U3400

U3400 KEYSIGHT | Alldatasheet

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Technical content

U3400 Series 4½ and 5½ Digit Digital Multimeters Data Sheet

Features

– Up to 120,000 counts resolution – Up to 0.012% basic DCV accuracy – 11 basic measurements and up to six built-in math functions – Dual display on bright VFD – Selectable resolutions for variable measurement speeds* – Kensington lock slot security Simply Right For Your Basic Needs, Without Compromising Quality The U3400 Series digital multimeters (DMMs) come with functions vital for your everyday measurements: DC, AC and AC+ DC voltage and current, 2- and 4-wire resistance, frequency, continuity and diode tests. Math functions dBm, Min/Max, Relative, Compare, Hold and Percentage** are also available to ease your measurement analysis. Not only are the U3400 Series built robust for lasting reliability over the long haul, these DMMs also ensure dependable measurements with up to 0.012% basic DCV accuracy. Efficient Testing With Dual Display and Selectable Resolutions* Dual display on the U3400 Series lets you view two parameters simultaneously as you measure, and further enhances your troubleshooting tasks. For example, the ability to see both AC voltage and frequency simultaneously would help you to measure the frequency response of amplifier circuits more efficiently and effectively. Refer to Page 3 for more typical dual display combinations and applications. Up to three measurement speeds are available on the U3402A: Slow, Medium and Fast. This means greater flexibility in catering to different testing needs: a faster measurement speed at lower resolution or a higher resolution at slower measurement speed. Physical Security Your instruments may be at risk of theft or misplacement whenever you leave them unattended on the bench. With the U3400 Series’ rear Kensington lock slot, you can secure your DMM and be assured that it is where you expect it to be for your continued testing the next day. * U3402A only ** U3401A only 02 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Typical Dual Display Combinations and Applications Primary display Secondary display Application Available in DCV ACV Testing of DC-to-AC or AC-to-DC converter circuit U3402A, U3401A ACV + DCV DCV Power supply DC level and AC ripple measurement U3402A, U3401A DCV DCI Testing of power supply load regulation U3402A DCV ACI Loop current and voltage drop level checking U3402A ACI + DCI DCV Testing of line and load regulation U3402A ACV DCI Testing of AC-to-DC or DC-to-AC converter U3402A ACI + DCI ACV Power supply DC level and AC ripple measurement U3402A ACV ACI Transformer testing U3402A ACV Hz Amplifier circuit’s AC frequency response measurement U3402A, U3401A ACI Hz Adjustment of AC motor control U3402A, U3401A DCI ACI Power supply AC ripple and DC current measurement U3402A, U3401A ACI + DCI DCI Current dissipation measurement U3402A, U3401A dBm Reference Ω RF frequency measurement U3401A dBm DCV U3402A, U3401A dBm ACV U3402A, U3401A dBm Hz Frequency response checking U3402A 04 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

U3400 Series Specifications DC voltage DCV resolution, full-scale reading and accuracy [± (% of reading + count)] U3401A 4.5-digit DMM Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) Typical input impedance 1 500.00 mV 10 µV 510.00 0.02% + 4 10.0 MΩ 5.0000 V 100 µV 5.1000 0.02% + 4 11.1 MΩ 50.000 V 1 mV 51.000 0.02% + 4 10.1 MΩ 500.00 V 10 mV 510.00 0.02% + 4 10.0 MΩ 1000.0 V 100 mV 1200.02 0.02% + 4 10.0 MΩ 1. Input impedance is in parallel with capacitance <100 pF. 2. In VDC 1000 V range, 1200 V is readable with audio warning. Rate Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) Typical input impedance 1 Slow 120.000 mV 1.20000 V 12.0000 V 120.000 V 1000.00 V 1 µV 10 µV 100 µV 1 mV 10 mV 119.999 1.19999 11.9999 119.999 1000.00 3 0.012% + 82 0.012% + 5 0.012% + 5 0.012% + 5 0.012% + 5 10.0 MΩ 10.0 MΩ 11.1 MΩ 10.1 MΩ 10.0 MΩ Medium 400.00 mV 4.0000 V 40.000 V 400.00 V 1000.0 V 10 µV 100 µV 1 mV 10 mV 100 mV 399.99 3.9999 39.999 399.99 1000.03 0.012% + 5 0.012% + 5 0.012% + 5 0.012% + 5 0.012% + 5 10.0 MΩ 11.1 MΩ 10.1 MΩ 10.0 MΩ 10.0 MΩ Fast 400.0 mV 4.000 V 40.00 V 400.0 V 1000 V 100 µV 1 mV 10 mV 100 mV 1 V 399.9 3.999 39.99 399.9 10003 0.012% + 2 0.012% + 2 0.012% + 2 0.012% + 2 0.012% + 2 10.0 MΩ 11.1 MΩ 10.1 MΩ 10.0 MΩ 10.0 MΩ 1. Input impedance is in parallel with capacitance <120 pF. 2. Relative (REL) operation is used. 3. In VDC 1000 V range, 1050 V is readable. 05 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

AC voltage (true RMS, AC coupling mode) ACV resolution, full-scale reading and accuracy [± (% of reading + count)] U3401A 4.5-digit DMM U3402A 5½-digit DMM Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1

30 Hz to 50 Hz 50 Hz to 10 kHz 10 kHz to 30 kHz 30 kHz to 100 kHz

500.00 mV 10 µV 510.00 1% + 40 0.05% + 40 2% + 60 3% + 20 5.0000 V 100 µV 5.1000 1% + 20 0.35% + 15 1% + 20 3% + 50 50.000 V 1 mV 51.000 1% + 20 0.35% + 15 1% + 20 3% + 50 500.00 V 10 mV 510.00 Not specified 0.5% + 15 1% + 202 3% + 502 750.0 V 100 mV 1000.0 Not specified 0.5% + 153 1% + 202 Not specified 1. Accuracy specified at input >5% of full scale. 2. Input voltage <200 V RMS. 3. For 5 kHz to 10 kHz, accuracy is 0.7% + 15. 4. In VAC 750 V range, 1000.0 V RMS is readable with audio warning. Rate Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1

20 Hz to 45 Hz 45 Hz to 10 kHz 10 kHz to 30 kHz 30 kHz to 100 kHz

Slow 120.000 mV 1.20000 V 12.0000 V 120.000 V 750.00 V 1 µV 10 µV 100 µV 1 mV 10 mV 119.999 1.19999 11.9999 119.999 750.00 4 1% + 100 1% + 100 1% + 100 1% + 100 1% + 1002 0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100 1.5% + 100 1% + 100 1% + 100 1% + 100 1% + 100 5% + 3002 3% + 2002 3% + 2002 3% + 2002 3% + 2003 Medium 400.00 mV 4.0000 V 40.000 V 400.00 V 750.0 V 10 µV 100 µV 1 mV 10 mV 100 mV 399.99 3.9999 39.999 399.99 750.0 1% + 40 1% + 40 1% + 40 1% + 402 1% + 402 0.2% + 40 0.2% + 40 0.2% + 40 0.2% + 40 0.2% + 40 1.5% + 80 1% + 40 1% + 40 1% + 40 1% + 40 5% + 1202 3% + 802 3% + 802 3% + 802 3% + 803 Fast 400.0 mV 4.000 V 40.00 V 400.0 V 750 V 100 µV 1 mV 10 mV 100 mV 1 V 399.9 3.999 39.99 399.9 750 1% + 5 1% + 5 1% + 5 1% + 52 1% + 52 0.2% + 5 0.2% + 5 0.2% + 5 0.2% + 5 0.2% + 5 1.5% + 10 1% + 5 1% + 5 1% + 5 1% + 5 5% + 152 3% + 102 3% + 102 3% + 102 3% + 103 1. Accuracy specified at input >5% of full scale. 2. Input voltage <200 V RMS. 3. Input voltage <500 V RMS. 4. In VAC 750 V range, 787.5 V RMS is readable. 06 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

AC voltage (true RMS, AC+DC coupling mode) AC+DC voltage resolution, full-scale reading and accuracy [± (% of reading + count)] U3401A 4.5-digit DMM U3402A 5.5-digit DMM Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1

50 Hz to 10 kHz 10 kHz to 30 kHz 30 kHz to 100 kHz

500.00 mV 10 µV 510.00 0.5% + 50 2% + 70 3% + 130 5.0000 V 100 µV 5.1000 0.5% + 25 1% + 30 3% + 60 50.000 V 1 mV 51.000 0.5% + 25 1% + 30 3% + 60 500.00 V 10 mV 510.00 0.5% + 25 1% + 302 3% + 602 750.0 V 100 mV 1000.03 0.5% + 254 1% + 302 Not specified 1. Accuracy specified at input >5% of full scale. 2. Input voltage <200 V RMS. 3. In VAC 750 V range, 1000.0 V RMS is readable with audio warning. 4. For 5 kHz to 10 kHz, accuracy is 0.7% + 25. Rate Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1

45 Hz to 10 kHz 10 kHz to 30 kHz 30 kHz to 100 kHz

Slow 120.000 mV 1.20000 V 12.0000 V 120.000 V 750.00 V 1 µV 10 µV 100 µV 1 mV 10 mV 119.999 1.19999 11.9999 119.999 750.000 2 0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100 1.5% + 300 1% + 100 1% + 100 1% + 100 1% + 100 5% + 300 3% + 200 3% + 200 3% + 200 3% + 2003 Medium 400.00 mV 4.0000 V 40.000 V 400.00 V 750.0 V 10 µV 100 µV 1 mV 10 mV 100 mV 399.99 3.9999 39.999 399.99 750.00 0.2% + 45 0.2% + 43 0.2% + 43 0.2% + 43 0.2% + 43 1.5% + 83 1% + 43 1% + 43 1% + 43 1% + 43 5% + 125 3% + 83 3% + 83 3% + 83 3% + 833 Fast 400.0 mV 4.000 V 40.00 V 400.0 V 750 V 100 µV 1 mV 10 mV 100 mV 1 V 399.9 3.999 39.99 399.9 750.0 0.2% + 7 0.2% + 7 0.2% + 7 0.2% + 7 0.2% + 7 1.5% + 12 1% + 7 1% + 7 1% + 7 1% + 7 5% + 18 3% + 12 3% + 12 3% + 12 3% + 123 1. Accuracy specified at input >5% of full scale. 2. In VAC 750 V range, 787.5 V RMS is readable. 3. Input voltage <500 V RMS. 07 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

DCI resolution, full-scale reading and accuracy [± (% of reading + count)] U3401A 4.5-digit DMM U3402A 5.5-digit DMM Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) Burden voltage1 and shunt resistor 500.00 µA 10 nA 510.00 0.05% + 5 <0.06 V/100 Ω 5.0000 mA 100 nA 5.1000 0.05% + 4 <0.6 V/100 Ω 50.000 mA 1 µA 51.000 0.05% + 4 <0.08 V/1 Ω 500.00 mA 10 µA 510.00 0.05% + 4 <0.8 V/1 Ω 1. Typical at full-scale reading and voltage across the input terminals. 2. In 10 A range, >10 to 20 ADC is readable for 20 seconds maximum with audio warning. Rate Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) Burden voltage1 and shunt resistor Slow 12.0000 mA 120.000 mA 1200.00 mA 12.0000 A 0.1 µA 1 µA 10 µA 100 µA 11.9999 119.999 1199.99 11.9999 0.05% + 152 0.05% + 5 0.2% + 5 0.2% + 5 <0.15 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω Medium 40.000 mA 120.00 mA 1200.0 mA 12.000 A 1 µA 10 µA 100 µA 1 mA 39.999 119.99 1199.9 11.999 0.1% + 6 0.1% + 3 0.2% + 3 0.2% + 3 <0.5 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω Fast 40.00 mA 120.0 mA 1200 mA 12.00 A 10 µA 100 µA 1 mA 10 mA 39.99 119.9 1199 11.99 0.1% + 2 0.1% + 2 0.2% + 2 0.2% + 2 <0.5 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω 1. Typical at full-scale reading and voltage across the input terminals. 2. Relative (REL) operation is used. 08 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

AC current (true RMS, AC coupling mode) ACI resolution, full-scale reading and accuracy [± (% of reading + count)] U3401A 4.5-digit DMM U3402A 5.5-digit DMM Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1 Burden voltage 2 and shunt resistor30 Hz to 50 Hz 50 Hz to 2 kHz 2 kHz to 5 kHz 5 kHz to 20 kHz 10.000 A 1 mA 20.000 5 2% + 404 0.5% + 30 (<1 kHz) Not specified Not specified <0.6 V/0.01 Ω 1. Accuracy specified at input >5% of full scale and >1 A for 10 A range unless otherwise stated. 2. Typical at full-scale reading and voltage across the input terminals. 3. Input current >35 µA RMS. 4. Input current <3 A RMS. 5. In 10 A range, >10 to 20 ADC is readable for 20 seconds maximum with audio warning. Rate Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1 Burden voltage 2 and shunt resistor20 Hz to 45 Hz 45 Hz to 2 kHz 2 kHz to 10 kHz Slow 12.0000 mA 120.000 mA 1200.00 mA 12.0000 A 0.1 µ A 1 µA 10 µA 100 µA 11.9999 119.999 1199.99 11.9999 1.5% + 100 1.5% + 100 1.5% + 100 2% + 100 (<1.2 A) 0.5% + 100 0.5% + 100 0.5% + 100 1% + 100 2% + 200 2% + 200 2% + 200 Not specified <0.15 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω Medium 40.000 mA 120.00 mA 1200.0 mA 12.000 A 1 µA 10 µA 100 µA 1 mA 39.999 119.99 1199.9 11.999 1.5% + 40 1.5% + 12 1.5% + 12 1.5% + 12 (<1.2 A) 0.5% + 40 0.5% + 12 0.5% + 12 1% + 12 2% + 80 2% + 30 2% + 30 Not specified <0.5 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω Fast 40.00 mA 120.0 mA 1200 mA 12.00 A 10 µA 100 µA 1 mA 10 mA 39.99 119.9 1199 11.99 1.5% + 5 1.5% + 2 1.5% + 2 2% + 2 (<1.2 A) 0.5% + 5 0.5% +2 0.5% +2 1% +2 2% + 10 2.2% + 5 2.2% + 5 Not specified <0.5 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω 1. Accuracy specified at input >5% of full scale. 2. Typical at full-scale reading and voltage across the input terminals. 09 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

AC current (true RMS, AC+DC coupling mode) AC+DC current resolution, full-scale reading and accuracy [± (% of reading + count)] U3401A 4.5-digit DMM U3402A 5.5-digit DMM Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1 Burden voltage 2 and shunt resistor50 Hz to 2 kHz 2 kHz to 5 kHz 5 kHz to 20 kHz 1. Accuracy specified at input >5% of full scale and >1 A for 10 A range unless otherwise stated. 2. Typical at full-scale reading and voltage across the input terminals. 3. Input current >35 µA RMS. 4. In 10 A range, >10 to 20 ADC is readable for 20 seconds maximum with audio warning. Rate Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1 Burden voltage 2 and shunt resistor45 Hz to 2 kHz 2 kHz to 10 kHz Slow 12.0000 mA 120.000 mA 1200.00 mA 12.0000 A 0.1 µ A 1 µA 10 µA 100 µA 11.9999 119.999 1199.99 11.9999 0.5% + 100 0.5% + 100 0.5% + 100 1% + 100 2% + 200 2% + 200 2% + 200 Not specified <0.15 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω Medium 40.000 mA 120.00 mA 1200.0 mA 12.000 A 1 µA 10 µA 100 µA 1 mA 39.999 119.99 1199.9 11.999 0.5% + 42 0.5% + 15 0.5% + 15 1% + 15 2% + 80 2% + 30 2% + 30 Not specified <0.5 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω Fast 40.00 mA 120.0 mA 1200 mA 12.00 A 10 µA 100 µA 1 mA 10 mA 39.99 119.9 1199 11.99 0.5% + 7 0.5% + 4 0.5% + 4 1% + 4 2% + 12 2% + 7 2% + 7 Not specified <0.5 V/10 Ω <1.5 V/10 Ω <0.3 V/0.1 Ω <0.6 V/0.01 Ω 1. Accuracy specified at input >5% of full scale. 2. Typical at full-scale reading and voltage across the input terminals. 10 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Resistance resolution, full scale reading, and accuracy [± (% of reading + count)] U3401A 4.5-digit DMM U3402A 5.5-digit DMM Range1 Resolution Maximum reading Test current Accuracy (1 year; 23 ºC ± 5 ºC) 500.00 Ω 10 mΩ 510.00 0.5 mA 0.1% + 52 5.0000 kΩ 100 mΩ 5.1000 0.45 mA 0.1% + 32 50.000 kΩ 1 Ω 51.000 45 µA 0.1% + 3 500.00 kΩ 10 Ω 510.00 4.5 µA 0.1% + 3 5.0000 MΩ 100 Ω 5.1000 450 nA 0.1% + 3 50.000 MΩ 1 kΩ 51.000 45 nA 0.3% + 3 1. To reduce noise interference that may be induced by the test leads, we recommend using a shielded test cable for measuring resistances above 500 kΩ. 2. Relative (REL) operation is used. Rate Range1 Resolution Maximum reading Test current Accuracy (1 year; 23 ºC ± 5 ºC) 2-wire 4-wire Slow 120.000 Ω 1.20000 k Ω 12.0000 k Ω 120.000 kΩ 1.20000 MΩ 12.0000 MΩ 120.000 MΩ 1 mΩ 10 mΩ 100 mΩ 1 Ω 10 Ω 100 Ω 1 kΩ 119.999 1.19999 11.9999 119.999 1.19999 11.9999 119.999 0.5 mA 0.5 mA 100 µA 10 µA 1 µA 100 nA 10 nA 0.1% + 82 0.08% + 52 0.06% + 52 0.06% + 5 0.06% + 5 0.3% + 5 3% + 8 0.05% + 82 0.05% + 52 0.05% + 5 0.05% + 5 0.05% + 5 0.3% + 5 3% + 8 Medium 400.00 Ω 4.0000 k Ω 40.000 k Ω 400.00 kΩ 4.0000 MΩ 40.000 MΩ 300.00 MΩ 10 mΩ 100 mΩ 1 Ω 10 Ω 100 Ω 1 kΩ 10 kΩ 399.99 3.9999 39.999 399.99 3.9999 39.999 299.99 0.5 mA 100 µA 50 µA 5 µA 500 nA 50 nA 10 nA 0.1% + 52 0.08% + 32 0.06% + 3 0.06% + 3 0.15% + 3 1.5% + 3 5.0% + 5 0.05% + 52 0.05% + 3 0.05% + 3 0.05% + 3 0.15% + 3 1.5% + 3 5.0% + 5 Fast 400.0 Ω 4.000 kΩ 40.00 kΩ 400.0 kΩ 4.000 MΩ 40.00 MΩ 300.0 MΩ 100 mΩ 1 Ω 10 Ω 100 Ω 1 kΩ 10 kΩ 100 kΩ 399.9 3.999 39.99 399.9 3.999 39.99 299.9 0.5 mA 100 µA 50 µA 5 µA 500 nA 50 nA 10 nA 0.1% + 22 0.08% + 2 0.06% + 2 0.06% + 2 0.15% + 2 1.5% + 2 5.0% + 2 0.05% + 2 0.05% + 2 0.05% + 2 0.05% + 2 0.15% + 2 1.5% + 2 5.0% + 2 1. To reduce noise interference that may be induced by the test leads, we recommend using a shielded test cable for measuring resistances above 100 kΩ. 2. Relative (REL) operation is used. 11 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Frequency resolution, full-scale reading and accuracy [± (% of reading + count)] Diode test/continuity U3401A 4.5-digit DMM U3401A 4.5-digit DMM U3402A 5.5-digit DMM U3402A 5.5-digit DMM Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 2.3000 V 100 µV 2.3000 V 0.05% + 5 Rate Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) Slow 1.19999 V 10.0000 µV 0.012% + 5 Medium 2.4999 V 100.00 µV 0.012% + 5 Fast 2.499 V 1.000 mV 0.012% + 2 Range Input sensitivity for voltage measurement (sine-wave)

5 Hz to 100 kHz 100 kHz to 500 kHz

500 mV 35 mV RMS 200 mV RMS 5 V 0.25 V RMS 0.5 V RMS 50 V 2.5 V RMS 5 V RMS

500 V 25 V RMS Not specified

750 V 50 V RMS Not specified

Range Measurement range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 500.00 Hz 5 Hz to 500 Hz 0.01 Hz 510.00 0.01% + 5 5.0000 kHz 500 Hz to 5 kHz 0.1 Hz 5.1000 0.01% + 3 50.000 kHz 5 kHz to 50 kHz 1 Hz 51.000 0.01% + 3 500.00 kHz 50 kHz to 500 kHz 10 Hz 999.99 0.01% + 3 Range Measurement range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) 1 Input sensitivity (sine wave) 1200.00 Hz 5 Hz to 1200 Hz 10 mHz 1199.99 0.005% + 3 40 mV RMS 12.0000 kHz 10 Hz to 12 kHz 100 mHz 11.9999 0.005% + 2 40 mV RMS 120.000 kHz 100 Hz to 120 kHz 1 Hz 119.999 0.005% + 2 40 mV RMS 1.0000 MHz 1 kHz to 1 MHz 10 Hz 1.1999 0.005% + 2 0.5 V RMS 1. Specified accuracy at input >5% of full scale. 12 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Decibel (dB) calculation Range and accuracy (± dB) U3401A 4.5-digit DMM U3402A 5.5-digit DMM Voltage range1, 2 Input voltage dBm3 range at 600 W ref Accuracy (1 year; 23 ºC ± 5 ºC)

30 Hz to 50 Hz 50 Hz to 10 kHz 10 kHz to 100 kHz

1000.0 VDC 500 V to 1000 V 56.20 to 62.22 Not specified 0.25 Not specified 750.0 VAC 500 V to 750 V 56.20 to 59.72 Not specified 0.25 Not specified 1. Auto ranging is used when dBm operation is selected. 2. In VDC 1000 V range, 1200 V is readable. In VAC 750 V range, 1000 V is readable. 3. Reading is displayed in dB when relative (REL) operation is used. 4. Input voltage <200 V RMS. 5. For input voltage within the frequency range of 50 Hz to 1 kHz. Rate Voltage range1, 2 Input voltage dBm3 range at

600 W ref

Accuracy (1 year; 23 ºC ± 5 ºC)

20 Hz to 45 Hz 45 Hz to 10 kHz 10 kHz to 100 kHz

Slow 120.000 mV 1.20000 V 12.0000 V 120.000 V

1000.00 VDC

750.00 V 6 mV to 120 mV 120 mV to 1.2 V

1.2 V to 12 V

12 V to 120 V

120 V to 1000 V

120 V to 750 V

–42.20 to –16.20 –16.20 to 3.80 3.80 to 23.80 23.80 to 43.80 43.80 to 62.22 43.80 to 59.72 1.0 0.8 0.8 0.8 Not specified Not specified 0.2 0.1 0.1 0.1 1.04 1.04 1.0 0.8 0.8 0.8 Not specified Not specified Medium 400.00 mV 4.0000 V 40.000 V 400.00 V

1000.0 VDC

750.0 V 20 mV to 400 mV 400 mV to 4 V

4 V to 40 V

40 V to 400 V

400 V to 1000 V

400 V to 750 V

–31.76 to –5.74 –5.74 to 14.26 14.26 to 34.26 34.26 to 54.26 54.26 to 62.22 54.26 to 59.72 1.0 0.8 0.8 0.8 Not specified Not specified 0.2 0.1 0.1 0.1 1.04 1.04 1.0 0.8 0.8 0.8 Not specified Not specified Fast 400.0 mV 4.000 V 40.00 V 400.0 V

1000 VDC

–31.76 to –5.74 –5.74 to 14.26 14.26 to 34.26 34.26 to 54.26 54.26 to 62.22 54.26 to 59.72 1.0 0.8 0.8 0.8 Not specified Not specified 0.2 0.1 0.1 0.1 1.04 1.04 1.0 0.8 0.8 0.8 Not specified Not specified 1. Auto ranging is used when dBm operation is selected. 2. In VAC 750 V range, 5% over-range is readable. 3. Reading is displayed in dB when relative (REL) operation is used. 4. For input voltage within the frequency range of 45 Hz to 1 kHz. 13 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Supplemental measurement specifications Supplemental Specifications Model Reading rate Display counts U3401A N/A 51,000 U3402A Slow 120,000 Medium 40,000 Fast 4,000 Measurement Specification DC voltage Measurement method Sigma Delta A-to-D converter Input resistance 10 MΩ ± 2% range (typical) Maximum input voltage 1000 VDC or PEAK AC on all ranges Input protection 1000 V on all ranges Response time Approximately 1.0 second when the displayed reading reaches 99.9% DC value of the tested input signal at the same range DC current Shunt resistance U3401A – 0.01 Ω to 100 Ω for 500 µA to 10 A ranges U3402A – 0.1 Ω to 10 Ω for 12 mA to 1.2 A ranges – 0.01 Ω for 12 A range Maximum input and overload protection (U3402A only) mA input terminal: 1200 mADC or AC RMS. Protected with 1.25 A/500 V, IEC-127 sheet, FB fuse 12 A input terminal: 10 ADC or AC RMS continuous; or 12 ADC or AC RMS for 30 seconds maximum. Protected with 15 A/600 V, breaking capacity 10,000 A FB fuse Response time Approximately 1.0 second when the displayed reading reaches 99.9% DC value of the tested input signal at the same range AC voltage Measurement method AC-coupled true RMS: measures the AC component with up to 400 VDC bias on any range Crest factor Maximum 3:0 at full scale Input impedance U3401A: 1 MΩ in parallel with <100 pF U3402A: 1 MΩ ± 2% in parallel with <120 pF Maximum input voltage U3401A: 1000 V RMS/1400 V PEAK U3402A: 750 V RMS/1200 V PEAK 2x107 V-Hz product on any range, normal mode input 1x106 V-Hz product on any range, common mode input Overload ranging Selects higher range if peak input overload is detected during auto range. Overload is reported in manual ranging. Input protection U3401A: 1000 V RMS on all ranges U3402A: 750 V RMS on all ranges Response time Approximately 1.5 seconds when the displayed reading reaches 99.9% AC RMS value of the tested input signal at the same range. 14 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Supplemental measurement specifications (continued) Measurement Specification AC+DC voltage Measurement method AC+DC coupled true RMS: measures the AC component with up to 400 VDC bias on any range Crest factor Maximum 3:0 at full scale Input impedance U3401A: 1 MΩ in parallel with <100 pF U3402A: 1 MΩ ± 2% in parallel with <120 pF Maximum input voltage U3401A: 1000 V RMS/1400 V PEAK U3402A: 750 V RMS/1100 V PEAK 2 x 107 V-Hz product on any range, normal mode input 1 x 106 V-Hz product on any range, common mode input Overload ranging Selects higher range if peak input overload is detected during auto range. Overload is reported in manual ranging Input protection U3401A: 1000 V RMS on all ranges U3402A: 750 V RMS on all ranges Response time Approximately 1.5 seconds (2.5 seconds for U3402A) when the displayed reading reaches 99.9% AC RMS value of the tested input signal at the same range AC current Measurement method DC coupled to the fuse and current shunt, AC coupled true rms measurement (measures the AC component only) Crest factor Maximum 3:0 at full scale Shunt resistance U3401A – 0.01 Ω to 100 Ω for 500 µA to 10 A ranges U3402A – 0.1 Ω to 10 Ω for 10 mA to 1.2 A ranges – 0.01 Ω for 12 A range Input protection U3401A Front panel fuse 630 mA, 500 V; internal 25 A, 440 V U3402A mA input terminal: 1200 mADC or AC RMS. Protected with 1.25 A/500 V, IEC-127 sheet, FH fuse 12 A input terminal: 10 ADC or AC RMS continuous; or 12 ADC or AC RMS for 30 seconds maximum. Protected with 15 A/600 V, breaking capacity 10,000 A FH fuse Response time Approximately 1.5 seconds when the displayed reading reaches 99.9% AC RMS value of the tested input signal at the same range AC+DC current Measurement method AC+DC coupled to the fuse and current shunt, AC+DC coupled true rms measurement (measures the AC component only) Crest factor Maximum 3:0 at full scale Measurement range Vdc and Vac are automatically set at the same range Response time Approximately 1.5 seconds when the displayed reading reaches 99.9% AC RMS value of the tested input signal at the same range Resistance Measurement method U3401A: 2-wire ohms U3402A: 2-wire ohms or 4-wire ohms Open-circuit voltage U3401A: Limited to <+6 VDC U3402A: Limited to <+5 VDC Zeroing error 0.05 Ω or less (excluding test lead resistance) in each range when Relative operation is used 15 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Supplemental measurement specifications (continued) Measurement Specification Resistance Input protection 500 V Response time U3401A – Approximately 1.5 seconds for 5 MΩ and ranges below 5 MΩ U3402A – Approximately 1.5 seconds for 12 MΩ and ranges below 12 MΩ – Approximately 5 seconds for 40 MΩ – Approximately 10 seconds for 120 MΩ – Approximately 23 seconds for 300 MΩ Diode/continuity Measurement method U3401A: 0.5 mA ± 0.2% constant current source, open circuit voltage limited to < 6 V U3402A: 0.5 mA ± 0.2% constant current source, open circuit voltage limited to < 5 V Test current Approximately 0.5 mADC Open-circuit voltage U3401A: Limited to <+9 VDC U3402A: Limited to <+9 VDC Continuity threshold 10 Ω fixed Continuity level Approximately <+50 mVDC Audible tone Continuous beep for continuity and single tone for normal forward-biased diode or semiconductor junction Input protection 500 V Resistance/ continuity (U3402A only) Measurement method 2-wire ohms Test current Approximately 0.5 mADC Open-circuit voltage Limited to <+5 VDC Audible tone Continuous beep for continuity and single tone for normal forward-biased diode or semiconductor junction Zeroing error 0.05 Ω or less (excluding test lead resistances) in each range when relative operation is used Input protection 500 V Frequency Measurement method Reciprocal counting technique. AC coupled input using AC voltage function Crest factor Maximum 3:0 at full scale Signal level 10% of range to full-scale input on all ranges; auto or manual range selection Gate time 0.1 second or 1 period of the input signal, whichever is longer Input impedance U3401A: 1 MΩ in parallel with <100 pF U3402A: 1 MΩ ± 2% in parallel with <120 pF Maximum input voltage U3401A: 1000 V RMS/1400 V PEAK U3402A: 750 V RMS/1100 V PEAK 2x107 V-Hz product on any range, normal mode input 1x106 V-Hz product on any range, common mode input Input protection 750 V RMS on all ranges Response time Approximately 1.5 seconds when the displayed reading reaches 99.9% of frequency value Noise rejection Common mode rejection ratio (CMRR) for 1 kΩ unbalanced LO lead 50/60 Hz ± 0.1%: DC >90 dB Normal mode rejection ratio (NMRR) 16 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Supplemental measurement specifications (continued) Measurement Specification dBm operation 0 dBm 1 mW at 600 Ω reference impedance Resolution U3401A 0.01 dB for all ranges U3402A Slow: 0.01 dB for all ranges Medium: 0.01 dB for all ranges Fast: 0.1 dB for all ranges Reference impedance 1 2 Ω2, 4 Ω2, 8 Ω2, 16 Ω2, 50 Ω, 75 Ω, 93 Ω, 110 Ω, 124 Ω, 125 Ω, 135 Ω, 150 Ω, 250 Ω, 300 Ω, 500 Ω, 600 Ω, 800 Ω, 900 Ω, 1000 Ω, 1200 Ω, 8000 Ω Math operation U3401A: dBm, Relative, Min/Max, Compare, Hold, Percentage U3402A: dBm, Relative, Min/Max, Compare, Hold I/O interface RS-232 (for calibration use only) 1. Reference impedance is displayed on the secondary display. 2. Reading is displayed in watts (audio power). 17 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

– 100 V/120 V/220 V/240 V ± 10% – AC line frequency 50 Hz to 60 Hz Power consumption

16 VA maximum

Manual-ranging (100 VAC to 240 VAC ± 10%) Fuse U3401A Terminal: 25 A, 440 V FB fuse; 0.63 A,

500 V FB fuse

Power line: 0.25 A, 250 V SB fuse, or

0.125 A, 250 V SB fuse

Terminal: 15 A, 600 V FB fuse; 1.25 A, Power line: 0.25 A, 250 V SB fuse, or Highly visible vacuum fluorescent display (VFD) Operating environment – Operating temperature from 0 °C to +50 °C – Relative humidity up to 80% at 28 °C RH (non-condensing) – Altitude up to 2000 meters – Pollution degree 2 – For indoor use only Storage compliance – –20 °C to 60 °C – Relative humidity at 5% to 90% RH (non-condensing) Safety compliance – IEC 61010-1:2001/EN61010-1:2001 (2nd Edition) – Canada: CAN/CSA-C22.2 No. 61010-1-04 – USA: ANSI/UL 61010-1:2004 EMC compliance – IEC 61326-1:2005/EN61326-1:2006 – Canada: ICES/NMB-001:2004 – Australia/New Zealand: AS/NZS CISPR11:2004 Shock and vibration Tested to IEC/EN 60068-2 I/O connector Output connectors I/O interface RS-232 (for calibration use only) Dimensions (W × H × D) 255 mm × 105 mm × 305 mm (with bumpers) 215 mm x 87 mm x 282 mm (without bumpers) Weight 3.44 kg (with bumpers) Warranty Three years for U3401A/U3402A Three months for standard shipped accessories Calibration cycle One year Warm-up time At least 30 minutes 18 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

34138A Test lead kit U1161A Extended test lead kit 34330A Current Shunt (30 A) 34133A Precision electronic testleads 11059A Kelvin probe set U3400A-1CM Rack mount kit Each U3400 Series includes these standard shipped accessories: – Quick Start Guide – Product reference CD – Certificate of calibration – 34138A Test lead kit – AC Power cord Accessories

Ordering Information

19 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet

Some of the best equations express large ideas with elegant simplicity. The same is true with the Keysight Technologies, Inc. U3401A and U3402A dual-display DMMs. When you need basic capabilities with good performance at 4½ or 5½ digits, respectively, these affordable benchtop units make the grade in educational, electronics and communications applications. For extra credit, they also include a PC-grade lock slot for physical security. The U3400 Series: basic, good capability in an elegantly simple DMM. www.axiestandard.org AdvancedTCA® Extensions for Instrumentation and Test (AXIe) is an open standard that extends the AdvancedTCA for general purpose and semiconductor test. Keysight is a founding member of the AXIe consortium. ATCA®, AdvancedTCA®, and the ATCA logo are registered US trademarks of the PCI Industrial Computer Manufacturers Group. www.lxistandard.org LAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems. Keysight is a founding member of the LXI consortium. www.pxisa.org PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged, PC-based high-performance measurement and automation system. 20 | Keysight | M9037A PXIe Embedded Controller - Data Sheet

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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