A process-water flowmeter is configured for 0–200 m³/h and the loop measures 10.4 mA. This page owns that exact calculation job and opens the matching server-graded case rather than a generic calculator.
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The lower range value is 0 and the upper range value is 200 m³/h. The engineering span is the difference between those values; it is not automatically zero-based.
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Open the registered Magnetic flow transmitter case so the grader—not the browser copy—owns the expected result.
Open the exerciseSubtract the 4 mA live zero from 10.4 mA, then divide by the 16 mA measurement span. Keep enough precision until the engineering conversion is complete.
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Calculate the fraction separately before typing the final engineering value into the lab.
Open the exerciseMultiply percent span by the configured engineering span, then add 0 m³/h. The registered expected result is 80 m³/h within ±0.2 m³/h.
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Submit the value and inspect the range, live-zero and tolerance checks returned by the server.
Open the exerciseA calculation mismatch can come from signal measurement, transmitter configuration, PLC card range, program scaling or unit conversion. Preserve the measured current, range, result and timestamp before changing any layer.
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Create an account to retain the attempt, then use a paid workspace to compare cases, keep full history and assign the exercise.
Open the exerciseCore concepts
The simulator creates a repeatable result; these concepts make that result transferable to real vendor software and supervised practical work.
Four milliamps represents the lower engineering value, leaving near-zero current available as fault evidence.
For this Magnetic flow transmitter, the span is 200 m³/h.
The case records the input, expected value, units and ±0.2 m³/h acceptance statement instead of returning an unexplained number.
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Run the foundation exercise publicly, then use a subscription for advanced challenges, saved configurations, full attempt history, sharing, assigned paths and team reporting.
Related learning surfaces
Competency and practice field guide
Direct answer
The learner can state the linear mapping, calculate expected values, distinguish raw counts from current and engineering units and diagnose underrange, overrange or wiring faults.
Written for instrumentation and PLC learners converting a live-zero analog signal into engineering units and proving the result at multiple test points.
Transmitter range, 4 mA lower-range value, 20 mA upper-range value, raw input limits, engineering units, linear equation, clamp policy, quality and tolerance.
Physical flow through transmitter current and loop wiring into analog conversion, raw count, scaled value, display, control use and independent reference.
4, 8, 12, 16 and 20 mA test points producing 0, 50, 100, 150 and 200 m³/h within the declared tolerance.
Below 4 mA, above 20 mA, open loop, wrong raw range, integer truncation, unit mismatch, noisy signal, bad quality and controller restart.
A process, transmitter, current-loop, wiring, analog conversion, raw-range, formula, unit, quality or display mismatch.
The loop commissioned with a traceable reference, exact device and card data, approved isolation method and recorded as-found plus as-left evidence.
Subtract 4 mA, divide by the 16 mA span and multiply by 200 m³/h. That gives 0 at 4 mA, 100 at 12 mA and 200 at 20 mA before applying the declared quality and clamp policy.
The normalized fraction is (10−4)/16 = 0.375, so the ideal scaled value is 75 m³/h. Compare against the stated accuracy and conversion assumptions.