Radar Level Sensor
FR series
Specs Radar Level Sensor FR series
Sensor Unit
Model |
FR-S01 |
FR-SH01 |
FR-LM20 |
FR-LP20 |
FR-LM20L |
FR-LP20L |
FR-LS20L |
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Image |
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Type |
Short range Standard model |
Short range Compact chemical model |
Long range Standard model |
Long range Chemical model |
Long range Standard model |
Long range Chemical model |
Long range Sanitary model |
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Measuring range |
Up to 1.5 m 4.9'*1 |
Up to 20 m 65.6'*1 |
Up to 15 m 49.2'*1 |
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Display range |
Up to 2 m 6.6'*1 |
Up to 25 m 82.0'*1 |
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Measurable dielectric constant of medium |
2 or higher*2 |
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Resolution |
1 mm 0.04" |
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Precision |
Up to 0.1 m 0.3': ±20 mm 0.79"; |
Up to 0.1 m 0.3': ±10 mm 0.39"; |
Up to 0.1 m 0.3': ±10 mm 0.39"; |
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Response time |
0.4 s, 1.5 s, 4 s (default value), 10 s |
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Tank pressure |
-0.1 to +1 Mpa |
-0.1 to +0.1 Mpa |
-0.1 to +1 Mpa |
-0.1 to +0.1 Mpa |
-0.1 to +1 MPa |
-0.1 to +0.1 Mpa |
-0.1 to +1 Mpa |
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Material |
Tank interior |
Lens: PTFE |
Lens: PTFE |
Lens: PTFE |
Lens: PTFE |
Lens: PTFE |
Lens: PTFE |
Lens: PTFE |
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Housing |
PBT PAR |
PPS PPSU |
PPS PET PAR |
PPS PPSU |
PPS PET PAR |
PPS PPSU |
SUS304 |
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Connection diameter |
G3/4 (20 A) |
G1-1/2 (40 A) |
2 S ferrule |
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Output |
No. of control outputs |
Maximum 5 |
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Maximum 5 |
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Control output/auxiliary output |
NPN/PNP open collector (switching type) |
NPN/PNP open collector (switching type) |
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Analog output |
0–20 mA/4–20 mA |
0–20 mA/4–20 mA maximum load resistance 260 Ω |
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External input |
Short-circuit current: 1.5 mA or less |
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Network compatibility |
IO-Link v1.1/COM2 |
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IO-Link v1.1/COM2 |
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Analog output accuracy |
Resolution |
1 mm 0.04"*4 |
1 mm 0.04"*4 |
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Zero accuracy |
±0.1 mA (zero point = 4 mA)*4 |
±0.1 mA (zero point = 4 mA)*4 |
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F.S. accuracy |
±0.2 mA (full-scale = 20 mA)*4 |
±0.2 mA (full-scale = 20 mA)*4 |
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Power supply |
Power voltage |
24 VDC + 25%/–20% Including ripple Class 2 or LPS |
24 VDC + 25%/–20% |
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Power consumption |
80 mA or less (Excluding Load Current) |
106 mA or less (Excluding Load Current) |
98 mA or less (Excluding Load Current) |
106 mA or less (Excluding Load Current) |
98 mA or less (Excluding Load Current) |
106 mA or less (Excluding Load Current) |
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Environmental resistance |
Ambient temperature |
−20°C to +55°C*5*6 -4°F to +131°F |
–10 to +70°C*5*614°F to 158°F |
Display part when combined and separated: –20 to +50°C -4°F to+122°F(no freezing)*7*8 |
Display part when combined and separated: –10 to +50°C 14°F to 122°F (no freezing)*7*8 |
Display part when combined and separated: –20 to +50°C -4°F to+122°F(no freezing)*5*6 |
Display part when combined and separated: –10 to +50°C 14°F to 122°F (no freezing)*5*6 |
−20°C to +60°C*5*6 -4°F to+140°F (no freezing) |
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Relative humidity |
Up to 85% RH (no condensation) |
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Temperature of coupling used |
–20 to +85°C -4°F to +185°F (no freezing)*5*6 |
–10 to +85°C 14°F to 185°F (no freezing)*5*6 |
–20 to +85°C -4°F to +185°F (no freezing)*7*8 |
–10 to +85°C 14°F to 185°F (no freezing)*7*8 |
–20 to +85°C -4°F to +185°F (no freezing)*5*6 |
–10 to +85°C 14°F to 185°F (no freezing)*5*6 |
–20 to +100°C -4°F to+ 212°F (no freezing)*5*6 |
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Vibration resistance |
10–500 Hz Power spectral density: 0.816 G2; X, Y and Z directions |
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Shock resistance |
100 m/s2 (10 G), 16 ms pulses, 1000 times each for X, Y and Z directions |
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Enclosure rating |
IP67 (IEC60529) |
IP67 (IEC60529), Enclosure Type 4X (NEMA250) |
IP67 (IEC60529), IP69K (ISO20653) |
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Protection circuit |
Protection against reverse power connection, power supply surges, output overcurrent protection, and output surges |
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Weight |
Approx. 170 g 6.00 oz |
Approx. 140 g 4.94 oz |
Approx. 600 g 21.16 oz |
Approx. 400 g 14.11 oz |
Approx. 600 g 21.16 oz |
Approx. 400 g 14.11 oz |
Approx. 900 g 31.75 oz |
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*1 Guaranteed value in water with the recommended installation. Static water can be measured up to the edge of the lens. An undetectable area on the short-range side is created owing to the environment and measurement medium. The maximum measuring distance is also shortened. |
Amplifier unit
Model |
FR-SA1 |
FR-SA2 |
FR-SA1C |
FR-SA0 |
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Image |
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Type |
Short Separated Amplifier Unit Cable Main Unit |
Short Separated Amplifier Unit Cable Expansion Unit |
Short Separated Amplifier Unit M8 connector Main Unit |
Short Separated Amplifier Unit Zero line Expansion unit |
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Response time |
0.4 s, 1.5 s, 4 s (default value), 10 s |
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Output |
No. of control outputs |
Maximum 5 |
Maximum 2 |
0 |
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Control output/auxiliary output |
NPN/PNP open collector (switchable) up to 30 VDC or less, max 50 mA for each |
NPN/PNP open collector (switchable) |
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Analog output |
0–20 mA/4-20 mA |
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0–20 mA/4–20 mA |
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External input |
Short circuit current: 1.5 mA or less Input time: 500 ms or more |
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External communication |
— |
NU Series compatibility |
IO-Link v1.1/COM2 |
NU Series compatibility |
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Analog output accuracy |
Resolution |
1 mm 0.04"*1 |
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1 mm 0.04"*1 |
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Zero accuracy |
±0.1 mA (zero point = 4 mA)*1 |
±0.1 mA (zero point = 4 mA)*1 |
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Full-scale accuracy |
±0.2 mA (full-scale = 20 mA)*1 |
±0.2 mA (full-scale = 20 mA)*1 |
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Expansion |
Connected to FR-SA1 (with FR-S01 connected): up to 8 units (9 units total including main unit)*2 |
Connected to FR-SA1 (with FR-S01 connected): up to 8 units (9 units total including main unit)*2 |
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With NU series connected:up to 16 units*7 (17 units total including main unit) |
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Power supply |
Power voltage |
24 VDC +25%/−20%*3*4 including ripple, Class2 or LPS |
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Power consumption |
When FR-S01 is connected: up to 1940 mW or less (72 mA or less at 24 V) |
When FR-S01 is connected: up to 1690 mW or less (60 mA or less at 24 V) |
1880 mW or less |
1620 mW max. |
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Environmental resistance |
Ambient temperature |
–20°C to +55°C -4°F to +131°F (no freezing)*5 |
–20°C to +55°C -4°F to +131°F (no freezing)*8 |
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Relative humidity |
Up to 85% RH (no condensation) |
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Protection circuit |
Protection against reverse power connection, power supply surges, output overcurrent protection, and output surges |
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Material |
PC |
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Weight |
Approx. 100 g 3.53 oz |
Approx. 90 g 3.17 oz |
Approx. 20 g 0.71 oz |
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*1 With a load resistance of 250 Ω, this value is guaranteed by KEYENCE inspection facilities. Errors may occur due to your environment. |