8 Keysight U1251B and U1252B User’s and Service Guide
Environmental Conditions
This instrument is designed for indoor use and in an area with low condensation.
The table below shows the general environmental requirements for the
instrument.
Product Regulatory and Compliance
This U1251B and U1252B handheld multimeter complies with safety and EMC
requirements.
Refer to Declaration of Conformity at http://www.keysight.com/go/conformity for
the latest revision.
Environmental condition Requirement
Operating temperature Full accuracy at –20 °C to 55 °C
Operating humidity
Full accuracy to 80% RH for temperatures up to 35 °C, decreasing
linearly to 50% RH at 55 °C
Storage temperature –40 °C to 70 °C (with battery removed)
Altitude Up to 2000 m
Pollution degree Pollution Degree 2
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