Loop power
Loop Power Supply Sizing
Required current plus standard PSU size.
- Required current (A)
- Recommended PSU size (A)
Calculators
Instrumentation Calculators
Forty calculators across signal scaling, loop power, RTD temperature, encoders, calibration, and pressure and flow. Every output labeled, every formula visible.
Loop power
Barrier Drop Budget
Allowed safety-barrier drop with PASS verdict.
- Allowed barrier drop (V)
- Wire + load drop (V)
Calibration
Clamp vs Series mA Check
Difference in mA and %FS with PASS verdict.
- Absolute difference (mA)
- Difference (%FS)
Loop power
HART Loop Load Check
230-1100 ohm window for HART communication.
- Total loop resistance (ohm)
- HART OK (1=yes)
Rtd temperature
NTC Beta Temperature
Beta-model resistance to temp.
- Temperature (C)
- Temperature (F)
Sensor mapping
Square-Root Extraction (dP Flow)
dP to flow for orifice meters.
- Flow
- Flow (% of max)
Sensor mapping
Table Lookup Interpolation
Linear interpolation of cal table.
- Interpolated y
- Segment slope (y/x)
Calibration
Hysteresis Error
Up/down stroke return error.
- Hysteresis (%FS)
- PASS (1=yes)
Calibration
Calibration Tolerance Check
Allowed deviation vs class.
- Allowed deviation
- PASS (1=yes)
Calibration
ADC Resolution (LSB)
LSB from range and bit count.
- LSB (engineering)
- Resolves tolerance (1=yes)
Calibration
Percent Full-Scale Error
Error as percent of span.
- Error (%FS)
- PASS (1=yes)
Calibration
Two-Point Calibration
Gain and offset from two standards.
- Gain
- Offset