Technical Concepts Archives

What is the difference between mass flow and volumetric flow?

by Sarah Loeffler | Nov 19, 2025

In compressed air and gas systems, volumetric flow measures how much gas volume passes a point over time, standardized to fixed temperature and pressure conditions. Mass flow measures the actual mass of the gas moving through the system and is not affected by...

What is Modbus/RTU?

by Sarah Loeffler | Nov 19, 2025

Modbus RTU is a serial communication protocol used to connect industrial devices such as PLCs and sensors. It works with a master slave structure, where the master sends requests and the slaves respond. Data is transmitted in binary form over RS 232 or RS 485 lines,...

What is Modbus/TCP?

by Sarah Loeffler | Nov 19, 2025

Modbus TCP is a version of the Modbus protocol that runs over TCP/IP networks. Instead of serial communication, it uses Ethernet, enabling devices to exchange data across local networks or the Internet. It follows a client server model, where the server stores data...

What is the difference between oil droplets, liquid oils and oil vapor?

by Sarah Loeffler | Nov 20, 2025

Oil droplets refer to small particles of oil suspended in a liquid or gas. Liquid oils refer to oils that are in a liquid state at room temperature. Oil vapor refers to oils that are in a gaseous state, typically as a result of being heated or evaporated. The main...

How does a laser particle counter with light scattering method work?

by Sarah Loeffler | Nov 20, 2025

A laser particle counter with light scattering method works by using a laser beam to illuminate particles in a sample, and then measuring the scattered light to determine the size and number of particles present. The scattered light is collected by a detector, which...

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Flow Meter for Compressed Air and Gases

Dew Point Meters

Compressed Air Quality Instruments

Leak Detection

Data Loggers / Displays / IoT

Application Software

Flow Meters for Liquids and Steam

Additional Sensors & Accessories

OEM Products

Applications

Case Studies

Industries

Calibration & Service

Exchange Calibration

Download Center

Videos

Knowledge Center

E-Library

Tools

Our story

Job offers

News

What is the difference between mass flow and volumetric flow?Technical Concepts - Seite 1

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