Meriam M2 – Series Smart Manometer - Manual (Page 8)

2
use the unit in accordance with this document will void the
certification and may cause potentially dangerous conditions.
For Intrinsically Safe M2 Series

Restrictions apply to the use of Intrinsically Safe
models in hazardous areas. Refer to the Intrinsic
Safety Control Drawing No. 9R000056 for more
information.

Substitution of components will void the Intrinsically
Safe Certification and may impair operation and safety.
Do not substitute components. Repairs must be made
at the factory to retain the Intrinsically Safe
Certification.

Service only in safe areas. Customer service is limited
to battery replacement and field recalibration only. All
other service must be provided by the factory to retain
the Intrinsically Safe Certification.

To prevent ignition of flammable or explosive
atmospheres, disconnect power before servicing in a
safe area.

To prevent ignition of flammable or explosive
atmospheres,
 DO NOT open or service unit, including battery
compartment, in flammable or explosive
atmosphere
 DO NOT rub, clean or wipe the surface of the
membrane keypad as it may build a static
charge
 DO NOT mix old batteries with new or mix
batteries from different manufacturers
 DO NOT replace batteries in explosive or
hazardous atmosphere
 DO NOT use any battery type other than those
listed on Dwg. No. 9R000056 “M2 Intrinsically
Safe Control Document”.
For General Purpose M2 Series
Fire/Explosion Hazard. Do not use General Purpose versions
in hazardous areas. DO NOT use General Purpose versions in
areas that may contain flammable gas or vapors, combustible
dusts or ignitable fibers where an unintended spark can cause
a fire/explosion.