Long-range sensor main unit 2-wire standard model FR-LW20

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

Housing

PPS PC PA

Connection diameter

G1-1/2 (40A)

Output

No. of control outputs

1

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

Analog output

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

Analog output accuracy

Resolution

1 mm 0.04"^*4

Zero accuracy

±0.1 mA (zero point = 4 mA)^*4

F.S. accuracy

±0.2 mA (full scale = 20 mA)^*4

Power supply

Power voltage

18.3 to 35 VDC.

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)

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 G² X, Y and Z directions

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