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Grant Instruments SQ2040-4F16 Universal Input Data Acquisition

Squirrel 2040 Data Acquisition w/ (4) 100 Hz Channels

Grant Instruments DAQ with 16 to 32 Analogue Inputs and 8 Digital Inputs

Part Number: SQ2040-4F16

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  • Measures Current, Voltage, Resistance, High Voltage, Pulse and Digital Event/State Inputs

  • USB and RS-232 Serial Communications Ports and Optional Integated 802.11b Wireless (Wi-Fi) Ethernet

  • 16 True Differential or 32 Single Ended Universal Analog Input Channels

  • Analogue Inputs: Thermistors, Thermocouples, RTD Sensors (3 or 4 Wire) and 4-20mA Signals

  • Stores up to 1.8 Million Readings on Removable SD Card

  • Standard Sampling Rate up to 10 Hz, 20 Hz and 100 Hz Sampling Rates on 4 Channels

Includes USB Cable, 6 Alkaline Batteries, 4 Current Shunt Resistors, User Manual and SquirrelView Software for Setup and Data Download

Special order - please allow 5-7 days for this item to ship.


Squirrel 2040 Specifications

Data Channels Single-Ended: 32 Analog Channels
Differential: 16 Analog Channels
(Single-Ended or Differential Available, Not Both)
Analog to Digital Converter: 4
3 or 4 Wire: 8
Pulse: 4 (2 x 64KHz & 2 x 100Hz)
Event (Digital): 8 State Inputs or (1) 8-Bit Binary
High Voltage: 2
Temperature: 2 (Internal)
Analog Inputs Accuracy (Voltage & Resis.): 0.05% + 0.025% Range
Common Mode Rejection: 100dB
Input Impedance: > 1M Ω
Linearity: 0.015%
Series Mode Line Rejection: 50/60Hz 100dB
Sampling Rate 1 Second to 24 Hours (1 Sec. Increments)
2, 5, 10, 20 or 100 Hz
(20Hz or 100Hz Only Available on 4 Channels)
Analog to Digital Conversion Type: Sigma - Delta
Resolution: 24 Bit
Sampling Rate: up to 10, 20* or 100* Readings per Second
* With Mains Rejection Off
Alarm Outputs 4 (Open Drain FET - 18.0 Volts - 0.1 Amps)
Power Output External Devices: Regulated 5 Volts DC at 50 mA or Logger Supply Voltage (100mA)
Time and Date Built-In Clock in 3 Formats
Scaling Data Displays Readings in Preferred Engineering Units
Data Storage Capacity Internal: 16MB Storing up to 1.8 Million Samples/Readings
External: 1 GB SD Card (Removeable)
DC Voltage Ranges -0.075 to 0.075 Volts
-0.15 to 0.15 Volts
-0.3 to 0.3 Volts
-0.6 to 0.6 Volts
-0.6 to 1.2 Volts
-0.6 to 2.4 Volts
-3.0 to 3.0 Volts
-6.0 to 6.0 Volts
-6.0 to 12.0 Volts
-6.0 to 25.0 Volts
4.0 to 20.0 Volts*
4.0 to 40.0 Volts*
4.0 to 60.0 Volts*
* High Voltage (Max of 2 Can be Selected)
Current Range Differential: 4 to 20mA, -30mA to 30.0mA
(Requires External 10Ω Shunt)
Thermocouple Range J-Type: -200°C to 1200°C (-328°F to 2192°F)
K-Type: -200°C to 1372°C (-328°F to 2501°F)
N-Type: -200°C to 1300°C (-328°F to 2372°F)
R-Type: -50°C to 1768°C (-58°F to 3214°F)
S-Type: -50°C to 1768°C (-58°F to 3214°F)
T-Type: -200°C to 400°C (-328°F to 752°F)
(Differential and Single Ended)
Resistance Range 2-Wire: 0 to 1,250Ω, 0 to 5,000Ω, 0 to 20,000Ω, 0 to 300,000Ω
3-Wire and 4-Wire: 0 to 500Ω, 0 to 4,000Ω
Thermistor Range U & Y-Type: -50°C to 150°C (-58°F to 302°F)
Pt100/1000 Range
(3 or 4-Wire)
-200°C to 850°C (-328°F to 1562°F)
Calculated Channels Up to 16 Virtual Channels Derived from Physical Input Channels
Resolution Up to 6 Significant Digits
Communication RS-232: Serial Port - Auto Bauding to 115,200 Baud
Ethernet: 10/100 Base T (TCP/IP)
USB: 1.1 and 2.0 Compatible
Other: GSM, WiFi and PSTN Modems (External Attachments)
Wireless Communication
Wi-fi: 802.11b, 2.4GHz, 1 to 14 Channels
Security: Open, WEP (64 or 128bit Encryption), WPA or WPA2 / 802.11i
Network: Infrastructure Only with specified SSID, or any Network with no SSID
External Mains Power Required for Wi-fi
Power Supply Internal: 6 AA Alkaline Batteries
External: 10 to 18 Volts DC Power Supply
NOTE: Reverse Polarity and Over-Voltage Protected
Power Consumption Sleep Mode: 600 µA
Logging: 40 to 130 mA
Display/Keypad 2 Line x 20 Characters LCD Display
Display Functions Battery State and External Power Indicator
Keypad Lock
Meter Any Channel or Alarm
Select up to 6 Pre-Stored Setups
Status/Diagnostics/Memory/Time and Date
Download to MicroSD Card
Enclosure ABS Material
Operating Modes >> Stop When Full
>> Overwrite
Operating Range Temperature: -30°C to 65°C
Humidity: 90% at 40°C non-condensing
Standards Compliance CE
Weight 1.2 kilograms
Dimensions 23.5 cm x 17.5 cm x 0.95 cm
(235mm x 175mm x 95mm)

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