We stock a few barometric pressure sensors, great for altitude and weather measurements. This pressure sensor is special because it comes with a metal port! Unlike other pressure sensors, you can easily attach a tube to it, to measure air pressure inside a close space. In particular we think this would be a great sensor for use with making DIY assistive tech “Sip & Puff” interfaces, or measuring the pressure within a vacuum chamber or other pressurized container.

Unlike most ported pressure sensors, this one uses I2C, it’s really easy to use with any microcontroller. Inside is a silicone-gel covered pressure sensing gauge with a pre-calibrated and compensated 24 bit ADC. We have example code and libraries for Arduino or CircuitPython/Python. You can measure absolute pressure 0 to 25 PSI, which is a great range since ambient pressure here on Earth is about 14.5 PSI.

The port is made of stainless steel and is 3.7mm long and 2.5mm diameter. It doesn’t come with tubing so be sure to purchase some tubing to attach to the port.

We’ve placed this nice sensor on a breakout board with 3.3V power regulation and level shifting so you can use it with any kind of microcontroller or microcomputer, from an Arduino compatible to Raspberry Pi

Features: 

1. Very small size
2. You can use with Arduino
3. Power Pins: 3-5V
4. I2C Logic pins:
   SCL – I2C clock pin, connect to your microcontrollers I2C clock line.
   SDA – I2C data pin, connect to your microcontrollers I2C data line.
5. You can program with python

Packages Includes:

1 x Adafruit MPRLS Ported Pressure Sensor Breakout – 0 to 25 PSI RoHS Compliant

BX120-3AA High-precision resistance strain gauge is a foil metal strain gauge, widely used in pressure sensors and weighing sensors. BF350 is mainly fit for 0.02 level manufacturing crafts pressure sensor which means its output deviation should be controlled within 0.02 so its precision is really high. You could use it to measure the strain of components directly!

Features:

1. High accuracy helps you get the accurate resistance data
2. Good stability for its running and usability

Specifications:

1. Resistance:120 Ω
2. Strain Limit:2%
3. Sensitivity Coefficient:2.10

Package Includes:

1 x BX120-3AA High Precision Resistance Strain Gauge /GAGE/ Full Bridge(Use for Pressure and Weight Sensor)(1pcs)

The DT series of piezo film sensor elements are rectangular elements of the piezo film with silver ink screen
printed electrodes. They are available in a variety of different sizes and thicknesses. The DT film element produces more than 10 millivolts per microstrain, about 60 dB higher than the voltage output of a foil strain gauge. The capacitance is proportional to the area and inversely proportional to the thickness of the element.

Features:

1. Piezoelectric film sensor without lead attachments
2.  Silver ink electrode
3.  Available in different sizes and thicknesses
4.  Great for making your own senso

Specifications:

1. Thin Piezo polymer w/ high piezo activity
2. Flexible silver ink metallization
3.  Min. input impedance: 1 MΩ,
4. Recommended Impedance: 10 MΩ
5.  Output voltage: mV to 100s of volts
6.  Operating temp: -40 to 60°C
7. Capacitor: 1.38 nf

Package Includes:

1 x PIEZOELECTRIC SENSOR, VOLTAGE, 1.38NF

LFS1305 CLASS C / F0.6 Conductivity Sensor 100 µS/cm to 200 mS/cm 100 Hz to 10 kHz 0.3 mA 4 Electrode  Conductivity Sensor can be used for various conductivity measurement applications.

Features:

1. Wide conductivity and temperature range ▪ Excellent long-term stability
2. Fast response time
3. Integrated RTD for temperature measurement and /or compensation
4. Optimal accuracy
5. 4 electrode measurement
6. Resistance to various chemicals

Specifications:

1. Conductivity range: 100 µS/cm to 200 mS/cm
2. Cell constant4): typical 0.86 cm-1
3. Nominal resistance: 1000 Ω at 0 °C
4. Measurement frequency range: 100 Hz to 10 kHz
5. Maximum excitation voltage (between pin 1 and pin 6): < 0.7 Vpp (Electrolysis of the analyte has to be avoided)
6. Operating temperature range: -30 °C to +100 °C
7. Temperature sensor: Pt1000
8. Temperature coefficient (Pt1000): 3850 ppm/K
9. Measuring current (Pt1000)5): 0.3 mA
10. Temperature sensor accuracy (dependent on temperature range): IEC 60751 F0.6 C (IST AG reference)
11. Connection: Pt/Ni wires, Ø 0.2 mm
12. Dimensions (L x W x H / H2 in mm): 12.9 ±0.3 x 5.5 ±0.3 x 0.65 ±0.1 / 1.2 ±0.3

Package Includes:

1 x LFS1305 CLASS C / F0.6 Conductivity Sensor 100 µS/cm to 200 mS/cm 100 Hz to 10 kHz 0.3 mA 4 Electrode

The FlexiForce Prototyping Kit allows engineers and designers the freedom to plug their preferred circuit module(s), easily make sensitivity adjustments, and gain confidence in how a FlexiForce sensor will behave in their prototype. The open-source nature of this kit makes for a more efficient progression to field-testing and the final embedded design.

Advantages:

1. Sensitivity adjustment made programable via reference voltage. An onboard jumper easily selects the applied voltage.
2. Resistor/capacitor values are easy to swap out.
3. Be more confident in FlexiForce sensor performance in your proof-of-concept and prototype.
4. See instant feedback of sensor performance under different loading actuators and interfacing materials.

Features:

1. The small and affordable kit saves engineers and designers the effort of building circuitry and other components for their FlexiForce-embedded proof-of-concept or prototype.
2. Interchangeable analog circuit modules allow users to test the functionality of their FlexiForce sensors with ease.
3. The open-source software interface allows users to control loading, record sensor data, adjust sensitivity, and calibrate the sensor.

Package Includes:

1 x FlexiForce Prototyping Kit FLXPK1

The ADP800 sensor family is Aosong’s series of digital differential pressure sensors designed for high-volume applications. The sensors measure the pressure of air and non-aggressive gases with superb accuracy and no offset drift. The sensors cover a pressure range of up to ±500 Pa (±2 inch H2O / ±5 bar) and deliver outstanding accuracy, also at the bottom end of the measuring range. The ADP800 Series features a digital 2-wire I2C interface, which makes it easy to connect directly to a microprocessor. The outstanding performance of these sensors is based on Aosong’s patented sensor technology. The differential pressure is
measured by a thermal sensor element using flow-through technology. The well-proven technology is perfectly suited for high-quality mass production and is the ideal choice for demanding and cost-sensitive OEM applications.

Features: 

1. Excellent repeatability, no drift, no offset
2. Extended feature set – smart averaging
3. Calibrated and temperature compensated
4. igh reliability and long-term stability
5. Best signal-to-noise ratio
6. Industry-proven technology with a track record of more
   than 15 years
7. Designed for mass production
8. High process capability

Specifications: 

1. Measurement range: -500 to 500 Pa (-2 to 2 inH2O)
2. Zero point accuracy: 2,3 0.3 Pa
3. Span accuracy: 2,3 3% of reading
4. Zero point repeatability: 3 0.1 Pa
5. Span repeatability: 3 0.5% of reading
6. Span shift due to temperature variation: < 0.5% of reading per 10°C
7. Offset stability: < 0.05 Pa/year
8. Flow step response time: (τ63) < 10ms
9. Resolution: 24 bit
10. Calibrated for: Air, N2
11. Media compatibility: Air, N2, O2, non-condensing
12. Temperature compensation range: 0 °C to +50 °C

Packages Includes: 

1 x ADP810 Differential Pressure Sensor