User`s guide

VI U1273A/U1273AX User’s 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 this instrument.
Environmental conditions Requirements
Operating temperature
• U1273A: –20 °C to 55 °C, 0% to 80% RH
• U1273AX: –40 °C to 55 °C, 0% to 80% RH
(using Lithium batteries)
Operating humidity
Full accuracy up to 80% RH (relative
humidity) for temperature up to 30 °C,
decreasing linearly to 50% RH at 55 °C
Storage temperature –40 °C to 70 °C
Altitude Up to 3000 meters
Pollution degree Pollution degree II
NOTE
The U1273A/U1273AX Handheld Digital Multimeter complies with the following
safety and EMC requirements:
•Safety
• EN/IEC 61010-1:2001
• ANSI/UL 61010-1:2004
• CAN/CSA-C22.2 No. 61010-1-04
•EMC
• IEC61326-1:2005/EN61326-1:2006
• Canada: ICES/NMB-001: Issue 4, June 2006
• Australia/New Zealand: AS/NZS CISPR 11:2004