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Environmental Conditions
This instrument is designed for indoor use and in areas with low condensation.
The table below shows the general environmental requirements for this
instrument.
Environmental conditions
Operating temperature
Operating humidity
Storage temperature
Altitude
Pollution degree
Product Regulatory and Compliance
This U1253B True RMS OLED Multimeter complies with safety and EMC
requirements.
Refer to Declaration of Conformity at
the latest revision.
Keysight U1253B User's and Service Guide
Requirements
Full accuracy from –20 °C to 55 °C
Full accuracy up to 80% R.H. (relative humidity) for
temperature up to 35 °C, decreasing linearly to 50% R.H.
at 55 °C
–40 °C to 70 °C (with battery removed)
Up to 2000 m
Pollution Degree 2
http://www.keysight.com/go/conformity
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