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| Параметр | Значение |
| Общие характеристики | |
| Артикул | 83668 |
| Материал | level probe: 1.4435/316L process ceramic: Al O (aluminium oxide ceramic) seal (internal): EPDM or Viton protection cap: POM or PFA terminal box: PC (polycarbonate) temperature head transmitter: housing PC (polycarbonate) probe connection insulation (extension cable): PE-LD (low-density polyethylene) or FEP (fluorinated ethylene propylene) pressure compensation tube: PA |
| Response time | level probe: 400 ms (T90 time), 500 ms (T99 time) Pt100 (optional): 160 s (T90 time), 300 s (T99 time) |
| Ambient temperature | level probe and Pt100 (optional): - Ø22 mm and Ø42 mm: -10 ... +70 °C (+14 ... +158 °F) (= medium temperature) - Ø29 mm: 0 ... +50 °C (+32 ... +122 °F) (= medium temperature) temperature head transmitter (optional): -40 ... +85 °C (-40 ... +185 °F) |
| Storage temperature | level probe and Pt100 (optional): -40 ... +80 °C (-40 ... +176 °F) temperature head transmitter (optional): -40 ... +85 °C (-40 ... +185 °F) |
| Degree of protection | level probe and Pt100 (optional): IP68, permanently hermetically sealed, optional terminal box IP66/IP67 temperature head transmitter (optional): IP00, moisture condensation permissible, when mounted in the optional terminal box IP66/IP67 |
| Connection | 3 terminals in terminal box (accessory) as standard 4 terminals in terminal block (accessory), conductor cross section 0.08 ... 2.5 mm |
| Mass | level probe Ø22 mm: 344 g level probe Ø42 mm: 1376 g level probe Ø29 mm: 394 g probe connection (extension cable) PE: 52 g/m probe connection (extension cable) FEP: 108 g/m suspension clamp: 170 g cable mounting screw G1-1/2: 770 g cable mounting screw N1-1/2: 724 g terminal box: 235 g temperature head transmitter: 40 g additional weight: 300 g testing adapter: 39 g |
| Rated voltage | level probe and Pt100 (optional): - 10.5 ... 35 V DC (non-hazardous area) - 10.5 ... 30 V DC (hazardous area) temperature head transmitter (optional): 8 ... 35 V DC |
| Construction type | device with rod probe |
| Measurement range | level probe: - predefined pressure measuring ranges in bar, see type code - customer-specific measuring ranges, factory-calibrated Pt100 (optional): temperature measurement from -10 ... 70 °C (+14 ... +158 °F) |
| Resolution | current output: 1 µA |
| Warm up time | level probe: < 6 s Pt100 (optional): 20 m temperature head transmitter (optional): 4 s |
| Cable | level probe and Pt100 (optional): - commercially available instrument cable - terminals of the terminal box: 0.08 ... 2.5 mm temperature head transmitter (optional): - commercially available instrument cable - terminals of the terminal box: 0.08 ... 2.5 mm - transmitter connection: max. 1.75 mm probe connection (extension cable): - total outer diameter: 8.0 mm ± 0.25 mm - level probe: 3 x 0.2 mm and pressure compensation tube with PTFE filter - Pt100 (optional): 7 x 0.2 mm and pressure compensation tube with PTFE filter - pressure compensation tube with PTFE filter: external diameter Ø2.5 mm, internal diameter Ø1.5 mm |
| Marking | II 3G Ex nA IIC T6...T5 Gc |
| Output signal | level probe: 4 ... 20 mA, 2-wire for hydrostatic pressure measured value Pt100 (optional): temperature-dependent resistance value temperature head transmitter (optional): 4 ... 20 mA Analog for temperature measured value, 2-wire |
| Residual ripple | level probe and Pt100 (optional): No impact on the 4 to 20 mA signal up to ±5 % residual ripple within the permitted voltage range. temperature head transmitter (optional): U ≥ 5 V at U ≥ 13 V, f = 1 kHz |
| Reference operating conditions | level probe and Pt100 (optional): acc. to IEC 60770, T = constant in the range: +21 ... +33 °C (+70 ... +91 °F) temperature head transmitter (optional): calibration temperature 23 °C (+73 °F) ± 5 K |
| Dimensions | level probe Ø22 mm: Ø22 x 259 mm level probe Ø42 mm: Ø42 x 247 mm level probe Ø29 mm: Ø29 x 268 mm probe connection (extension cable): Ø8 mm suspension clamp: Ø48 x 175 mm cable mounting screw G1-1/2: Ø55 x 71 mm cable mounting screw N1-1/2: Ø38 x 71 mm terminal box: 55 x 80x 120 mm temperature head transmitter: Ø44 x 21 mm additional weight: Ø22 x 110 mm testing adapter: 25 x 25 x 33 mm |
| Reverse polarity protection | Reverse voltage protection is integrated in the level probe and in the temperature head transmitter changing the polarities has no impact on operation. |
| Standards | IEC 60079-0:2011 , IEC 60079-11:2011 |
| Measuring method | Level control with ceramic measuring cell (dry measuring cell). The pressure acts directly on the rugged ceramic membrane of the device and causes it to move by about max. 0.005 mm. The effects of air pressure on the liquid surface are transferred via a pressure compensating tube through the extension cable to the rear of the ceramic membrane and compensated. Pressure-dependent changes in capacitance caused by membrane movement are measured at the electrodes of the ceramic carrier. The electronics convert the movement into a pressure-proportional signal which is linear to the medium level. |
| EU-type examination certificate | DEKRA 17 ATEX 0101 |
| Approved for | Class I, Division 1, Groups A - D Ex ia IIC Class I, Zone 1, AEx ia IIC |
| Directive 2014/30/EU | EN 61326-1:2013 , EN 61326-2-3:2013 |
| Certificate | PF 17 CERT 1658 |
| Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 EN 60079-15:2010 |
| Equipment architecture | As standard, the complete measuring system consists of a level probe and a transmitter power supply unit with a supply voltage of 10.5 to 30 V DC. |
| Accuracy | level probe and Pt100 (optional): The reference accuracy comprises the non-linearity after limit point configuration, hysteresis and non-reproducibility in accordance IEC 60770. - standard version ±0.2 % - platinum version ±0.1 % temperature head transmitter (optional): ± 0.2 K, with Pt100: max. ± 0.9 K |
| Optional accessories | Pt100 resistance thermometer suspension clamp cable mounting screw G1-1/2 cable mounting screw N1-1/2 terminal box (IP66/IP67) additional weight testing adapter shortening kit for probe connection HUT temperature head transmitter, 2-wire, 4 ... 20 mA |
| Directive 2014/35/EU | EN 61010-1:2010 |
| FM certificate | FM 17 US 0106 |
| IECEx certificate | IECEx DEK 17.0045 |
| IECEx marking | Ex ia IIC T6...T4 Gb |
| Current consumption | level probe and Pt100 (optional): max. ≤ 23 mA, min. ≥ 3.6 mA temperature head transmitter (optional): max. ≤ 25 mA, min. ≥ 3.5 mA |
| Surge protection | level probe and Pt100 (optional): - integrated overvoltage protection acc. to EN 61000-4-5 (500 V symmetrical/1000 V asymmetrical) - overvoltage protection ≥ 1.0 kV, external if necessary temperature head transmitter (optional): provide overvoltage protection, externally if necessary |
| Installation position | vertical from above |
| CSA certificate | 70133438 |
| Measured variable | level probe: hydrostatic pressure of a liquid Pt100 (optional): temperature temperature head transmitter (optional): temperature |
| Influence of medium temperature | thermal change in the zero output and the output span: - 0 ... +30 °C (+32 ... +86 °F): < (0.15 + 0.15 x TD) % of set span - -10 ... +70 °C (+14 ... +158 °F): < (0.4 + 0.4 x TD) % of set span temperature coefficient (T ) of the zero output and the output span: -10 ... +70 °C (+14 ... +158 °F): 0.1 %/10 K of URL |
| Medium temperature | level probe and Pt100 (optional): - Ø22 mm and Ø42 mm: -10 ... +70 °C (+14 ... +158 °F) - Ø29 mm: 0 ... +50 °C (+32 ... +122 °F) temperature head transmitter (optional): -40 ... +85 °C (-40 ... +185 °F) (= ambient temperature), install temperature head transmitter outside the medium. |
| Input signal | level probe: change in capacitance Pt100 (optional): change in resistance temperature head transmitter (optional): Pt100 resistance signal, 4-wire |
| Signal range | 3.8 ... 20.5 mA |
| Long-term drift | level probe and Pt100 (optional): - ≤ 0.1 % of URL/year - ≤ 0.25 % of URL/5 years temperature head transmitter (optional): ≤ 0.1 K per year |
| Medium temperature limits | level probe and Pt100 (optional): - Ø22 mm and Ø42 mm: -20 ... +70 °C (-4 ... +158 °F) - Ø29 mm: 0 ... +50 °C (+32 ... +122 °F) |
| Mechanical load | probe connection (extension cable): - minimum bending radius: 120 mm - tensile strength: max. 950 N - cable extraction force: ≥ 400 N - PE: for use in drinking water - UV-resistant - cable resistance per wire: ≤ 0.09 Ω/m |
| Drinking water approval | KTW certificate and NSF approval |
Сравнение
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