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DATA SHEET

U1250 Series Handheld

Digital Multimeters

Test more – more safely

Summary of content (14 pages)

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DATA SHEE T U1250 Series Handheld Digital Multimeters Test more – more safely
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Introduction The Keysight Technologies, Inc. U1250 Series handheld digital multimeters (DMMs) exceed your expectations by delivering powerful features and performance that meet your toughest requirements and applications. The series latest multimeters, the offering capabilities and functions you need. Key Benefits –– Superior contrast from organic LED (OLED) display1 –– 50,000-count dual display –– Up to 0.
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Take a Closer Look OLED display with approximately 160° viewing angle, and high contrast ratio of 2000:1 for crystal-clear viewing1 SHIFT key and one-stop function keys for easy access Broad range of measurement functions, including temperature and capacitance 50,000 count dual display with true-RMS reading capability 20 MHz frequency counter 2 Data logging to internal or external memory Programmable square-wave generator for stimulation of digital circuits 2 CAT III 1000 V and CAT IV 600 V overvoltag
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DC Specifications Function Range Voltage 1 Resistance 3 Resolution 50 2 – 0.05 + 500.00 mV 0.01 mV – 0.03 + 5 1000.0 mV 0.1 mV – 5.0000 V 0.0001 V – 50.000 V 0.001 V – 500.00 V 0.01 V – 1000.0 V 0.1 V – 500.00 Ω5 U1252B/U1253B 0.05 + 50 2 0.025 + 5 0.03 + 5 0.01 Ω 1.04 mA 0.08 +10 0.05 + 10 5.0000 kΩ 5 0.0001 kΩ 416 µA 0.08 + 5 0.05 + 5 50.000 kΩ 0.001 kΩ 41.2 µA 500.00 kΩ 0.01 kΩ 4.12 µA 5.0000 MΩ 0.0001 MΩ 375 nA 0.2 + 5 0.15 +5 0.
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U1251B AC voltage specifications Function Range Resolution Accuracy ± (% of reading + no. of least significant digit) Frequency True RMS Ac voltage 1, 2, 7 50.000 mV 0.001 mV 500.00 mV 0.01 mV 1000.0 mV 0.1 mV 5.0000 V 0.0001 V 50.000 V 0.001 V 500.00 V 0.01 V 1000.0 V 0.1 V 30 Hz ~ 45 Hz 45 Hz ~ 1 kHz 1 kHz ~ 5 kHz 5 kHz ~ 30 kHz 1.0+60 0.6+40 1.0+40 1.6+60 1.0+25 3.5+120 0.6+25 N/A 0.6+40 1.
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U1252B/U1253B AC current specifications Function Range Resolution Accuracy ± (% of reading + no. of least significant digit) Frequency True RMS AC current 2, 7 500.00 µA 3 0.01 µA 5000.0 µA 0.1 µA 50.000 mA 0.001 mA 440.00 mA 0.01 mA 5.0000 A 0.0001 A 10.000 A4 20 Hz ~ 45 Hz 45 Hz ~ 1 Khz 1 Khz ~ 20 Khz 6 20 Khz~100 Khz 6 1.0+20 0.7+20 0.75+20 5.0+80 8 1.5+20 1.5+20 5 3+60, <3 A/5 kHz N/A 0.
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U1251B/U1252B temperature specifications Thermocouple type Range Resolution Accuracy ºC ºF ºC ºF K –200 ~ 1372 ºC –328 ~ 2502 ºF 0.1 ºC/0.1 ºF 0.3% + 3 ºC 0.3% + 6 ºF J (for U1252A/U1252B) –210 ~ 1200 ºC –346 ~ 2192 ºF 0.1 ºC/0.1 ºF 0.3% + 3 ºC 0.3% + 6 ºF Resolution Accuracy U1253B temperature specifications 1 2 3 Thermocouple type Range K J ºC ºF ºC ºF –200 ~ –40 °C –104 ~ –40 °F 0.1 ºC/0.1 ºF 1% + 3 °C 1% + 5.4 °F –40 ~1372 °C –40 ~ 2502 °F 0.1 °C /0.
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Frequency specifications 5 Range Resolution Min. input frequency 1 Accuracy U1251B/2B U1253B 0.02%+3 9 0.02%+3, <600 kHz 99.999 Hz 0.001 Hz 0.02%+3 9 999.99 Hz 0.01 Hz 0.02%+3, <600 kHz 9.9999 kHz 0.0001 kHz 99.999 kHz 0.001 kHz 999.99 kHz 0.01 kHz 1 Hz U1251B frequency sensitivity during voltage measurement Frequency sensitivity and trigger level Input range 3 Minimum sensitivity (R.M.S.
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Peak hold Signal width Accuracy for DC mV/voltage/current Single event > 1 ms 2% + 400 for all ranges Repetitive > 250 µs 2% + 1000 for all ranges Duty cycle and pulse width 1 Function Mode Range Accuracy at full scale Duty cycle DC Coupling 0.01% ~ 99.99% 0.3% per kHz + 0.3% Pulse width 500 ms 0.01 ms 0.2% + 3 2000 ms 0.1 ms 0.2% + 3 1. The positive or negative pulse width must be greater than 10 µs, and the duty cycle range should be considered.
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Display rate Manual and interval data logging Maximum data points 5 7 Logging type U1251B U1252B U1253B ACV + dB 7 Manual 100 100 100 DCV 7 Interval 200 200 1000 AC + DC V 2 Ω/nS 14 Diode 14 Capacitance 4 (< 100 µF) dB Base Reference Default reference DCI 7 1 mΩ (dBm) 1-9999 Ω 50 Ω ACI 7 1 V (dBV) 1V 1V AC + DC I 2 Temperature 6 Frequency 1 (>10 Hz) Duty cycle/pulse width 0.5 (>10 Hz) Function Times/second ACV 1. 2. 3. 4. 5. 6.
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General Specifications Display Both primary and secondary displays are 5-digit on the LCD display. Both the primary and secondary displays offer a maximum resolution of 50,000 counts. Automatic polarity indication. Connectivity IR to USB Power consumption 105 mVA/420 mVA (with backlight) maximum (U1251B) 165 mVA/480 mVA (with backlight) maximum (U1252B) 420 mVA maximum (U1253B) Battery type 9 V alkaline battery (ANSI/NEDA 1604A or IEC 6LR61) 9 V carbon-zinc battery (ANSI/NEDA 1604D or IEC6F22) 7.2 V or 8.
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Ordering Information U1251B U1252B U1253B Standard shipped accessories Description Applicable Models U1251B U1252B U1253B Alligator clips    SMT grabbers – – – Fine-tip test probes – – – Test probe leads (4-mm)    Mini grabber – – – Alkaline 9 V battery  – – Rechargeable Ni-MH battery with power adapter –   Soft carrying case – – – Certificate of calibration    Test Report    Quick Start Guide    Optional Accessories Measuring accessories
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Optional Accessories (continued) Measuring accessories (non-temperature, continued) U1168A standard test lead kit U1169A test probe leads Includes two test leads (red and black), 19-mm and 4-mm test probes, alligator clips, fine-tip test probes, SMT grabbers and mini grabber (black). Includes two test leads (red and black), and a pair each of 19-mm and 4-mm test probes.
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Measuring accessories (temperature, continued) U1186A K-type thermocouple and adapter –– T/C adapter J/K-type –– T/C bead J-type: –20 °C to 200 °C Cable Carrying case U1173A IR-to-USB cable U1172A transit case (aluminium-clad) –– For remote control and data logging to PC –– Max.