RAEGuard
S
EC / LEL / IR User’s Guide
RAEGuard
S
IR Specifications
Size
6.6” L x 5.9” W x 4.3” H
168mm x 150mm x 109mm
Weight
7.7 lbs or 3.5 kg
Detector
Protected, Off-line pre-calibrated,
interchangeable smart NDIR sensor
Calibration
2 point calibration
Range
CO
2
：
0 to 50000 ppm
CH
4
：
0 to 100% LEL
Resolution
CO
2
：
When CO
2
< 10000 ppm
，
resolution is 1 ppm
；
When CO
2
>
10000 ppm
，
resolution is 1000 ppm
CH
4
：
resolution is 1% LEL.
Response Time
(T
90
)
T
90
≤
30 seconds
Certification
ATEX: II 2G Ex d IIC T6 -40° C < T
amb
< +60° C
Complies with EN60079-0 :2004, EN60079-1 :2004
IP Rating
IP-65
Power
9 to 36VDC, max 60mA at 24V or 1.5W
Output
4-20mA
RS-485
Baud rate: 4.8, 9.6 or 19.2kb/sec
Sampling
Internal diffusion
Display
7-segment, 4-digit LCD
4 color-coded LEDs
User Interface
Magnetically accessed keys for non-intrusive
calibration and adjustment
Operating
Temperature
CO
2
: -20°
C to +60° C
CH
4
: -40°
C to +60° C
Humidity
0 to 95% relative humidity (non-condensing)
Pressure
0.9 to 1.1 Atm
Dry Contacts
30V, 2A, normally open (or normally closed), one
for High and Low alarm, another for Fault alarm
Terminal
AWG 24 to 12 (diameter 0.5mm to 2mm)
Mounting
2 holes 5.25" (133mm), from center to center
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