User's Manual

A3 ALPHA Meter/Collector PG42-1005A
14 July 2003
Absolute Maximums
Voltage
Continuous 528 VAC
Surge voltage withstand Test performed Results
ANSI C37.90.1 Oscillatory 2.5 kV, 2500 strikes
Fast Transient 5 kV, 2500 strikes
ANSI C62.41
6 kV @ 1.2/50 µs, 10 strikes
IEC 61000-4-4 4 kV, 2.5 kHz repetitive burst for 1 minute
ANSI C12.1 Insulation 2.5 kV, 60Hz for 1 minute
Current
Continuous at Class Amperes
Temporary (1 second) at 200 % of meter maximum current
Operating Ranges
Voltage Nameplate nominal range Operating range
120 V to 480 V (May have to be form dependent due to emissions
issues. We should know the answer to this early next week)
96 V to 528 V
Current
0 to Class amperes
Frequency
Nominal 50 Hz or 60 Hz ± 5 %
Temperature range
-40 °C to +85 °C inside meter cover
Humidity range
0 % to 100 % noncondensing
Operating Characteristics
Power supply burden (Phase A)
Less than 4 W
Per phase current burden
0.1 milliohms typical at 25 °C
Per phase voltage burden
0.008 W @ 120 V 0.03 W @ 240 V 0.04 W @ 480 V
Accuracy
Meets ANSI 12.20 accuracy for accuracy class 0.2 %
General Performance Characteristics
Starting current
Form 1S and Form 3S
10 mA for Class 20 100 mA for Class 200 160 mA for Class 320
All other forms
5 mA for Class 20 50 mA for Class 200 80 mA for Class 320
Startup delay
Less than 3 seconds from power application to pulse accumulation
Creep 0.000 A (no current)
No more than one pulse measured per quantity, conforming to ANSI C12.1 requirements
Primary time base
Power line frequency (50 Hz or 60Hz), with selectable crystal oscillator
Secondary time base
Meets the ANSI limit of 0.02 % using the 32.768 kHz crystal. Initial performance is expected to be equal to or better than ± 55 seconds per
month at room temperature
Outage carryover capacity
6 hours at 25 °C. Supercapacitor rated at 0.1 Farads, 5.5 V
Battery (optional)
LiSOCl
2
battery rated 800 mAhr, 3.6 V and shelf life of 20+ years. Five years continuous duty at 25 °C
Communications rate Optical port
9600 baud (nominal)
ITM3 option board
1200 bps or 2400 bps
ILC1 900 MHz radio
17600 bps
Applicable Standards
ANSI
C12.1 C12.10 C12.20 C12.18 C12.19 C12.21
Technical
Specifications