Description
Apply an explicit bench pressure unit and zero-reference transform.
A research diary or bench measurement uses a defined observation window, clock, unit, and reference level. Missing timing, incomplete collection, and unverified measurements affect how a result can be interpreted. Record arithmetic and signal terms describe supplied data without establishing clinical status.
Apply an explicit bench pressure unit and zero-reference transform.
When to use this tool
Use Pressure Reference Unit Factor when you need a research-record or bench calculation with already supplied measurements, units, and observation boundaries.
How to use the tool and how it works
- Enter recorded, unitFactor, zeroOffset. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read converted. Use the output convention below.
Subtract zeroOffset from recorded and multiply by positive unitFactor for converted.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| recorded | Recorded | Required. Finite number. |
| unitFactor | Positive target pressure units per source pressure unit, applied after zero correction. | Required. Finite number; strictly above 0. |
| zeroOffset | Zero Offset | Required. Finite number. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| converted | Converted | Required. Finite number. |
{
"input": {
"recorded": 12,
"unitFactor": 0.5,
"zeroOffset": 2
},
"output": {
"converted": 5
}
}Limitations and assumptions
- UnitFactor must convert the zero-corrected source pressure into the intended target pressure unit. The offset is applied before scaling; no unit lookup, device calibration, or clinical reference is inferred.
- The field tables state structural bounds; the mechanics also specify cross-field constraints. Malformed inputs and unsupported domains cause errors. A successful false flag, empty branch value, or zero placeholder has the meaning stated above and is distinct from an input error.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Signed zero is exported as zero.
Alternative or Complementary methods
Use an appropriately validated measurement and analysis method for clinical interpretation. Verify diary completeness, clock conventions, and measurement units before combining these terms into a research summary.
References
Similar or alternative tools
- Pressure Channel Reference Height Gap
Use an explicit signed bench height convention and supplied pressure-per-height factor.
- Urodynamic Pressure Zero Channel Drift Pair
Explicit two-channel bench zero-drift subtraction and differential, without clinical pressure-channel assignment.