Discovery Multi-Sensor Detector (Optical/Heat) [SIL2]

58000-700SIL

The Discovery Multi-Sensor Detector consists of optical smoke and thermistor temperature sensors which give a combined signal for improved false alarm management.

Technical specification
General
Warranty
10 year
Applications
  • Bedrooms
  • Hospitals
  • Hotels
  • Medium to large buildings
  • Offices
  • University campuses
  • Car parks/loading bays
  • Clean rooms
  • Warehouses
Fire Type
Fast and slow burning fires
Wireless
No
Performance
Heat classification
A1R
Analogue value nominal
23
Analogue value (- tolerance)
0
Analogue value (+ tolerance)
4
Analogue value
23 +4/-0
Alarm level analogue value
55
Chamber type
Chevron
Mechanical
Colour
White
Sensor configuration
Horizontal optical bench housing infra-red emitter and sensor, arranged radially to detect forward scattered light.
Weight
105g
Materials housing
Polycarbonate
Materials terminals
Nickel plated stainless steel
Product diameter
100mm
Detection principle
  • Photo-electric light scattering.
  • Temperature sensitive resistance.
Product diameter
3.94in
Product height (wo/base)
50mm
Conformance
Standards
  • EN 54-5
  • EN 54-7
Approvals
  • LPCB
  • ESC
  • CPR
Electrical
Protocol voltage
5 to 9V peak to peak
Protocol voltage (max)
9V
Protocol voltage (min)
5V
Power-up surge current
1mA
Maximum power-up time
10 seconds
Status indicator - Alarm
Red
Quiescent current
470μA
Quiescent current tested at
24V dc
Supply voltage (max)
28V dc
Supply voltage (min)
17V dc
Supply voltage (Vmin-Vmax)
17 to 28V dc
Terminal functions L2
+L2 Loop in & out positive
Terminal functions L1 in
+L1 in
Terminal functions L1 out
+L1 out
Polarity
L1 & L2 are polarity insensitive
Environmental
Humidity (max)
0% RH
Humidity (min)
95% RH
Humidity Note
no condensation or icing
Humidity
95% to 0% (no condensation or icing)
Operating temperature
-40 to 70°C
Operating temperature (max)
70°C
Operating temperature (min)
-40°C
IP rating Value
IP44
Operating temperature (min)
-40°F
Operating temperature (max)
158°F
Operating temperature
-40 to 158°F
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