8
IM701944-01E
Environmental Specifications
Altitude
Operating: Up to 2000 m
Storage:
Up to 15000 m
Temperature
Operating: 0 °C to 50 °C
Storage:
–40 °C to 71 °C
Maximum Relative Humidity
Operating: Relative humidity of 80% at a temperature
of up to 31 °C, decreasing linearly to relative
humidity of 40% at 50 °C if the temperature is
31 °C or higher.
Compliant Standards
Safety Standards
EN 61010-031
Measurement Category “O”
1
1000 Vrms, 4000 V transient
over-voltage
Measurement Category II
1
1000 Vrms
Pollution Degree 2
2
Environmental Standards
2
EU RoHS Directive compliant
1 The product is for measurement category II (CAT II). Do not use it with measurement category III
(CAT III), nor measurement category IV (CAT IV). When using devices or accessories with different
measurement categories, the lower measurement category applies. See below for definitions of
measurement categories.
2 Pollution degree refers to the degree of adhesion of a solid, liquid, or gas which deteriorates
withstand voltage or surface resistivity. Pollution Degree 2 applies to normal indoor atmospheres
(usually with only non-conductive pollution).
3 For conformity to environmental regulations and/or standards other than EU, contact your nearest
Yokogawa office (PIM 113-01Z2).
Definitions of Measurement Categories
Measurement Category “O” (Other)
It applies to measurement of a circuit that is not
connected directly to the main power source.
Measurement Category II (CAT II)
It applies to measurement of electrical equipment
that is powered through a fixed installation such
as a wall outlet wired to a distribution board and
measurement on such wiring.
Measurement Category III (CAT III)
It applies to measurement at the distribution level,
that is, building wiring, fixed installations.
Measurement Category IV (CAT IV)
It applies to measurement at the primary supply
level, that is, overhead lines, cable systems.