High Power Digital Ultrasonic SensorsFW series


Amplifier Unit


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Current consumption

When connected with the FW-H02/H07


1680 mW (70 mA) or less*1

Power save

1370 mW (57 mA) or less*1

When connected with the FW-H10R


2640 mW (110 mA) or less*1

Power save

2330 mW (97 mA) or less*1

Display power

Dual row display with signed 3-digit 7-segment LED (character height: upper characters: 8 mm 0.32", red; lower characters: 5.7 mm 0.22", green), display update cycle: 10 times/sec. (5 times/sec. when averaging the display)

Operation status indicators

Red LED × 2 (corresponding to control output 1 and control output 2), green LED × 2 (display channel indicators)

Chattering prevention function

Off, 0.5, 1, 2, 5, 10 s selectable (When the FW-H10R is connected, this is selectable between off, 1, 2, 5, and 10 s.)

Bank/external shift input

No-voltage input (with contacts, without contacts), input time: 25 ms or more (switchable with analog output)

Control output

Maximum NPN open-collector output: 100 mA (40 V or less),
residual voltage: 1 V or less, 2 outputs (N.O./N.C. switchable)

Protection circuit

Reverse polarity protection, overcurrent protection, surge absorption

Analog output

4 to 20 mA*2, maximum load resistance: 260 Ω (switchable between bank and external shift input), output ripple (P-P) when workpiece is stationary: 2% of F.S. or less


Power voltage

24 VDC, ripple (P-P): 10% or less

Environmental resistance

Operating temperature range

-10 to 55°C 14 to 131°F, No freezing

Operating ambient humidity

35 to 85% RH (No condensation)


10 to 55 Hz, double amplitude: 1.5 mm 0.06", 2 hours each in the X, Y, and Z axis


Main unit and cover: polycarbonate, key tops: elastomer


Mounting bracket, power cable, instruction manual


Approx. 85 g

*1 Excluding analog output. Includes head unit.
*2 20 mA is output when no object is within the detecting area. A current of 4 to 20 mA relative to full range is output.

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