Specification sheet Two-wire 4 … 20 mA/HART Radar sensor for continuous level measurement Technical data Measuring range up to Deviation Beam angle Measuring frequency Output signal Process fitting Process pressure Process temperature Ambient temperature Bluetooth standard Effective range Bluetooth typ. Operating voltage Protection rating 15 m (49.21 ft) ≤ 2 mm 8° W-band (80 GHz technology) 4 … 20 mA/HART Thread G1½, 1½ NPT, R1½ -1 … +3 bar (-100 … +300 kPa/14.5 … +43.51 psig) -40 … +80 °C (-40 … +176 °F) -40 … +70 °C (-40 … +158 °F) Bluetooth 5.0 (downward compatible to Bluetooth 4.0 LE) 25 m (82 ft) 12 … 35 V DC IP66/IP67 acc. to IEC 60529, Type 4X acc. to UL 50 Application area The VEGAPULS 21 is the ideal radar sensor for non-contact level measurement in standard applications in all industrial plants. The wetted parts of the instrument are made of PVDF. The process seal is made of FKM. The sensor is suitable both for measuring liquids and for use on small bulk solids silos or bulk solids containers. Housing versions It is particularly suitable for level measurement in water treatment, storage tanks with acids and lyes, additives in all industrial areas, or for measuring levels through a plastic tank or IBC container. Your benefit A complete overview of the available materials and seals can be found on our homepage under " Products" and " Configure & Order". The housing is made of PBT plastic and is available in protection rating IP66/IP67. • Maintenance-free operation due to non-contact 80 GHz radar technology Electronics versions • High accuracy and universal measuring range. Maintenance-free operation due to non-contact measuring principle • Exact measurement results independent of medium properties and process conditions Function The sensor emits a continuous radar signal through the antenna. The emitted signal is reflected by the medium and received as an echo by the antenna. The frequency difference between the emitted and received signal is proportional to the distance and depends on the filling height. The determined filling height is converted into a respective output signal and output as measured value. VEGA Grieshaber KG, Am Hohenstein 113, 77761 Schiltach/Germany, www.vega.com The instrument is available in the 4 … 20 mA/HART electronics version. Worldwide approvals are available for VEGA instruments, e.g. for use in hazardous areas, on ships or in hygienic applications. The technical data in the respective safety instructions are valid for approved instruments (e.g. with Ex approval). In some cases, these data can differ from the data listed herein. You can find detailed information on the existing appr

Adjustment via the signal cable The adjustment of the instrument is carried out via the interface adapter VEGACONNECT and a PC with the adjustment software PACTware and corresponding DTM. Wireless adjustment via Bluetooth The Bluetooth version of the device enables wireless connection to smartphones/tablets (iOS/Android) or Windows PCs. Wireless connection to standard operating devices Operation is via a free app from the " Apple App Store", the " Google Play Store" or the " Baidu Store". Alternatively, adjustment can also be carried out via PACTware/DTM and a Windows PC. Mounting accessories...