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Pepperl Fuchs LGC2
Level probe
- MPN
- LGC2
- Category
- Hydrostatic Pressure Sensors
Price and lead time confirmed within 1 business day
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What is the Pepperl Fuchs LGC2?
Device for hydrostatic pressure measurement in liquids
High resistance to overload
High-precision, robust ceramic measuring cell with long-term stability
Simultaneous level and temperature measuring by optional integrated Pt100 resistance thermometer
Measuring ranges: 0 bar ... 0.1 bar to 0 bar ... 20 bar
Electronics comprising 4 mA ... 20 mA output signal and integrated overvoltage protection
KTW and NSF drinking water approval
Device for hydrostatic pressure measurement in liquids, High resistance to overload, High-precision, robust ceramic measuring cell with long-term stability, Simultaneous level and temperature measuring by optional integrated Pt100 resistance thermometer, Measuring ranges: 0 bar ... 0.1 bar to 0 bar ... 20 bar, Electronics comprising 4 mA ... 20 mA output signal and integrated overvoltage protection, KTW and NSF drinking water approval
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 298582 |
| 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. |
| 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. |
| Construction type | device with rod probe |
| Series | LGC2 |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Supply
| 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 Ur |
| 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 |
| Power consumption | level probe and Pt100 (optional): - ≤ 0.805 W at 35 V DC (non-hazardous area) - ≤ 0.690 W at 30 V DC (hazardous area) temperature head transmitter (optional): ≤ 0.875 W at 35 V DC |
| 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. |
| 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): Uss ≥ 5 V at U ≥ 13 V, fmax. = 1 kHz |
Electrical specifications
| 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 |
Input
| Input signal | level probe: change in capacitance Pt100 (optional): change in resistance temperature head transmitter (optional): Pt100 resistance signal, 4-wire |
| Measured variable | level probe: hydrostatic pressure of a liquid Pt100 (optional): temperature temperature head transmitter (optional): temperature |
| Measuring 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) |
Output
| Load | level probe and Pt100 (optional): RLmax ≤ (U - 10.5 V)/0.023 A - 2 x 0.09 Ω/m x l - Radd temperature head transmitter (optional): RLmax ≤ (U - 8 V)/0.025 A - Radd - RLmax = max. load resistance [Ω] - Radd = additional resistances such as resistance of evaluating device and/or display instrument, line resistance [Ω] - U = supply voltage [V] |
| 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 |
| Signal range | 3.8 ... 20.5 mA |
Directive conformity
| Electromagnetic compatibility: Directive 2014/30/EU | EN 61326-1:2013 , EN 61326-2-3:2013 |
| Low voltage: Directive 2014/35/EU | EN 61010-1:2010 |
Conformity
| Degree of protection | IEC 60529:2001 |
Measurement accuracy
| Resolution | current output: 1 µA |
| Reference operating conditions | level probe and Pt100 (optional): acc. to IEC 60770, Tamb = constant in the range: +21 ... +33 °C (+70 ... +91 °F) temperature head transmitter (optional): calibration temperature 23 °C (+73 °F) ± 5 K |
| 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 |
| 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 |
| 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 (TK) of the zero output and the output span: -10 ... +70 °C (+14 ... +158 °F): 0.1 %/10 K of URL |
| Warm-up time | level probe: < 6 s Pt100 (optional): 20 m temperature head transmitter (optional): 4 s |
| Response time | level probe: 400 ms (T90 time), 500 ms (T99 time) Pt100 (optional): 160 s (T90 time), 300 s (T99 time) |
Operating conditions
| Installation conditions: Installation position | vertical from above |
| Process conditions: 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. |
| Process conditions: 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) |
Ambient conditions
| 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) |
Mechanical specifications
| 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 mm2 |
| Material | level probe: 1.4435/316L process ceramic: Al2O3 (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 |
| Cable | level probe and Pt100 (optional): - commercially available instrument cable - terminals of the terminal box: 0.08 ... 2.5 mm2 temperature head transmitter (optional): - commercially available instrument cable - terminals of the terminal box: 0.08 ... 2.5 mm2 - transmitter connection: max. 1.75 mm2 probe connection (extension cable): - total outer diameter: 8.0 mm ± 0.25 mm - level probe: 3 x 0.2 mm2 and pressure compensation tube with PTFE filter - Pt100 (optional): 7 x 0.2 mm2 and pressure compensation tube with PTFE filter - pressure compensation tube with PTFE filter: external diameter Ø2.5 mm, internal diameter Ø1.5 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 |
| 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 |
| 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 |
Data for application in connection with hazardous areas
| EU-type examination certificate | DEKRA 17 ATEX 0101 |
| Marking | II 2G Ex ia IIC T6...T4 Gb |
| Certificate | PF 17 CERT 1658 |
| Marking | II 3G Ex nA IIC T6...T5 Gc |
| Directive conformity: Directive 2014/34/EU | EN 60079-0:2012+A11:2013 , EN 60079-11:2012 EN 60079-15:2010 |
International approvals
| FM approval: FM certificate | FM 17 US 0106 |
| FM approval: Approved for | Class I, Division 1, Groups A - D Class I, Zone 1, AEx ia IIC T6...T4 |
| CSA approval: CSA certificate | 70133438 |
| CSA approval: Approved for | Class I, Division 1, Groups A - D Ex ia IIC Class I, Zone 1, AEx ia IIC |
| IECEx approval: IECEx certificate | IECEx DEK 17.0045 |
| IECEx approval: IECEx marking | Ex ia IIC T6...T4 Gb |
| IECEx approval: Standards | IEC 60079-0:2011 , IEC 60079-11:2011 |
Certificates and approvals
| Drinking water approval | KTW certificate and NSF approval |
General information
| Supplementary documentation | technical information (TI) manuals, brief instructions (BA, KA) instruction manuals (SI) control drawings (ZD) |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
Accessories
| Designation | - 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 |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
LGC2: frequently asked questions
When can LGC2 be shipped?
LGC2 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up LGC2 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for LGC2 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for LGC2, subject to availability and destination.
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Pepperl Fuchs LGC2Price and lead time confirmed within 1 business day
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