Questions tagged [transducer]

The tag has no usage guidance.

26 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
1answer
63 views

What's the circuit diagram symbol for a variable reluctance sensor transducer?

I know I've seen the symbol before, it's something like a circle with an open triangle facing in the direction of current flow with a line through the middle. I'm specifically thinking of the ...
2
votes
0answers
49 views

Magnetic sensor preamplifier using op07

I am using this circuit to amplify a sensor signal (220mV p-p) to about 5Vp-p and measuring by microcontroller ADC: When I connect the input signal, the input voltage level goes up (changes from ...
2
votes
1answer
287 views

Creep on a load cell

I am working with a 50kg load cell. In the datasheet(https://www.sparkfun.com/datasheets/Sensors/loadsensor.pdf), the creep is defined by (3min)%FS. What does it mean?
1
vote
1answer
42 views

Vibrating mesh transducer not nebulizing

Currently, I am trying to use a vibrating mesh transducer that's regulated using a high-voltage driver (100±5kHz, 65±5V), that's Grove Water Atomizer board. Two problems have been arising, which I've ...
1
vote
0answers
67 views

What type of sensor connection would be the most suitable?

I have a pressure transducer with a 6 pin bayonet MIL-C-26482 male connector. I need to wire this connector with a 9 pin female D sub analog input connector and I am not sure how to do so. Schematic ...
1
vote
1answer
189 views

Acoustic Emission Sensor

I wanted to use Acoustic Emission for the detection of termites. I was going through some research paper and they suggested that it can be done using an acoustic emission transducer of 60khz frequency....
1
vote
1answer
264 views

Voltage spikes in h-bridge inverter square wave output

I apologise if this is a repost but I couldn't find the problem anywhere else. I am trying to power an ultrasonic transducer using an h-bridge inverter design to convert arduino signal into a higher ...
1
vote
0answers
71 views

Ultrasonic Piezoelectric Pulse Amplification

I am working on a project that is going to use an IC similar to the Maxim MAX35103. I have not decided on the exact IC yet, but for ease of this discussion, we will assume the MAX35103. This MAX35103 ...
1
vote
1answer
136 views

Transient Response Suppression

In my project i am using an ultrasonic transducer. The transducer has a high Q-factor so that it's zero input transient responses decay rate is quite low and i am suffering from that because the ...
1
vote
0answers
137 views

Electrical power in piezoelectric transducer

This question is from the book Diagnostic Ultrasound Imaging: Inside Out By Thomas L. Szabo, regarding the power flowing into the piezoelectric ultrasound transducers. In chapter 5 (transducers) page-...
1
vote
0answers
117 views

Beam pattern for a linear array comprised of rectangular transducers

I am looking for the beam pattern of a linear array with uniform spacing, d, between n elements. I know for an array comprised of circular pistons it can be derived from $$\frac{1}{n}\frac{\sin[n\pi\...
0
votes
0answers
71 views

How can I electronically generate a signal similar to the one produced by striking a piezo?

I feel like this is a bit of an unusual request so I'm having a hard time figuring out how to research it. My question is: is there some way that I can use an Arduino to programmatically generate a ...
0
votes
1answer
27 views

wiring Tamura 4 pin hall effect current transducer to differential daq

How do i wire a 4 pin hall sensor: 200A model below https://www.mouser.com/datasheet/2/397/L03SXXXD15-469349.pdf I don't understand the wiring schematic below I currently have +15 to pin 1, -15 to ...
0
votes
1answer
43 views

What happens to current transducer if the line it is attached to short circuits?

I am using a SCT013-30 current transducer to measure current to an AC line. I hook it up to an ADS1115 16bit Analog Digital Converter. I would like to know what happens to the signal when the AC line ...
0
votes
1answer
33 views

ensuring transducer (transmitter) and receiver polarity

I am trying to implement a simple phased array of 7 transmitters rated 40 kHz. I have a few receivers to measure the acoustic field generated to validate if it works. What is a simple way to measure ...
0
votes
1answer
41 views

Confusion with mapping a transducer range to a different output voltage range

A pressure transducer with a range +/-200Pa has both serial and analog outputs. I'm only interested in positive pressure besides sometimes the negative pressure needed to be measured when there is ...
0
votes
0answers
135 views

Help identify a water level sensor in humidifier

I have this ultrasonic humidifier that looks like this: It has a piezoelectric transducer that produces the vapor. It also has a sensor that turns it off when the water runs out. The unit now just ...
0
votes
1answer
134 views

Pressure transducer being read using Labview

I understand this is not a typical question for this forum, and that NI Labview forum would be better (I posted there too), but I am hoping that someone who is proficient in Labview will see this. I ...
0
votes
0answers
56 views

Transducer impedance decreased when Amplifier is connected

I am trying to measure beam pattern and impedance curve of a transducer from 70 to 120 khz. To get a nice plot, i have to use an amplifier(op-amp +-14Vs and Gain=14db) between a Signal Generator(Whose ...
0
votes
1answer
51 views

7MHz Transducer Measuring Doppler Shift

I am currently messing around with a project I thought would be fun but am having some issues. My goal is to use a signal generator to send a wave through my 7MHz (Steminc) piezo s-configuration ...
0
votes
0answers
69 views

How to converting an alarm to ultrasound emitter?

I've heard that it's much more cost effective to convert alarms to ultrasonic emitters vs outright buying ultrasound transducers. How would you go about tackling such a project?
0
votes
0answers
33 views

A question about temperature change of a transducer

This load-cell has sensitivity Cn = 2mV/V. In the data sheet the only part about the temperature coefficient is: How can I calculate the change in sensitivity for a 10°C temperature difference?
0
votes
0answers
182 views

Pressure Transducer to complete circuit

I'm using the Adafruit Feather nRF52 to build the HIDScan sketch which essentially allows completed circuits to transmit keys over bluetooth. I have a switch that connects from pin A0 to GND, and ...
0
votes
1answer
170 views

Inserting transducer model into a circuit

I'm not looking for complex explanations on transducer modeling, rather lets assume we have a very simplified transducer model of basically an R and C in series: simulate this circuit – ...
0
votes
0answers
62 views

Build a breathalyzer like device but for testing liquid or semi-liquid subtances

As a recovering alcoholic, I know for a scientific fact that alcohol will altogether evaporate from boiling water after sufficient time, and nearly all alcohol from boiling food, which would have a ...
-1
votes
2answers
365 views

How to reverse a pressure transducer output voltage

I am trying to set up an air compressor on my truck and run it through a Ford APCM (auxiliary power train control module). It has a 5v output. The APCM has a custom throttle control input on it. It ...