Up to 16 universal inputs 
High precision (0.05%) 
Advanced data management to MMC/SD card or PC 
Flexible communications (USB, Ethernet, RS232) 
High speed option (100Hz) 
Various Remote connection options e.g. via Ethernet or dial up modem 
 
Squirrel 2020 series offers high performance universal data loggers packed with powerful features to provide great flexibility to handle a wide range of routine and demanding applications. 
 
Hand-held and lightweight, the Squirrel 2020 models are easy, fast and convenient to use - either as stand-alone loggers or as PC-linked data acquisition systems in industrial and scientific research and quality assurance applications. 
Twin processors, multiple 24-bit analogue-to-digital converters, up to 16 universal channels and a choice of communications methods ensure that the Squirrel 2020 series provides state-of-the-art data logging and communication capability for sophisticated applications needs.
Key Features
Standalone data logger or link to a PC 
Compact and portable 
8 to 16 universal analogue plus 8 digital inputs 
Up to 16 derived /calculated channels 
4 alarm outputs 
4 pulse rate / counter inputs (2 at up to 64kHz, 2 at up to 100Hz) 
Configured via integral interface or via PC 
0.05% basic accuracy 
Up to 1.8 million readings 
Removable MMC / SD card 
In-built Ethernet networking capability (SQ2020-2F8 only) 
USB and RS232 connectivity 
Analogue inputs supported 
Thermistors 
Thermocouples 
Pt100/Pt1000 (maximum of four 3 or 4-wire Pt100/1000 sensors) 
Voltage 
Current 
Resistance 
The Squirrel 2020 series comprises two models: 
Squirrel 2020-1F8 
Up to 20 readings per second on 1 channel 
Squirrel 2020-2F8 (high speed model) 
Up to 100 readings per second on 2 channels 
In-built Ethernet connectivity 
Up to four 3 or 4 wire Pt 100/1000 sensor inputs 
 
8 to 16 universal analogue inputs for recording temperature, current, voltage and resistance 
Easy to use, removable connector system 
Power output for sensor excitation / external devices 
2 high voltage channels (up to 60V) for automotive applications 
USB, Ethernet and RS232 connectivity for quick and easy PC and remote communication and networking 
Power supply – internal alkaline batteries or external DC power supply 
Up to 8 digital and 4 pulse rate / counter inputs. Can be logged or used as triggers 
4 alarm outputs for triggering external devices
 
To operate the logger simply use the four integral push buttons and display, or use the convenient SquirrelView set-up, download and export software – free with every Squirrel logger 
Convenient 2 line x 20 character backlit LCD for easy access to readings and set-up information 
Robust, ergonomically designed case with easy access to all user facilities 
Store up to 1.8 million readings in the Squirrel’s onboard memory 
Store up to 6 logger configurations. Load from a removable MMC / SD card for speed and convenience, or download data files to the card
Key Capabilities
Create complex schedules of logging rates, triggers and alarm outputs 
Scale and view readings in real time on the integral display or on a PC running SquirrelView or Excel 
Display readings in preferred engineering units e.g. Hz, Bar, Pascals, Nm etc. 
Select logging rates up to 100 readings per second on up to 2 channels (20Hz maximum on Squirrel model 2020-1F8) 
Derive up to 16 calculated (virtual) channels from real input channels using mathematical functions 
Concurrently sample channels at different sample speeds