26
Safety and Technical Manual
Rev: 2
Form No. F_020521
VSF303 Flame Detector
This document is strictly private and confidential, reproduction without Viking Corporation approval is prohibited. © 2021 The Viking Group Inc.
8 Technical Specification
Detector Information
Parameter
Value
Model
Viking MSIR flame detector VSF303
Type
Triple IR Flame Detector – IR3
Spectral Range
Three wavelengths in the range of 3 µm to 8 µm
Application
Flame / fire detection of hydrocarbon fires only
Electrical Specification
Parameter
Units
Min
Nominal
Max
Comment
Supply Voltage
Vdc
18
24
32
Inc. ripple
Supply Ripple
Vpk-pk
1.0
1.0
1.0
Detector Power Consumption no heaters
W
3
3
3
Detector Power Consumption with heaters W
12
12
12
Detector shutdown voltage (low supply)
Vdc
<18
Mechanical Specification
Parameter
Units
Value
Comment
Enclosure
Overall Dimensions
inches
4 Diameter x 8 Length
mm
100 Diameter x 200 Length
Shipping Weight
lbs.
5.5
13.2
Kg
2.5
6
Material
HE30 Aluminum
316SS
Coating
Color
Red Powder Coated Finish
Cable Entries
mm/inches Dual M25, Dual ¾ NPT
Other variants
on request
Terminal Wire Size
mm
2
/
AWG
2.5 / 14
Ingress Protection
NEMA 4X (IP66)
Mounting Bracket
See figure 1 Mounting Bracket Page 8
Support Fixings
mm
2 x M8
Vertical Adjustment
Degrees
0 to 45
Horizontal Adjustment
Degrees
0
Provided by
support
Axial (horizontal)
Rotation
Degrees
+/- 45
Environmental Specification
Parameter
Units
Min
Max
Comment
Operating Ambient Temperature
o
F/
o
C
-76 / -60
+185 / +85 T4
Operating Ambient Temperature
o
F/
o
C
-58 / -50
+185 / +85 USA & Canada
Storage Ambient Temperature
o
F/
o
C
-76 / -60
+185 / +85
Relative Humidity
%RH
0
100
Non-condensing
