TSI DP-Calc 5825 (Differential Pressure)  Sale
TSI DP-Calc 5825 Operation Manual
TSI DP-Calc 5825 Specifications Sheet
TSI DP-Calc 5825 Software

TSI DP-Calc 5825 $870

The DP-Calc Micromanometer 5825 allows you to easily make HVAC pressure measurements. This robust instrument can be used with pitot probes to measure duct velocity. The high-performance DP-Calc 5825 can also calculate flow and has data-logging capabilities.


  • Measure differential and static pressure from -15 to +15 in. H2O (-3735 to +3735 Pa)
  • Calculate and display velocity when using a Pitot tube
  • Variable time constant
  • Statistics
  • Data logging with time and date stamp
  • Stores 12,700+ samples and 100 test IDs
  • Programmable K factors


  • HVAC commissioning and troubleshooting
  • Testing and balancing
  • Pitot tube duct traverses
  • Static pressure measurements
  • Pressure drop across filters, coils, fans, and diffusers
  • Environmental air flow testing


  • Instrument
  • Hard carrying case
  • 4 alkaline batteries
  • Operation and service manual
  • Calibration certificate(2)
  • 1.2-m rubber tubes
  • Static pressure tip
  • LogDat2 Downloading software and USB cable