UL 61010-031:2020

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Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use – Part 031: Safety requirements for hand-held probe assemblies for electrical measurement and test

Published By	Publication Date	Number of Pages
UL	2020-01-07	109

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Category: UL

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Description

1 Scope

1 Probe assemblies included in scope

This part of IEC 61010 specifies safety requirements for hand-held and hand-manipulated probe assemblies of the types described below, and their related accessories. These probe assemblies are for direct electrical connection between a part and electrical test and measurement equipment. They may be fixed to the equipment or be detachable accessories for the equipment.

a) Type A: low-voltage and high-voltage, non-attenuating probe assemblies. Non-attenuating probe assemblies that are

RATED

for direct connection to voltages exceeding 30 V r.m.s., 42,4 V peak, or 60 V

d.c.,

but not exceeding 63 kV. They do not incorporate components which are intended to provide a voltage divider function or a signal conditioning function, but they may contain non-attenuating components such as fuses (see .)

b) Type B: high-voltage attenuating or divider probe assemblies. Attenuating or divider probe assemblies that are

RATED

for direct connection to secondary voltages exceeding 1 kV r.m.s. or 1,5 kV d.c. but not exceeding 63 kV r.m.s. or d.c. The divider function may be carried out wholly within the probe assembly, or partly within the test or measurement equipment to be used with the probe assembly (see ).

c) Type C: low-voltage attenuating or divider probe assemblies. Attenuating or divider probe assemblies for direct connection to voltages not exceeding 1 kV r.m.s. or 1,5 kV d.c. The signal conditioning function may be carried out wholly within the probe assembly, or partly within the test or measurement equipment intended to be used with the probe assembly (see ).

d) Type D: low-voltage attenuating, non-attenuating or other signal conditioning probe assemblies, that are

RATED

for direct connection only to voltages not exceeding 30 V r.m.s., or 42,4 V peak, or 60 V d.c., and are suitable for currents exceeding 8 A (see ).

Key

1 typical

CONNECTORS

4 to equipment

PROBE TIP

SPRING-LOADED CLIP

3 probe body

PROBE WIRE

Figure 1 Examples of type A probe assemblies