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IM02601006E www.eaton.com 7-18
IQ 150S/250S 7: Using the Submeter
Figure 7.5: Using the Watt-hour Test Pulse
Table 7.1: Infrared & KYZ Pulse Constants for Accuracy Testing - Kh Watt-hour per pulse
NOTES:
• Minimum pulse width for the IQ 150S is 40 milliseconds; minimum pulse width for the IQ 250S is
90 milliseconds.
• Refer to Chapter 2, Section 2.2, for Wh Pulse specifications.
Meter
Input Voltage
Level
Class 10
Models
Class 2 Models
IQ 150S
Below 150V
0.2505759630
0.0501151926
Above 150V
1.0023038521
0.2004607704
IQ 250S
Below 150V
0.500017776
0.1000035555
Above 150V
2.000071103
0.400014221
-
-
-
A
B
C
MENU
ENTER
MAX
MIN
LM1
LM2
%THD
PRG
VOLTS L-N
VOLTS L-L
AMPS
WNARP
VA/Hz
lrDA
Wh
VARh
VAh
120%-
90%-
60%-
30%-
%LOAD
MEGA
KILO
Wh Pulse
Comparator
Energy
Standard
Error
Results
Test Pulses
Energy Pulses
Summary of Contents for IQ 150S
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