Powerful data loggers for all wireless applications
Integral Wi-Fi Ethernet networking 
 High precision (0.05%) 
Advanced data management to MMC/SD card or PC 
Flexible communications (USB, Ethernet, RS232) 
High speed 100Hz on two channels 
 
Various Remote connection options e.g. via Ethernet or dial up modem 
The Squirrel SQ2020 Wi-Fi hand held data logger combines high performance and universal inputs with the simplicity of Wi-Fi networking in a compact and easy-to-use instrument. 
Using high accuracy, 24-bit analogue to digital converters, removable memory and Wi-Fi wireless Ethernet networking, the SQ2020 Wi-Fi is the ideal data logger for industrial, scientific research and quality assurance applications. Together with our comprehensive suite of software, SquirrelView, the SQ2020 provides standalone data acquisition, simple Wi-Fi networking, real-time metering and data analysis straight out-of-the-box. 
Key Features 
8 true differential or 16 single ended universal analogue inputs for voltage, current or resistance measurements plus 2 high voltage, 4 pulse and 8 digital event/state inputs 
Analogue inputs can be used with thermistors, thermocouples, 2, 3 or 4 wire RTD temperature sensors and 4-20mA signals 
Logging rates of up to 100Hz on up to two channels 
Large non-volatile internal memory storage for up to 14 million readings 
Download of internal data to removable MMC/SD (Multi Media Card / Secure Digital) memory 
Sensor power and FET outputs for use with external devices 
Easy to read LCD and simple 4 button user interface 
Up to 16 calculated / derived channels may be created using mathematical functions
Analogue inputs supported 
Thermistors 
Thermocouples 
Pt100/Pt1000 (maximum of four 3 or 4-wire Pt100/1000 sensors) 
Voltage 
Current 
Resistance 
 
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, Wireless Ethernet and RS232 connectivity for quick and easy PC and remote communication and Wi-Fi 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