IIoT, SCADA & Edge Connectivity worked example

Sensor Battery Replacement Load at 46% cmms, disposal, and lockout allowance: a worked example

What does the result look like when cmms, disposal, and lockout allowance reaches 46%? The full calculation is worked below with real intermediate numbers. Use it when a reliability or maintenance lead is sizing the recurring battery replacement workload on a deployed wireless sensor fleet.

The inputs for this scenario

  • Batteries due for replacement in the year: 320 batteries (unchanged)
  • Technician replacement rate: 8 batteries / hr (unchanged)
  • CMMS, disposal, and lockout allowance: 46 % (raised for this scenario; the documented default is 40)

Working through the calculation

  • Applying the documented formula (Base battery replacement hours = batteries due รท technician rate) to the inputs above produces each figure below.
  • At this operating point the engine returns 58.4 hr for required battery replacement hours, the number this scenario is built around.
  • At this operating point the engine returns 40 hr for base battery replacement hours.
  • At this operating point the engine returns 46 % for cmms, disposal, and lockout allowance.
  • At this operating point the engine returns 8 pieces / min for technician replacement rate.

How this compares with the baseline

  • Against the tool's baseline example, where cmms, disposal, and lockout allowance sits at 40% and the headline result is 56 hr, this scenario comes in 4.29% above the baseline at 58.4 hr.
  • A figure at this level is achievable when cmms, disposal, and lockout allowance is genuinely sustained, not just peaked for a shift. It assumes a steady replacement rate; clustered failures, hard-to-reach mounting, or hazardous-area lockout can push real hours well above the estimate.

Results at a glance

  • Required battery replacement hours: 58.4 hr (headline result)
  • Base battery replacement hours: 40 hr
  • CMMS, disposal, and lockout allowance: 46 %
  • Technician replacement rate: 8 pieces / min

Run it with your numbers

  • Every input above is editable in the live Sensor Battery Replacement Load calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.