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9410 series
Verifying accuracy
Verifying accuracy test
The following tests are guidelines for accuracy testing your meter; your meter shop
may have specific testing methods.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
Failure to follow these instructions will result in death or serious injury.
•
Apply appropriate personal protective equipment (PPE) and follow safe electrical
work practices. See NFPA 70E in the USA, CSA Z462 or applicable local
standards.
•
Turn off all power supplying this device and the equipment in which it is installed
before working on the device or equipment.
•
Always use a properly rated voltage sensing device to confirm that all power is
off.
•
Do not exceed the device’s ratings for maximum limits.
•
Verify the device’s power source meets the specifications for your device’s power
supply.
1. Turn off all power supplying this device and the equipment in which it is installed
before working on the device or equipment.
2. Use a properly rated voltage sensing device to confirm that all power is off.
3. Connect the test voltage and current source to the reference device or energy
standard. Ensure all voltage inputs to the meter under test are connected in parallel
and all current inputs are connected in series.
V1 V2 V3 VN
I1
I2
I3
+
-
+
-
+
-
V1 V2 V3 VN
I1
I2
I3
+
-
+
-
+
-
V1 V2 V3 VN
I1
I2
I3
+
-
+
-
+
-
A
Reference device or energy standard
B
Test voltage and current source
C
Meter under test
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7EN05-0336-01