Keysight U1253B User’s and Service Guide 7
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 Requirements
Operating temperature Full accuracy from –20 °C to 55 °C
Operating humidity
Full accuracy up to 80% R.H. (relative humidity) for
temperature up to 35 °C, decreasing linearly to 50% R.H.
at 55 °C
Storage temperature –40 °C to 70 °C (with battery removed)
Altitude Up to 2000 m
Pollution degree Pollution Degree 2
The U1253B True RMS OLED Multimeter complies with the following safety and
EMC requirements.
– IEC 61010-1:2001/EN61010-1:2001 (2nd Edition)
– Canada: CAN/CSA-C22.2 No. 61010-1-04
– USA: ANSI/UL 61010-1:2004
– IEC61326-1:2005 / EN61326-1:2006
– Canada: ICES/NMB-001:Issue 4,June 2006
– Australia/New Zealand: AS/NZS CISPR11:2004
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