UT81C+ Product Main Features


Dual-channel oscilloscope,digital multimeter, Signal Generator

Bandwidth: 50MHz 

Real-time sampling rate: 250MSa/s 

3.5-inch high-resolution, high-contrast colour LCD display 

Waveform refresh rate: 10000 wfrms/s 

High-precision four-and-a-half-digit (24000) digital multimeter function 

Output sine wave, rectangular wave, sawtooth wave, pulse wave, arbitrary waveforms

Type-C charging and data transmission interface 

Built-in 5200mAh rechargeable lithium battery, long-lasting battery life 

Support SCPI communication function, can be developed twice.



model

UT81A+

UT81C+

Analogue bandwidth

50   MHz

Vertical Resolution

8 bit

Channel

2 analogue channels

2 analogue channels + 1 signal generator channel

Sampling

Sampling Method

Sampling, Peak Detection

Real-time sampling rate

250 MSa/s (single channel)

Waveform Refresh Rate

10,000 wfms/s

Input

Input Coupling

DC, AC, Ground

Input impedance (DC coupling)

1 MΩ ± 2% in parallel with 16 pF ± 10 pF

Probe attenuation coefficient

1X, 10X, 100X, 1000X, 10000X

Maximum Input Voltage

400 V (DC + AC peak)

Bandwidth Limit

20 MHz, full bandwidth

Horizontal

Sample Rate Range

0.25 Sa/s to 250 MSa/s

Waveform interpolation

(Sinx)/x

Sweep rate range (S/div)

5ns/div - 1000s/div, in 1 - 2 - 5 decimal steps

Time base accuracy

±100ppm

Record Length

8K or 4K  selectable

Vertical

Sensitivity (volts/gram) Range

10   mV/div～10 V/div

Displacement Range

±6 Grid

Analogue bandwidth

50   MHz

Low Frequency Response (AC coupled, -3dB)

≥10   Hz

Rise Time (typical on BNC)

≤   7 ns

DC Gain Accuracy

±3%

Measurement

Cursor Measurement

Voltage difference between cursors (△V), time difference between cursors (△T)

Automatic Measurement

Period, frequency, amplitude, peak-to-peak, maximum value, minimum value, average value

trigger

Signal Source

CH1、CH2

Type

Edge Trigger

Coupling

DC, AC

Trigger type

Auto, Normal, Single

Trigger Level Range

±4 frames from the centre of the screen

Trigger Level Accuracy

±0.3 grid

Trigger Displacement

Depending on memory depth and time base gear

edge triggering

slope

Rising edge, falling edge

Output Voltage (typical)

3.3Vpp, high resistance

Frequency (typical)

Square wave 1 kHz (±1%)


Multimeter (General Purpose)

Model

UT81A+

UT81C+

Digital Display

24000 readings

Measurement Type

Voltage, current, resistance, capacitance, on-off, diode

Maximum Input Voltage

AC :750V DC : 1000V

Maximum Input Current

AC : 10A DC : 10A

Basic Functions

Range

Minimum Resolution

Accuracy

DC Voltage

240.00mV

0.01mV

±(0.3%+10dig)

2.4000V

0.1mV

±(0.3%+5dig)

24.000V

1mV

240.00V

0.01V

1000.0V

0.1V

AC Voltage[1]

240.00mV

0.01mV

±(0.8%+10dig)

2.4000V

0.1mV

24.000V

1mV

240.00V

0.01V

750.0V

0.1V

±(1%+10dig)

frequency range：40Hz-1000Hz

DC current

240.00mA

0.01mA

±(0.8%+10dig)

10.000A

1mA

±(2.5%+10dig)

Milliampere grade: Self-recovering 400mA/250V; Ampere grade: 10A/600V, D5.2*20, quick disconnection

AC current [1]

240.00mA

0.01mA

±(1%+10dig)

10.000A 

1mA

±(2.8%+10dig)

frequency range：40Hz-1000Hz

Overload protection: milliampere grade: self-recovery 400mA/250V; ampere grade: 10A/600V, D5.2*20, quick-break

Resistance

240.00Ω

0.01Ω

±(0.8%+10dig)

2.4000kΩ

0.1Ω

±(0.8%+5dig)

24.000kΩ

1Ω

±(0.8%+3dig)

240.00kΩ

10Ω

2.4000MΩ

0.1kΩ

24.000MΩ

1kΩ

±(1%+3dig)

100.00MΩ

0.01MΩ

±(5%+10dig)

Capacitance [1]

20.000nF

1pF

±(3.0%+10dig)

200.00nF

10pF

2.0000μF

0.1nF

20.000μF

1nF

200.00μF

10nF

2.0000mF

0.1uF

Others

On-Off Test

√ (<50Ω)

Diode Test

√(Apx.3V)

Auto Ranging

√

True RMS

√

[1] For AC voltage/current and capacitance measurements, the accuracy is guaranteed from 5 per cent to 100 per cent of the range.



Signal Generator UT81C+ only

Characteristics


Frequency Characteristics

sine wave

0.1Hz～30MHz

Rectangular Wave

0.1Hz～5MHz

Sawtooth Wave

0.1Hz～1MHz

Pulse Wave

0.1Hz～5MHz

Arbitrary Wave

0.1Hz～5MHz

Real-time sampling rate

125MSa/s

Amplitude (50Ω)

0.01Vpp ～ 2.5Vpp

DC Offset Range (High Resistance)

±(2.5V - range Vpp/2)

Frequency Resolution

0.0001

Channel

1

Waveform Length

8k

Vertical Resolution

14 bit

Output Impedance

50 Ω



Shipping policy 

1. We will send out your order within 3 working days, the tracking number will be updated to you once your order has been shipped. Standard shipping will take 8-12 business days for delivery and expedited shipping takes 2-7 business days. If there is any delay, it may be caused by bad weather or custom inspection which is not in our control, but don't worry, we will keep to follow your order until you receive it.
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