SQ2020

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.

• 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

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 14 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

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

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

Specifications

	Standard – SQ2020-1F8	High speed including Wi-Fi version – SQ2020-2F8
Analogue input channels	8 to 16	8 to 16
High voltage channels	2	2
Digital channels	8	8
Counter channels	4	4
Input types:
– current	•	•
– voltage	•	•
– resistance	2-wire	2-, 3- or 4-wire
– 3 or 4 wire Pt100/Pt1000	x	4
– temperature	•	•
Max no. readings per second	20 (on 1 channel)	100 (on 2 channels)
Accuracy	0.05%	0.05%
Display	128 x 64 dot matrix LCD	128 x 64 dot matrix LCD
Memory capacity	14 million readings	14 million readings
External memory (MMC/SD card)	•	•
RS232 communications	•	•
USB communications	•	•
Ethernet**	x*	•
Wi-Fi option**	x*	•
Alarm outputs	4	4
Sensor power output	regulated 5VDC@50 mA and external supply voltage up to 28V on 2010 and 18V on all others @100mA	regulated 5VDC@50 mA and external supply voltage up to 28V on 2010 and 18V on all others @100mA
Set-up/analysis software	SquirelView/SquirrelView Plus	SquirelView/SquirrelView Plus
Environment	– 30 to 65°C RH up to 95% (non-condensing)	– 30 to 65°C RH up to 95% (non-condensing)