USB Analog to Digital (4 and 8 channel)
ADC-4U11 Analog to Digital Converter - 11/12 Bit
ADC-4U15 Analog to Digital Converter - 15/16 bit
ADC-8U11 Analog to Digital Converter - 11/12 Bit
ADC-8U15 Analog to Digital Converter - 15/16 bit

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ADC-4U11 Analog to Digital...$ 55.95 Quantity    

ADC-4U15 Analog to Digital...$ 65.95 Quantity    

ADC-8U11 Analog to Digital...$ 79.95 Quantity    

ADC-8U15 Analog to Digital...$ 94.95 Quantity    





High Gain Version (low level input)

USB Cables

Add Relay Control to your USB
product for $29

EN-D Enclosure for the ADC-4U

Additional Accessories

Digital to Analog Products

Typical usage include measurement and monitoring in the following applications: Temperature, pressure, voltage, current/amperage, power usage, power demand, weight (such as strain gauge/load cell output), solar array applications (such as array voltage/current, battery cell voltage, panel angle, power output etc.), antenna directional position, satellite dish azimuth and elevation, light levels (laser, IR, ambient, etc.), water depth, thrust vector, damper position, fluid flow (such as water, fuel, oil, natural gas, etc.), magnetic fields, speed (such as vehicle, conveyor belt, air flow, wind, etc.), potentiometer movement, vacuum, tension, compression, torque, transducer output, directional sensing (such as gyroscope output) and thousands of other applications.

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• Connects to USB - Powered from USB port
• 4 or 8 channels of 11 bit Analog to Digital (2,048 increments) for single-ended inputs
  or 2/4 channels of 12 bit differential inputs (4,096 increments) with ADC-4U11/ADC-8U11
• 4 or 8 channels of 15 bit Analog to Digital (32,768 increments) for single-ended inputs
  or 2/4 channels of 16 bit differential inputs (65,536 increments) with ADC-4U15/ADC-8U15
• Built-in Instrument Amplifier with selectable high precision reference voltage - allows for
  (0 to 256mv), (0 to 512mv), (0 to 1.024v), (0 to 2.048v), (0 to 4.096v) or (0 to 6.144v*) voltage input ranges which are scaled to provide uniform voltage per increment        *caps at 5v
• Reliable and stable data guaranteed or your purchase refunded
• Commercial Grade Reliability - engineered for continuous 24 hour industrial operation utilizing Texas Instrument's world renown advanced analog technology combined with advanced USB connectivity by Prolific Technology Inc, a world leader in USB interfacing
• 8 Channel version allows two separate voltage reference selections (of the 6 voltage ranges) and permits simultaneous use of single ended inputs with differential inputs
• High Gain version available with (10) selectable voltage ranges of 0 to 5V down to 0 to 16mv allowing direct connect of sensors and devices with low level outputs. See this link for more info: ADC-4U15HG
• Both 11/12 bit and 15/16 bit versions may be special ordered in 12 or 16 channel converters - contact EECI support for more info
• Includes built-in Data Logger which may be used to log pressure, weight, fluid flow, energy usage/demand, temperature, voltage, current, solar array data or data from any of thousands of devices with analog outputs.
• Full technical support provided by on staff advisors
• Expandable to monitor up to 16 digital inputs or control up to 16 relays using EX-8M Expansion Modules or...
• Expandable to control up to 144 relays, monitor 144 inputs (or combinations of relays and inputs) using EXM-16 or EXM-32 Relay I/O Expansion Modules
• Expandable to also control Digital to Analog levels or monitor additional Analog to Digital channels - contact EECI support for more info
• Compatible with Windows 11, Windows 10, Windows Server, Windows 8.1, Windows 7, Windows Vista and Windows XP
• No complicated communication protocol - just one line of code is required to read all inputs (or control all relays) to greatly simplify software development. The USB connection and all initialization is completely automated.
• Use your own program to read, display and process the 4 analog inputs (and control relays) for any application or use the included software
• Source code examples included in Microsoft Visual Basic.Net, Visual C#, C++, Python, Microsoft ASP.Net and others
• LabVIEW compatible, includes LabVIEW VI, graphic software example and DLL library
• Includes Windows device driver and Android Apps* on CD (click Delivery Options above for USB Flash Drive). Requires USB type B cable (CC-USBB1 or CC-USBB6)
*Smartphone applications can vary, please contact EECI support to check compatibility for your device

Click the Android for free Android USB and Network Apps!