
Dielectric strength	350 VDC	350 VDC
Degree of protection	IP 68	IP 68
Ground without cable	60g	60g
Case material	Stainless steel	Stainless steel
Cable connection	axial	axial
Socket	Binder 713 Flange bushing	Binder 713 Flange bushing
Mounting thread	M8 x 5,5	M8 x 5,5

Versions of the measuring and frequency ranges see table Version overview

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Vibration sensor KSI

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