
CLASS 2000 METER
5
62-0389-03
CAUTION
Internal circuit card components are extremely sensitive to electrostatic
discharge. Prior to handling or touching internal circuitry, discharge any static
buildup on your person. To discharge yourself, touch a grounded metal object
such as conduit or an earth grounded metal enclosure.
WARNING
Use of this instrument, Class 2000, in a manner inconsistent with this manual
or not specified by the manufacturer in writing, can cause permanent damage
to the unit and/or serious injury to the operator. The protection and safety
features provided by this equipment may become impaired or otherwise
compromised.
NOTE: If any trouble arises during installation or functional verification operations, do
not immediately remove unit. Before removing the unit, contact E-Mon’s tech-
nical support department at (800) 334-3666. E-Mon’s technical department
will assist you in detailed troubleshooting of the Class 2000 installation.
1.1 Internal Electronic Assemblies
The unit is comprised of a Main Power Board, Display Board and Keyboard. All circuit
cards are mounted inside a UL Type 1 (standard) or NEMA 4X (optional) enclosure.
Fig. 1. Power Supply Board and Display Board.
NOTE: Units are supplied in a UL Type 1 metal enclosure suitable for indoor applica-
tions only. Units supplied in the optional NEMA 4X fiberglass enclosure are
suitable for either indoor or outdoor applications, within the defined specifica-
tions. Refer to Section 12.0 for a definition of suitable environmental condi-
tions for indoor and outdoor units.
M33177
MAIN POWER
BOARD
DISPLAY AND
KEYBOARD