Question 1

Has anybody else found that the sensor will only work with the lens removed?  unit functions normally until i put the lens back on the ir sensor.

Accepted Answer

Mine works perfectly, my hand must be in close proximity, maybe within 25mm or so.

Check if there a protective film that hasn't been removed from the lens? Or maybe some other contaminant that is affecting its focus or protrusions from the moulding?

Question 2

Anyone comment on the longevity of these? I am on my third of this type. They seem to go faulty relatively quickly-lights staying either on or off

Accepted Answer

I've found them flaky with tungsten and fluorescent (especially) lights, but reliable with LED.  They all started out OK but the tungsten one started false positives that became incessant after 6 months The fluorescent strip lights on another (2x58w) would turn back on repeatedly a few times then settle down. Since replacing all the lights with LED they just work properly, even the oldest which is 9m old. I wouldn't now attempt using them with anything other than LED.

Question 3

My sensor faces a shower cubicle (glass/stainless steel) and so is unable to detect any movement. Any ideas what to do?

Accepted Answer

You need to reconnect the manual pull switch to switch the light on. Effectively the shower screen is isolating the use of the PIR detector, so you need to override with a manual switch. You need to be aware of the environment that is the need for 240v devises to be ip67 rated the pir device is not.

Question 4

What are the dimensions of the sensor?

Accepted Answer

This was used as a replacement for the sensor on the bathroom mirror. It is fitted, works perfectly and consequently it is difficult to give dimensions without removal. All I can say is that the hole into which it fits is approximately 12 mm measured from the outside.

ASIN	B00TS4Z1PS
Antenna Location	Home and office security, energy-efficient lighting control
Battery Description	Battery not included
Best Sellers Rank	118,678 in DIY & Tools ( See Top 100 in DIY & Tools ) 225 in Motion Detectors (DIY & Tools)
Brand	Maclean
Colour	White
Compatible Devices	Light, Security System, Smart Home Hub, Lighting Controls
Country of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (865)
EU Spare Part Availability Duration	7 Years
Frequency	60 Hz
Global Trade Identification Number	05903292802893
Item Type Name	Ceiling Mounted PIR Motion Sensor
Item Weight	9 Grams
Manufacturer	Maclean
Manufacturer Warranty Description	24 months.
Maximum Range	6 Metres
Model Number	MCE32
Mounting Type	Ceiling mount, wall mount
Number of Items	1
Part Number	MCE32
Power source	AC
Temperature Range	-2E+1 Degrees Celsius
Unit Count	1.0 count

Maclean Energy MCE32 800W Auto Switch Box w PIR Motion Detector Sensor Security Light

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