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U1270 Datasheet(PDF) 7 Page - Agilent(Hewlett-Packard) |
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U1270 Datasheet(HTML) 7 Page - Agilent(Hewlett-Packard) |
7 / 19 page 7 General Specifications Display Liquid crystal display (LCD) (with maximum reading of 33000 counts) Power consumption 460 mVA maximum (with backlight enabled) Battery Type • 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) Battery Life • 300 hours typical (based on new Alkaline batteries for dc voltage measurement) • Low battery indicator will flash when the battery voltage drops below 4.4 V (approximately) Fuse • 10 × 35 mm 440 mA/1000 V 30 kA fast-acting fuse • 10 × 38 mm 11 A/1000 V 30 kA fast-acting fuse Operating Environment • Operating temperature from –20 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 II Storage Compliance –40 to 70 °C, 0 to 80% RH Safety Compliance • CAN/CSA-C22.2 No. 61010-1-04 • EN/IEC 61010-1:2001 • ANSI/UL 61010-1:2004 Measurement Category CAT III 1000 V/ CAT IV 600 V Electromagnetic Compatibility (EMC) Commercial limits compliance with EN61326-1 Ingress Protection Rating IP-54 Temperature Coefficient 0.05 × (specified accuracy) / °C (from –20 to 18 °C, or 28 to 55 °C) Common Mode Rejection Ratio (CMRR) >120 dB at DC, 50/60 Hz ± 0.1% (1 kΩ unbalanced) Normal Mode Rejection Ration (NMRR) >60 dB at 50/60 Hz ± 0.1% Dimensions (W x H x D) 92 × 207 × 59 mm Weight • U1271A: 518 grams (with batteries) • U1272A: 520 grams (with batteries) Warranty • Three years for product • Three months for product’s accessories Calibration Cycle One year Specification Assumptions • Accuracy is given as ±(% of reading + counts of least significant digit) at 23 °C ± 5 °C, with relative humidity less than 80% RH. • AC V and AC μA/mA/A specifications are ac coupled, true RMS and are valid from 5% of range to 100% of range. • The crest factor may be up to 3.0 at full- scale except for the 1000 V range where it is 1.5 at full scale. • For non- sinusoidal waveforms, add (2% reading + 2% full scale) typical, for crest factors up to 3. • After Z LOW voltage measurements, wait at least 20 minutes for thermal impact to cool before proceeding with any other measurement. |
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