KEYENCE
FR-LEX20
Product type: FR-LEX20
Long-range sensor main unit 2-wire explosion-proof model
- Process Controls / Process Sensors
- Level Sensors
- Radar Level Sensor
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- Long-range sensor main unit 2-wire explosion-proof model
| Thomas Hoffmann |
| +49 305 201 4443 |
| sales@zwodltd.com |
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| Price: Please send request |
| Request Lead Time: app. 1 Day |
| Delivery Time: by agreement Estimated delivery time to our warehouse in Berlin |
| Delivery Terms: FCA Berlin individually for each client according to INCOM TERMS 2025 |
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Multiples Of: 1
Product Specifications
| Product Attribute | Attribute Value |
|---|---|
| Weight | 0.92 KG / psc. |
| Commodity number | |
| Country of origin | |
| Dimensions (WxHxD) | |
| EAN code | |
| Product group | |
| Model | FR-LEX20 |
| Type | 2-wire explosion-proof model |
| Measuring range | Up to 20 m 65.6' *1 |
| Display range | Up to 25 m 82.0' *1 |
| Measurable dielectric constant of medium | 2 or more *2 |
| Resolution | 1 mm 0.04" |
| Precision | Up to 0.1 m 0.3' : ±10 mm 0.39" ; 0.1 to 10 m 0.3' to 32.8' : ±1 mm 0.04" ; 10 to 20 m 32.8' to 65.6' : ±2 mm 0.08" *3 |
| Response time | 1 s, 4 s (default value), 10 s, 25 s |
| Tank pressure | -0.1 to +1 MPa (-0.1 to +0.1 MPa below -20°C -4°F ) |
| Housing | PPS PC PA Internal potting agent: Epoxy resin (when using an Isolated barrier) Barrier: PC (when using a Zener barrier) Barrier: PC (when using a Zener barrier with a flameproof enclosure) Explosion-proof enclosure: Aluminium die casting, NBR Cable glands: Nickel-plated brass, chloroprene |
| Connection diameter | G1-1/2 (40A) |
| Analog output | 4 to 20 mA (Response time: 3 s after internal value is confirmed [90% response]) |
| Network compatibility | HART |
| Zero accuracy | ±0.1 mA (zero point = 4 mA) *4 |
| FS accuracy | ±0.2 mA (full scale = 20 mA) *4 |
| Power consumption | 752.5 mW or less (including analog output; excluding load current) (when using an Isolated barrier) 3 W or less (when using a Zener barrier) 602 mW or less (when using a Zener barrier with a flameproof enclosure) 602 mW or less |
| Relative humidity | Up to 85% RH (no condensation) |
| Temperature of coupling used | -30 to +85°C -22 to 185°F (no freezing) |
| Vibration resistance | 10 to 500 Hz; Power spectral density: 0.816 G 2 X, Y and Z directions |
| Shock resistance | 100 m/s 2 (10 G), 16 ms pulses, 1000 times each in X, Y and Z directions |
| Zone | Zone 0/20 (when using an Isolated barrier) Do not install in a hazardous location (associated apparatus *5 ) (when using a Zener barrier) Do not install in a hazardous location (associated apparatus *5 ) (when using a Zener barrier with a flameproof enclosure) Zone 1/21 |
| Electrical ratings | U i : 35 VDC / I i : 142.4 mA / P i : 1000 mW / L i : 26.2 nH / C i : 79 nF (when using an Isolated barrier) U m : 250 VRMS / U o : 26.78 VDC / I o : 115.307 mA / P o : 772 mW / L o (IIC): 0.2 mH / C o (IIC): 0.092 μF / L o (IIB): 0.2 mH / C o (IIB): 0.72 μF (when using a Zener barrier) U m : 250 VRMS / U o : 34.33 VDC / I o : 112.007 mA / P o : 961.3 mW / L o : 1.0 mH / Co: 0.37 μF (when using a Zener barrier with a flameproof enclosure) U m : 250 VRMS / U o : 34.33 VDC / I o : 112.007 mA / P o : 961.3 mW / L o : 1.0 mH / Co: 0.37 μF |
| Temperature | -30°C -22°F ≤ Ta ≤ 60°C 140°F / -30°C -22°F ≤ Tp ≤ 85°C 185°F (when using an Isolated barrier) ─ (when using a Zener barrier) ─ (when using a Zener barrier with a flameproof enclosure) Explosion-proof enclosure: -30°C -22°F ≤ Ta ≤ 60°C 140°F |
| Zone/Division | Zone 0/20 Division 1 (when using an Isolated barrier) Do not install in a hazardous location (associated apparatus *5 ) (when using a Zener barrier) Do not install in a hazardous location (associated apparatus *5 ) (when using a Zener barrier with a flameproof enclosure) Zone 1/21 Division 1 |
| Enclosure rating | IP67 (IEC60529), Enclosure Type 4X (NEMA250) (when using an Isolated barrier) Barrier: Not specified (when using a Zener barrier) Barrier: Not specified (when using a Zener barrier with a flameproof enclosure) Explosion-proof enclosure : IP67 (IEC60529) Enclosure Type 4X (NEMA250) |
| Protection circuit | Reverse power connection protection, power supply surge protection |
| Tank interior | Lens: PTFE; Internal seal: FFKM; Fastener: SUS304 |
| No of control outputs | ─ |
| Resolution | 1 mm 0.04" *4 |
| Power voltage | 18.3 to 35 VDC. (when using an Isolated barrier) 24 VDC +25%/-10% (when using a Zener barrier) 20.1 to 28 VDC (when using a Zener barrier with a flameproof enclosure) 20.1 to 28 VDC |
| Ambient temperature | -30 to +60°C -22 to 140°F (no freezing) (when using an Isolated barrier) Barrier: -30 to +60°C -22 to 140°F (no freezing) (when using a Zener barrier) Barrier: -30 to +60°C -22 to 140°F (no freezing) (when using a Zener barrier with a flameproof enclosure) Barrier: -30 to +60°C -22 to 140°F (no freezing) |
| Explosion-proof performance | Class I, Zone 0, AEx ia IIC T4 Ga/Zone 20, AEx ia IIIC T135°C Da/Class I, Division 1, Groups A, B, C, D, T4/Class II, Division 1, Groups E, F, G, T135°C/Class III, Division 1 or Class I, Zone 0, AEx ia IIB T4 Ga/Zone 20, AEx ia IIIC T135°C Da/Class I, Division 1, Groups C, D, T4/Class II, Division 1, Groups E, F, G, T135°C /Class III, Division 1 (when using an Isolated barrier) [AEx ia Ga] IIC or [AEx ia Ga] IIB/[AEx ia Da] IIIC Intrinsically safe circuit for Class I, Division 1, Groups A, B, C, D or Class I, Division 1, Groups C, D/Class II, Division 1, Groups E, F, G/Class III, Division 1 (when using a Zener barrier) [AEx ia Ga] IIB/[AEx ia Da] IIIC Intrinsically safe circuit for Class I, Division 1, Groups C, D/Class II, Division 1, Groups E, F, G/Class III, Division 1 (when using a Zener barrier with a flameproof enclosure) Class I, Zone 1, AEx db [ia Ga] IIB T4 Gb/Zone 21, AEx tb [ia Da] IIIC T135°C Db/Class I, Division 1, Groups C, D, T4/Class II, Division 1, Groups E, F, G, T135°C /Class III, Division 1 |
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