5 Characteristics and Specifications
Product Characteristics
102 U1231A/U1232A/U1233A User’s Guide
Product Characteristics
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
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