What's New at EPI !
- Field validation of factory calibration (Epi-Val) Free with purchase of EPI thermal mass flow meters !
 
- Revised gas pricing favorable to customer for higher flow rate meters !
 
Eldridge Products, Inc. (EPI™) manufactures the Master-Touch™ and ValuMass™ thermal mass flow meters & sensors for the measurement of virtually any gas or gas mixture. The measurement of gas flows can be an integral part of plant and process operation, a requirement for environmental reporting, a part of energy and cost savings efforts, or all three. It can also be a challenge to do it properly! However, since 1988 EPI™ has designed, assembled and calibrated flow meters that are accurate, economical and reliable for applications and installations throughout the US and around the world — and EPI™ has maintained its position as an industry leader for almost 30 years with a reputation for innovation and quality in all of our product lines.
Our Master-Touch™ and ValuMass™ thermal mass flow sensors & meters offer solutions for a wide variety of flow measurement needs:
- HVAC
 - compressed air audits
 - natural gas submetering
 - boiler efficiency
 - manufacturing process control
 - water and wastewater treatment
 - landfill gases
 - and many more . . .
 
If you have questions about your gas flow, we have the thermal mass flow meters & sensors to give you the answers.
Thermal Mass Flow Sensor Gallery
| Master-Touch™ MP Series Thermal Flow Meters ![]()  | 
			Flow Averaging Tubes™ Thermal Flow Meters ![]()  | 
			Multipoint Systems Thermal Flow Meters ![]()  | 
			Valumass™ Thermal Flow Meters ![]()  | 
		
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