Description
Measure a knob pointer's signed angular offset from a supplied zero.
Product geometry depends on reference surfaces, mating dimensions, signed offsets, compression assumptions and material behavior. A clearance comparison or nominal engagement depth describes a limited scalar relation. Physical fit, ergonomics, sealing, strength and electrical compatibility need the complete product and its verified conditions.
Measure a knob pointer's signed angular offset from a supplied zero.
When to use this tool
Use Control Knob Pointer Zero Offset when you already have referenceZeroDegrees, recordedPointerDegrees and need to measure a knob pointer's signed angular offset from a supplied zero.
How to use the tool and how it works
- Enter referenceZeroDegrees, recordedPointerDegrees. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read signedGap. Use the output convention below.
Return recordedPointerDegrees-referenceZeroDegrees without circular wrapping.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| referenceZeroDegrees | Reference Zero Degrees | Required. Finite number. |
| recordedPointerDegrees | Recorded Pointer Degrees | Required. Finite number. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| signedGap | Signed Gap | Required. Finite number. |
{
"input": {
"referenceZeroDegrees": 12,
"recordedPointerDegrees": 17
},
"output": {
"signedGap": 5
}
}Limitations and assumptions
- No knob, device calibration, rotation limit or appropriate setting is verified.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- 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. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Inspect actual component specifications and a complete dimensioned assembly for design decisions. Add material, loading, tolerance and operating-condition analysis when a local gap, radius ratio or supplied compression fraction cannot establish performance.
References
Similar or alternative tools
- Hinge Leaf Flush Offset
Measure a hinge leaf's signed flush offset from a reference surface.
- Enclosure Gasket Compressed Thickness
Calculate gasket thickness after a supplied compression fraction.