Enter the pressure, sensitivity, and offset into the calculator to determine the voltage, or leave one field empty to calculate its value.
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Pressure to Voltage Formula
The following formula is used to calculate the voltage from pressure, sensitivity, and offset.
V = (P * S) + O
Variables:
- V is the voltage
- P is the pressure
- S is the sensitivity
- O is the offset
To calculate the voltage, multiply the pressure by the sensitivity and then add the offset.
| Pressure (psi) | Voltage (V) |
|---|---|
| 0 | 0.50 |
| 1 | 0.54 |
| 2 | 0.58 |
| 5 | 0.70 |
| 10 | 0.90 |
| 12 | 0.98 |
| 15 | 1.10 |
| 20 | 1.30 |
| 25 | 1.50 |
| 30 | 1.70 |
| 35 | 1.90 |
| 40 | 2.10 |
| 45 | 2.30 |
| 50 | 2.50 |
| 60 | 2.90 |
| 70 | 3.30 |
| 80 | 3.70 |
| 90 | 4.10 |
| 95 | 4.30 |
| 100 | 4.50 |
| *Assumes linear relation V = (P × S) + O with S = 0.040 V/psi and O = 0.50 V. Typical example: 0–100 psi sensor with ~0.5–4.5 V output. | |
What is Pressure to Voltage Conversion?
Pressure to voltage conversion is a process used in various sensors and transducers where pressure measurements are converted into corresponding voltage signals. This conversion is crucial in many applications, such as industrial automation, automotive systems, and medical devices, where accurate pressure readings need to be translated into electrical signals for monitoring, control, and data acquisition purposes.
How to Calculate Pressure to Voltage?
The following steps outline how to calculate the voltage from pressure, sensitivity, and offset.
- First, determine the pressure (P).
- Next, determine the sensitivity (S).
- Next, determine the offset (O).
- Finally, calculate the voltage using the formula V = (P * S) + O.
- After inserting the values and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Pressure (P) = 50 Pa
Sensitivity (S) = 0.02 V/Pa
Offset (O) = 1 V