Series DMTFE Ultrasonic Energy Meters utilize newest digital transit-time processing technology, with compact shape featuring longevity, good stability and high accuracy for all-electronic industrial environment. cost-effective, service-friendly, of simple design and extremely robust. Its new free-flow jet principle provides an extremely high measuring accuracy. Features Æ With compact, solid shape, power save mode Æ No moving parts, no pressure loss or abrasion. Æ Low start-up flow rate minimum measurable flow velocity 0.003m/ s Æ Self-adapting ultrasonic receiving circuit, can work stably even when pipe is with scaling or corrosion. Æ Quick transient response, can trace the flow rate change within seconds. Æ With Infrared meter reading function. Æ Battery power supply can work constantly for 6 years. Æ With self-diagnosing function and fault indicator. Æ Insensitive against magnetite in the liquid Æ Remote reading via M-Bus, Radio, RS232 or optical interface Æ Storage of volume and energy data Æ Static compact energy meter with fully electronic measurement based on the ultrasonic principle Main advantages: Æ High measurements precision, high accuracy 0.1 deg C Æ Long-term stability over a wide range of measured values Æ High operational reliability and minimum maintenance requirements Æ Compared to mechanical meters, very low hydraulic losses Æ Easy data reading, storage and evaluation/ processing Æ Identification of leaks in water distribution systems Æ Installation at locations here no external power sources are available Æ Measured data transfer to remote control stations Applications Æ static compact energy meter using ultrasonic technology Æ Highly accurate recording of all billing data in local and district heating and cooling systems. Æ Process control and instrumentation. Æ Substituting mechanical heat flow meters with high measuring reliability. Æ Technological measurements of instantaneous flow rate and consumption in water-supply networks.