U1272A

U1272A KEYSIGHT | Alldatasheet

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Technical content

Operational down to –40 °C temperature The U1273AX OLED handheld digital multimeter, the latest addition to U1270 Series, is capable of operating in winter weather down to –40°C temperature. Even in frigid conditions, the U1273AX enables you to achieve immediate and accurate results without the need to warm up in advance. OLED for more display clarity Designed with OLED display, you can ex - perience crystal-clear measurement read - ings with its outstanding 2000:1 contrast ratio. The display also allows wider viewing angles up to 160 degrees ensuring you get the right readings at the first glance even in poorly lit environments. Increase productivity with Blue- tooth® wireless connectivity For wireless connectivity to smartphones and tablets, the U1270 Series is compat - ible with the U1177A infrared-to-Bluetooth adapter for maximum efficiency and productivity in completing measure - ments tasks. Adding the optional U1177A to a U1270 Series you can easily perform remote monitoring and data logging via Android devices or Windows- based PC.

Features

– OLED display with 2000:1 contrast ratio and 160 degrees viewing angle 3,4 – 30,000-count resolution – Measure up to 1000 V AC and DC – Measure up to 10 A (20 A for 30 s) – Resistance, diode test, temperature, capacitance – Low Impedance mode 2,3,4 and Low Pass Filter – Peak detection of up to 250 µs – Continuity test with beeper and back - light1,2 – Seven readings/s measurement rate for voltage and current – Smooth function for accurately stable readings – Up to 10,000 points internal memory for data logging – Bluetooth wireless connectivity with optional U1177A Bluetooth – PC connectivity with optional U1173A IR-USB cable – IP 54 certified – water and dust resis - tant – CAT III 1000 V, CAT IV 600 V safety rating – Up to 3000m operating altitude – –40 to 55 °C operating temperature 4 1. U1271A 2. U1272A 3. U1273A 4. U1273AX Be Ready for Winter 2 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

protect against water, dust and damage. form real time data logging on a PC. Figure 1. Comparison of voltage output from industrial motor VFD without and with Low Pass Filter functionality.

Figure 2. U1272A helps you identify the presence of stray voltage on a disconnected wire running parallel with the wire powering up the VFD to an industrial motor. The image on the right shows the U1272A in low impedance mode. efficiency during voltage measurement.

Front and Back Panel Description OLED display with 2000:1 contrast ratio and 160 degree viewing angle Smart Ω 1 removes residual voltage of up to 1000 mV Auto diode 1 automatically determines diode polarity Temperature measurement: J type thermocouple –210 to 1200 °C 1, K type ther- mocouple –200 to 1732 °C ZLOW 1 provides both high and low impedance modes to eliminate stray voltages Measure up to

1000 V AC and DC

Low Pass Filter (LPF) removes unwanted high frequency signals Measure up to 10 A (20 A for 30 s) Front panel 1. U1272A, U1273A and U1273AX only 30,000 counts resolution Peak detect records tran- sients as fast as 250 μs Once connected to any HH DMM via Bluetooth adapter you are able to log and view measurements graphically from smart phones and tablets. 5 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Front and Back Panel Description Back panel Probe holder/storage IR-USB connectivity with optional IR-USB cable Hang hole Slim, ergonomic design for better grip Easy fuse and battery access from battery cover beneath the stand 6 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Choose Among These Four Models U1271A U1272A U1273A U1273AX Basic Features Display resolution 30,000 counts 30,000 counts 30,000 counts 30,000 counts Display LCD LCD OLED OLED Backlight Yes Yes N/A N/A True RMS AC AC + DC AC + DC AC + DC Measurements Voltage Up to 1000 V AC, DC Up to 1000 V AC, DC Up to 1000 V AC, DC Up to 1000 V AC, DC Basic dcV accuracy 0.05% + 2 counts 0.05% + 2 counts 0.05% + 2 counts 0.05% + 2 counts Current Up to 10 A (20 A for 30 s) Up to 10 A (20 A for 30 s) Up to 10 A (20 A for 30 s) Up to 10 A (20 A for 30 s) Resistance Up to 100 MΩ Up to 300 MΩ Up to 300 MΩ Up to 300 MΩ Other measurements Frequency, capacitance, temperature, continuity, diode test Frequency, capacitance, temperature, continuity, diode test Frequency, capacitance, temperature, continuity, diode test Frequency, capacitance, temperature, continuity, diode test AC bandwidth 20 kHz 100 kHz 100 kHz 100 kHz Low pass filter Yes Yes Yes Yes Low impedance mode — Yes Yes Yes Smart Ohm — Yes Yes Yes Safety and Regulatory Over-voltage safety protection CAT III 1000 V, CAT IV 600 V CAT III 1000 V, CAT IV 600 V CAT III 1000 V, CAT IV 600 V CAT III 1000 V, CAT IV 600 V General Logging memory 200 points 10,000 points 10,000 points 10,000 points Connectivity Optional IR-USB and Bluetooth Optional IR-USB and Bluetooth Optional IR-USB and Bluetooth Optional IR-USB and Bluetooth Operating temperature –20 to 55 °C –20 to 55 °C –20 to 55 °C –40 to 55 °C Altitude 3000 meters 3000 meters 3000 meters 3000 meters Water and dust ingress protection IP 54 IP 54 IP 54 IP 54 Battery life Up to 300 hours 4X AAA Alkaline Up to 300 hours 4X AAA Alkaline Up to 60 hours 4X AAA Alkaline Up to 100 hours 4X AAA Lithium Warranty 3 years 3 years 3 years 3 years 7 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Display 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) Power consumption U1271A/U1272A: 460 mVA maximum (with backlight enabled) U1273A/U1273AX: 180 mVA maximum (with maximum brightness) 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) 4 × 1.5 V Lithium battery (ANSI/NEDA 24LF or IEC FR03) Battery life U1271A and U1272A: 300 hours typical (based on new Alkaline batteries for DC voltage measurement) U1273A /U1273A X: 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) 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 Input impedance at off mode 1.67 kΩ (protected by positive temperature coefficient resistor) (U1272A, U1273A and U1273AX only) Operating environment 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 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 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) 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) U1273A: 500 grams (with batteries) U1273AX: 500 grams (with batteries) Warranty Three years for product Three months for product’s accessories Calibration cycle One year 8 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

– 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 ZLOW voltage measurements, wait at least 20 minutes for thermal impact to cool before proceeding with any other measurement. 9 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

DC specifications for U1271A, U1272A, U1273A and U1273AX Function Range Resolution Accuracy ± (% of reading + counts of least significant digit) Test current/ Burden voltage U1271A U1272A U1273A/U1273AX Voltage1 30 mV 0.001 mV — 0.05 + 20 0.05 + 20 — 300 mV 0.01 mV 0.05 + 5 0.05 + 5 0.05 + 5 — 3 V 0.0001 V 0.05 + 5 0.05 + 5 0.05 + 5 — 30 V 0.001 V 0.05 + 2 0.05 + 2 0.05 + 2 — 300 V 0.01 V 0.05 + 2 0.05 + 2 0.05 + 2 — 1000 V 0.1 V 0.05 + 2 0.05 + 2 0.05 + 2 — ZLOW (low input impedance) enabled, ap- plicable for

1000 V range

0.1 V — 1 + 20 1 + 20 —

30 Ω 0.001 Ω — 0.2 + 10 0.2 + 10 0.65 mA 3 kΩ 0.0001 kΩ 0.2 + 5 0.2 + 5 0.2 + 5 65 µA 3 MΩ 0.0001 MΩ 0.6 + 5 0.6 + 5 0.6 + 5 93 nA/10 MΩ 30 MΩ 0.001 MΩ 1.2 + 5 1.2 + 5 1.2 + 5 93 nA/10 MΩ 100 MΩ 0.01 MΩ 2.0 +10 — — 93 nA/10 MΩ 300 MΩ 0.01 MΩ — 2.0 + 10 @ < 100 MΩ 8.0 + 10 @ > 100 MΩ 2.0 + 10 @ < 100 MΩ 8.0 + 10 @ > 100 MΩ 93 nA/10 MΩ 300 nS 0.01 nS 1 + 10 1 + 10 1 + 10 93 nA/10 MΩ Current3 Diode Test4 3 V 0.0001 V 0.5 + 5 0.5 + 5 0.5 + 5 Approximately 1 to 2 mA Auto 0.0001 V — 0.5 + 5 0.5 + 5 Approximately 0.1 to 0.3 mA See notes on next page. 10 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Notes for DC specifications (previous page) 1. Notes for voltage specifications: – The accuracy of the 30 to 300 mV range is specified after the Null function is used to subtract the thermal effect (by shorting the test leads). – For ZLOW measurements, autoranging is disabled and the multimeter’s range is set to 1000 volts in the manual ranging mode. 2. Notes for resistance specifications: – Overload protection: 1000 Vrms for short circuits with < 0.3 A current. – Maximum open voltage is < +3.3 V. – Built-in buzzer beeps when the resistance measured is less than 25 Ω ± 10 Ω. The multimeter can capture intermittent measure - ments longer than 1 ms. – The accuracy of the 300 Ω to 3 kΩ range is specified after the Null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads). – U1273AX only: The accuracy for all resistance ranges is specified after the Null function is used when measuring at temperatures below –20 °C. The Null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads). – For the ranges of 30 MΩ and 100 MΩ, the RH is specified for < 60%. – The accuracy for ranges < 50 nS is specified after the Null function is used on an open test lead. – The temperature coefficient of the 100 MΩ and 300 MΩ range is 0.1 × (specified accuracy)/°C (from –40 to 18 °C or 28 to 55 °C). 3. Notes for current specifications: – Overload protection for 300 μA to 300 mA range: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse. – Overload protection for 3 A to 10 A range: 11 A/1000 V; 10 × 38 mm 30 kA fast-acting fuse. – Specification for 300 mA range: 440 mA continuous. – Specification for 10 A range: 10 A continuous. Add 0.3% to the specified accuracy when measuring signals > 10 to 20 A for 30 seconds maximum. After measuring currents > 10 A, cool down the multimeter for twice the duration of the measured time before proceeding with low current measurements. 4. Notes for diode specifications: – Overload protection: 1000 Vrms for short circuits with < 0.3 A current. – Built-in buzzer beeps continuously when the voltage measured is less than 50 mV and beeps once for forward-biased diode or – Open voltage for diode: < +3.3 V DC. – Open voltage for Auto diode: < +2.5 V DC and > –1.0 V DC. 11 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

AC specifications for U1271A Function Range Resolution Accuracy ± (% of reading + counts of least significant digit)

45 Hz to

30 Hz to

300 V 0.01 V 0.7 + 20 1.0 + 25 2.0 + 25 — 1000 V 0.1 V 0.7 + 20 1.0 + 25 — — LPF (low pass filter) enabled, applicable for all voltage ranges and resolution 0.7 + 20 1.0 + 25 @ < 200 Hz Function Range Resolution Accuracy ± (% of reading + counts of least significant digit) Burden voltage/Shunt

45 Hz to 2 kHz

300 µA 0.01 µA 0.9 + 25 < 0.04 V/100 Ω 3000 µA 0.1 µ A 0.9 + 25 < 0.4 V/100 Ω 30 mA 0.001 mA 0.9 + 25 < 0.08 V/1 Ω 300 mA 0.01 mA 0.9 + 25 < 1.00 V/1 Ω 3 A 0.0001 A 1.0 + 25 < 0.1 V/0.01 Ω 10 A 0.001 A 1.0 + 25 < 0.3 V/0.01 Ω 1. Notes for voltage specifications: - Overload protection: 1000 Vrms. For millivolt measurements, 1000 Vrms for short circuits with < 0.3 A current. - Input impedance: 10 MΩ (nominal) in parallel with < 100 pF. 2. Notes for current specifications: - Overload protection for 300 μA to 300 mA range: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse. - Overload protection for 3 A to 10 A range: 11 A/1000 V; 10 × 38 mm 30 kA fast-acting fuse. - Specification for 300 mA range: 440 mA continuous. - Specification for 10 A range: 10 A continuous. Add 0.3% to the specified accuracy when measuring signals > 10 to 20 A for 30 seconds maximum. After measuring currents > 10 A, cool down the multimeter for twice the duration of the measured time before proceeding with low current measurements. 12 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

AC specifications for U1272A/U1273A and U1273AX Function Range Resolution Accuracy ± (% of reading + counts of least significant digit)

20 Hz to

1000 V 0.1 V 0.6 + 20 1.0 + 25 1.5 + 25 — — LPF (low pass filter) enabled, applicable for all voltage ranges and resolution 0.6 + 20 1.0 + 25 @ < 200 Hz 5.0 + 25 @ < 440 Hz — — — ZLOW 1000 V 2.0 + 40 2 + 40 @ < 440 Hz — — — Function Range Resolution Accuracy ± (% of reading + counts of least significant digit) Burden voltage/Shunt

45 Hz to 65 Hz 20 Hz to 2 kHz

300 µA 0.01 µA 0.6 + 25 0.9 + 25 < 0.04 V/100 Ω 3000 µA 0.1 µ A 0.6 + 25 0.9 + 25 < 0.4 V/100 Ω 30 mA 0.001 mA 0.6 + 25 0.9 + 25 < 0.08 V/1 Ω 300 mA 0.01 mA 0.6 + 25 0.9 + 25 < 1.00 V/1 Ω 1. Notes for voltage specifications: - Overload protection: 1000 Vrms. For millivolt measurements, 1000 Vrms for short circuits with < 0.3 A current. - Input impedance: 10 MΩ (nominal) in parallel with < 100 pF. - ZLOW impedance: 2 kΩ (nominal). - The input signal is lower than the product of 20,000,000 V×Hz. - For 20 to 100 kHz accuracy: Three counts of the LSD per kHz of additional error is to be added for frequencies > 20 kHz and signal inputs < 10% of range. - U1273AX only: For all AC voltage ranges, the accuracy is specified at 2.5% + 25 counts when measuring below –20 °C for 20 to 45 Hz AC signals. 2. Notes for current specifications: - Overload protection for 300 μA to 300 mA range: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse. - Overload protection for 3 A to 10 A range: 11 A/1000 V; 10 × 38 mm 30 kA fast-acting fuse. - Specification for 300 mA range: 440 mA continuous. - Specification for 10 A range: 10 A continuous. Add 0.3% to the specified accuracy when measuring signals > 10 to 20 A for 30 seconds maximum. After measuring currents > 10 A, cool down the multimeter for twice the duration of the measured time before proceeding with low current measurements. - U1273AX only: The accuracy for the 300 μA range, 3000 μA range, and 30 mA is specified after the Null function is used when measuring at temperatures below –20 °C. The Null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads). - U1273AX only: For all AC current ranges, the accuracy is specified at 2.5% + 25 counts when measuring below –20 °C for 20 to 45 Hz AC signals. 13 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

AC + DC specifications for U1272A/U1273A and U1273AX Function Range Resolution Accuracy ± (% of reading + counts of least significant digit) 1000 V 0.1 V 0.7 + 25 1.1 + 30 1.6 + 30 — — Function Range Resolution Accuracy ± (% of reading + counts of least significant digit) Burden voltage/Shunt 300 µA 0.01 µA 0.8 + 30 1.1 + 30 < 0.04 V/100 Ω 3000 µA 0.1 µ A 0.8 + 30 1.1 + 30 < 0.4 V/100 Ω 30 mA 0.001 mA 0.8 + 30 1.1 + 30 < 0.08 V/1 Ω 300 mA 0.01 mA 0.8 + 30 1.1 + 30 < 1.00 V/1 Ω 1. Notes for voltage specifications: - Overload protection: 1000 Vrms. For millivolt measurements, 1000 Vrms for short circuits with < 0.3 A current. - Input impedance: 10 MΩ (nominal) in parallel with < 100 pF. - For 20 to 100 kHz accuracy: Three counts of the LSD per kHz of additional error is to be added for frequencies > 20 kHz and signal inputs < 10% of range - U1273AX only: For all AC+DC voltage ranges, the accuracy is specified at 2.5% + 30 counts when measuring below –20 °C for 20 to 45 Hz AC+DC signals. 2. Notes for current specifications: - Overload protection for 300 μA to 300 mA range: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse. - Overload protection for 3 A to 10 A range: 11 A/1000 V; 10 × 38 mm 30 kA fast-acting fuse. - Specification for 300 mA range: 440 mA continuous. - Specification for 10 A range: 10 A continuous. Add 0.3% to the specified accuracy when measuring signals > 10 to 20 A for 30 seconds maximum. After measuring currents > 10 A, cool down the multimeter for twice the duration of the measured time before proceeding with low current measurements. - U1273AX only: The accuracy for the 300 μA range, 3000 μA range, and 30 mA is specified after the Null function is used when measuring at temperatures below –20 °C. The Null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads). - U1273AX only: For all AC+DC current ranges, the accuracy is specified at 2.5% + 30 counts when measuring below –20 °C for 20 to 45 Hz AC+DC signals. 14 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Temperature specifications1 - 4 Thermocouple type Range Resolution Accuracy ± (% of reading + as specified below) U1271A U1272A U1273A/U1273AX K –200 to 1372 °C 0.1 °C 1% of reading + 1 °C 1% of reading + 1 °C 1% of reading + 1 °C –328 to 2502 °F 0.1 °F 1% of reading + 1.8 °F 1% of reading + 1.8 °F 1% of reading + 1.8 °F J –210 to 1200 °C 0.1 °C — 1% of reading + 1 °C 1% of reading + 1 °C –346 to 2192 °F 0.1 °F — 1% of reading + 1.8 °F 1% of reading + 1.8 °F 1. The specifications above is specified after 60 minutes of warm-up time. 2. The accuracy does not include the tolerance of the thermocouple probe. 3. Do not allow the temperature sensor to contact a surface that is energized above 30 Vrms or 60 V DC. Such voltages pose a shock hazard. 4. The temperature calculation is specified according to the safety standards of EN/IEC-60548-1 and NIST175. Capacitance specifications5, 6 Range Resolution Accuracy ± (% of reading + counts of least significant digit) U1271A U1272A U1273A/U1273AX 10 nF 0.001 nF 1 + 5 1 + 5 1 + 5 100 nF 0.01 nF 1 + 2 1 + 2 1 + 2 1000 nF 0.1 nF 1 + 2 1 + 2 1 + 2 10 μF 0.001 μF 1 + 2 1 + 2 1 + 2 100 μF 0.01 μF 1 + 2 1 + 2 1 + 2 1000 μF 0.1 μF 1 + 2 1 + 2 1 + 2 10 mF 0.001 mF 1 + 2 1 + 2 1 + 2 5. Overload protection: 1000 Vrms for short circuits with < 0.3 A current. 6. The accuracy for all ranges is specified based on a film capacitor or better, and after the Null function is used to subtract the test lead resistance and ther - mal effect (by opening the test leads). 15 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Frequency specifications1, 2 Range Resolution Accuracy ± (% of reading + counts of least significant digit) Minimum input frequency 99.999 Hz 0.001 Hz 0.02 + 5 0.5 Hz 999.99 Hz 0.01 Hz 0.005 + 5 9.9999 kHz 0.1 Hz 0.005 + 5 99.999 kHz 1 Hz 0.005 + 5 999.99 kHz 0.01 kHz 0.005 + 5 > 1 MHz 0.1 kHz 0.005 + 5 @ < 1 MHz 1. Overload protection: 1000 V; input signal is < 20,000,000 V × Hz (product of voltage and frequency). 2. The frequency measurement is susceptible to error when measuring low-voltage, low-frequency signals. Shielding inputs from external noise pickup is criti - cal for minimizing measurement errors. Turning on the low pass filter may help you to filter out the noise and achieve a stable reading. Duty Cycle3 Mode Range Accuracy at full scale DC coupling 99.99% 0.3 % per kHz + 0.3 % AC coupling 99.99% 0.3 % per kHz + 0.3 % 3. Notes for duty cycle specifications: - The accuracy for duty cycle and pulse width measurements is based on a 3 V square wave input to the DC 3 V range. For AC couplings, the duty cycle range can be measured within the range of 10% to 90% for signal frequencies > 20 Hz. - The range of the duty cycle is determined by the frequency of the signal: {10 μs × frequency × 100%} to {[1 – (10 μs × frequency)] × 100%}. - The pulse width (positive or negative) must be > 10 μs. The range of the pulse width is determined by the frequency of the signal. Pulse Width4 Range Resolution Accuracy at full scale 999.99 ms 0.01 ms (duty cycle accuracy/frequency) + 0.01 ms 2000.0 ms 0.1 ms (duty cycle accuracy/frequency) + 0.1 ms 4. Notes for pulse width specifications: - The accuracy for duty cycle and pulse width measurements is based on a 3 V square wave input to the DC 3 V range. - The pulse width (positive or negative) must be > 10 μs. The range of the pulse width is determined by the frequency of the signal. 16 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

U1271A and U1272A frequency sensitivity for voltage measurements1, 2, 3 Input range Minimum sensitivity (RMS sine wave) Trigger level for DC coupling

15 Hz to

0.5 Hz to

1 MHz

0.5 Hz to 200 kHz

30 mV 3 mV 3 mV — — 5 mV 300 mV 6 mV 8 mV 40 mV 10 mV 15 mV

300 V 6 V 8 V @ < 100 kHz — 9 V @ < 100 kHz 9 V @ < 100 kHz

1000 V 50 V 50 V @ < 100 kHz — 90 V @ < 100 kHz 90 V @ < 100 kHz

1. Maximum input for specified accuracy, refer to “AC specifications” on page 12. 2. 30 mV range applicable for U1272A only. 3. 200 kHz to 1 MHz range applicable for U1272A only. U1273A/U1273AX sensitivity for voltage measurements4 Input range Frequency sensitivity and trigger level Minimum sensitivity (RMS sine wave) Trigger level for DC coupling Maximum input for specified accuracy, refer to AC voltage

1 MHz 0.5 Hz to 200 kHz 30 mV 3 mV 3 mV — 5 mV 300 mV 7 mV 8 mV 38 mV 15 mV 3 V 0.12 V 0.12 V 0.48 V 0.15 V 30 V 0.8 V 0.8 V 3.5 V 1.5 V 300 V 6.7 V 8 V < 100 kHz — 11 V < 100 kHz

1000 V 67 V 67 V < 100 kHz — 110 V < 100 kHz

1. Maximum input for specified accuracy, refer to “AC specifications” on page 13. Frequency sensitivity for current measurements5 Input range Minimum sensitivity (RMS sine wave)

2 Hz to 30 kHz

U1271A/U1272A U1273A/U1273AX 300 µA 100 µA 70 μA 3000 µA 70 µA 120 μA 30 mA 1.2 mA 1.2 mA 300 mA 12 mA 12 mA 3 A 0.12 A 0.12 A 10 A 1.2 A 1.2 A 5. Maximum input for specified accuracy, refer to “AC specifications” on page 12 and 13. 17 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Signal width Accuracy for DC Voltage and Current Single event >1 ms Specified accuracy + 400 Repetitive >250 µs Specified accuracy + 1000 Decibel (dB) for U1272A and U1273A1, 2, 3 dB base Reference Default reference 1 mW (dBm) 1 to 9999 Ω 50 Ω

1 V (dBV) 1 V 1 V

1. The reading of dBm is indicated in decibels of power above or below 1 mW, or decibels of voltage above or below 1 V. The formula is calculated according to the voltage measurement and specified reference impedance. Its accuracy is depended on the accuracy of the voltage measurement. See Decibel (dBV) accuracy table below. 2. Auto-ranging mode is used. 3. The bandwidth is according to voltage measurement. Decibel (dBV) accuracy Range dBV range Accuracy Minimum Maximum 45 Hz to 65 Hz

1 Hz to

1000 V +33.98 +60 0.06 0.09 0.14 — — Measurement rate (approximate) Function Times/second U1271A U1272A/U1273A/U1273AX ACV 7 7 DCV 7 7 Ω 14 14 Ω with offset compensation - 3 Diode 14 14 Auto Diode - 3 Capacitance 4 (< 100 µF) 4 (< 100 µF) DCA 7 7 ACA 7 7 Temperature 7 7 Frequency 2 (> 10 Hz) 2 (> 10 Hz) Duty cycle 1 (> 10 Hz) 1 (> 10 Hz) Pulse width 1 (> 10 Hz) 1 (> 10 Hz) 18 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Ordering Information

Standard shipped accessories Standard test leads, test probes with 4-mm tips, K-type thermocouple and adapter, 4x AAA alkaline batteries (4x AAA lithium batteries for U1273AX only), Certificate of Calibration, UK 6 (test report), Quick Start Guide Optional accessories Measuring accessories (non-temperature) U1161A Extended test lead kit Includes two test leads (red and black), two test probes, medium-sized alligator clips and 4-mm banana plugs. – Test leads: CAT III 1000 V, CAT IV 600 V, 15 A – Test probes (4-mm tips): CAT III 1000 V, CAT IV 600 V, 15 A – Medium-sized alligator clips: CAT III 1000 V/CAT IV 600 V, 15 A – 4-mm banana plugs: CAT II 600 V, 10 A U1162A Alligator clips – One pair of insulated alligator clips (red and black). Recommended for use with Keysight standard test leads. – CAT III 1000 V, CAT IV 600 V, 15 A U1163A SMT grabbers – One pair of SMT grabbers (red and black). Recommended for use with Keysight standard test leads. – Rated CAT II 300 V, 3 A U1164A Fine-tip test probes – One pair of fine-tip test probes (red and black). Recommended for use with Keysight standard test leads. – Rated CAT II 300 V, 3 A U1168A Standard test lead kit Includes two test leads (red and black), 4-mm test probes, alligator clips, fine-tip test probes, SMT grabbers and mini grabber (black). – Test leads: CAT III 1000 V, CAT IV 600 V, 15 A – Test probe (19-mm tips): CAT II 1000 V, 15 A – Test probe (4-mm tips): CAT III 1000 V, CAT IV 600 V, 15 A (highly recommended for CAT IV environment) – Alligator clips: CAT III 1000 V, CAT IV 600 V, 15 A – Fine-tip test probes: CAT II 300 V, 3 A – SMT grabber: CAT II 300 V, 3 A – Mini grabber: CAT II 300 V, 3 A U1583B AC current clamp – Dual range: 40 A and 400 A – Rated CAT III 600 V – BNC-to-banana-plug adapter provided for use with DMMs – -40 to 55 °C operating temperature U1271A U1272A U1273A U1273AX 19 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

Measuring accessories (temperature) U1180A Thermocouple adapter+lead kit, J and K types Includes thermocouple adapter, thermocouple bead J-type and thermocouple bead K-type. – T/C adapter J/K-type – T/C bead J-type: –20 to 200 °C – T/C bead K-type: –20 to 200 °C U1181A Immersion tempera - ture probe – Type-K T/C for use in oil and other liquids – Measurement range: –50 to 700 ºC – Includes adapter U1184A for connection to DMM U1182A Industrial surface temperature probe – Type-K T/C for use on still surfaces – Measurement range: –50 to 400 ºC – Includes adapter U1184A for connection to DMM U1183A Air temperature probe – Type-K T/C for use in air and non-caustic gas – Measurement range: –50 to 800 ºC – Includes adapter U1184A for connection to DMM U1184A Temperature probe adapter – Mini-connector-to-banana-plug adapter for use with DMM U1185A J-type thermocouple and adapter – T/C adapter J/K-type – T/C bead J-type: –20 to 200 °C U1186A K-type thermocou - ple and adapter – T/C adapter J/K-type – T/C bead J-type: –20 to 200 °C 20 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

For fastening the DMM to a steel surface so both hands are free U1173A IR-to-USB cable – For remote control and data logging to PC – Maximum baud rate: 19,200 bits per second U1174A Soft carrying case The convenient way to carry your DMM and essential accessories – Dimension: 9 inches (H) x 5 inches (W) x 3 inches (D) U1177A Bluetooth Adapter – Enables Bluetooth connection to Keysight handheld digital multimeters – Support the U1230, U1240, U1250 and U1270 Series handheld multimeters – Remote monitoring and data logging capabilities via Android devices or Windows-based PC – Recommended to use Lithium battery in lower than -20°C in temperature for long hours of operation 21 | Keysight | U1270 Series Handheld Digital Multimeters - Data Sheet

www.keysight.com/find/mykeysight A personalized view into the information most relevant to you. Three-Year Warranty www.keysight.com/find/ThreeYearWarranty Keysight’s committed to superior product quality and lower total cost of ownership. Keysight is the only test and measurement company with three-year warranty standard on all instruments, worldwide. And, we provide a one-year warranty on many accessories, calibration devices, systems and custom products. Keysight Assurance Plans www.keysight.com/find/AssurancePlans Up to ten years of protection and no budgetary surprises to ensure your instruments are operating to specification, so you can rely on accurate measurements. Keysight Infoline www.keysight.com/find/service Keysight’s insight to best in class information management. Free access to your Keysight equipment company reports and e-library. Keysight Channel Partners www.keysight.com/find/channelpartners Get the best of both worlds: Keysight’s measurement expertise and product breadth, combined with channel partner convenience. www.keysight.com/find/handhelddmm From Hewlett-Packard through Agilent to Keysight For more than 75 years, we‘ve been helping you unlock measurement insights. Our unique combination of hardware, software and people can help you reach your next breakthrough. Unlocking measurement insights since 1939.

1939 THE FUTURE

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