Squirrel SQ2040 - Powerful data loggers for all applications
Product Description
16 to 32 channel universal inputs suitable for temperatureprobes, humidity sensors, and pressure transducers. Maximum dataacquisition speed 100Hz on 2-channels.
Technical Specification
Analog Inputs
Accuracy: (at 25°C) voltage and resistance ± (0.05% readings + 0.025% range)
Common mode rejection: 100dB
Input impedance: > 1MW
Linearity: 0.0015%
Series mode line rejection: 50/60Hz 100dB
Analog-Digital Conversion
Type: Sigma-Delta
Resolution: 24bit
Sampling rate: up to 10, 20* or 100* readings per second per ADC
Alarm Outputs
4 x open drain FET (18V 0.1A)
Power output for external device
Regulated 5 VDC at 50mA or logger supply voltage at 100mA
Time and date
In built clock in 3 formats
Scaling data
Displays readings in preferred engineering units.
Memory
Internal: 16Mb (Up to 1,800,000 readings)
External: Up to 64Mb - removable MMC (For transferring internal memory and storing setups only)
Calculated Channels
Up to 16 virtual channels derived from physical input channels
Resolution
Up to 6 significant digits
Programming/Logger Setup
SquirrelView or SquirrelView Plus software
Communication
Standard: RS232 (Auto bauding to 115k baud) USB 1.1 and 2.0 compatible
External options: Ethernet, GSM and PSTN Modems
Power Supply
Internal: 6 x AA Alkaline batteries
External: 10-18VDC, Reverse polarity and over-voltage protected
Power Consumption @ 9V
Sleep mode: < 600µA
Logging: 40-120mA
Memory Modes (internal only)
Stop when full or overwrite
Display and Keypad
2 line x 40 character LCD display
Battery state and external power indicator
Operating Environment
-30°C to +65°C
Humidity: 90% at 40°C non condensing