Information

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 (K-type thermocouple) Range –200 °C to 1372 °C –200 °C to 1372 °C
Accuracy 1 % + 1 °C 1 % + 1 °C
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