U1272A Datasheet, PDF (8/22 Pages) Keysight Technologies – U1270 Series Handheld Digital Multimeters

8 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet
General Specifications
Display
Power consumption
Battery type
Battery life
Fuse
Input impedance at off mode
Operating environment
Storage compliance
Safety compliance
Measurement category
Electromagnetic compatibility (EMC)
Ingress protection rating
Temperature coefficient
Common Mode Rejection Ratio (CMRR)
Normal Mode Rejection Ration (NMRR)
Dimensions (W x H x D)
Weight
Warranty
Calibration cycle
U1271A and U1272A: Liquid crystal display (LCD) (with maximum reading of 33,000 counts)
U1273A/U1273AX: Organic LED (OLED) display (with maximum reading of 33,000 counts)
U1271A/U1272A: 460 mVA maximum (with backlight enabled)
U1273A/U1273AX: 180 mVA maximum (with maximum brightness)
4 × 1.5 V Alkaline battery (ANSI/NEDA 24A or IEC LR03), or
4 × 1.5 V Zinc Chloride battery (ANSI/NEDA 24D or IEC R03)
4 × 1.5 V Lithium battery (ANSI/NEDA 24LF or IEC FR03)
U1271A and U1272A: 300 hours typical (based on new Alkaline batteries for DC voltage measurement)
U1273A/U1273AX:
Based on new Alkaline batteries for DC voltage measurement:
30/45/60 hours typical at High/Medium/Low brightness, respectively
Based on new Lithium batteries for DC voltage measurement:
50/100 hours typical at High/Low brightness, respectively
Low battery indicator will flash when the battery voltage drops:
For non-rechargeable batteries: 4.4 V (approximately)
For rechargeable batteries: 4.5 V (approximately)
10 × 35 mm 440 mA/1000 V 30 kA fast-acting fuse
10 × 38 mm 11 A/1000 V 30 kA fast-acting fuse
1.67 kΩ (protected by positive temperature coefficient resistor)
(U1272A, U1273A and U1273AX only)
Operating temperature:
U1271A/ U1272A/U1273A: –20 to 55 °C, 0% to 80% RH
U1273AX: –40 to 55 °C, 0% to 80% RH (using Lithium batteries)
Full accuracy up to 80% RH for temperatures up to 30 °C, decreasing linearly to
50% RH at 55 °C
Altitude up to 3000 meters
Pollution degree II
–40 to 70 °C, 0 to 80% RH
CAN/CSA-C22.2 No. 61010-1-04
EN/IEC 61010-1:2001
ANSI/UL 61010-1:2004
CAT III 1000 V/CAT IV 600 V
Commercial limits compliance with EN61326-1
IP-54
U1271A/U1272A/U1273A: 0.05 × (specified accuracy)/°C (from –20 to 18 °C, or 28 to 55 °C)
U1273AX: 0.05 x (specified accuracy/ °C (from –40 to 18 °C, or 28 to 55 °C)
> 120 dB at DC, 50/60 Hz ± 0.1% (1 kΩ unbalanced)
> 60 dB at 50/60 Hz ± 0.1%
92 × 207 × 59 mm
U1271A: 518 grams (with batteries)
U1272A: 520 grams (with batteries)
U1273A: 500 grams (with batteries)
U1273AX: 500 grams (with batteries)
Three years for product
Three months for product’s accessories
One year