Keysight U1251B Guia Del Usuario página 8

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