Search Results for if formula false result
R-Series Brief Instructions - Temposonics
a support, rod and position magnet may be damaged. A false measurement result is also possible. Longer rods require evenly distributed mechanical support over the entire length (e.g. part no. 561 481). Use an U-magnet for measurement. Magnet 1 2 3 3 A B Magnetic material 1 Null zone, depends on sensor model 2 Distance between position magnet ...
VIBRATION FUNDAMENTALS - PCB
measurement limits for any test (ex: ± 5% or ± 3dB). The graphic below shows the relationship between sensitivity and frequency: Time Constant (RC) Instantaneous Charge (q) 0 1 3 5 37% 100% Input Output (A) C R q = Qe-t/RC-3 dB 0 dB-5% f L Frequency (Hz) Sensitivity 3f L 9f L 0.2f r 0.5f r f r Log Scale ± 3 dB Response Range ± 5% Response ...
UNDERSTANDING FIBER OPTICS UNDERSTANDING FIBER OPTICS - Amphenol Socapex
It is a function of the wavelength (λ), i.e. of the color (frequency) of the light. That means that the operating wavelength to transmit a signal in an optical fiber is not any wavelength.It corresponds to a minimum of attenuation. The following graph gives the linear attenuation as a function of the wavelength: linear attenuation (dB/km)
VIBRATION SWITCHES - PCB
Reset Function; Internal Pushbutton or Remote Switch ... Fully USB programmable for consistent results. n. Solid state relay for reliable operation. n. 2-wire operation uses existing mechanical switch wires. n. Eliminates false trips with programmable delays. n. Remote Reset Anywhere. TM. for safety . and convenience. n. Exclusive MAVT. TM.
Piezoelectric accelerometer design - Wilcoxon Sensing Technologies
function of the mechanical properties of the materials and the design style . Industrial accelerometer design, 2009 17 Vibration product training – low frequency measurements ... –Results in harmonic distortion and false harmonic signals . Industrial accelerometer design, 2009 27
Vibration Switches | PCB Piezotronics
Adjustable time delays to prevent false trips ; Works with PLC, DCS and SCADA systems for data trending ; Choose a product category in the menu on the right side of the page. ... PCB ® manufactures sensors used by design engineers and predictive maintenance professionals to test and measure vibration, pressure, force, acoustics, load, and ...
Design and Selection Criteria of High Temperature Accelerometers - PCB
resonance will result in large motion of the seismic mass. This large amplitude motion will non-uniformly stress compression mode accelerometer design crystals, often resulting in a distorted, non-linear signal. This distorted signal will contain low frequency spectral components which fold back and will appear as false low frequency
Vibration sensor wiring and cabling - Wilcoxon Sensing Technologies
The chart in figure 4 illustrates, graphically, the results of applying the formula for cable length limits. In this graph the maximum voltage swing was assumed to be 5 Volts and the cable capacitance 30 picoFarads (30 pF) per foot. 5 Volts is one generally accepted swing used for computation of accelerometer dynamic range
Vibration sensor wiring and cabling - Wilcoxon Sensing Technologies
The chart in figure 4 illustrates, graphically, the results of applying the formula for cable length limits. In this graph the maximum voltage swing was assumed to be 5 Volts and the cable capacitance 30 picoFarads (30 pF) per foot. 5 Volts ... nal distortion and cause false signals to appear at low frequencies. Other sources of high frequency ...
Marine & Industrial Support FAQs - An Amphenol Company
It is an indication of the batteries being charged or the charger has no load applied. To test the charger, try turning on DC cabin lights. On a 12-volt system, 100 watts is about 7.5 amps (+/-2 amps) On a 24-volt system, 200 watts is about 7.5 amps. What is the difference between 2000 and 5000 model charger lines?
Low frequency machinery monitoring: measurement considerations
Low frequency machinery monitoring: measurement considerations
SIGNAL TRANSMISSION ON LONG CABLE LENGTHS SENSORS - PCB
As referenced above, the maximum frequency that can be transmitted over a given cable length is a function of both the cable capacitance and the output impedance (ratio of the peak signal voltage to the current available from the signal conditioner). There are two methodologies to determine the maximum frequency signal for a given cable length.
Magnetostrictive Linear Position Sensors R-Series V ... - Temposonics®
magnet may be damaged. A false measurement result is also possible. Longer rods require evenly distributed mechanical support over the entire length (e.g. part no. 561 481). Use an U-magnet for measurement. Magnet Typical sensors Benefi ts Ring magnets Rod model (RH5) • Rotationally symmetrical magnetic fi eld U-magnets Profi le & rod ...
Vibration sensor wiring and cabling - Wilcoxon Sensing Technologies
The chart in figure 4 illustrates graphically the results of applying the formula for cable length limits. In this graph the where Iccd is the current supplied by the constant current supply and 1 mA is needed for powering the on-board electronics of the sensor. where fmax = maximum frequency (Hz), C = cable capacitance (pF),
Signal Conditioning Basics | PCB Piezotronics
These formulas also show the importance of keeping the sensor input cable/connector dry and clean. Any change in the total capacitance or loss in insulation resistance due to contamination can radically alter the system characteristics. ... The result is a voltage according to the law of electrostatics: ∆V=∆q/Ctotal. This voltage is then ...
Brief Instruction R-Series - Temposonics
a support, rod and position magnet may be damaged. A false measurement result is also possible. Longer rods require evenly distributed mechanical support over the entire length (e.g. part no. 561 481). Use an U-magnet for measurement. Magnet 1 2 3 3 A B Magnetic material 1 Null zone, depends on sensor model 2 Distance between position magnet ...
Brief Instruction E-Series - Temposonics
A false measurement result is also possible. Longer rods require evenly distributed mechanical support over the entire length (e.g. part no. 561 481). Use an U-magnet for measurement. Mounting clamps cre I stenin torue Sensor support (for sensors with stroke lengths ≥ 1 meter (≥ 3.3 ft)) U-magnet Sensor rod Non-magnetic fixing clip NOTICE
ELECTRONIC VIBRATION SWITCHES - PCB
Adjustable time delays prevent false trips during unit start-up and chance occurrences of short term vibration spikes. Compatible with PLC, DCS and SCADA systems for ... Self Test Function. Yes: Time Delay Adjustment. Single Turn Potentiometer: Power LED. Green: Alarm LED. Red: Alert LED. Yellow: Environmental. Temperature Range (Continuous)-22 ...
Instruction Manual Amphenol - PROTIMETER
with the cap provided with the unit when the function is not in use. Calibration of unit - The accuracy specifications of the product are generally valid for one year after the date of calibration. The product has an internal periodic calibration check to ensure the accuracy of the device and to warn customer whenever it goes out of calibration.
Brief Instruction E-Series 551684 Rev B - Temposonics
A false measurement result is also possible. Longer rods require evenly distributed mechanical support over the entire length (e.g. part no. 561 481). Use an U-magnet for measurement. Mounting clamps cre I stenin torue Sensor support (for sensors with stroke lengths ≥ 1 meter (≥ 3.3 ft)) U-magnet Sensor rod Non-magnetic fixing clip NOTICE