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PAO Accredited Laboratories (as of Dec. 2012) - DTI

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Products/<br />

Cl<strong>as</strong>s <strong>of</strong> Test<br />

Me<strong>as</strong>ured<br />

quantities/<br />

instrument<br />

Range to be<br />

calibrated<br />

302 <strong>of</strong> 391<br />

Best<br />

me<strong>as</strong>urement<br />

capability<br />

expressed <strong>as</strong> an<br />

uncertainty ()*<br />

Standard Method/<br />

Reference Standard<br />

Insulation Up to 100MΩ 0.01% In-House / On-Site<br />

Calibration<br />

SSS-CP-026<br />

DC clampmeter Up to 1000A 1.0%<br />

AC clampmeter<br />

Up to 1000A<br />

1.0%<br />

(By direct comparison)<br />

In-House / On-Site<br />

Calibration<br />

SSS-CP-041<br />

(By direct comparison)<br />

5.35 Indicating and recording instruments (Digital Multimeters up to 6 ½ digit)<br />

.01 D.C.<br />

voltmeters<br />

DC voltmeters 100mV<br />

± 0.00129mV<br />

In-House / On-Site<br />

1V ± 0.0000064V Calibration<br />

10V ± 0.000042V SSS-CP-055<br />

100V ± 0.000598V (By Direct Comparison)<br />

1000V ± 0.0077V<br />

.02 A.C.<br />

voltmeters<br />

AC voltmeters 100mV ± 0.00011mV In-House / On-Site<br />

1V ± 0.0000588V Calibration<br />

10V ± 0.001176V SSS-CP-055<br />

100V ± 0.00647V (By Direct Comparison)<br />

750V ± 0.0578V<br />

.03 D.C. ammeters DC ammeters<br />

10mA ± 0.000392mA In-House / On-Site<br />

100mA<br />

1A<br />

± 0.00500mA<br />

± 0.0000980A<br />

Calibration<br />

SSS-CP-055<br />

(By Direct Comparison)<br />

.04 A.C. ammeters AC ammeters 1A ± 0.0023520A In-House / On-Site<br />

Calibration<br />

SSS-CP-005<br />

(By Direct Comparison)<br />

.09 Ohmmeters Ohmmeters 100Ω ± 0.000559Ω In-House / On-Site<br />

1kΩ ± 0.0000056kΩ Calibration<br />

10kΩ ± 0.000034kΩ SSS-CP-055<br />

100kΩ ± 0.00056kΩ (By Direct Comparison)<br />

1MΩ ± 0.0000098MΩ<br />

10MΩ ± 0.000167MΩ<br />

.17 Other<br />

Frequency Up to 1MHz ± 0.00024MHz In-House / On-Site<br />

instruments<br />

Calibration<br />

Capacitance Up to 100µF ± 1%<br />

SSS-CP-005<br />

(By Direct Comparison)<br />

5.38 Waveform me<strong>as</strong>uring instruments<br />

.05 Other Oscilloscope In-House / On-Site<br />

characteristics Vertical deflection 4mV 0.063mV Calibration<br />

8mV 0.127mV SSS-CP-022<br />

20mV 0.316mV (By Direct Comparison)<br />

40mV 0.633mV<br />

80mV 1.265mV<br />

200mV 3.163mV<br />

400mV 6.326mV<br />

800mV 12.652mV<br />

2V 0.032V<br />

4V 0.063V<br />

8V 0.127V<br />

20V 0.316V<br />

Horizontal 5s 0.051s<br />

deflection 2s 0.021s<br />

1s 0.010s<br />

500ms 5.218ms<br />

200ms 2.088ms<br />

100ms 1.043ms<br />

50ms 0.522ms<br />

20ms 0.209ms

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