Refco REFVAC-RC Instruction Manual page 6

Always wear protective goggles and gloves when working
with the digital vacuum gauge.
REFCO products are specifically designed and manufactured
to be handled by trained refrigeration technicians. Due
to the high pressures and the chemical and physical
properties of the gases used in refrigeration systems,
REFCO declines all responsibility and liability in case of
accidents, injuries and death.
REFCO expressly states that the products must only be
used by professionally trained experts. No use by children
or unqualified persons.
The digital vacuum gauge must not be used in EX zones.
Intended use
The digital vacuum gauge is designed to measure vacuum conditions in
mobile and stationary refrigeration systems and heat pumps. This REFCO
product may only be used by trained refrigeration technicians. The device
assists the technician during the evacuation process of a system.
Furthermore, the vacuum tightness of a system can be checked with the
vacuum meter.
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Instruction Manual