Specifications
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
4-7
Table 4- 7: Certifications and compliances (cont.)
Category Standards or description
Additional Compliance UL 61010B-1 Safety requirements for electrical equipment for measuring,
controlling and laboratory use.
IEC61010-1/A2: 1995 Safety requirements for electrical equipment for measurement,
control, and laboratory use.
IEC 61010-2-032:1995 Particul ar requirements for hand-held current clamps for electrical
measurement and t est.
IEC 61010-1:2001 Safety requirements for electrical equipment for measurement
control and laboratory use.
Installation (Overvoltage)
Category Descript ions
Termi nals on this product may have different installation (overvoltage) category designations. The
installation categories are:
CAT III Distribution-level mai ns (usually permanently connected). Equipment at this level is
typically in a fixed industrial location.
CAT II Local-level mains (wall sockets). Equipment at this level includes appliances, portable
tools, and similar products. Equipment is usually cord-connected.
CAT I Secondary (signal level) or battery operated circuits of electronic equipment.
Pollution Degree Descri ptions A measure of the contaminates that could occur in the environment around and within a product.
Typically the internal environment inside a product is considered to be the same as the external.
Products shoul d be used only in the environment for which they are rated.
Pollution Degree 1 No pollution or only dry, nonconductive pollution occurs. Products in
this category are generally encapsulated, hermetically sealed, or
located in c lean rooms.
Pollution Degree 2 Normally only dry, nonconductive pollution occurs. Occasionally a
temporary conduct ivity that is caused by condensation must be
expected. This location is a typical office/home environment.
Tem porary condensation occurs only when the product is out of
service.
Pollution Degree 3 Conductive pollution, or dry, nonconductive pollution that becomes
conductive due t o condensati on. These are sheltered l ocations
where neit her temperature nor humidity is controlled. The area is
protected from di rect sunshine, rain, or direct wind.
Pollution Degree 4 Polluti on that generates persistent conductivity through conductive
dust, rain, or snow. Typical outdoor locations.
Equipment Type Test and measuring
Safety Class Class 1 (as defined in IEC 61010-1, Annex H) -- grounded product
Overvoltage Category Overvoltage Category II (as defined in IEC 61010-1, Annex J)
Pollution Degree Polluti on Degree 2 (as defined in IEC 61010-1). Note: Rated for indoor use only.
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