Doc# E166703 6-4
6: Using the Watt-Hour Test Pulses
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Table 6.2: Test Pulses and Their Single Phase Meters - MP200-S
6.2.2: Kh Testing Procedure
As mentioned earlier, the MP200 unit is equipped with eight light pulse outputs, each
of which generates one pulse when a defined unit of energy is measured by the meter.
The defined unit of energy is given as Kh (Pulse Constant) times "1 kilowatt-hour."
The Pulse Constants are given in Table 6.1 and are printed on the MP200 unit’s serial
number label next to "Kh-TV<150V" and "Kh-TV>150V."
The diagram below shows a typical test setup:
Figure 6.3: Typical Kh Test Setup
Typical standards are: Radian Research RD20 & RD21 or a Watt-hour Engineering
Company Three Phase Automated Test System.
Test
Pulse 1
Test
Pulse 2
Test
Pulse 3
Test
Pulse 4
Test
Pulse 5
Test
Pulse 6
Test
Pulse 7
Test
Pulse 8
Meter 1 Meter 4 Meter 7 Meter 10 Meter 13 Meter 16 Meter 19 Meter 22
Meter 2 Meter 5 Meter 8 Meter 11 Meter 14 Meter 17 Meter 20 Meter 23
Meter 3 Meter 6 Meter 9 Meter 12 Meter 15 Meter 18 Meter 21 Meter 24
Voltage
Source
Current
Source
Photo
Detector
Standard
+
Comparator
MP200
1 2 3 4 5 6 7 8
Pulse
Input
Current
Input
Potential
Input
Test
Light
Pulses