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Keyence FR-LW20L
Long-range sensor main unit 2-wire standard model. FR-LW20L. Series: Radar Level Sensor. Series code: FR series
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Description
Long-range sensor main unit 2-wire standard model. FR-LW20L. Series: Radar Level Sensor. Series code: FR series
Specification
| Model Name | Long-range sensor main unit 2-wire standard model |
|---|---|
| Model Code | FR-LW20L |
| Series Title | Radar Level Sensor |
| Series Code | FR series |
| Data Sheet URL | https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_157159&dlModelId=PM_28LW20L&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US |
| CAD URL | https://www.keyence.com/products/process/level/fr/downloads/?mode=cd&modelId=PM_28LW20L |
| Manuals URL | https://www.keyence.com/products/process/level/fr/downloads/?mode=ma&modelId=PM_28LW20L |
| Model | FR-LW20L |
| Type | 2-wire standard 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, 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) |
| Material - Tank interior | Lens: PTFE;Internal seal: FKM;Fastener: SUS304 |
| Material - Housing | PPS PC PA |
| Connection diameter | G1-1/2 (40A) |
| Output - No. of control outputs | 1 |
| Output - Control output/auxiliary output | Transistor output (NPN open collector)Common independent type 35 VDC or less, 50 mA max.Residual voltage of 4.0 V or less (50 mA or less) N.O./N.C. switching |
| Output - Analog output | 4 to 20 mA (Response time: 3 s after internal value is confirmed [90% response]) |
| Network compatibility | HART |
| Analog output accuracy - Resolution | 1 mm 0.04″*4 |
| Analog output accuracy - Zero accuracy | ±0.1 mA (zero point = 4 mA)*4 |
| Analog output accuracy - F.S. accuracy | ±0.2 mA (full scale = 20 mA)*4 |
| Power supply - Power voltage | 18.3 to 35 VDC. |
| Power supply - Power consumption | 752.5 mW or less (including analog output; excluding load current) |
| Environmental resistance - Ambient temperature | -30 to +60°C -22 to 140°F (no freezing) |
| Environmental resistance - Relative humidity | Up to 85% RH (no condensation) |
| Environmental resistance - Temperature of coupling used | -30 to +85°C -22 to 185°F (no freezing) |
| Environmental resistance - Vibration resistance | 10 to 500 Hz; Power spectral density: 0.816 G2 X, Y and Z directions |
| Environmental resistance - Shock resistance | 100 m/s2 (10 G), 16 ms pulses, 1000 times each in X, Y and Z directions |
| Enclosure rating | IP67 (IEC60529), Enclosure Type 4X (NEMA250) |
| Protection circuit | Reverse power connection protection, power supply surge protection, output short-circuit protection, output surge protection |
| Weight | Approx. 920 g 32.45 oz |
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