The best solid state pressure sensor depends on the pressure range, output signal, power supply, and thread size your system requires. The FUSCH 100 PSI model is best for low-pressure applications needing a specified voltage output, while the AUTEX 150 PSI sensor covers a higher range with a similar signal. For industrial systems, the 3000 PSI transmitter offers a 4–20 mA output. One listed magnetic solid-state switch is not a pressure sensor, so it is included only as a product-identification caution.
| Product | Best suited for | Key specifications |
|---|---|---|
| FUSCH 100 PSI | Low-pressure voltage measurement | 0–100 PSI, 0.5–4.5 V, 5 VDC |
| Flylin 100 PSI | General tank-pressure sensing | 100 PSI; ±2% FS stated |
| AUTEX 150 PSI | Applications needing more range | 0–150 PSI, 0.5–4.5 V, 5 VDC |
| Industrial 3000 PSI transmitter | Industrial controls and PLCs | 0–3000 PSI, 4–20 mA, 24 VDC |
| Magnetic solid-state switch | Proximity or switch sensing, not pressure | Listed as a magnetic sensor |
FUSCH 100 PSI Pressure Transducer
The FUSCH is best for low-pressure systems that need a clearly specified analog voltage signal. Its stated range is 0–100 PSI, with a 0.5–4.5 V linear output powered by 5 VDC. The product information gives corresponding outputs at 0, 50, and 100 PSI, making it easier to compare with systems expecting that signal pattern.
The sensor uses a 1/8-inch, 27-thread NPT connection, 316 stainless steel, and a ceramic pressure plate. Its listed full-scale output error is ±1.0%. Choose this model when those electrical and thread specifications match your setup. Confirm wiring and pressure-medium requirements before installation; the listed details do not specify a connector pinout.
Flylin 100 PSI Pressure Sensor
The Flylin is best for buyers seeking a 100 PSI sensor for tank-pressure monitoring across listed media such as oil, fuel, diesel, gas, water, or air. The product description highlights high sensitivity and a stated output error of ±2% full scale, as well as surge-voltage protection.
Its 1/8-inch NPT connection is relevant to buyers comparing compact threaded sensors, but the supplied product details do not state the output signal, operating voltage, or detailed wiring. Avoid choosing it based on range alone if your controller requires a particular signal format. Verify those electrical requirements with the seller or documentation before purchase.
AUTEX 150 PSI Pressure Transducer
The AUTEX is best when a 100 PSI sensor may not provide enough range. It measures up to 150 PSI and specifies a 0.5–4.5 V linear output powered by 5 VDC. The listed signal points are 0.5 V at zero pressure, 2.5 V at 75 PSI, and 4.5 V at 150 PSI.
The sensor has a 1/8-inch, 27-thread NPT connection and is described as using 316 stainless steel and high-temperature automotive-grade plastic. Its listed media include oil, fuel, air, and water. Choose it over a 100 PSI option when the higher range is necessary and the voltage signal fits your electronics. The supplied information does not give an accuracy figure.
Industrial 3000 PSI Pressure Transmitter
This transmitter is best for higher-pressure industrial measurement and control systems. Its listed range is 0–3000 PSI, with a 4–20 mA output, 24 VDC supply, and stated accuracy of 0.5% full scale. The product information identifies PLCs, controllers, and data-acquisition modules as intended integration targets.
It uses a 1/4-inch NPT thread and a 2-meter cable. The construction is described as welded 316L/17-4PH stainless steel, with IP65 water resistance and resistance to corrosion, shock, and vibration. Choose this model when your system supports its current-loop output and supply voltage. It is not a direct substitute for a 5 V, 0.5–4.5 V automotive-style sensor.
Magnetic Solid-State Switch Sensor
This listed product is not a pressure transducer. Its title and features describe a magnetic solid-state or proximity switch, with model-family references such as CSM, ESM, and DSM. It is best suited to buyers who actually need a magnetic switching or proximity component, not measurement of gas or liquid pressure.
It is included to prevent a common catalog mismatch: “solid state” describes a sensor technology category, but does not mean every solid-state sensor measures pressure. The provided listing does not specify a pressure range, pressure output, or pressure connection. Do not select it for pressure monitoring.
Buying Guide: How To Choose A Pressure Sensor
What pressure range do you need?
Choose a range that covers the highest expected pressure without sacrificing useful measurement detail. The 100 PSI models suit lower ranges; the AUTEX extends to 150 PSI; the industrial transmitter reaches 3000 PSI. Account for the conditions your system may encounter, and do not assume a sensor is suitable beyond its stated range.
Which output and power supply match your controller?
Check the sensor’s output before comparing materials or thread sizes. FUSCH and AUTEX specify 0.5–4.5 V output and 5 VDC power. The industrial model specifies 4–20 mA and 24 VDC. Flylin’s supplied details do not identify its signal or supply, so confirm these before purchasing.
Do the connection and measured medium fit?
Compare the NPT thread size with the port or adapter in your system: the listed low-pressure models use 1/8-inch NPT, while the industrial transmitter uses 1/4-inch NPT. Also confirm the sensor is appropriate for the medium, pressure, temperature, and installation environment. Product descriptions naming a medium do not replace system-level compatibility checks.
How should accuracy affect the choice?
Compare stated accuracy figures only when they use the same basis. FUSCH lists ±1.0% full scale, Flylin lists ±2% full scale, and the industrial transmitter lists 0.5% full-scale accuracy. AUTEX’s supplied details do not provide an accuracy specification. Confirm definitions and operating conditions in the product documentation when precision is critical.
Frequently Asked Questions
What does a solid-state pressure sensor do?
It detects pressure and converts the measurement into an electrical signal that a controller, display, or data-acquisition system can read.
Is a 0.5–4.5 V sensor interchangeable with a 4–20 mA transmitter?
No. They use different output formats and may require different input hardware and power supplies. Match the sensor output to the receiving system.
Does the magnetic solid-state switch measure pressure?
No. The listed magnetic switch is described as a proximity or switching sensor, not a pressure transducer.
What does NPT mean when selecting a sensor?
NPT identifies a tapered pipe-thread connection. Check both the thread size and the system port before installation.
Which listed sensor has the highest pressure range?
The industrial pressure transmitter has the highest stated range at 0–3000 PSI.