Spectrex Quasar 900 Open-Path Gas Detection System - Manual (Page 20)

SafEye TM Quasar 900 Gas Detector
8 Models and Types
2.4.2 FM / FMC
The Quasar 900 is approved to FM / FMC Explosion Proof per:
 Class I, Div. 1 Group B, C and D, T6 -58°F (-50°C) ≤ Ta ≤ 149°F (65°C)
 Dust Ignition Proof – Class II/III Div. 1, Group E, F and G.
 Ingress Protection – IP66 & IP68, NEMA 250 Type 6P.
IP68 is rated for 2 meter depth for 45 minutes.
2.4.3 SIL-2
The Quasar 900 Is TUV approved for SIL2 requirements per IEC 61508.
The alert condition according to SIL-2 can be implemented by alert signal
via 0-20mA current loop.
For more details and guidelines on configuring, installing, operating and
servicing, see SIL-2 Features, page 57, and TUV report no. 968/EZ
619.00/13.
2.4.4 Functional Test
The Quasar 900 was functional approved per FM 6325
The Quasar 900 was functional tested by FM per EN60079-29-4
2.5 Models and Types
The Quasar 900 includes 4 models with the same detector and different
source. That gives the ability to get detection at distances of 7-200m.
Table 2: Model Numbers and Installation Distances
Model
No.
Detector Source
Min.
Installation
Distance
Max.
Installation
Distance
901 QR-X-11X QT-X-11X 23 ft (7 m) 66 ft. (20 m)
902 QR-X-11X QT-X-21X 50 ft (15 m) 132 ft. (40 m)
903 QR-X-11X QT-X-31X 115 ft (35 m) 330 ft. (100m)
904 QR-X-11X QT-X-41X 265 ft (80 m) 660 ft. (200 m)