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Technical Index - Photain Index

 

   
RATE COMPENSATION DETECTOR
   

FEATURES

* Low Profile Aesthetic Design * Surface and Recess Base Mounting
* Surface Mounted high reliability technology * LED Alarm Indication
* Integral Locking Facility * Remote indicator connection
* Heat sensing incorporating a single
--high performance thermistor

 

The Rate Compensation Detector operates by detecting the rate of rise of the ambient temperature.
The unit also operates at a fixed top temperature of 58° C regardless of the rate of change of temperature.

 

Technical Specifications for Rate of Rise Heat Detector

Detector type:
Rate Compensation

Detection principle:
Single High Performance
Thermistor

Nominal fixed
temperature limit:

58° C

Supply voltage:
15 - 30vDC

Quiescent current:
Less than 60 microAmps

Alarm current:
Max. 50mA

Alarm indicator:
Red light emiting diode illuminated
continuously

Remote alarm output:
Rated at 50mA max.
Sensitivity:
PRRP2000 Grade 1 EN54 Part 5

Temperature range:
-20° C +70° C

Humidity:
Up to 95% R.H.

Wind:
Insensitive to wind interference

Altitude:
0-6000metres

Vibration:
To EN54, Part 5, annex D

Impact:
To EN54, Part 5, annex F

Shock:
To EN54, Part 5, annex G

Electrical transcients:
500v spikes rise time
2 microseconds
Weight:
Detector: 82grammes
Base: 75grammes

Dimensions:
Detector in Base Assembly
Height: 60mm
Diameter: 108mm

Colour:
White

Environmental Rating
IP32

Technical compliance:
This detector is approved to EN54-5, BS5445 Part 5