User's Manual

TWACS
®
- ORION
®
for CENTRON
®
Meter User Guide 35
Chapter 3 • Specifications
N OTE Per Measurement Canada, Specifications/Standards LMG-EG-07 &
PS-E-09-E are used to verify compliance with Canadian criteria.
Environmental Specifications
The following table provides the environmental specifications.
Physical Specifications
The following table provides the physical specifications.
High voltage isolation on
meter chassis
ANSI C12.1-2001 Test No. 15- “Insulation”
Voltage interruption test ANSI C12.1-2001 Test No. 16- “Voltage
Interruption”
Effect of electrostatic
discharge
ANSI C12.1-2001 Test No. 28- “Effect of
Electric Discharge (ESD)”
Effect of Variation of
Frequency
ANSI C12.1-2001. Test #6
Effect of Variation of
Voltage on the Metering
Device
ANSI C12.1-2001. Test #5.
Table 3.2 Compliance specifications
Test Title Applicable Specification
Table 3.3 Environmental specifications
Thermal
Effect of operating temperature Per ANSI C12.1-2001 Test No. 30
Humidity
Effect of relative humidity, both
operational and storage
Per ANSI C12.1-2001 Test No. 31
Table 3.4 Physical specifications
Parameter Specification
Size, weight, form factor
Integrated dimensions Meter-specific
Installation instructions Provided with shipping package. One per
TWACS-enabled meter carton.
Compliance Testing Specifications
Mechanical tests
• Mechanical Shock
• Mechanical Vibration
• Transportation Drop Test
• Transportation Vibration
Per relevant sections of ANSI C12.1 - 2001
described below:
• Test #32, per IEC 60068 part 2-27
• Test #34, per IEC 60068 part 2-6
• Test #33, per ISTA Test Procedure 1A
• Test #35, per ISTA Test Procedure 1A