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High Power Digital Ultrasonic SensorsFW series

Amplifier Unit



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Power voltage

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

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, maximum load resistance: 260 Ω (Bank/external shift input/analog output selectable)

Environmental resistance

Ambient temperature

-10 to +55 °C 14 to 131 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

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


Main unit and cover: polycarbonate, key tops: elastomer


Panel mounting bracket, Protective front cover, Power cable, Instruction manual


Approx. 85 g (Including a 6.6' 2-m power cable)

*1 Excluding analog output. Includes head unit.

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