461960 Datasheet, PDF (3/10 Pages) Extech Instruments Corporation. – RPM Controller / Monitor

Safety
International Safety Symbols
Caution : Risk of electric shock !
This symbol, adjacent to a terminal, indicates that, under normal use, hazardous
voltages may be present
Caution : Risk of electric shock !
This symbol, adjacent to another symbol or terminal, indicates the user must refer
to the manual for further information.
Equipment protected throughout by Double Insulation or Reinforced Insulation.
Safety Procedures
∗ Do not use fingers or any tool to touch the Wire Terminals.
∗ Do not exceed 0.5A relay contact load.
∗ The instrument contains no user serviceable parts and should not be opened
by the user.
∗ Repair or service should be done by a qualified technician only.
∗ Always apply the correct ACV power voltage
∗ Cleaning - Only use the dry cloth to clean the plastic case !
Operating conditions
∗ Comply with EN61010. Transient overvoltage at Mains Supply 2500V.
∗ Pollution Degree 2.
∗ Altitude up to 2000 meters.
∗ Indoor use.
∗ Relative humidity 80% max.
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461960 V1.1 8/07