Electromagnetic small flow meter
- with integrated pressure and/or temperature measurement

The robust and reliable MID-EX-N small flow meters provide cost-effective and reliable flow measurement with high measurement accuracy under different process conditions in underground mining. The new series also features an integrated pressure and/or temperature measurement as an option, and represents the consistent further development of our reliable and high-quality small-flow meter series MID-EX-E.

The transmitter is used to measure the combined flow, pressure and temperature of electrically conductive liquids such as water, emulsions, sludges, pulps and pastes. The devices can be used to monitor the injection system for the cutting drums on shearer loaders or the cutting heads on road headers, to monitor the feed and outlet of water-cooled engines or containers, as well as to monitor the wall and line injection, for example. Due to the electromagnetic measuring principle, the transmitters are wear- and maintenance-free.

The small meters feature a wide spectrum of process connections (internal threads, plug couplers, socket nipples), nominal diameters (DN10, DN19, DN25) and pressure ratings (PN100 to PN500). In addition to the freely selectable flow, pressure and temperature measuring ranges, all electrical connections that are commonly found in underground mining (terminals and cable connections, Machaczeck, Souriau, Hydrostar, Hirschmann) are available. The device has a passive 4-20 mA two-wire interface per measurement channel.

• Robust and reliable at different process conditions
• Excellent accuracy and repeatability
• High abrasion resistance as a result of industry-optimized measuring electrodes and linings
• High level of reliability and measurement stability
• High profitability as it is wear and maintenance free
• Easy installation and commissioning
• Compact design
• Wide choice of user-definable measuring ranges
• Very high pressure levels available
• No fittings in the channel so no additional pressure loss, can be cleaned with pigs
• Any orientation
• The flow meter is fully sealed except for connection area inside
• Functional safety according to EN 61508 (Safety Integrity Level 2 (SIL 2))