Datasheet

17 | Keysight | U1240 Series Handheld Digital Multimeters - Data Sheet
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U1240B Series Measuring Rate
Function Times/second
ACV 7
DCV (V or mV) 7
Ω 14
Diode 14
Capacitance 4 (< 100 μF)
DCA (μA, mA, A) 7
ACA (μA, mA, A) 7
Temperature 7 (single)
Frequency 1 (> 10 Hz)
U1240B Series General Specifications
Display
Dual display (secondary display is intended for temperature function display only) consists of 4-digit liquid
crystal display (LCD) with maximum reading of 11,000 counts. Automatic polarity indication.
Power consumption 0.22 VA maximum
Battery type and life Four single standard 1.5 V AAA batteries (Alkaline or Zinc Chloride type); 300 hours typical
Operating environment
Full accuracy at –10 to 55°C; and to 80% RH for temperatures up to 30°C, decreasing linearly to 50% RH
at 55°C
0 – 2000 meters per IEC 61010-1 3rd edition CAT III, 1000 V/CAT IV, 600 V IEC 61010-1 3rd edition
Storage compliance –20 to 70°C
Safety compliance
IEC 61010-1:2010 / EN 61010-1:2010, IEC 61010-2-033:2012 / EN 61010-2-033:2012
Canada: CAN/CSA-C22.2 No.61010-1-12, CAN/CSA-C22.2 No. 61010-2-033-12
USA: ANSI/UL Std. No. 61010-1 (3rd Edition), ANSI/UL Std. No. 61010-2-033 (1st Edition)
Measurement category CAT III 1000 V/CAT IV 600 V Overvoltage Protection, Pollution Degree 2
EMC compliance
Commercial limits compliance with EN61326-1
Influence of radiated immunity: In RF electromagnetic fields of 3 V/M
DC voltage measurement typical accuracy: 1000 mV to 1000 V range; ±0.2% of range
DC current measurement typical accuracy: 1000 uA & 10000uA range; ±0.7% of range
100 mA range; ±0.22% of range
440 mA range; ±0.5% of range
10 A range; ±0.11% of range
Note: If used in close proximity to an RF transmitter or when subjected to continuously present electro-
magnetic phenomena, some recoverable degradation of performance may occur.
Common mode rejection ratio (CMRR) > 90 dB at DC, 50/60 Hz ±0.1% (1 kΩ unbalanced)
Normal mode rejection ratio (NMRR) > 60 dB at 50/60 Hz ±0.1%
Crest factor < 3.0
Temperature coefficient 0.1 × (specified accuracy)/°C (from –10 to 18°C or 28 to 55°C)
Shock and vibration Tested to IEC/EN 60068-2
Dimensions (H x W x D) 193.8 x 92.2 x 58.0 mm
Weight
450 g with batteries
400 g without batteries
Warranty
Three years for main unit.
Three months for standard shipped accessories