User`s guide

Table Of Contents
5 Characteristics and Specifications
Product Characteristics
102 U1231A/U1232A/U1233A User’s Guide
Product Characteristics
NOTE
Product characteristics specified in the table below are applicable for both
U1231A, U1232A, and U1233A models unless stated otherwise.
POWER SUPPLY
Battery type:
4 × 1.5 V AAA Alkaline battery (ANSI/NEDA 24A or IEC LR03), or
4 × 1.5 V AAA Zinc Chloride battery (ANSI/NEDA 24D or IEC R03)
Battery life:
500 hours typical (based on new Alkaline batteries (1000 mAH) for DC
voltage measurement, with backlight and flashlight disabled)
Low battery indicator will flash when the battery voltage drops below 4.4 V
(approximately)
POWER CONSUMPTION
450 mVA maximum (with backlight and flashlight enabled)
FUSE
10 × 38 mm 11 A/1000 V fast-acting fuse
DISPLAY
Liquid crystal display (LCD) (with maximum reading of 6600 counts)
FLASHLIGHT
Cool white LED (5500 K typical); luminous intensity from 2240 mcd to 5600 mcd
OPERATING ENVIRONMENT
Operating temperature from –10 °C to 55 °C, 0% to 80% RH
Full accuracy up to 80% RH for temperatures up to 30 °C, decreasing linearly
to 50% RH at 55 °C
Altitude up to 2000 meters
Pollution degree 2
STORAGE COMPLIANCE
–40 °C to 60 °C, 0% to 80% RH without batteries
SAFETY COMPLIANCE
IEC 61010:1-2010/EN 61010-1:2010
USA: UL 61010-1 (3rd Edition)
Canada: CSA C22.2 No. 61010-1:2012