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PIR Sensors & Other Detectors

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Showing products 1 to 96 of 128
Bosch EGRESS PIR DS160

Bosch EGRESS PIR DS160

£48.99
£40.83 (ex. VAT)
Bosch PIR 12m Blueline Detector ISC-BPR2-W12

Bosch PIR 12m Blueline Detector ISC-BPR2-W12

£12.99
£10.83 (ex. VAT)
Bosch PIR PET Blue Line G2 Pet PIR 12m ISC-BPR2-WP12

Bosch PIR PET Blue Line G2 Pet PIR 12m ISC-BPR2-WP12

£13.99
£11.66 (ex. VAT)
Bosch PIR QUAD Blueline ISC-BPQ2-W12

Bosch PIR QUAD Blueline ISC-BPQ2-W12

£21.99
£18.33 (ex. VAT)
Guardall PIR DUALTECH DT15 15M DUALTEC W76561

Guardall PIR DUALTECH DT15 15M DUALTEC W76561

£55.99
£46.66 (ex. VAT)
Guardall PIR DUALTECH PQ15AM 15M W76558

Guardall PIR DUALTECH PQ15AM 15M W76558

£54.99
£45.83 (ex. VAT)
Guardall PIR QUAD PQ15 QUAD 15M DETCTR W76555

Guardall PIR QUAD PQ15 QUAD 15M DETCTR W76555

£54.99
£45.83 (ex. VAT)
HONEWEYLL IS312 PIR PET Switch 12m small Detector

HONEYWELL IS312 PIR PET Switch 12m small Detector

£10.99
£9.16 (ex. VAT)
Honeywell  TEST METER BGD Simulator FG701

Honeywell TEST METER BGD Simulator FG70

£89.99
£74.99 (ex. VAT)
Honeywell DETECTOR BGD Flexguard 7.6m FG1025Z

Honeywell DETECTOR BGD Flexguard 7.6m FG1025Z

£150.99
£125.83 (ex. VAT)
HONEYWELL DT8016AF5 PIR DUALTECH 16m Anti Mask EOL

HONEYWELL DT8016AF5 PIR DUALTECH 16m Anti Mask EOL

£56.99
£47.49 (ex. VAT)
Honeywell DT8320AF5 DUAL-TEC Ceiling Mount 21M -  DT8320AF5

Honeywell DT8320AF5,DUAL-TEC,Ceiling Mount,21M,X-B DT8320AF5 -

£147.99
£123.33 (ex. VAT)
Honeywell DT8320F5 DUAL-TEC Ceiling Mount - DT8320F5

Honeywell DT8320F5,DUAL-TEC,Ceiling Mount,21M,X-BA DT8320F5 -

£106.99
£89.16 (ex. VAT)
Honeywell DUALTECH 10,587GHz 16m EOL Mirror DT8016MF5

Honeywell DUALTECH 10,587GHz 16m EOL Mirror DT8016MF5

£54.99
£45.83 (ex. VAT)
Honeywell DUALTECH WIRELESS Pet Galaxy 12m DTPI8M

Honeywell DUALTECH W/LESS Pet Galaxy 12m DTPI8M

£118.99
£99.16 (ex. VAT)
HONEYWELL FG1625TAS DETECTOR BGD Break Glass Detector Flexguard 7.6m

HONEYWELL FG1625TAS DETECTOR BGD Flexguard 7.6m

£38.99
£32.49 (ex. VAT)
Honeywell FG8M,WIRELESS GLASSBREAK,SECOM,868MHZ,AL FG8M

Honeywell FG8M,WIRELESS GLASSBREAK,SECOM,868MHZ,AL FG8M

£115.99
£96.66 (ex. VAT)
HONEYWELL Galaxy DT8M WIRELESS DUALTECH DETECTOR 15m

HONEYWELL DT8M DUALTECH W/LESS Galaxy 15m

£121.99
£101.66 (ex. VAT)
HONEYWELL GALAXY IR8M WIRELESS PIR 12m

HONEYWELL GALAXY IR8M PIR W/LESS Galaxy 12m

£64.99
£54.16 (ex. VAT)
Honeywell INTRUDER 4mm Spacer for SC112 SC118

Honeywell INTRUDER 4mm Spacer for SC112 SC11

£11.99
£9.99 (ex. VAT)
Honeywell INTRUDER Mounting Plate SC100/SC105 SC110

Honeywell INTRUDER Mounting Plate SC100/SC105 SC110

£19.99
£16.66 (ex. VAT)
HONEYWELL IS312B PIR PET Switch 12m Detector with bracket

HONEYWELL IS312B PIR PET Switch 12m Detector with bracket

£12.99
£10.83 (ex. VAT)
Honeywell PIR CEILING Flush Mounting Kit DT8320 DT8300-FMK

Honeywell PIR CEILING Flush Mounting Kit DT8320 DT8300-FMK

£16.99
£14.16 (ex. VAT)
Honeywell PIR DUALTECH 12m Pet Immune DT8012F5

Honeywell PIR DUALTECH 12m Pet Immune DT8012F5

£41.99
£34.99 (ex. VAT)
Honeywell PIR DUALTECH 16m EOL Resistor DT8016F5

Honeywell PIR DUALTECH 16m EOL Resistor DT8016F5

£37.99
£31.66 (ex. VAT)
Honeywell PIR EOL resistors 16m Detector IS3016

Honeywell PIR EOL resistors 16m Detector IS3016

£22.99
£19.16 (ex. VAT)
Honeywell PIR Pet 12m IS3012

Honeywell PIR Pet 12m IS3012

£22.99
£19.16 (ex. VAT)
Honeywell PIR WIRELESS Pet Galaxy 12m IRPI8M

Honeywell PIR W/LESS Pet Galaxy 12m IRPI8M

£76.99
£64.16 (ex. VAT)
Honeywell PIR/AM 16M EOL RES IS3016A

Honeywell PIR/AM 16M EOL RES IS3016A

£28.99
£24.16 (ex. VAT)
Honeywell SMOKE WIRELESS Domonial Detector DF8M

Honeywell SMOKE W/LESS Domonial Detector DF8M -

£177.99
£148.33 (ex. VAT)
Luminite PIR WIRELESS LONG RANGE 30X20m Genesis2 LG2WP3020

Luminite PIR W/LESS L/RANGE 30X20m Genesis2 LG2WP3020 -

£343.99
£286.66 (ex. VAT)
Luminite RECEIVER WIRELESS Genesis with relays LGMRU4X4

Luminite RECEIVER W/LESS Genesis with relays LGMRU4X4 -

£434.99
£362.49 (ex. VAT)
Menvier DOMESTIC SMOKE & Heat Detector M12

Menvier DOMESTIC SMOKE DET & Heat M12

£33.99
£28.33 (ex. VAT)
Pyronix  CO2 WIRELESS Enforcer Detector CO-WE

Pyronix CO2 W/LESS Enforcer Detector CO-WE

£78.99
£65.83 (ex. VAT)
Pyronix  INTRUDER DETECTOR SUPPORT XD-FIXEDBRACKET

Pyronix INTRUDER DETECTOR SUPPORT XD-FIXEDBRACKET

£21.99
£18.33 (ex. VAT)
Pyronix  IP CAMERA 45 deg adapter for use w/XD-WA XD-45D-ADAPTER

Pyronix IP CAMERA 45 deg adapter for use w/XD-WA XD-45D-ADAPTER

£5.99
£4.99 (ex. VAT)
Pyronix  PIR DUALTECH 15m FPKX15ED

Pyronix PIR DUALTECH 15m FPKX15ED

£13.99
£11.66 (ex. VAT)
Pyronix  PIR DUALTECH KX15DT 15m FPKX15DT3

Pyronix PIR DUALTECH KX15DT 15m FPKX15DT3

£29.99
£24.99 (ex. VAT)
Pyronix  PIR DUALTECH Pet 10m EOL FPKX10DTP3

Pyronix PIR DUALTECH Pet 10m EOL FPKX10DTP3

£29.99
£24.99 (ex. VAT)
Pyronix  PIR DUALTECH WireLess Pet Detector 10M KX10DTP3-WE

Pyronix PIR DUALTECH W/Less Pet Detector 10M KX10DTP3-WE

£82.99
£69.16 (ex. VAT)
Pyronix  PIR WIRELESS Enforcer Curtain 15m KX15DC-WE

Pyronix PIR W/LESS Enforcer Curtain 15m KX15DC-WE

£49.99
£41.66 (ex. VAT)
Pyronix  PIR WIRELESS Enforcer Quad 12m KX12DQ-WE

Pyronix PIR W/LESS Enforcer Quad 12m KX12DQ-WE

£50.99
£42.49 (ex. VAT)
Pyronix  TEMPERATURE WIRELESS Wireless Heat Detector HEAT-WE

Pyronix TEMP W/LESS Wireless Heat Detector HEAT-WE

£77.99
£64.99 (ex. VAT)
Pyronix 07-a-1AD Quad PIR Ceiling Mount Detector OCTOPUSDQ

Pyronix 07-a-1AD Quad PIR Ceiling Mount Detector OCTOPUSDQ

£31.99
£26.66 (ex. VAT)
Pyronix BREAK GLASS DETECTOR BGD BG16DF 16m FPBG16DF

Pyronix DETECTOR BGD BG16DF 16m FPBG16DF

£23.99
£19.99 (ex. VAT)
Pyronix FLOOD WIRELESS Water Leak Detector WL-WE

Pyronix FLOOD W/LESS Water Leak Detector WL-WE

£58.99
£49.16 (ex. VAT)
Pyronix INTRUDER BRACKET XD10TTAM3 XD-WALLBRACKET

Pyronix INTRUDER BRACKET XD10TTAM3 XD-WALLBRACKET

£9.99
£8.33 (ex. VAT)
Pyronix MEQ Blue 12m PIR Burglar Alarm PIR Motion Detector FPMEQBL

Pyronix MEQ Blue 12m PIR Burglar Alarm PIR Motion Detector FPMEQBL

£11.99
£9.99 (ex. VAT)
Pyronix PIR 18m Curtain Detector FPKX18DC

Pyronix PIR 18m Curtain Detector FPKX18DC

£16.99
£14.16 (ex. VAT)
Pyronix PIR CONFIRMED TMD15TM DETCTR FPTMD15G3-3

Pyronix PIR CONFIRMED TMD15TM DETCTR FPTMD15G3-3

£58.99
£49.16 (ex. VAT)
Pyronix PIR DUALTECH KX15DTAM 15m AM FPKX15DTAM3

Pyronix PIR DUALTECH KX15DTAM 15m AM FPKX15DTAM3

£35.99
£29.99 (ex. VAT)
Pyronix PIR KX10DP DIGI 10m pet FPKX10DP

Pyronix PIR KX10DP DIGI 10m pet FPKX10DP

£13.99
£11.66 (ex. VAT)
Pyronix PIR QUAD KX15DQ 15m FPKX15DQ

Pyronix PIR QUAD KX15DQ 15m FPKX15DQ

£16.99
£14.16 (ex. VAT)
Pyronix PIR WIRELESS Enforcer Long Range 25m KX25LR-WE

Pyronix PIR W/LESS Enforcer Long Range 25m KX25LR-WE

£49.99
£41.66 (ex. VAT)
Pyronix SMOKE WIRELESS Enforcer Smoke Sensor Gen2 SMOKE-WE2

Pyronix SMOKE W/LESS Enforcer Smoke Sensor Gen2 SMOKE-WE2

£77.99
£64.99 (ex. VAT)
Pyronix Wireless PIR - KX12DT-WE

PYRONIX KX12DT-WE wireless DT PIR - £79.99

£83.99
£69.99 (ex. VAT)
Pyronix wireless PIR KX10DP-WE

PYRONIX wireless 10m PIR - £48.99

£54.99
£45.83 (ex. VAT)
SCANTRONIC  XCELRPT,  WIRELESS Pet Tolerant PIR Detector12m 868Mhz

SCANTRONIC XCELRPT, W/LESS Pet Tolerant PIR Detector12m 868Mhz

£47.99
£39.99 (ex. VAT)
SCANTRONIC DET-RDT-G2  DUALTECH Wireless  Detector

SCANTRONIC DET-RDT-G2 DUALTECH W/less Detector

£66.99
£55.83 (ex. VAT)
SCANTRONIC DET-RDTPT-G2  Wireless DUALTECH Pet detector

SCANTRONIC DET-RDTPT-G2 PIR DUALTECH W/less Pet detector

£67.99
£56.66 (ex. VAT)
SCANTRONIC DET-RSMOKE WIRELESS SMOKE DETECTOR with Alkaline Batteries

SCANTRONIC DET-RSMOKE SMOKE W/LESS with Alkaline Batteries

£84.99
£70.83 (ex. VAT)
SCANTRONIC DET-WDT-G2 PIR DUALTECH PIR DUALTECH Wired detector

SCANTRONIC DET-WDT-G2 PIR DUALTECH PIR DUALTECH Wired Detector

£47.99
£39.99 (ex. VAT)
SCANTRONIC XCELR WIRELESS DECTOR 12m 868Mhz

SCANTRONIC XCELR PIR W/LESS DETECTOR 12m 868Mhz

£48.99
£40.83 (ex. VAT)
SCANTRONIC XCELW 12m Detector Wired

SCANTRONIC XCELW PIR 12m Detector Wired

£15.99
£13.33 (ex. VAT)
SCANTRONIC XCELWPT PIR 9m Pet Tolerant PIR Detector

SCANTRONIC XCELWPT PIR 9m Pet Tolerant PIR Detector

£17.99
£14.99 (ex. VAT)
Texecom  PIR CEILING Capture CQ-W wless Quad Pyro GDD-0001

Texecom PIR CEILING Capture CQ-W wless Quad Pyro GDD-0001

£73.99
£61.66 (ex. VAT)
Texecom  Twin Dual PIR TD AFE-0009

Texecom Twin Dual PIR TD AFE-0009

£16.99
£14.16 (ex. VAT)
Texecom 360 DUAL TECH PREMIER Elite 360 DT - AFW-0001

Texecom Elite 360 DT Ceiling Mount Detector AFW-0001

£44.99
£37.49 (ex. VAT)
TEXECOM AAC-0001 PIR Veritas Medusa 12m

TEXECOM AAC-0001 PIR Veritas Medusa 12m

£10.99
£9.16 (ex. VAT)
TEXECOM ACC-0001 PIR CEILING Premier 360QD

TEXECOM ACC-0001 PIR CEILING Premier 360QD - £23.99

£27.99
£23.33 (ex. VAT)
TEXECOM ACD-0001 PIR Premier Compact IR 12M

TEXECOM ACD-0001 PIR Premier Compact IR 12M - £7.99

£9.99
£8.33 (ex. VAT)
TEXECOM AEC-0001 DETECTOR BGD Premier Impaq Break Glass Detector

TEXECOM AEC-0001 DETECTOR BGD Premier Impaq - £27.99

£33.99
£28.33 (ex. VAT)
TEXECOM AFB-0001  PIR DUALTECH Premier Elite AMDT

TEXECOM AFB-0001 PIR DUALTECH Premier Elite AMDT

£34.99
£29.16 (ex. VAT)
TEXECOM AFC-0001 PIR CEILING Premier Elite AM360 QD

TEXECOM AFC-0001 PIR CEILING Premier Elite AM360 QD

£40.99
£34.16 (ex. VAT)
TEXECOM AFD-0001 PIR Premier Elite 15m IR

TEXECOM AFD-00001 PIR Premier Elite 15m IR

£13.99
£11.66 (ex. VAT)
TEXECOM AFG-0001 PIR DUALTECH Premier Elite DT

TEXECOM AFG-0001 PIR DUALTECH Premier Elite DT

£28.99
£24.16 (ex. VAT)
TEXECOM AFL-0001 PIR Premier Elite 15m Pet

TEXECOM AFL-0001 PIR Premier Elite 15m Pet

£20.99
£17.49 (ex. VAT)
TEXECOM AGB-0001 DOMESTIC SMOKE EXODUS Optical/Heat Detector

TEXECOM AGB-0001 DOMESTIC SMOKE EXODUS Opt/Heat Detector

£33.99
£28.33 (ex. VAT)
TEXECOM AGB-0002 DOMESTIC SMOKE EXODUS Rise Heat Detector

TEXECOM AGB-0002 DOMESTIC SMOKE EXODUS Rise Heat Detector

£33.99
£28.33 (ex. VAT)
Texecom Bracket Support for Detecter AFU-0004 individual brackets

Texecom BRACKET SUPPORT FOR PIRS AFU-0004 Singles

£52.99
£44.16 (ex. VAT)
Texecom DOMESTIC SMOKE EXODUS Fixed Temp Detectr AGB-0004

Texecom DOMESTIC SMOKE EXODUS Fixed Temp Detectr AGB-0004

£32.99
£27.49 (ex. VAT)
Texecom DUALTECH WIRELESS CaptureD20-W 20m DT PIR GDC-0001

Texecom DUALTECH W/LESS CaptureD20-W 20m DT PIR GDC-0001 -

£102.99
£85.83 (ex. VAT)
Texecom DUALTECH WIRELESS CaptureP15-15m Dual Pyro GDA-0001

Texecom DUALTECH W/LESS CaptureP15-15m Dual Pyro GDA-0001

£54.99
£45.83 (ex. VAT)
Texecom FIXED HEAT DETECTOR FT64 Exodus AGB-0003

Texecom Heat Detector Fixed Temp Exodus AGB-0003

£32.99
£27.49 (ex. VAT)
TEXECOM GBA-0001 Wireless PIR W/LESS Premier Elite XT-W Ricochet

TEXECOM GBA-0001 PIR W/LESS Premier Elite XT-W Ricochet

£79.99
£66.66 (ex. VAT)
TEXECOM GBD-0001 Wireless PIR W/LESS Premier Elite QD-W Ricochet

TEXECOM GBD-0001 PIR W/LESS Premier Elite QD-W Ricochet

£78.99
£65.83 (ex. VAT)
TEXECOM GBF-0001 Wireless DUALTECH W/LESS Premier Elite DT-W

TEXECOM GBF-0001 DUALTECH W/LESS Premier Elite DT-W

£103.99
£86.66 (ex. VAT)
TEXECOM GBM-0001 Wireless PIR Premier 360 QD-W

TEXECOM GBM-0001 PIR W/LESS Premier 360 QD-W

£79.99
£66.66 (ex. VAT)
TEXECOM GBN-0001 Wireless SMOKE Premier Elite OH-W

TEXECOM GBN-0001 SMOKE W/LESS Premier Elite OH-W

£56.99
£47.49 (ex. VAT)
Texecom PIR CEILING Capture CA Quad AM Dual Tech AKH-0001

Texecom PIR CEILING Capture CA Quad AM Dual Tech AKH-0001

£48.99
£40.83 (ex. VAT)
Texecom PIR CEILING Capture CD Dual Tech AKG-0001

Texecom PIR CEILING Capture CD Dual Tech AKG-0001

£43.99
£36.66 (ex. VAT)
Texecom PIR CEILING Capture CD-W Wless Dual Tech GDE-0001

Texecom PIR CEILING Capture CD-W Wless Dual Tech GDE-0001 -

£106.99
£89.16 (ex. VAT)
Texecom PIR CEILING Capture CQ Quad Pyro PIR AKF-0001

Texecom PIR CEILING Capture CQ Quad Pyro PIR AKF-0001

£29.99
£24.99 (ex. VAT)
Texecom PIR CEILING Premier Elite AM360DT AFX-0001

Texecom PIR CEILING Premier Elite AM360DT AFX-0001

£49.99
£41.66 (ex. VAT)
Texecom PIR DUALTECH Capture D20 20m Dual Tech AKD-0001

Texecom PIR DUALTECH Capture D20 20m Dual Tech AKD-0001

£27.99
£23.33 (ex. VAT)
Texecom PIR DUALTECH CaptureP15 15m Dual PyroPIR AKB-0001

Texecom PIR DUALTECH CaptureP15 15m Dual PyroPIR AKB-0001

£12.99
£10.83 (ex. VAT)

What is a PIR Motion Sensor?

PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, easy to use and don't wear out. ... They are often referred to as PIR, "Passive Infrared", "Pyroelectric", or "IR motion" sensors.

How Does a PIR Sensor Work?

How Do PIR Sensors Work? Passive infrared (PIR) sensors use a pair of pyroelectric sensors to detect heat energy in the surrounding environment. These two sensors sit beside each other, and when the signal differential between the two sensors changes (if a person enters the room, for example), the sensor will engage.

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