DP-Calc™ Micromanometers Models 5815 and 5825 The DP-Calc 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 DP-Calc 5815 is a simple to operate, hand held digital micromanometer for fast, accurate differential and static pressure measurements. The high performance DP-Calc 5825 can calculate flow and has data logging capabilities. Applications Features and Benefits + HVAC commissioning and troubleshooting + easure differential and static pressure from -15 to +15 in. H2O M + Testing and balancing + Pitot tube duct traverses (-3735 to +3735 Pa) + Calculate and display velocity when using a Pitot tube + Static pressure measurements + Pressure drop across filters, coils, fans, and diffusers Added Features Model 5825 + Environmental air flow testing + 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 UNDERSTANDING, ACCELERATED

DP-CALC™ MICROMANOMETERS Static/Differential Pressure Velocity (Pitot Tube) Volumetric Flow Rate (5825) Range Actual range is a function of velocity, pressure, duct size, and K factor Instrument Temperature Range Data Storage Capabilities (5825) Range 12,700+ samples and 100 test IDs User selectable External Meter Dimensions Meter Weight with Batteries Power Requirements Four AA-size batteries (5815) Four AA-size batteries or optional AC adapter (5825) Overpressure range = 190 in. H20 (7 psi, 360 mmHg, 48 kPa). Pressure velocity measurements are not recommended below 1,000 ft/min (5 m/s). 3Accuracy...