Microsensor MPM4881 Operation Manual page 19

with GB3836.15-2000 Electrical Apparatus for explosive
gas atmosphere Part 15 General Requirement, and
provisions concerning Electrical Installation (not including
Mining products) at Hazardous Area.
6. Explosion-proof products are not allowed to replace the
component or structure, so as not to affect its
explosion-proof performance.
WARRANTY
Within one year from the delivery date, we shall repair or
replace the instrument with any quality fault caused by material
parts or our manufacturing technique free of charge. For
non-quality malfunction during user's operation, we are in
charge of repair. But the material cost and the shuttle
transportation fees should be borne by users.
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