sensor

  1. M

    Extending CT sensor for SolarImmersion

    Hi, I am planning to fit a SolarImmersion to make use of my excess generation and need to extend the CT clip-on sensor by about 7m. Their website states that this can be done using a twisted pair data cable, but no specifications. Has anyone needed to do this or can suggest a suitable cable...
  2. L

    40A Flow Switch

    Hi everyone I am looking for a water flow sensor/switch to turn on a 11.5Kw shower. The flow sensor/switch must be capable of handling 40A for a period of upto 2 hours of use. Does anyone know of such a thing if one exists?
  3. T

    Occupancy Sensor wiring via plug in ceiling rose.

    I've just picked up a lighting job fitting occupancy sensors through out a building. The wiring is to be in T&E clipped direct above the false ceiling and terminated into plug in ceiling roses. Its the first time I've used occupancy sensors and was thinking of terminating the sensor wiring in a...
    • Twistedfinger
    • Thread
    • ceiling first fittings lighting plug rose sensor sensors wiring
    • Replies: 5
    • Forum: UK Electrical Forum
  4. V

    PIR lighting issue

    Hi. Weird one. I fitted a Georgian style PIR light outside the door of my house. Got a 3 core flex cable (Line, Neutral and CPC) from board to 13A spur (fused down to 3A), then to light fitting. When you walk by, it switches on fully bright, but when it switches off (a.k.a no movement) - it's...
    • v.elec
    • Thread
    • bright fused issue lighting neutral pir sensor switched
    • Replies: 18
    • Forum: UK Electrical Forum
  5. S

    IR ON/OFF Motion Detector Sensor Switch. Problem

    Hi i bought "IR ON/OFF Motion Detector Sensor Switch from Mr Resistor, i wanted to install it in the bathroom, to switch on and off LED light above cabinet, after instalation switch doesnt work, Just hear click sound but doesnt switch off the lights, any ideas please? Where is the problem...
    • Simoniz
    • Thread
    • connected contacts detector motion problem sensor strip switch transformer
    • Replies: 8
    • Forum: UK Electrical Forum
  6. A

    External pet immune PIR????

    Any one know of one of these... am googled out and could really do with some kip! Thanks as ever guys!
    • alexg
    • Thread
    • bottom detection external pir sensor
    • Replies: 7
    • Forum: UK Electrical Forum
  7. stef

    Dusk to dawn switch

    Hi chaps, Well, I have one of them Fitted it 10 years ago, still working! Till recently. Going green I decided to replace the outside lights with LED types and splashed out 40 quid. Now, after dusk, the lights come on for 5 seconds and then go off for a couple of minutes and so on. Pretty...
  8. A

    PIR sensor for cars?

    Hi Have you ever used a PIR sensor to detect cars - so that driveway lights come on automatically? Or would they be driving too slowly? Dont want to use photoelectric beams as they need big posts (customer doesnt !). Cheers :icon7:
  9. J

    K1 and K2 Flashing - Sick Safety Relay

    Hi, I am currently having problems with a sick safety relay not resetting, I can make it set (Energise) by applying 24VDC to K1 and K2 inputs, however when I try to make it reset using the PNP output from a retro-reflective sensor the K1 and K2 indicators flash? Any ideas? thanks
    • Jamie3032
    • Thread
    • check flashing light problem relay safety sensor
    • Replies: 21
    • Forum: UK Electrical Forum
  10. W

    Underfloor heating help!

    Hi there, i had a job today where the customers underfloor heating stopped working. i tested the mats and both were reading 32 ohms. he had a spare controller stat so I changed it. The stat sends 240v to the mats. But as it takes a while (he says it can take a good hour in his house) and with...
    • Wayne Gollop
    • Thread
    • clamp heating help! sensor underfloor underfloor heating
    • Replies: 39
    • Forum: UK Electrical Forum
  11. S

    PIR Sensor Problems

    I fitted a PIR sensor light to a detached garage sitting at the top of the drive, then changed to a seperate Sensor feeding the light. I am having/had problems with them detecting correctly. The garage is on the left of the house looking from the front, 1M away from side of house, and about 1 M...
  12. S

    Occupancy sensor timer

    Hi there got asked to install some occupancy sensor timers into small caravan park toilet block, toilets have wash area and three stalls, anyone got any recommendations on products to use, and where would be the best place to fit them, obviously will have to leave one light on for safety, but...
  13. M

    motion sensor

    does anyonr know of a good make of motion light sensor for a bathroom??
  14. G

    Wiring PIRS

    Hi guys I have a customer who has a normal 2 way lighting circuit in her hallway she would like like it to be controlled by a pir during the night for when her son going to the toilet at night, but taken out of the circuit during the day so the two way circuit will can operate normally. Any...
    • ghostdog
    • Thread
    • circuit light lighting pir sensor wiring
    • Replies: 9
    • Forum: UK Electrical Forum
  15. M

    Intruder alarm issue - possibly sensor problem?

    Hi I have a Scantronic intruder alarm installed in my home. Recently it stopped working. I can't arm it anymore. I think the reason is that somehow it lost the think round shaped sensors on the door frame. When the main door is opened, earlier I could see two which circular sensors - one...
  16. D

    Dysonairblade interference with ceiling pir

    Anyone come across this the dysonairblade has a mind of its own it goes on and off as it pleases only since I installed a motion sensor in the bathroom for the lighting.
  17. the pict

    lux sensor

    Anyone know of a dusk to dawn sensor with a time option and movement sensor, IE on at dusk off at say 1 AM off at dawn, on with movement after dusk Yeah I know Pict

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