What is the scaling to use for the sensor? is it 0 psi= .5v and 100psi= 4.5v or 0 psi= 0v and 100psi=5v. Want to confirm from the manufacture

It’s been a while since I used the sensor. But I usually provide an offset to take small positive voltages to zero for zero pressure and provide enough gain to take the 4.5V to 5V for the high end. No sensor that operates from a 0V-5V power supply can give you zero volts out unless you “pull” that voltage down with a negative supply through a resister. So to the best of my memory it is 0.5V to 4.5V output.

Is this being sold by a reputable Chinese manufacturer? I have seen some Chinese resellers market manufacturing rejects.

Wouldn’t touch it it’s my 3rd

What is the wiring for this which wire is signal ground power?

5v red Negative is black Signal is the other, blue or green. Can’t remember

will this work with 3.3v logic? I am looking for something to use with ESP8266

I'm in the process of using this sensor as you described. What's needed is a way to take the 0.0-5.0v (0.5-4.5v) and drop it down to the 0.0-3.3v linear output. I've decided to use a voltage divider with resistors of <1% tolerance and a voltage buffer to get the signal to the 0-3.3v input for the ESP32. The voltage offset can be dealt with either in hardware or software/firmware.

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100 PSI Pressure Transducer Sender Sensor with Connector - 1/8 inch 27 NPT Thread Stainless Steel Pressure Sensor for Oil, Fuel, Air, Water

Product ID: 224275686

🔧100 PSI

⚙️1/8" NPT

🌡️0.5-4.5V Output

Description

🔍 Elevate Your Monitoring Game!

DURABLE DESIGN - Crafted from premium 316 stainless steel for maximum resilience.
EASY INSTALLATION - Plug and play setup for hassle-free use in various applications.
RELIABLE WARRANTY - Enjoy peace of mind with a 12-month warranty and dedicated support.
PRECISION PERFORMANCE - Experience accurate pressure readings up to 100 PSI.
VERSATILE COMPATIBILITY - Seamlessly integrates with fuel, oil, air, and water systems.

The 100 PSI Pressure Transducer Sender Sensor is a high-performance device designed to convert pressure readings from various fluids into a standard electrical signal. Made from durable 316 stainless steel and high-temperature resistant plastic, it is perfect for a wide range of applications including oil tanks and gas tanks. With a linear voltage output of 0.5 to 4.5 volts and a pressure range of 0-100 PSI, this sensor ensures precision and reliability in any working environment.

Specifications

Asin	B08FR7G4QB
Best Sellers Rank	#545,735 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #431 in Pressure Probes & Sensors
Brand	MNJWS
Customer Reviews	4.1 4.1 out of 5 stars (171) 4.1 out of 5 stars
Date First Available	August 12, 2020
Item Model Number	UPS-001
Item Weight	2.08 ounces
Manufacturer	MNJWS
Manufacturer Part Number	UPS-001
Package Dimensions	5.63 x 3.66 x 0.83 inches

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