Technical data
Version:
With integrated 868 MHz radio frequency
module for integration in the Techem radio
frequency system data III and Techem Smart
System
Sensor systems:
Photo-optical diffused light process
Signal evaluation:
Thanks to process-controlled setpoint tra-
cing, sensitivity also remains constant when
the smoke boxes are soiled or dusty over the
course of the years, which cannot be avoided
Check:
• Manual: activation of the user key
• Automatic: can be remote accessed via
the radio-controlled interface
• Automatic testing can hardly be heard
Environment and
permeability
monitoring:
Regular and automatic tests whether smoke
can penetrate the detector unhindered
• Permeability of the smoke penetration
openings
• Covers / masking
• Relevant obstacles in the surroundings
of 60 cm around the smoke detector
Acoustic
alerting:
• In case of fire alarm at least 85 dB(A)
• For manual check: approx. 75 dB(A)
• For failure notification: approx. 75 dB(A)
Display:
LED red for fire alarm and failure
Techem radio frequency smoke detector 2 – operating instructions
34