| SERVICE | PRODUCT | DETERMINANT | TECHNIQUE | PROCEDURE | LIMITATION / RANGE |
DC and low frequency electrical metrology - Electrical measurement and test equipment
| Insulation resistance test equipment;
| Resistance;
| Comparison with a reference standard by substitution measurement;
| By the method of PSS WI-11 | At voltages of 50 V to 5 kV
|
|
CAPABILITY
with Calibration and Measurement Capability of;
3% from 1 MΩ - 1 GΩ;
5% from 1 GΩ - 10 GΩ;
10% from 10 GΩ - 100 GΩ; |
| Ammeters;
| AC current;
| Indirect measurement against a reference standard;
| by method of single or multiple turns | from 50 mA up to 5000 A at 50 Hz |
|
CAPABILITY
with Calibration and Measurement Capability of -;
1% of reading;
from 50 mA up to 5000 A at 50 Hz;
|
DC and low frequency electrical metrology - High-voltage/high-current standards and equipment
| Current transformers;
| Current error; Phase displacement;
| Comparison with a reference standard by differential measurement;
| AS 1675;
AS/IEC 60044.1;
IEC 61869-1,-2 | |
|
CAPABILITY
Accuracy tests at 50 Hz, up to 5000 A applied primary current;
for CTs with rated secondaries of 1 A or 5 A;
with Calibration and Measurement Capability of -;
±0.025% for current error;
±0.030 crad for phase displacement; |
| Voltage transformers;
| Phase displacement; Voltage error;
| Comparison with a reference standard by differential measurement;
| AS 1243;
AS/IEC 60044.2
AS/IEC 61869-1,-3; | |
|
CAPABILITY
Accuracy tests at 50 Hz, up to rated primary voltage of 132 kV/√3;
Single phase measurements of VTs with rated secondaries of 63.5 V or 110 V;with Calibration and Measurement Capability of -;
0.025% for voltage error;
0.025 crad for phase displacement;
|
| High voltage test sets;
| Voltage;
| Direct measurement against a reference standard;
| | Measurements performed in the laboratory and in the field ;
a.c. test sets
from 1 kVrms to 100 kVrms at 50 Hz;
from ±1 kVpeak/√2 to ±100 kVpeak/√2, at 50 Hz;
from ±1 kVpeak to ±140 kVpeak, at 50 Hz;
d.c. test sets
from - 90 kV to +90 kV |
|
CAPABILITY
Measurements performed in the laboratory;
with Calibration and Measurement Capability of -;
a.c. test sets
2% of reading from 1 kVrms to 100 kVrms at 50 Hz;
2% of reading from ±1 kVpeak/√2 to ±100 kVpeak/√2, at 50 Hz;
2% of reading from ±1 kVpeak to ±140 kVpeak, at 50 Hz;
d.c. test sets
2% of reading from -90 kV to 90 kV
Measurements performed in the field;
with Calibration and Measurement Capability of;
a.c. test sets
2.5% of reading from 1 kVrms to 100 kVrms at 50 Hz;
2.5% of reading from ±1 kVpeak/√2 to ±100 kVpeak/√2, at 50 Hz;
2.5% of reading from ±1 kVpeak to ±140 kVpeak, at 50 Hz;
d.c. test sets
2.5% of reading from -90 kV to 90 kV |
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