U1280 KEYSIGHT | Alldatasheet
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Trustworthy Measurements in the Palm of Your Hand! Keysight Technologies U1280 Series Handheld Digital Multimeters Data Sheet
Gain the confidence to achieve trustworthy measurements thanks to the precision, accuracy and repeatability of the Keysight Technologies, Inc. U1280 series handheld digital multimeters (DMMs). Why feel tied to the bench when it comes to the need of troubleshooting electronic circuits in the system? Now you can get accurate and reliable measurement with 60,000-count display resolution and 0.025% basic DCV accuracy for troubleshooting electronic circuits of the system. Key Features – 60,000-count dual display – Up to 0.025% basic DCV accuracy – Longer battery life up to 800 hours – Certified to IP 67 for water and dust protection – Tested to withstand a 3-meter (10-ft) drop – CAT III 1000 V / CAT IV 600 V overvoltage protection – Special features1 – Vsense for non-contact voltage detection – Square wave output for generating pulse width modulation (PWM) signal – Frequency counter – Low pass filter – For Keysight Remote Link solution, add on optional U1117A Infrared (IR)-to- Bluetooth® adapter to get instant wireless Bluetooth connection 1. U1282A only
The last thing you want is for your tools to run out of juice when you need it the most. on your work at hand, as it should be for maximum productivity. to IP 67, providing superior protection to monitor against dust and water immersion. Better yet, it is also designed to absorb the impact of a 3-meter (10 ft) drop. Figure 1. Large display and backlit keypad allow
06 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet Front panel Back panel Vsense* red LED indicator for non-contact voltage detection 60,000-count dual display Data logging: – Manual data logging up to 100 readings, or, – Auto/event data logging up to 10,000 readings Low pass filter (LPF)* to reduce unwanted noise when measuring AC voltage Broad range of measurement functions: voltage, current, frequency, capacitance, resistance, continuity, diode test and temperature Square wave output* for generating pulse width modulation (PWM) output CAT IV 600 V CAT III 1000 V overvoltage protection Remote switch probe terminal * U1282A only Probe holder/storage IR-USB connectivity Frequency counter for low voltage application
07 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet U1280 series comparison U1281A U1282A Basic features Display resolution 60,000 60,000 Auto/manual ranging Yes Yes Analog bar graph Yes Yes Backlight Yes Yes AC bandwidth 30 kHz 100 kHz True RMS AC + DC AC + DC Measurements Voltage DC Range 60 mV to 1000 V 60 mV to 1000 V Accuracy 0.025 % + 5 cnts 0.025 % + 5 cnts Voltage AC Range 60 mV to 1000 V 60 mV to 1000 V Accuracy 0.3 % + 25 cnts 0.3 % + 25 cnts Current DC Range 600 µA to 10 A 600 µA to 10 A Accuracy 0.05 % + 5 cnts 0.05 % + 5 cnts Current AC Range 600 µA to 10 A 600 µA to 10 A Accuracy 0.6 % + 25 cnts 0.6 % + 25 cnts Resistance Range 600 Ω to 60 MΩ 60 Ω to 600 MΩ Accuracy 0.05 % + 2 cnts 0.05 % + 2 cnts Frequency Range 99.999 Hz to 9.9999 MHz 99.999 Hz to 9.9999 MHz Accuracy 0.005 % + 3 cnts 0.005 % + 3 cnts Capacitance Range 10 nF to 100 mF 10 nF to 100 mF Accuracy 1 % + 5 cnts 1 % + 5 cnts Temperature Thermocouple type K-type J, K-type Continuity with beeper Yes Yes Diode test Yes Yes Data management Min/max recording Yes Yes Display hold Yes Yes Auto hold Yes Yes Null Yes Yes PC-Connectivity Infrared (IR)-USB; IR-Bluetooth (optional with U1117A) Infrared (IR)-USB; IR-Bluetooth (optional with U1117A) Special features Square wave output Yes Vsense: non-contact voltage detect Yes Frequency counter Yes Low pass filter Yes Safety and regulatory Over-voltage safety protection CAT III 1000 V / CAT IV 600 V CAT III 1000 V / CAT IV 600 V EN/IEC 61010-2-030: 2010 compliance Yes Yes EN/IEC 61010-1: 2010 compliance Yes Yes General Operating temperature –20 °C to 55 °C 0 % to 80 % R.H. –20 °C to 55 °C 0 % to 80 % R.H. Battery (included) 4 x 1.5 V AA 4 x 1.5 V AA Battery life 800 hours 800 hours Warranty 3-year 3-year Calibration One year, or; Two years (with 1.5 times of one year specification) One year, or; Two years (with 1.5 times of one year specification) Dimensions (H x W x D) 218 x 96 x 59 mm 218 x 96 x 59 mm
08 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet General specifications Display 5-digit liquid crystal display (LCD) with maximum reading of 66,000-count Automatic polarity indication. Power consumption 250 mVA / 330 mVA with backlight Battery type 4x 1.5 V AA alkaline battery (ANSI/NEDA 15A or IEC LR6), or; 4x 1.5 V AA zinc chloride battery (ANSI/NEDA 15D or IEC R6), or; 4x 1.5 V AA Lithium battery (ANSI/NEDA 15-LF or IEC FR6) Battery life 800 hours typical based on new alkaline batteries for DC voltage measurement Connectivity Infrared (IR) port, connect with: – IR-USB cable, or; – U1117A IR-to-Bluetooth adapter (Bluetooth Class 1), or; – U1177A IR-to-Bluetooth adapter (Bluetooth Class 2) Fuse 10 x 35 mm, 440 mA / 1000 V, 10 kA minimum fast-acting fuse 10 x 38 mm, 11 A / 1000 V, 20 kA minimum fast-acting fuse Operating environment Full accuracy from –20 °C to 55 °C; and up to 80 % R.H. for temperature up to 30 °C decreasing linearly to 50 % R.H. at 55 °C Pollution Degree II Altitude up to 3000 meters Storage compliance –40 °C to 70 °C, 0 to 80 % R. H. (with battery removed) Safety compliance EN/IEC 61010-2-030: 2010 EN/IEC 61010-1: 2010 Measurement category CAT III 1000 V / CAT IV 600 V Electromagnetic compatibility (EMC) Susceptibility and Emissions: commercial limits per EN/IEC 61326-1 Ingression protection rating IP-67, protected against dust and the effect of immersion between 15 cm and 1 m Temperature coefficient 0.05 x (specified accuracy) / °C (from –20 °C to 18 °C or 28 °C to 55 °C) Common mode rejection ratio (CMRR) > 120 dB at DC, 50/60 Hz ± 0.1 % (1 kΩ unbalanced) Normal mode rejection ratio (NMRR) > 60 dB at 50/60 Hz ± 0.1 % Dimensions (H x W x D) 218 x 96 x 59 mm Weight 701 grams (with batteries) Warranty Three years for main unit Three months for standard shipped accessories Calibration cycle One year, or; Two years (with 1.5 times of one year specification) Specification assumptions – Accuracy is given as ± (% of reading + counts of least significant digit) at 23 °C ± 5 °C, with relative humidity less than 80 % R.H. – Accuracy is specified for 1-year after calibration, at operating temperature of room temperature. Multiply 1.5 times of the accuracy for 2-year after calibration. Example ± (1.5 X % of reading + 1.5 X counts of least significant digit). – AC and AC µA / mA / A specifications are AC coupled. – True RMS measurement is valid from 5 % of range to 100 % of range. – For non-sinusoidal waveforms, add (0.1 % of reading + 0.3 % of full scale) typically – The maximum circuit limitation of peak signal is 300 % typically for voltage and current except 250 % and 150 % typically for range 600 V and 1000 V respectively. – The crest factor is according to the maximum circuit limitation of peak signal – Specification is based on 5 times/second of data refresh rate – CMRR and NMRR are based on 5 times/second of data refresh rate
09 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet DC specification for U1281A/U1282A Function Range Resolution Accuracy ± (% of reading + counts of least significant digit) Test current / burden voltage Voltage3,4 60 mV 0.001 mV 0.05 % + 101 — 600 mV 0.01 mV 0.025 % + 51 — 6 V 0.0001 V 0.025 % + 52 — 60 V 0.001 V 0.025 % + 5 — 600 V 0.01 V 0.025 % + 5 — 1000 V 0.1 V 0.025 % + 5 — Current3,4,5 600 µA 0.01 µA 0.12 % + 10 0.0301 V (50 Ω) 6 mA 0.0001 mA 0.05 % + 5 0.312 V (50 Ω) 60 mA 0.001 mA 0.10 % + 201 0.115 V (0.5 Ω) 600 mA 0.01 mA 0.15 % + 51 0.896 V (0.5 Ω) 6 A 0.0001 A 0.3 % + 10 0.240 V (0.01 Ω) 10 A2 0.001 A 0.3 % + 5 0.4 V (0.01 Ω) Diode test1,2,3 — 0.0001 V 0.5 % + 10 < 1.7 mA Function Range Resolution Accuracy ± (% of reading + counts of least significant digit) Continuity threshold Resistance/ audible continuity 1,2 60 Ω5 0.001 Ω 0.15 % + 203 5 ± 3 Ω 600 Ω 0.01 Ω 0.05 % + 103 25 ± 11 Ω 6 kΩ 0.0001 kΩ 0.05 % + 2 0.123 ± 0.052 kΩ 60 kΩ 0.001 kΩ 0.05 % + 2 1.12 ± 0.5 kΩ 600 kΩ 0.01 kΩ 0.05 % + 2 12.1 ± 5.2 kΩ 6 MΩ 0.0001 MΩ 0.15 % + 2 0.109 ± 0.05 MΩ 60 MΩ4 0.001 MΩ 1.5 % + 3 0.109 ± 0.05 MΩ 600 MΩ4,5,6 0.01 MΩ 3.0 % + 3 (< 100 MΩ) 0.109 ± 0.05 MΩ 600 nS 0.01 nS 1 % + 20 None Notes for DC specifications A. Notes for voltage specification. 1. The accuracy is specified after NULL function is used to zero out thermal effect (by shorting test leads). 2. The temperature coefficient for 6 V range is 0.075 x (specified accuracy) / °C (from –20 °C to 18 °C or 28 °C to 55 °C). 3. The accuracy is specified for 10 MΩ (nominal) input impedance. 4. Overload protection for 60 mV and 600 mV ranges: 1000 Vrms for circuits < 0.3 A short circuit current. Overload protection for other ranges: 1000 Vrms. B. Notes for current specification 1. Current can be measured up to 440 mA continuously. Maximum of 20 hours for measuring current more than 440 mA. 60 mA and 600 mA ranges have thermal effect of 0.35 µA/mA to be offset after current applied to these ranges. Cool down the meter for at least 6 seconds if 100 mA was applied, and at least 3 minutes if 600 mA was applied; or alternatively use the NULL function to zero-out thermal effect with open test lead before measuring the signal. 2. Current can be measured up to 10 A continuously. Maximum of 30 seconds for measuring current more than 10 A to 20 A, add 0.3 % to specified accuracy. The multimeter needs to be cool down after measuring current that is more than 10 A. Cool down the meter for twice the duration of the measured time and use NULL function to zero-out thermal effect before proceeding with lower current measurement. 3. 600 µA to 60 mA ranges (connection with mA terminal) overload protection by 10 x 35 mm, 440 mA/1000 V, 10 kA minimum fast-acting fuse. 4. 6 A and 10 A ranges (connection with A terminal) overload protection by 10 x 38 mm, 11 A / 1000 V, 20 kA minimum fast-acting fuse. 5. Ensure good ventilation and no heat element close to the meter. C. Notes for diode test specification 1. Overload protection: 1000 Vrms for circuits < 0.3 A short circuit current. 2. Built-in buzzer sounds when reading is below 0.05 V approximately, and single tone for normal forward-biased diode or semiconductor junction as 0.3 V ≤ reading ≤ 0.8 V. 3. The maximum threshold voltage display is less than +3.1 V. D. Notes for resistance/audible Continuity specification 1. Maximum open voltage: < +2.7 V 2. Built-in buzzer sounds as transient when resistance less than 25 ± 11 Ω. It may capture the intermittent for longer than 1 ms. 3. The accuracy is specified after Math Null, which is used to subtract the test lead resistance and the thermal effect. Ensure good ventilation and no heat element close to the meter. 4. For 60 MΩ and 600 MΩ ranges, the R.H. is specified for < 60 % at 30 °C. 5. Only available in U1282A 6. For 600 MΩ range: temperature coefficient is 0.1 x (specified accuracy) / °C (from –20 °C to 18 °C or 28 °C to 55 °C).
10 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet AC and AC + DC voltage specification for U1281A / U1282A1,2 Function Range Resolution Accuracy ± (% of reading + counts of least significant digit)
20 Hz to
45 Hz to 1 kHz 1 kHz to 10 kHz 10 kHz to 20 kHz 20 kHz to 100 kHz5
LPF (Low Pass Filter) enabled, applicable for all voltage ranges and resolutions 2.0 % + 60 2.0 % + 25 for < 200 Hz 6.0 % + 60 for < 440 Hz N/A N/A N/A AC + DC voltage True RMS 60 mV 0.001 mV 1.05 % + 600 mV3 0.01 mV 1.05 % + 6 V 0.0001 V 1.05 % + 60 V 0.001 V 1.05 % + 600 V 0.01 V 1.05 % + 0.35 % + 30 0.75 % + 30 1.55 % + 654 3.55 % + 654 1000 V 0.1 V 1.05 % + 0.35 % + 30 0.75 % + 30 1.55 % + 654 N/A Notes 1. Overload protection: 1000 Vrms. Overload protection for mV range: 1000 Vrms for short circuits with < 0.3 A current. 2. Input impedance: 10 MΩ in parallel with < 100 pF (nominal). The accuracy is specified for 10 MΩ (nominal) input impedance. 3. Add additional 2 % error as crest factor > 2 4. For voltage that is lower than 300 Vrms, and frequency lower than 30 kHz. 5. Additional error when frequency is more than 30 kHz: 0.1 of least significant digit x square of frequency. The bandwidth of U1281A is up to 30 kHz only. Frequency Counts of least significant digit Formula Additional error 30 kHz 0.1 0.1 x 30 x 30 90 50 kHz 0.1 0.1 x 50 x 50 250 100 kHz 0.1 0.1 x 100 x 100 1000 The bandwidth for U1281A is up to30 kHz only.
11 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet AC and AC + DC current specification for U1281A / U1282A8,9 Function Range Resolution Accuracy ± (% of reading + counts of least significant digit)
20 Hz to 45 Hz 45 Hz to 1 kHz 1 kHz to 20 kHz5 20 kHz to 100 kHz5,6,7
600 µA1 0.01 µA 1.0 % + 40 0.6 % + 25 1.0 % + 30 5 % + 40 6 mA 0.0001 mA 1.0 % + 40 0.6 % + 25 1.0 % + 30 5 % + 40 60 mA 0.001 mA 1.0 % + 40 0.6 % + 25 1.0 % + 30 5 % + 40 600 mA 2 0.01 mA 1.0 % + 40 0.6 % + 25 1.5 % + 30 5 % + 40 6 A 0.0001 A 1.0 % + 404 0.6 % + 25 1.5% + 306 N/A 10 A3 0.001 A 1.0 % + 404 0.6 % + 25 1.5% + 306 N/A AC + DC current True RMS 6 A 0.0001 A 1.15 % + 504 0.95 % + 35 1.65 % + 406 N/A 10 A3 0.001 A 1.15 % + 454 0.95 % + 30 1.65 % + 406 N/A Notes 1. Typical performance for current ≤ 30 µArms. 2. Current can be measured up to 440 mA continuously. Maximum of 20 hours for measuring current more than 440 mA. 3. Current can be measured up to 10 A continuously. Maximum of 30 seconds for measuring current more than 10 A to 20 A, add 0.3 % to specified accuracy. The multimeter needs to be cool down after measuring current that is more than 10 A. Cool down the meter for twice the duration of the measured time and use NULL function to zero-out thermal effect before proceeding with lower current measurement. 4. Input current < 3 Arms. 5. These specifications are for typical performance. 6. For current < 3 Arms and < 5 kHz. 7. Additional error when Frequency is more than 30 kHz: 0.1 of least significant digit x square of frequency. The bandwidth of U1281A is up to 30 kHz only. Frequency Counts of least significant digit Formula Additional error 30 kHz 0.1 0.1 x 30 x 30 90 50 kHz 0.1 0.1 x 50 x 50 250 100 kHz 0.1 0.1 x 100 x 100 1000 8. 6 A and 10 A ranges (connection with A terminal) overload protection by 10 x 38 mm, 11 A / 1000 V, 20 kA minimum fast-acting fuse. 600 µA to 600 mA ranges (connection wth µ.mA terminal) overload protection by 10 x 35 mm, 440 mA / 1000 V, 10 kA minimum fast-acting fuse. 9. Ensure good ventilation and no heat element close to the meter.
12 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet Temperature specification for U1281A / U1282A2,3,4,5 Thermal type Range Resolution Accuracy ± (% of reading + as specified below) K –200 °C to 1372 °C 0.1 °C 1 % + 1 °C –328 °F to 2502 °F 0.1 °F 1 % + 1.8 °F –210 °C to 1200 °C 0.1 °C 1 % + 1 °C –346 °F to 2192 °F 0.1 °F 1 % + 1.8 °F Notes 1. Only for U1282A 2. The specification above is specified after 60 minutes of warm-up time. 3. The accuracy does not include the tolerance of the thermocouple probe. 4. Do not allow the temperature sensor to contact a surface that is energized about 30 Vrms or 60 V DC. Such voltages pose a shock hazard. 5. The temperature calculation is specified according to the safety standards of EN/IEC-60548-1 and NIST 175. Capacitance specification for U1281A / U1282A1,2,3 Range Resolution Accuracy ± (% of reading + counts of least significant digit) 10 nF 0.001 nF 1.0 % + 5 100 nF 0.01 nF 1.0 % + 5 1 µF 0.0001 µF 1.0 % + 5 10 µF 0.001 µF 1.0 % + 5 100 µF 0.01 µF 1.0 % + 5 1 mF 0.0001 mF 1.0 % + 5 10 mF 0.001 mF 1.0 % + 5 100 mF 0.01 mF 2.5 % + 10 Notes 1. Overload protection: 1000 Vrms for short circuits with < 0.3 A current. 2. 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 thermal effect (by opening the test leads). 3. The maximum display is 1200 counts / 12000 counts selectable
13 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet Frequency specification for U1281A / U1282A Range Resolution Accuracy ± (% of reading + counts of least significant digit) Minimum input frequency 99.999 Hz 0.001 Hz 0.02 % + 31 0.5 Hz 999.99 Hz 0.01 Hz 0.005 % + 3 9.9999 kHz 0.0001 kHz 0.005 % + 3 99.999 kHz 0.001 kHz 0.005 % + 3 999.99 kHz 0.01 kHz 0.005 % + 3 9.9999 MHz 0.0001 MHz 0.005 % + 3, < 1 MHz Notes 1. The frequency measurement is susceptible to error when measuring low-voltage, low-frequency signals. Shielding inputs from external noise pickup is critical for minimizing measurement errors. For U1282A only, turning on LPF (low pass filter) may help to filter out the noise and achieve a stable reading. U1281A / U1282A sensitivity1 for voltage measurement Input range Minimum sensitivity (RMS sine wave) Trigger level for DC coupling Maximum input2 for specified accuracy
15 Hz to 100 kHz Typical bandwidth
60 mV 2.5 mV 1 MHz 4.5 mV 1 MHz 600 mV 12 mV 1 MHz 15 mV 1 MHz 6 V 0.25 V 900 kHz 0.45 V 900 kHz 60 V 2.5 V 600 kHz 4.5 V 600 kHz
600 V 25 V 100 kHz 45 V 100 kHz
1000 V 33 V 100 kHz 50 V 100 kHz
U1281A / U1282A sensitivity1 for current measurement Input range Minimum sensitivity (RMS sine wave) Maximum input 2 for specified accuracy 15 Hz to 30 kHz Typical bandwidth at full scale 60 µA 38 µA 100 kHz 6 mV 0.38 mA 100 kHz 60 mV 3.8 mA 100 kHz 600 mV 38 mA 100 kHz 6 A 0.38 A 100 kHz
10 A 1 A 100 kHz
- The sensitivity is typical performance. 2. Refer to ‘AC Specifications’ for specified accuracy of maximum input.
14 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet Duty cycle and pulse width for U1281A / U1282A1,2,3 Duty cycle mode Range Accuracy at full scale DC coupling 99.999% 0.3 % per kHz + 0.3 % AC coupling 99.999% 0.3 % per kHz + 0.3 % Pulse width range Resolution Accuracy 99.999 ms 0.001 ms Duty cycle accuracy / frequency + 1 999.99 ms 0.01 ms Duty cycle accuracy / frequency + 1 2000.0 ms 0.1 ms Duty cycle accuracy / frequency + 1 Notes 1. The accuracy for duty cycle and pulse width is based a square wave of full scale input to the 6 V range. For AC coupling, the duty cycle range can be measured within 5 % to 95 % for signal frequency more than 15 Hz. 2. The pulse width (positive or negative) must be more than 10 µs. The range of the pulse width is determined by the frequency of the signal. 3. The range of the duty cycle is determined by the frequency of the signal: {10 µs x frequency x 100 %} to {[1 –(10 µs x frequency)] x 100 %} Peak hold for U1281A / U1282A 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 dB specification for U1281A / U1282A dB base Reference Default reference 1 mW (dBm) 1 to 9999 Ω 50 Ω
1 V (dBV) 1 V 1 V
- 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. 2. Auto-ranging mode is used 3. The bandwidth is according to voltage measurement.
15 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet Frequency counter specification for U1282A3 Division Range Resolution Accuracy Sensitivity 1 Minimum input frequency 1 99.999 Hz 0.001 Hz 0.02 % + 52 30 mV 0.5 Hz 999.99 Hz 0.01 Hz 0.002 % + 5 30 mV 9.9999 kHz 0.0001 kHz 0.002 % + 5 30 mV 99.999 kHz 0.001 kHz 0.002 % + 5 30 mV 999.99 kHz 0.01 kHz 0.002 % + 5 200 mV 9.9999 MHz 0.0001 MHz 0.002 % + 5, < 1 MHz 200 mV 100 9.9999 MHz 0.0001 MHz 0.002 % + 5, < 20 MHz 330 mV 1 MHz 99.999 MHz 0.001 MHz Notes 1. The sensitivity is specified as input with a load of 50 Ω. 2. The frequency measurement is susceptible to error when measuring low-voltage, low-frequency signals. Shielding inputs from external noise pickup is critical for minimizing measurement errors. For non-square wave signal, add additional 5 counts. 3. The maximum measurement level is ± 1.8 Vp. Square wave output specification1 for U1282A2,3 Output Range Resolution Accuracy 0.5, 1, 2, 5, 6, 10,15, 20, 25, 30, 40, 50, 60, 75, 80 Hz 0.01 Hz 0.005 % + 2 100, 120, 150, 200, 240, 300, 400, 480, 600, 800 Hz 0.1 Hz 1200, 1600, 2400, 4800 Hz 1 Hz Duty cycle1 0.390 % to 99.609 % 0.390625 % 0.4 % at full scale Pulse width1 1 / frequency Range / 256 Range / 256 + 2 µs Amplitude Fixed + 2.2 V 0.1 V 0.2 V Notes: 1. The specification is typical performance. 2. The positive or negative pulse width must be greater than 2 µs for adjustment of the duty cycle or pulse width under different frequencies. Otherwise, the accuracy and range will be different from the specification defined. 3. Output impedance: 600 Ω (nominal) Multimeter data refresh rate Function Slow (times/second) Fast (times/second) ACV (V or mV) 5 40 DCV (V or mV) 5 40 Ω 5 40 Diode 5 40 Capacitance 1 (< 100 µF) — DC µA, mA or A 5 40 AC µA, mA or A 5 40 Temperature 5 40 Frequency 1 (> 10 Hz) — Duty cycle 1 (> 10 Hz) — Pulse width 1 (> 10 Hz) —
16 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet Standard shipped accessories 4 ½-digit handheld digital multimeter, test leads (red and black), infrared (IR)-to-USB cable, AA batteries (4x), Quick Start Guide, Certificate of Calibration Optional accessories U1117A infrared(IR)-to-Bluetooth adapter – Enable Bluetooth connection to Keysight handheld digital multimeters – Up to 100-meter operating rage U1115A remote logging display – Displays up to 4 Keysight handheld digital multimeters measurements – 60,000 points interval logging – Extended measurement distance of up to 100-meter U5404A remote switch probe for U1280 Series – Measure and save measurement with a single touch of button U1594A hard carrying case Hard carrying case with two compartments for U1280 Series handheld digital multimeters. U1595A rugged carrying case – High quality, water and dust proof carrying case designed to store up to two handheld and accessories U1583B AC current clamp – Dual range 40 A and 400 A – BNC-to-banana plug adapter provided for use with handheld digital multimeters
Ordering Information
17 | Keysight | U1280 Series Handheld Digital Multimeters - Data Sheet Optional accessories 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 probe (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 U1168B 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 p[robes: CAT II 300 V, 3 A – SMT grabber: CAT II 300 V, 3 A – Mini grabber: CAT II 300 V, 3 A U1180A temperature sensors and probes 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 temperature probe – Type K T/C for use in oil and other liquids – Measurement range: –50 to 700 °C – 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 °C – 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 °C – Includes adapter U1184A for connection to DMM U1184A temperature probe adapter – Mini-connector-to-banana-plug adapter for use with DMM U1185A thermocouple (J-type) and temperature probe adapter – T/C adapter J/K type – T/C bead J-type: –20 to 200 °C U1186A thermocouple (K-type) and temperature probe adapter – T/C adapter J/K type – T/C bead J-type: –20 to 200 °C
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