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Campbell Scientific CR6 Datalogger

Campbell Scientific CR6 måling- og kontrolldatalogger er en kraftig og sentral komponent for en rekke datainnsamlingssystemer. Med denne loggeren introduseres de nye universelle (U) terminalene som tillater tilkobling av nesten enhver sensor – analog, digital eller smart. Det er også den første Campbell loggeren som støtter svingende streng (vibrating wire) målinger.

  • Kombinerer de beste egenskapene fra alle Campbell-dataloggerne, i tillegg til raskere kommunikasjon og forbedret analog nøyaktighet
  • Tolv U-porter pluss fire ekstra digitale kontrollporter (C) gir maksimal fleksibilitet
  • Fleksible strøm- og kommunikasjonsmuligheter gjør den ideell for avsidesliggende steder

Description

The CR6 measurement and control data logger is a powerful core component for your data-acquisition system. It combines the best features of all of the Campbell data loggers and offers faster communication, low power requirements, built in USB, compact size, and improved analog input accuracy and resolution. The CR6 also introduces the new universal (U) terminal, an ingenious way to allow virtually any sensor&mdashanalog, digital, or smart&mdashto be connected to any U terminal. This is also the first Campbell multipurpose data logger capable of recording static vibrating wire measurements.

All CR6 data loggers are tested and guaranteed to meet electrical specifications in a standard -40° to +70°C or extended -55° to +85°C non-condensing environment. Data logger recalibration is recommended every three years. System configuration and critical specifications should be confirmed with MeasureIt before purchase.

  • Powerfully versatile – multi-tool of data acquisition
  • U terminals configurable to what you want them to be: analog or digital, input or output
  • Static vibrating wire measurements using patented spectral analysis
  • Surge and overvoltage protection on all terminals
  • Flexible power input from solar panel, DC power supply, 12 V battery or USB
  • Onboard communication via Ethernet 10/100
  • Web server capability, including data display, configuration, diagnostics and security
  • Wiring made easy through removable terminal blocks
  • MicroSD card drive for extended memory requirements
  • Support for serial sensors with RS-232 and RS-485 native
  • CPI for hosting Campbell high-speed sensors and distributed modules (CDMs)
  • Programmable with CRBasic or SCWin program generator, completely PakBus compatible
  • Shared operating system (OS) with the popular CRBasic CR1000 and CR3000 data loggers

  • CPU: 32 bit with hardware FPU, running at 100 MHz
  • Internal memory: 4 MB SRAM for data storage and optional removable microSD for up to 16 GB, 1 MB flash for program, 6 MB flash for OS
  • Expandable memory: MicroSD drive for extended data storage up to 16 GB
  • Clock accuracy: ±3 min per year, optional GPS correction to 10 µS
  • External connections:
    • USB: USB micro B for direct connection to PC (limited power source during configuration), 2.0 full speed, 12 Mbps
    • Ethernet: 10/100 Ethernet RJ-45 for LAN connection
    • I/O: CS I/O port for connection to Campbell Scientific modems and displays
    • CPI: CPI port for terminal expansion using Campbell Distributed modules (CDM)
    • Battery: Battery terminal pair for regulated 12 V power input or rechargeable 12 V VRLA (valve-regulated, lead-acid) for UPS mode, 2,5 A @ 20°C
    • Charging: Charge terminal pair for 16 to 32 V from DC power converter or 12 or 24 V solar panel, 1,2 A @ 20°C
    • Switch power terminals: Two switched 12 V terminals for powering sensors or communication devices, 1,1 A 20°C
    • Full power terminals: One continuous 12 V terminal
  • Best analog accuracy: ±(0,04% of reading + 2 µV), 0 to 40°C
  • Best effective resolution: 50 nV (±200 mV range, differential measurement, input reversal, 5 Hz)
  • Dimensions: 20,3 x 10,2 x 6,1 cm
  • Weight: 0,42 kg
  • RoHS approval: Yes
  • Temperature range:
    • Standard: -40 to +70°C
    • Extended: -55 to +85°C
  • Twelve universal (U) terminals: Software configurable for analog or digital functions
    • Analog functions consist of:
      • Analog inputs: 12 single-ended or 6 differential with ±5000 mV, ±1000 mV, ±200 mV ranges 24 bit ADC
      • Analog outputs: ±2,5 V or ±2,5 mA ranges for bridge measurements 12 bit DAC
      • Static frequency-analyzed vibrating wire: terminal pair both excites to 12 V p-p and 100 Hz to 6,5 kHz and reads vibrating wire transducers using patented spectral-analysis technology (VSPECTM)
      • Thermistor: completion resistor internal 5 kΩ
      • Period average: up to 200 kHz, amplitude dependent
      • Low level AC: 1 Hz to 20 kHz, amplitude dependent
    • Digital I/O functions consist of 5 V or 3.3 V logic levels for:
      • General status/control
      • Voltage source: 5 V, 3,3 V, 20 mA @ 3,5 V
      • Timer I/O
      • Switched closure (150 Hz) or high frequency counter (1 MHz)
      • Pulse width modulation
      • Interrupts
      • SDI-12 and SDM
      • Serial asynchronous communication Tx/Rx pairs
  • Four control (C) terminals: Software configurable for digital functions
    • Digital I/O functions consist of 5 V or 3,3 V logic levels for:
      • General status/control
      • Voltage source: 5 V, 3,3 V, 20 mA @ 3,5 V
      • Timer I/O
      • Switched closure (150 Hz) or high frequency counter (1 MHz)
      • Pulse width modulation
      • Interrupts
      • SDI-12 and SDM
      • RS-232/RS-485 half or full duplex, Tx/Rx pairs

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