Read Before Operating
This manual must be carefully read by all individuals who have or will have the responsibility of using, maintaining,
or servicing this product. The product will perform as designed only if it is used, maintained, and serviced in
accordance with the manufacturer's instructions.
FCC Part 15 statement and CE
This device complies with Part15 of the FCC rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Use only the Lithium battery or external rechargeable battery provided by RAE Systems. This instrument has not
been tested in an explosive gas/air atmosphere having an oxygen concentration greater than 21%. Substitution of
components may impair suitability for intrinsic safety. Replace batteries only in non-hazardous locations.
STATIC HAZARD: Clean only with a damp cloth.
For safety reasons this equipment must be operated and serviced by qualified personnel only. Read and
understand instruction manual completely before operating or servicing. Any rapid up-scale reading followed by a
declining or erratic reading may indicate a gas concentration beyond upper scale limit, which may be hazardous.
Intrinsically Safe Marking
Cl. I, Div. 1, Gr A, B, C, D T4
Ta = -40° C to +50° C
IECEx SIR 19.0015X
Ex ia IIC T4 Ga
Ex ia I Ma
Ui = 3.6V, Ci=63µF, Li/Ri=3.5µH/ohm
MeshGuard User's Guide