MicroRAE User’s Guide
56
Instrument Specifications
continued
Operating
Temperature
-4° to 140° F (-20° to 60° C)
Humidity
0% to 95% relative humidity (non-condensing)
IP Rating
IP-67
Hazardous
Location
Approvals
USA and Canada: classified for use in Class I, Division 1,
Groups A, B, C and D T-Code T4
Global:
IECEx: Ex ia d IIC T4 Gb; Ex ia I Ma
Europe: ATEX:
II 2G Ex ia d IIC T4 Gb;
I M1 Ex ia I Ma
CE Compliance
(European
Conformity)
2004/108/EC (EMC)
1999/5/EC (Radio)
94/9/EC (ATEX)
FCC Compliance
FCC Part 15
Languages
English
Warranty
• Two years on LEL, CO, H
2
S, and O
2
sensors
• One year on other sensors
Specifications are subject to change.
Sensor Specifications
Combustible Sensor
Range
Resolution
Operating Temperature
Catalytic bead LEL
0 to 100% LEL
1% LEL
-4° to 122° F (-20° to 50° C)
Electrochemical Sensors
Range
Resolution
Operating Temperature
Carbon Monoxide (CO)
0 to 250 ppm
251 to 1000 ppm
1 ppm
3 ppm
-4° to 122° F (-20° to 50° C)
Hydrogen Cyanide (HCN)
0 to 50 ppm
0.2 ppm
-4° to 122° F (-20° to 50° C)
Oxygen (O
2
)
0 to 30% Vol.
0.1% Vol.
-4° to 122° F (-20° to 50° C)
Hydrogen Sulfide (H
2
S)
0 to 50 ppm
51 to 100 ppm
0.1
ppm
1 ppm
-4° to 122° F (-20° to 50° C)
All specifications are subject to change without notice.
LEL Range, Resolution & Response Time
Range
0 to 100% LEL
Resolution
1%
Response Time:
T
90
< 30 sec.
Caution:
•
Refer to RAE Systems Technical Note TN-114 for LEL sensor cross-sensitivities.
•
Refer to RAE Systems Technical Note TN-144 for LEL sensor poisoning.
