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Keyence FR-LW20
Long-range sensor main unit 2-wire standard model. FR-LW20. Series: Radar Level Sensor. Series code: FR series
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Description
Long-range sensor main unit 2-wire standard model. FR-LW20. Series: Radar Level Sensor. Series code: FR series
Specification
| Model Name |
Long-range sensor main unit 2-wire standard model |
|---|---|
| Model Code |
FR-LW20 |
| Series Title |
Radar Level Sensor |
| Series Code |
FR series |
| Data Sheet URL | |
| CAD URL |
https://www.keyence.com/products/process/level/fr/downloads/?mode=cd&modelId=PM_281LW20 |
| Manuals URL |
https://www.keyence.com/products/process/level/fr/downloads/?mode=ma&modelId=PM_281LW20 |
| Model |
FR-LW20 |
| Type |
2-wire standard 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) |
| 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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