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With our HVAC and ventilation instruments


The DPCalc 5815 and 5825 micromanometers allow you to easily make HVAC pressure measurements. These robust instruments can be used with Pitot probes to measure duct velocity. The DPCalc 5815 is a simple to operate, hand held digital micromanometer for fast, accurate differential and static pressure measurements. The high performance DPCalc 5825 can calculate flow and has data logging capabilities

Features and Benefits

•     Measure differential and static pressure from 15 to 15 in. H2O
•    (3735 to 3735 Pa)
•     Calculate and display velocity when using a Pitot tube

Added Features Model 5825

•     Calculates flow
•     Variable time constant
•     Statistics
•     Data logging with time and date stamp
•     Stores 12,700 samples and 100 test IDs
•     Includes LogDat2 downloading software
•     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

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