Name: FR-LEX20L Keyence Radar Level Sensor | Industify
Brand: Keyence
Price: 1.00 USD
Availability: InStock

Model

FR-LEX20L

Type

2-wire explosion-proof model

Measuring range

Up to 15 m 49.2'*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, 10 s, 25 s, 4 s (default value)

Tank pressure

-0.1 to +1 MPa (-0.1 to +0.1 MPa below -20°C -4°F)

material

chloroprene, Lens: PTFE;Internal seal: FFKM;Fastener: SUS304, NBRCable glands: Nickel-plated brass, 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-proo

Connection diameter

G1-1/2 (40A)

Output

─, 4 to 20 mA (Response time: 3 s after internal value is confirmed [90% response])

Analog output accuracy

±0.1 mA (zero point = 4 mA) *4, ±0.2 mA (full scale = 20 mA) *4, 1 mm 0.04"*4

Power supply

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, 752.5 mW or less (including analogue 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

Environmental resistance

-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)(wh, -30 to +85°C -22 to 185°F (no freezing), 10 to 500 Hz; Power spectral density: 0.816 G2 X, 100 m/s2 (10 G), 1000 times each in X, 16 ms pulses, Up to 85% RH (no condensation), Y and Z directions

IECEx

-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 en, Ex ia IIC T4 Ga or Ex ia IIB T4 Ga Ex ia IIIC T135°C Da(when using an Isolated barrier) [Ex ia Ga] IIC or [Ex ia Ga] IIB [Ex ia Da] IIIC(when using a Zener barrier) [Ex ia Ga] IIB [Ex ia Da] IIIC(when, Ui: 35 VDC / Ii: 142.4 mA / Pi: 1000 mW / Li: 26.2 nH / Ci: 79 nF(when using an Isolated barrier) Um: 250 VRMS / Uo: 26.78 VDC / Io: 115.307 mA / Po: 772 mW / Lo (IIC): 0.2 mH / Co (IIC): 0.092 μF / L, 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)(wh

ATEX and UKEX

-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 en, II 1 G Ex ia IIC T4 Ga or II 1 G Ex ia IIB T4 Ga II 1 D Ex ia IIIC T135°C Da(when using an Isolated barrier) II (1) G [Ex ia Ga] IIC or II (1) G [Ex ia Ga] IIB II (1) D [Ex ia Da] IIIC(when using a Ze, Ui: 35 VDC / Ii: 142.4 mA / Pi: 1000 mW / Li: 26.2 nH / Ci: 79 nF(when using an Isolated barrier) Um: 250 VRMS / Uo: 26.78 VDC / Io: 115.307 mA / Po: 772 mW / Lo (IIC): 0.2 mH / Co (IIC): 0.092 μF / L, 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)(wh

Type Approval of Electrical Equipment for Use in Explosive Atmospheres

-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 en, Ex ia IIC T4 Ga or Ex ia IIB T4 Ga Ex ia IIIC T135°C Da(when using an Isolated barrier) [Ex ia Ga] IIC or [Ex ia Ga] IIB [Ex ia Da] IIIC(when using a Zener barrier) [Ex ia Ga] IIB [Ex ia Da] IIIC(when, Ui: 35 VDC / Ii: 142.4 mA / Pi: 1000 mW / Li: 26.2 nH / Ci: 79 nF(when using an Isolated barrier) Um: 250 VRMS / Uo: 26.78 VDC / Io: 115.307 mA / Po: 772 mW / Lo (IIC): 0.2 mH / Co (IIC): 0.092 μF / L, 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)(wh

NRTL/ACO

-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 en, AEx db [ia Ga] IIB T4 Gb/Zone 21, AEx ia IIB T4 Ga/Zone 20, AEx ia IIC T4 Ga/Zone 20, AEx ia IIIC T135°C Da/Class I, AEx tb [ia Da] IIIC T135°C Db/Class I, B, C, Class I, D, D or Class I, D/Class II, Division 1, Division 1 or Class I, Division 1(when using a Zener barrier with a flameproof enclosure) Class I, Division 1(when using a Zener barrier) [AEx ia Ga] IIB/[AEx ia Da] IIIC Intrinsically safe circuit for Class I, 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, F, G, G/Class III, Groups A, Groups C, Groups E, T135°C /Class III, T135°C/Class III, T4/Class II, Ui: 35 VDC / Ii: 142.4 mA / Pi: 1000 mW / Li: 26.2 nH / Ci: 79 nF(when using an Isolated barrier) Um: 250 VRMS / Uo: 26.78 VDC / Io: 115.307 mA / Po: 772 mW / Lo (IIC): 0.2 mH / Co (IIC): 0.092 μF / L, Zone 0, Zone 1, Zone 0/20 Division 1(when using an Isolated barrier) Do not install in a hazardous location (associated apparatus*6)(when using a Zener barrier) Do not install in a hazardous location (associated appa

enclosure rating

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-, IP67 (IEC60529)

Protection Circuit

power supply surge protection, Reverse power connection protection

Weight

Approx. 920 g 32.45 oz(when using an Isolated barrier) Barrier: Approx. 320 g 11.28 oz(when using a Zener barrier) Barrier: Approx. 100 g 3.52 oz(when using a Zener barrier with a flameproof enclosure

Brand

Keyence

Description

Keyence FR-LEX20L Radar Level Sensor

Enhance your industrial operations with the Keyence FR-LEX20L Radar Level Sensor. This two-wire explosion-proof model offers precise measurement capabilities with a measuring range of up to 15 meters. The sensor’s high resolution and quick response time ensure accurate data collection, promoting efficiency and reliability in your processes. Designed for safety and durability, it meets stringent environmental resistance standards, making it suitable for a wide range of applications.

Accurate measurement up to 15 meters
Precise resolution for reliable data
Rapid response time for efficient operations

With a focus on user experience and operational excellence, the Keyence FR-LEX20L Radar Level Sensor streamlines your monitoring and control systems. Its robust design and reliable performance make it a valuable asset in industrial settings where precision and safety are paramount. Invest in this advanced radar level sensor to elevate your processes and ensure optimal productivity.