Environmental Conditions
N O T E
VI
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
Operating temperature
Operating humidity
Storage temperature
Altitude
Pollution degree
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
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
U1273A/U1273AX User's Guide