Technical information

Page 60
The S131 has been specially packaged in a tough
GRP anti-static housing with abrasion resistant
sapphire windows and protection against water
ingress under sustained, high wind driven
conditions. The S131 Infra-red Flame Detector
uses the same optical and electronic module as
the S111 and S121 detectors. It therefore has
near identical performance characteristics making
it completely blind to solar radiation whether
direct, reflected or modulated.
Technical Specification
Material: G.R.P. Anti-static, black
Dimension: 160H x 160W x 90D mm
(without bracket)
Weight: 2.85 Kg (including bracket)
Gland Entry: 2 x 20mm
Range: 0.1m
2
petrol at 20m
0.4m petrol at 40m
Field of View: 90° min inclusive
Response Time: 3 secs min
5-10 secs typical
Product Codes
516.009.023
S131 Infra-red Flame detector solar blind
516.009.028
S131 Infra-red Flame detector solar blind
Pyrotronics
Datasheet - Product Code PSF58 “S131 Flame
Detector”
Manual - Vol01A-04-D4 “Detectors Fire Manual”
The S161 Infra-Red Flame Detector is specifically
designed to replace installed UV units using
existing Ex d wiring, making replacement highly
cost effective.
The S161 Infra-Red Flame Detector uses the
same optical and electronic module as the S111,
S121 and S131 detectors. It therefore, has
identical performance characteristics making it
completely blind to solar radiation whether direct,
reflected or modulated. In order to meet the
demands of arduous environments, such as
chemical plants and off-shore oil and gas
platforms, the S161 detector has been packaged
in a tough G.R.P. anti-static housing, which makes
it mechanically similar to the S131 detector.
Two 20mm cable entries and two 4-way terminal
blocks are provided, which eliminate the need for
a local junction box, reducing installation costs.
When using the existing Ex‘d’ wiring associated
with UV detectors, the use of BASEEFA certified
Ex ‘e’ glands is mandatory.
Technical Specification
Supply Voltage: 18.0V to 24.0 V d.c. (polarity
conscious)
Quiescent Current: 100µ A max. at 20V d.c.
Alarm Current: 2-wire, latching.
720 ohm in series with
typically 4V switched across
supply
Alarm Indication: Red LED
Connections: Two 4 way 2.5mm heavy
duty terminal blocks
Hazardous Area: BASEEFA Ex e s ib IIC T5.
Suitable for use in zones 1
and 2 where group IIC
gases or lesser hazards are
sometimes present in
explosive concentrations.
BASEEFA Cert. No: EX87Y 3550
Product Code
516.009.022
S161 Infra-red Flame detector solar blind
complete with built in intrinsically safe isolation.
Datasheet - Product Code PSF59 “S161 Flame
Detector”
Manual - Vol01A-04-D5 “Detectors Fire Manual”
S161 Flame Detector
S131 Flame Detectors
The S111 and S121
(and variants thereof) are single sensor infra-red
flame detectors with optical filtering, suitable for
use outdoors in a wide range of applications.
Specifically designed for use in the demanding
environments of the onshore petro-chemical
industry, the S111 and S121 detectors
incorporate an abrasion resistant sapphire
window in a protective housing to meet IP65.
Features
• No false alarms from welding, sunlight or high
intensity lamps
• Low maintenance costs
• Quick response to carbon fires
• Good performance (20m)
• Completely solar-blind for use outdoors
• High sensitivity with exceptional interference
rejection
• BASEEFA approved EEx ia IIC T5
• Housing protection to IP65
• Integral stainless steel 316 mounting bracket
• 2 core interface to conventional fire systems
• Built in response indicator
• High immunity to smoke, dust and grime
Technical Specification
Material: Impact resistant moulded
plastic (light grey)
Dimensions: 160H x 80W x 60D mm
(without bracket)
Weight: 0.6Kg
Gland Entry (S121): 1 x 20mm
Range: 0.1m
2
petrol at 20m
0.4m petrol at 40m
Field of View: 85° min inclusive
Response Time: 3 secs min, 5-10 secs
typical
Supply Voltage: 15.5 to 25.5Vd.c.
Quiescent Current: 100µA max. at 20Vd.c.
Alarm Current: 60 mA max
Operating Temp.: -30°C (-40°C with reduced
range) to + 70°C
Storage Temp.: -40°C to + 80°C
Relative Humidity: 95% (100% intermittent)
Enclosure to: IP65
Classification: BASEEFA EEx ia IIC T5
Suitable for use in zones 0,1
and 2 where group IIC
gasses or lesser hazards
are present in explosive
concentrations.
BASEEFA Cert No.: Ex 812333
Connections
S111 Milspec plug sealed into body
Milspec mating socket with 2m of 4 core PVC
insulated, braid screened PVC sheathed cable
to DEF Std 61-12 Pts 4
S121 One 4 way, 2.5 mm heavy duty terminal
block
Product Codes
516.009.006
S111 Infra-red Flame detector solar blind plug
and socket connection
516.009.008
S121 Infra-red Flame detector solar blind screw
terminal connections
516.009.014
S121 Infra-red Flame detector solar blind screw
terminal connections (Pyrotronics) FM Approved
516.009.007
S112 Infra-red Flame detector non solar blind
plug and socket connection
516.009.019
S122 Infra-red Flame detector non solar blind
screw terminal connections (Pyrotronics)
Datasheet - Product Code PSF22 “S111/121 Infra
Red Flame Detector”
Manual - Vol01A-04-D1/D2/D3 “Detectors Fire
Manual”
S111 and S121 Series Flame Detectors