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 this
instrument.
Environmental cond itions
Operating temperature
Operating humidity
Storage temperature
Altitude
Pollution degree
NOTE
Keysight U1273A/U1273AX User's Guide
The U1273A/U1273AX Handheld Digital Multimeter complies with the
following safety and EMC requirements:
– Safety
– EN/IEC 61010-1
– UL Std. No. 61010-1/61010-2-033
– CAN/CSA-C22.2 No. 61010-1/61010-2-033
– EMC
– IEC61326-1/EN61326-1
– Canada: ICES/NMB-001
– Australia/New Zealand: AS/NZS CISPR 11
Refer to Declaration of Conformity for current revisions. Go to
www.keysight.com/go/conformity
Requirements
– U1273A: –20 °C to 55 °C, 0% to 80% RH
– U1273AX: –40 °C to 55 °C, 0% to 80% RH (using Lithium
batteries)
Full accuracy up to 80% RH (relative humidity) for
temperature up to 30 °C, decreasing linearly to 50% RH at
55 °C
–40 °C to 70 °C
Up to 3000 meters
Pollution degree II
for more information.
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