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- Self Contained
- Sensing Range 4-40", 8-80"
- Narrow Sensing Beam
- High Frequency
- Range & Hysteresis Controls
- Reverse Polarity Protected
- Short Circuit Protected
- Operates in Hostile Environments
- Operating Voltage 20-30VDC
- Isolated N.O. N.C. Solid State Relays
- RPS-401 in Plastic Housing
- RPS-426 in Stainless Steel Housing
For analogue output versions see the RPS-401a
sensor range |
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The RPS-401 and 426 are stud-mounted, completely
self-contained, 20-30VDC powered ultrasonic sensors. A
sealed transducer provides protection in hostile environments.
The sensor can be operated in two modes a proximity and
a hysteresis mode, described below. The frequency of operation
for the RPS-401 is 212kHz for the 4" to 40"
and 150kHz for the 8" to 80". The RPS-426 has
a 8" to 80" range and operates at a frequency
of 150kHz. These sensors also have built-in short circuit
protection for the outputs as well as reverse polarity
protection on the input.
The construction of the RPS-401 sensor is Plastic Valox
and the RPS-426 is Stainless Steel. A barrel housing is
used 30mm in diameter by 100mm in length. For set up purposes
an LED indicator is provided. When not detecting the LED
will illuminate green and when detecting the LED will
illuminate red. The outputs consist of two solid state
relays N.O. / N.C. which can switch 2-130VAC or VDC up
to 100mA DC or 50mA AC continuous. The relay outputs are
short circuit protected and isolated up to 1500 volts
rms. A standard 6' cable is provided. An optional quick
disconnect plug is available. |
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