Specifications

U1231A U1232A U1233A
Basic features
Display resolution 6,000 6,000 6,000
Auto/manual ranging Yes Yes Yes
Analog bar graph Yes Yes Yes
Backlight Yes Yes Yes
AC bandwidth 45 Hz to 1 kHz 45 Hz to 1 kHz 45 Hz to 1 kHz
True RMS Yes Yes Yes
Measurements
Voltage DC
Range 600 mV to 600 V 600 mV to 600 V 600 mV to 600 V
Accuracy 0.5% + 2 cnts 0.5% + 2 cnts 0.5% + 2 cnts
Voltage AC
Range 600 mV to 600 V 600 mV to 600 V 600 mV to 600 V
Accuracy 1.0% + 3 cnts 1.0% + 3 cnts 1.0% + 3 cnts
Bandwidth 45 Hz to 1 kHz 45 Hz to 1 kHz 45 Hz to 1 kHz
Current DC
Range
N/A
60 µA to 10 A 60 µA to 10 A
Accuracy 1.0% + 2 cnts 1.0% + 2 cnts
Specifi cations of the U1230 Series Digital Multimeters
Current AC
Range
N/A
60 µA to 10 A
1.5% + 3 cnts
45 to 500 Hz
60 µA to 10 A
1.5% + 3 cnts
45 to 500 Hz
Accuracy
Bandwidth
Resistance
Range
600 Ω to 60 MΩ
0.9% + 3 cnts
600 Ω to 60 MΩ
0.9% + 3 cnts
600 Ω to 60 MΩ
0.9% + 3 cnts
Accuracy
Frequency Range
99.99 Hz to 99.99 kHz
0.1% + 2 cnts
99.99 Hz to 99.99 kHz
0.1% + 2 cnts
99.99 Hz to 99.99 kHz
0.1% + 2 cnts
Accuracy
Capacitance Range
1000 nF to 10 mF
1.9% + 2 cnts
1000 nF to 10 mF
1.9% + 2 cnts
1000 nF to 10 mF
1.9% + 2 cnts
Accuracy
Temperature Range
N/A N/A
–40 to 1372 °C
1% + 1 °C
Accuracy
Diode test Yes Yes Yes
Data management
Min/max recording Yes Yes Yes
Trigger hold Yes Yes Yes
Auto hold Yes Yes Yes
Manual datalogging N/A N/A N/A
Null Yes Yes Yes
Connectivity IR-USB/Bluetooth IR-USB/Bluetooth IR-USB/Bluetooth
% scale of 4-20 mA N/A N/A N/A
Special features
Built-in fl ashlight Yes Yes Yes
Beep + backlight alert for continuity
Yes Yes Yes
Vsense for non-contact voltage
detection
N/A N/A Yes
Z
LOW
- low impedance mode Yes Yes Yes
Safety and regulatory
IP rating IP 42 IP 42 IP 42
Over-voltage safety protection CAT III 600 V CAT III 600 V CAT III 600 V
EN/IEC 610101-1:2001
compliance
Yes Yes Yes
CSA C22.2 No. 61010-1:2004
compliance
Yes Yes Yes
represents key specifi cations/feature
7