519€ ex. VAT

16 channels (or 8 diff.) 24-bit resolution, 7 input ranges
Multichannel data loggers offering high resolution, high accuracy and programmable input ranges.

  • 24-bit resolution
  • Up to 8 true differential inputs
  • Up to 16 single-ended inputs
  • 7 input ranges (±39 mV to ±2500 mV) 
  • Fast conversion time
  • Digital outputs for control
  • Galvanic isolation from the PC to eliminate noise pickup
  • PicoLog data acquisition software included
  • Software drivers and SDK included

The ultimate in resolution and accuracy

With up to 24-bit resolution the ADC-20 and ADC-24 USB data loggers are able to detect small signal changes. Features such as true differential inputs, galvanic isolation and software-selectable sampling rates all contribute to a superior noise-free resolution and ensure that your measurements are reliable and accurate.
All Pico data acquisition products come complete with PicoLog.

This powerful yet flexible data acquisition software allows you to collect, manipulate, analyze, display and export data. With PicoLog you can sample up to one million readings at selectable sampling rates; and using PicoLog, or our driver with your own software, you can connect up to four units to one PC.

Flexible, multichannel data acquisition

Both the ADC-20 and ADC-24 feature true differential inputs for excellent noise rejection. To give you a very flexible system each differential input can also be configured as two single-ended inputs. With up to eight differential or 16 single-ended inputs on the ADC-24, this flexibility gives you complete control on what type of inputs you use. If you require more channels, you can use multiple PicoLog data loggers on the same PC.
With seven bipolar voltage ranges, the ADC-20 and ADC-24 are also flexible enough to be used with a wide range of sensors and signal types. There's also an external terminal board with screw terminals to allow you to quickly connect and disconnect different sensors.
Additionally, the ADC-24 has four configurable digital input/output channels that can be used to control alarms or other devices.
The flexibility of the ADC-20 and ADC-24 allows you to use these precision data loggers as an advanced multichannel data acquisition system with a low cost per channel.

No need for power supplies or batteries

The high-resolution ADC-20 and ADC-24 are powered directly by your PC — eliminating the need for batteries or a separate power supply, and making them ideal when you need a portable data logger.

The answer to your data acquisition needs

High resolution, true differential inputs, galvanic isolation, and selectable sampling rates combine to ensure that your measurements are always precise and accurate. Configurable inputs, digital inputs and outputs, and programmable voltage ranges give you a truly flexible answer to your data acquisition needs.
When you need the ultimate in high resolution and accuracy, the versatile ADC-20 and ADC-24 provide you with a portable answer with the performance and flexibility you need.




ADC-20 & ADC-24 Specifications

Resolution20 bits24 bits
Number of channels#4 differential / 8 single-ended8 differential / 16 single-ended
Conversion time (per channel)660 ms, 340 ms, 180 ms, 100 ms, 60 ms
Voltage ranges±2500 mV
±1250 mV
±2500 mV
±1250 mV
±625 mV
±312 mV
±156 mV
±78 mV
±39 mV
Accuracy0.2%0.1% (±39 mV to 1250 mV range)
0.2% (±2500 mV range)
Noise rejection120 dB typical at 50/60 Hz
Input impedanceDifferential: 2 MΩ
Single-ended: 1 MΩ
Common mode input range, channel to common±1.9 V (±39 mV to ±1250 mV ranges)
±3.0 V (±2500 mV range)
Common mode input range, common to earth ground±30 V
Common mode rejection ratio, channel to common95 dB (DC to 60 Hz)
Common mode rejection ratio, common to earth ground> 125 dB (DC to 60 Hz)
Overvoltage protection±30 V
Digital I/Onone4 bidirectional (3.3 V CMOS)
Output level, high: > 2.40 V
Output level, low: < 0.40 V
Input level, high: > 2.20 V
Input level, low: < 0.88 V
Reference output+2.5 V ±2.5 mV @ 2 mA
+5 V ±1.0 V @ 2 mA
–5 V ±1.5 V @ 2 mA

# The ADC-20 and ADC-24 have four and eight true differential input channels respectively. For flexibility each of these channels can be configured as either one differential channel or two single-ended channels.

PC requirements
MinimumProcessor: 1 GHz.
Memory: 512 MB.
Free disk space: 32-bit: 600 MB, 64-bit: 1.5 GB.
Operating system: 32-bit or 64-bit edition of Microsoft Windows 7, Windows 8 or 10.
Ports: USB 1.1.
RecommendedProcessor: 1 GHz.
Memory: 512 MB.
Free disk space: 32-bit: 850 MB, 64-bit: 2 GB.
Operating system: 32-bit or 64-bit edition of Microsoft Windows 7, 8 or 10.
Ports: USB 1.1 or higher.
For quoted accuracy20 °C to 30 °C
General operation0 °C to 45 °C
Relative humidity5% to 80% RH
Physical properties
Dimensions135 x 184 x 36 mm (5.31 x 7.24 x 1.41 in)
PicoLog for WindowsPicoLog data acquisition software can collect up to 1 million samples. Features include:
Multiple views — view data as a graph, spreadsheet or text
Parameter scaling — convert raw data into standard engineering units
Math functions — use mathematical equations to calculate additional parameters
Alarm limits — program an alert if a parameter goes out of a specified range
IP networking — transfer measurements via a LAN or over the Internet
Operating systems supported: Microsoft Windows 7 to 10
PicoLog languagesFull support for: English, Français, Deutsch
Menus and dialogs only for: Italiano, Español, Svenska
Software Development KitIncludes example code.
Optional free softwareDrivers for Linux and OS X.
Documentation languages
User’s guide
Installation guide

English, Français, Deutsch, Italiano, Español
English, Français, Deutsch, Italiano, Español, Svenska, Nederlandse, Dansk
Additional hardware (supplied)USB 2.0 cable, user manuals, software CD-ROM
PC interfaceUSB 1.1
I/O connector25-way D female
Power requirementsPowered from USB port
ComplianceEuropean EMC and LVD standards
FCC Rules Part 15 Class A
Total satisfaction guaranteeIn the event that this product does not fully meet your requirements you can return it for an exchange or refund. To claim, the product must be returned in good condition within 14 days.
Warranty5 years

USB 2.0 cable, user manuals, software CD-ROM

Available Options:

ADC-20/24 Terminal Board
The ADC-20/ADC-24 Terminal Board is designed for use with the 8-channel ADC-20 and 16-channel ADC-24 High-Resolution Data Loggers. For simple applications, you can simply connect sensor wires to the screw terminals on the terminal board, without the need for soldering. For more advanced applications, the Terminal Board enables you to design offset and extend the input ranges and build sensor circuits that condition measurements for the data loggers to process.

519€ ex. VAT

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