SQ2020 WiFi
Product Description
The Squirrel 2020 Wi-Fi hand held data logger combines highperformance and universal inputs with the simplicity of Wi-Finetworking in a compact and easy-to-use instrument.
Using high accuracy, 24-bit analogue to digital converters,removable memory and wireless Ethernet (Wi-Fi) networking, theSQ2020 Wi-Fi is the ideal data logger for industrial, scientificresearch 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 analysesstraight out-of-the-box.
Technical Specification
| Analogue input channel options: | Analogue to digital converters: 2 Differential: 8 Single Ended*: 16 3 or 4 wire: 4 |
| Additional channels * Please refer to our Technical Note for the configuration of these inputs: | Pulse: (2 x fast-64kHz)& (2 x slow - 100Hz)
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| Analogue inputs: | Accuracy: (at 25°C) voltage and resistance (± 0.05% readings + 0.025% range) Common mode rejection: 100dB Linearity: 0.015% Input impedance: > 1MΩ Series mode line rejection: 50/60Hz 100dB |
| Analogue - digital conversion: | Type: Sigma - Delta Resolution: 24bit Sampling rate: up to 10, 20* or 100* readings per sec. per ADC. (* with mains rejection off) |
| Thermistor Ranges: | Y & U-type: - 50 to 150°C Pt100/ Pt1000: - 200 to - 850°C ( 3 or 4 wire) Customer specific thermistor range |
| Thermocouple Ranges; Differential and Single Ended: | K-type: - 200 to 1372°C R-type: - 50 to 1768°C B-type: 250 to 1820°C T-type: - 200 to 400°C S-type: - 50 to 1768°C C-type: 0 to 2320°C N-type: - 200 to 1300°C J-type: -200 to 1200°C D-type: 0 to 2320°C |
| Working environment: | - 30 to 65°C, RH up to 95% (non-condensing) |
| Voltage Ranges; Differential and Single Ended: | 0.075 to 0.075V, - 0.15 to 0.15V, - 0.3 to 0.3V, - 0.6 to 0.6V, 0.6 to 1.2V, 0.6 to 2.4V, - 3.0 to 3.0V, - 6.0 to 6.0 V, -6.0 to 12.0V, - 6.0 to 25.0V |
| High voltage input range: | 4.0 to 20.0V, 4.0 to 40.0V, 4.0 to 60.0 (max 2 may be selected |
| Current Ranges, Differential (Requires external 10Ω shunt): | -30.0 to 30.0mA, 4 to 20mA |
| Resistance Ranges, all 2 wire: | 0.0 to 1250Ω, 0.0 to 5000Ω, 0.0 to 20000Ω, 0.0 to 300000Ω |
| Resistance range 3 and 4 wire: | 0.0 to 500Ω, 0.0 to 4000Ω |
| Digital/Alarm Outputs: | 4 open drain FET (18V 0.1A) |
| Memory: | Internal: up tp 128M(up to 14 million readings) External: Up to 1Gb - removable MMC/ SD ( for transferring internal memory and storing setups only |
| Internal memory modes: | Stop when full or overwrite |
| Calculated channels: | Up to 16 virtual channels derived from physical input channels |
| Resolution: | Up to 6 significant digits |
| Display/Keypad: | 128*64 dot graphical display,4 button keypad |
| Power supply: | Internal: 6 x AA alkaline batteries External: 10-18VDC. Reverse and polarity and over-voltage protected |
| Power consumption@ 9V: | Sleep mode: 600μA Logging: 40 - 80 mA |
| Power output for external device: | Regulated 5VDC at 50mA or logger supply voltage at 100mA |
| Time and Date: | In-built clock in 3 formats |
| Communication: | Standard: Wireless Ethernet ( Wi-Fi): 802.11b, 2.4GHz, 1 to 14 channels. Security: Open, WEP(64 or128bi encryption), WPA orWPA2/ 802.11i. Network: Infrastructure only with specified SSID( external mains power required for Wi-Fi connection) RS232 ( Auto bauding to 115200 baud) USB 1.1 & 2.0 compatible External options: GSM, Wifi and PSTN Modems |
| Programming / logger setup: | Squirrelview or Squirrelview Plus Software |
| Dimensions (w x d x h), weight: | 235 mm x 175 mm x 55 mm, 1.2 kg, enclosure material ABS |