Characteristics and Specifications 5
Product Characteristics
U1271A/U1272A User’s Guide 155
MEASUREMENT CATEGORY
CAT III 1000 V/CAT IV 600 V
ELECTROMAGNETIC COMPATIBILITY (EMC)
Commercial limits compliance with EN61326-1
IP RATING
IP-54
TEMPERATURE COEFFICIENT
0.05 × (specified accuracy) / °C (from –20 °C to 18 °C, or 28 °C to 55 °C)
COMMON MODE REJECTION RATIO (CMRR)
>120 dB at DC, 50/60 Hz ± 0.1% (1 kΩ unbalanced)
NORMAL MODE REJECTION RATIO (NMRR)
>60 dB at 50/60 Hz ± 0.1%
DIMENSIONS (W × H × D)
92 × 207 × 59 mm
WEIGHT
• U1271A: 518 grams (with batteries)
• U1272A: 520 grams (with batteries)
WARRANTY
Please refer to http://www.keysight.com/go/warranty_terms
• Three years for the product
• Three months for the product’s standard accessories, unless otherwise
specified
• Please take note that for the product, the warranty does not cover:
• Damage from contamination
• Normal wear and tear of mechanical components
• Manuals, fuses, and standard disposable batteries
CALIBRATION CYCLE
One year
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