Pico Data Loggers ADC-20 and ADC-24
Sku: PIC-ADC-20|24
Price: Price range: R7634,74 through R12881,04 incl Vat
Multichannel data loggers offering high resolution, high accuracy and programmable input ranges.
Product Information
Pico Data Loggers ADC-20 and ADC-24
Now with PicoLog Cloud®
Building on the proven design of PicoLog 6, PicoLog Cloud is a free upgrade that introduces many great new features that expand how your Pico data logger can be used.
PicoLog Cloud allows all current Pico data loggers and real-time scopes to capture data directly to our new free Cloud service, and can be shared via a link to any browser on a PC, phone or tablet, anywhere in the world. In addition, an API can be used that allows live capture data to be transferred from the Cloud to a 3rd party database or program.
High-resolution data acquisition
- Up to 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.
PicoLog 6 software – straightforward from the start
All Pico data acquisition products come complete with PicoLog 6. This powerful yet flexible data acquisition software allows you to collect, manipulate, analyze, display and export data.
Designed from the ground up to be intuitive from the outset, PicoLog 6 allows you to set up the logger and start recording with just a few clicks of the mouse, whatever your level of data logging experience.
From here, starting a capture is simple: plug in the logger, add a channel, press Record, and you’re logging! PicoLog 6 also includes a number of additional features to cater for more advanced data logging needs.
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.
- 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
| ADC-20 | ADC-24 | ||||||
|---|---|---|---|---|---|---|---|
| Resolution | 20 bits | 24 bits | |||||
| Number of channels[1] | 4 differential / 8 single-ended | 8 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 |
|||||
| Gain error | 0.2% of reading | 0.1% (±39 mV to 1250 mV range) 0.2% (±2500 mV range) |
|||||
| Offset accuracy | 6 µV (±39 mV range) 7 µV (±78 mV range) 9 µV (±156 mV range) 13 µV (±313 mV range) 20 µV (±625 mV range) 36 µV (±1250 mV range) 400 µV (±2500 mV range) |
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[1]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.
| Noise-free resolution and conversion time | |||||||
|---|---|---|---|---|---|---|---|
| Conversion time per channel | Voltage ranges & noise-free resolution (bits) for the full range of conversion times | ||||||
| ±39 mV | ±78 mV | ±156 mV | ±313 mV | ±625 mV | ±1250 mV | ±2500 mV | |
| ADC-24 only | ADC-20 and ADC-24 | ||||||
| 660 ms | 17 | 18 | 19 | 20 | 20 | 20 | 20 |
| 340 ms | 17 | 18 | 19 | 19 | 19 | 20 | 20 |
| 180 ms | 16 | 17 | 18 | 19 | 19 | 19 | 19 |
| 100 ms | 16 | 17 | 18 | 18 | 18 | 19 | 19 |
| 60 ms | 15 | 16 | 17 | 18 | 18 | 18 | 18 |
| ADC-20 | ADC-24 | |
|---|---|---|
| Noise rejection | 120 dB typical at 50/60 Hz | |
| Input impedance | Differential: 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 common | 95 dB (DC to 60 Hz) | |
| Common mode rejection ratio, common to earth ground | > 125 dB (DC to 60 Hz) | |
| Overvoltage protection | ±30 V between any input and common | |
| Digital I/O | none | 4 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 |
| Isolation (input to input) | None | |
| Isolation (input to ground) | Galvanic up to ±30 V AGND and DGND isolated |
|
| Reference output | +2.5 V ±2.5 mV @ 2 mA +5 V ±1.0 V @ 2 mA –5 V ±1.5 V @ 2 mA |
|
| Software | ||
|---|---|---|
| PicoLog and PicoSDK | Available from www.picotech.com/downloads | |
| Example code | Available from Pico’s GitHub organization page, github.com/picotech | |
| PicoLog user interface languages | English (US), English (UK), German, Spanish, French, Italian, Dutch, Polish, Russian, Simplified Chinese, Japanese, Korean | |
| PC requirements | |
|---|---|
| Minimum | Processor, Memory, Free disk space: As required by the operating system Operating system: Microsoft Windows 10 and 11, 64-bit versions; macOS 14 (Sonoma) or later, 64-bit only; Linux*, 64-bit only Ports: USB 2 |
* PicoLog 6 for Linux is distributed as an AppImage, so you can install it without superuser permissions: see appimage.org for further information. The software has been tested on Red Hat, OpenSUSE and Ubuntu.
[2]PicoSDK 10.6.11 are the last versions compatible with Microsoft Windows XP (SP3) and Vista SP2, and they are also compatible with the Windows versions above.
| Environmental | ||
|---|---|---|
| Temperature range, operating, for quoted accuracy | 20 °C to 30 °C | |
| Temperature range, operating | 0 °C to 45 °C | |
| Temperature range, storage | –20 to +60 °C | |
| Humidity range, operating | 5 to 80 %RH, non-condensing | |
| Humidity range, storage | 5 to 95 %RH, non-condensing | |
| General | ||
|---|---|---|
| I/O connector | 25-way D female | |
| Power requirements | Powered from USB port, 100 mA (max.) A 4.4 m (13.8 ft) USB cable is permanently attached to the logger |
|
| Dimensions | 135 x 184 x 36 mm (5.31 x 7.24 x 1.41 in) | |
| Weight | Approx. 505 g (17.8 oz) | |
| Compliance | European EMC and LVD standards FCC Rules Part 15 Class A |
|
| Warranty | 5 years | |
| Product name | Description |
| ADC-20 Data Logger | 8 channel, 20-bit resolution precision data logger |
| ADC-20 Data Logger including terminal board. | 8 channel, 20-bit resolution precision data logger including terminal board |
| ADC-24 Data Logger | 16 channel, 24-bit resolution precision data logger |
| ADC-24 Data Logger including terminal board | 16 channel, 24-bit resolution precision data logger including terminal board |
Accessories
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ADC-20/24 terminal board |
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Calibration certificate for voltage input data logger |
For more information, please click here
| Resource | Language | Version | Size | Updated |
|---|---|---|---|---|
| Data Sheets: | ||||
| ADC-20 and ADC-24 Data Sheet | English | 4 | 6 MB | September 13 2021 |
| Fiche technique de l’ADC-20 et de l’ADC-24 | Français | 3 | 1 MB | December 08 2021 |
| Scheda dati ADC-20 e ADC-24 | Italiano | 4 | 1 MB | December 08 2021 |
| Datenblatt zu ADC-20 und ADC-24 | Deutsch | 3 | 1 MB | December 08 2021 |
| Ficha Técnica ADC-20 y el ADC-24 | Español | 4 | 1 MB | December 08 2021 |
| ADC-20 和 ADC-24 数据表 | 中文 (简体) | 4 | 2 MB | December 08 2021 |
| ADC-20 および ADC-24 データシート | 日本語 | 4 | 2 MB | December 08 2021 |
| ADC-20 및 ADC-24 데이터 시트 | 한국어 | 4 | 1 MB | December 08 2021 |
| User’s Guides: | ||||
| ADC-20 and ADC-24 User’s Guide | English | 7 | 2 MB | April 30 2019 |
| ADC-20/ADC-24 Terminal Board User’s Guide | English | 8 | 656 KB | September 21 2022 |
| ADC-20 et ADC-24 manuel d’utilisation | Français | 4 | 909 KB | April 03 2013 |
| ADC-20 und ADC-24 Benutzerhandbuch | Deutsch | 4 | 909 KB | May 15 2012 |
| ADC-20 y ADC-24 Guía del usuario | Español | 4 | 908 KB | May 03 2013 |
| ADC-20 e ADC-24 Guida all’uso | Italiano | 4 | 909 KB | May 02 2013 |
| Programmer’s Guides: | ||||
| ADC-20 and ADC-24 Programmer’s Guide | English | 2 | 765 KB | November 05 2019 |
| Quick Start Guides: | ||||
| USB Data Logger Quick Start Guide | English Français Deutsch Italiano Español 中文 (简体) 한국어 日本語 |
10 | 2 MB | August 01 2022 |
| Training Guides: | ||||
| PicoLog Frequently Asked Questions | English | 3 | 938 KB | April 05 2019 |
| Declarations: | ||||
| ADC-20 and ADC-24 EU Declaration of Conformity | English | 6 | 539 KB | September 15 2025 |
| ADC-20 and ADC-24 FCC Declaration of Conformity | English | 1 | 165 KB | January 30 2023 |