Time-electronics 1048 Voltage-Current-Loop Calibrator Bedienungsanleitung PDF herunterladen (Seite 15)

V1.2 30/12/10 Page | 15 1048 Technical Manual

7. Maintenance

7.1. Recalibration

Calibration equipment required:

A) A precision DC voltage calibrator with an accuracy of 0.01% or better. Examples of

suitable instruments are Time Electronics’ 1017, 5018, 5025 or 5051.

B) DMM with accuracy of 0.01% or better. Examples of suitable instruments are Time

Electronics’ 5075, or 5065.

Note: It is advisable to use leads with low thermal emf connections. This will ensure that

stray thermal emfs do not cause errors when calibrating the low voltage range (.22V) which

has a setting resolution of 10uV.

The unit connected to a Time

Electronics’ 1017 Precision

0.005% DC V & I calibrator.

The unit connected to a Time

Electronics 5065 6.5 digit

Precision DMM

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Time-electronics 1048 Voltage-Current-Loop Calibrator Bedienungsanleitung Seite 15