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DSO Coral (112A) is an upgraded model of DSO112 (see DSO112) with re-designed schematic and PCB. Due to the new design this oscilloscope becomes more accurate and reliable. As high as 2mV/div sensitivity and ultra low background noise made the device particularly useful for measuring weak signals. Up to 24 presets with customizable titles allow setups be retrieved in seconds. While keeping all performance of DSO112 this new model brings in the following improvements:

Specification

Vertical

Number of Channel: 1

Analog Bandwidth: 0 - 2MHz

Sensitivity: 2mV/Div - 20V/Div

Sensitivity error: < 5%

Resolution: 8-bit

Input Impedance: 1M ohm

Maximum Input voltage: 50Vpk

Coupling: DC, AC, GND

Voltage measurement cursors available

Auto-measurement of Vavr and Vpp

Horizontal

Max Real-time Sampling Rate: 5Msps

Timebase: 1us/Div - 50s/Div

Record Length: 512 and 1024 variable

Time measurement cursors available

Trigger

Trigger Modes: Auto, Normal, Single

Trigger Types: Rising/falling edge

Trigger Position: 1/8, 1/4, 1/2, 3/4, and 7/8 of buffer size

Trigger Source: internal, external

External trigger voltage range: 0 - 15V

Test Signal Generator

7 freqencies from 1Hz to 1MHz selectable.

Amplitude 3.3V fixed

Other Features

Save captured waveform to EEPROM and recall after power outage

Save/recall up to 24 presets

Serial data/control interface

USB firmware upgrade

Display

2.4" color TFT LCD with 320 x 240 resolution

Power Supply

3.7V Li-ion battery/USB

Supply Current: 300mA @ 3.7V(LCD backlight ON).

Built-in charger

Physical

Dimension: 80mm X 70mm X 18mm

Weight: 85 gram (not including cables)