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Drift compensation to ensure constant sensitivity
robust design to EN54 Parts 2 & 4
Re-settable operating element option
The Series 65 Optical Smoke Detector incorporates a pulsing LED located within the housing of the detector
in clear air conditions
QT422RX Nurse Call System Quantec Radio receivers. Maglock Drift compensation to ensure constantRadio Receivers Designed to accept radio frequency (RF) calls from Quantecs staff attack transmitters & patient pendants. QT422RX receivers are designed to be internally mounted and provide up to 60m RF coverage in communal gardens, car parks, etc. The optional QT422RXEX external mounting aerial can extend coverage to up to 90m. A recommended Option the QT421 RF Integrity transmitter will send periodic test transmissions to a QT422RX receiver (we
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![Wave[s] (LP) Da$h](https://cdn.shopify.com/s/files/1/1741/5543/files/waves.png?v=1714960238)
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