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Marmitek X10 Motion Detector MS13E

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The Marmitek X10 Motion Detector PIR on sensing movement will send X10 signals by wireless to an X10 receiver which can be set to perform other functions like turning lights or appliances on or off.

  • Save energy by turning off lights when there is no-one in the room.
  • Have lighting without wall switches.
  • Activate lighting sequences.
  • Splash waterproof for inside and outside use.
  • Protect your home by having early warning of visitors.

Imagine not having to tell the kids to turn the lights off when they are not in the room - with the MS13E Motion Sensor it can be done automatically! Imagine not having to search for a light switch in the dark - The MS13E can turn on the lights when someone enters the room. With a Marmitek CM15pro Computer Interface and ActiveHomePro software, you can set up macros to run when the MS13E senses occupancy or not. With the CM15pro time delay you can have sequenced lighting.

The MS13E sends wireless radio frequency (RF) signals to a Transceiver Module. The receiver then passes the signals onto your house wiring which are picked up by other X10 controlled modules, like the Lamp Module or Appliance Module to turn on lights or appliances around the home. The MS13E can also send signals to turn off a light after a designated time. The user can set the MS13E to turn off after 1,2,4,8,16,32,64 and 128 minutes, as long as no motion has been detected.

Note that the MS13E has a built-in photocell that detects when it is dark. The user can select to use the photocell to only turn lights on when it is dark. In this condition the MS13E does not transmit RF during daylight. Alternatively, the user may choose not to use the photocell and the MS13E will transmit day and night that there is someone there. In addition, the MS13E sends signals when it detects dusk and dawn so it can turn a light on when it gets dark and turn it off when it gets light (in addition to turning lights on when it detects motion, when its dark).


Batteries: 2 x AAA
RF Frequency: 433.92 Mhz
RF Range: 30m (open field)
Field of view of approx 110 degrees on the horizontal axis and 125 degrees vertically
PIR Range: 45 degrees - 5 metres, straight ahead - 12 metres
Output: 1mW
Approvals: 1-ETS 300220, 300683
Ambient Temperature: -10ºC to +30ºC (operation); -20ºC to +70ºC (storage)
Length 65, Width 65, Height 25 mm.

This product is CE approved for use in the EU.

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Product Reviews

  1. Fiddly and a little too unreliable

    Posted by BonaFido on 24th Mar 2015

    I installed this about 4 years ago to guard a secluded back-of-house entry area with signal going to a TM13 transceiver on a socket that powered radio and bedside light, so it would wake us if at home or look as though we had been woken if we were not at home. The tiny multiple press button programming is very fiddly and difficult to know you have achieved the day/night, length of on-off time etc that you want. However, you don't have to do this too often. Batteries seem to last about 18 months. Main problem is that the 'on' signal sometimes fails to reach the receiver module and the 'off' signal almost never seems to reach it, so on winter evenings after locking up outside the bedroom lights and radio all blaze away until reset. As with all PIR sensors, sensitivity can be annoying and in my case it seems that deer/rabbits/foxes/cats trigger it, even though they don't trigger our floodlight's integral PIR.

  2. Good dual pupose sensor

    Posted by Jon on 8th Mar 2013

    Functions well as a motion and/or light sensor.

    This sensor seems to be the recommended sensor for use with the rfxcom transceiver.

    Personally, for a motion detector for use with the rfxcom, I prefer it to the HomeEasy model as it only transmits one (two if using light sensor function) signal whereas the HomeEasy sensor transmits both ARC and AC codes. Also, I find it more sensitive and generally more reliable. The only slight drawback is that its antenna does make it a bit more noticeable.

  3. Marmitek X10 Motion Detector (MS13E)

    Posted by Robert Sharp on 1st Jul 2010

    Bought this some time ago and took a while to get it working with a Linux-based system. Works very well, in fact too well for me. I want to use it outside but without screening the window it gets triggered by passing cars, and they must be 15m or more away. RF range is good. I have tried it outside with the receiver in a room in the opposite corner of the house. It works but only if I position the receiver accurately. This is only for testing and I should be relocating the receiver to somewhere more central so hopefully this will not remain a problem.

  4. Marmitek X10 Motion Detector (MS13E)

    Posted by William Day on 24th Dec 2007

    The range of this is very poor. it detects movement over no greater than 10 to 15 feet (3 to 5 metres) and somewhat randomly at that. Its transmission range to the receiver is about the same.

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