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| Параметр | Значение |
| Общие характеристики | |
| Артикул | 29270 |
| Материал | F16 housing: PTB-FR, cover with transparent glass made of PA12, EPDM cover seal F18 housing: aluminum EN-AC-AlSi10Mg, plastic coated cover seal: EPDM process connections, sensor: stainless steel 1.4435/316L |
| Ripple | electronic insert FEM22 (E5): max. 5 V, 0 ... 400 Hz |
| Ambient temperature | -40 ... 70 °C (-40 ... 158 °F) |
| Storage temperature | -40 ... 85 °C (-40 ... 185 °F) |
| Degree of protection | IP66/IP67, NEMA 4X |
| Connection | gland M20 thread G1/2, NPT1/2 |
| Mass | device with F16 housing, electronic insert FEM24 (WA) and R1 thread: approx. 1.0 kg |
| Rated voltage | electronic insert FEM22 (E5): 10 ... 45 V DC electronic insert FEM24 (WA): 19 ... 253 V AC, 50/60 Hz or 19 ... 55 V DC |
| Electromagnetic compatibility | NE 21 |
| Construction type | compact device |
| Operating mode | MAX = maximum safety: The device switches if the probe is covered or if the supply voltage is disconnected in a safety-oriented manner (signal on alarm). example application: overspill protection MIN = minimum safety: The device switches if the probe is uncovered or if the supply voltage is disconnected in a safetyoriented manner (signal on alarm). example application: dry-running protection |
| Measurement range | The measuring range depends on the mounting location of the device |
| Output signal | digital |
| Vibration resistance | EN 60068-2-27 |
| Dimensions | max. ∅85 mm (3.3 inch), length 372 mm (14.6 inch) |
| Process connection | thread R1, R1-1/2 acc. to DIN 2999 thread 1-1/4 - 11-1/2 NPT, 1-1/2 - 11-1/2 NPT acc. to ANSI B 1.20.1 |
| Reverse polarity protection | separation voltage 2.2 kV |
| Measuring method | A piezoelectric drive excites the vibrating rod of the device to its resonance frequency. If medium covers the vibrating rod, the rod's vibrating amplitude changes (the vibration is damped). The electronics of the device compare the actual amplitude with a target value and indicates whether the vibrating rod is vibrating freely or whether it is covered by medium. |
| IECEx approval | IECEx DEK 11.0068 |
| EC-Type Examination Certificate | KEMA 06 ATEX 0055 |
| Approved for | Ex ta/tc IIIC T170°C Da/Dc |
| Group, category, type of protection | II 1/3D Ex ta/tc IIIC T170°C Da/Dc |
| Directive 2014/30/EU | EN 61326-1:2006 , EN 61326-2-3:2006 |
| Directive 2014/34/EU | EN 60079-0:2012 , EN 60079-31:2009 |
| Equipment architecture | The measuring system consists of: - the device with electronic insert - a supply point - the connected control systems, switching units, signalling systems (e. g. lamps, horns, PCS, PLC, etc.) |
| Directive 2014/35/EU | electronic insert FEM24 (WA) : EN 61010-1:2010 |
| Current consumption | electronic insert FEM22 (E5): max. 18 mA |
| Surge protection | electronic insert FEM22 (E5) : overvoltage category III |
| Installation position | see section mounting position |
| Input/Other circuits | electronic insert FEM24 (WA) |
| Measuring frequency | 700 ... 800 Hz |
| Measured variable | level (according to the mounting location and the overall length) |
| Climate class | EN 60068, part 2-38, fig. 2a |
| Switching time | when covering the sensor approx. 0.5 s, when uncovering the sensor approx. 1.0 s |
| State of aggregation | solids |
| Solid contents | ≤ ∅25 mm |
| Process temperature | -40 ... 150 °C (-40 ... 302 °F) |
| Input signal | probe covered - small amplitude probe not covered - large amplitude |
| Medium pressure limits | -1 ... 25 bar max. working pressure 25 bar, burst pressure 100 bar |
| Bulk density | ≥ 200 g/l, not fluidised |
| Thermal shock resistance | max. 120 K |
Сравнение
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