-> This is a microwave detector. It consists of an antenna as detecting part and control unit composed of oscillator, wave detector and amplifier, and these two components are coupled together by a wave guide. Since the antenna is free from any electronic part which may be affected by heat, it can be used in high temperature environment without being cooled by water.
-> This device is suitable for using under bad environment because microwave isn't affected by vapor, disturbance light,smoke etc.
-> This device is reflective type. It is possible to detect small pipe, too.
-> This device provides monitor output that is monitoring oscillation of microwave.
M4 screw terminal, hub body with gland(Hole diameterφ18)
Display lamp
Power lamp, operation lamp, alarm lamp, 5-step reception level lamp*2
Ambient temperature
Control unit : -10 to +60°, Antenna/waveguide : -20 to +600°
Case
Antenna : Bronze casting, Control unit : Aluminum die-casting
Weight
Control unit : approx. 10kg, Antenna : approx. 11kg
*1 When oscillation of microwave is stopped by power failure or circuit trouble, this output is executed.
*2 Reception level is indicated with 5 steps.
External dimension
Antenna(MAR-201/MAR-251)
Note)Only MAR-251
Control unit
I/O Circuit
Connection
Control output
Terminal No.
4-5
5-6
7-8
Power-OFF state
CLOSE
OPEN
-
Power-ON state
When non-detection
OPEN
CLOSE
ON
When detection
CLOSE
OPEN
OFF
Alarm output(monitor output)
Terminal No.
9-10
10-11
Power-OFF state
CLOSE
OPEN
Power-ON state
When normal
OPEN
CLOSE
When troubled
CLOSE
OPEN
Characteristics Data
Detecting characteristics
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