Description
This is a simple device for measuring the velocity pressure in a 4" duct that can be easily converted to cfm without disconnecting the duct.
Features
- Ideal for measuring differential pressure in installed ducting;
- Low cost - could be left installed for verification testing;
- Great for balancing HRVs and ERVs;
- "H" port senses Total Pressure;
- "L" port senses Static Pressure;
- Adapters for 1/4" OD ducting provided.