Bộ Lưu Trữ Và Xử Lý Dữ Liệu Cr3000 Datalogger Campbell Sientific

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The CR3000 Micrologger® supports complex applications with many sensors. It is fast and powerful enough to handle extended eddy-covariance systems with full energy-balance systems. Multiple CR3000s can be configured as a network or units can be deployed individually.

Designed for stand-alone operation in harsh, remote environments. The CR3000 consists of a compact, integrated package with a built-in power supply, a 128-by-64-pixel backlit graphical or eight-line numeric display, and a 16-character keyboard.

Benefits and Features

• Ideal applications include eddy covariance, wind profiling, HVAC, weather stations, vehicle testing, air quality, process control, mesonet systems, agriculture, soil moisture, time-domain reflectometry, water quality
• Integrated keyboard and display screen let you program, manually initiate data transfers, and view data, all on site.
• Includes a current excitation channel allowing direct connection of PRTs or other sensors that use a current excitation
• Serial communications with serial sensors and devices supported via I/O port pairs
• Supports PakBus, Modbus, SDI-12, and DNP3 protocols
• Communicates via various options: TCP/IP, email, FTP, web server.
• Gas Discharge Tube (GDT) protected inputs
• 4-MB memory can be expanded with add-on memory systems.
• Flexible power and communication options make it ideal for remote locations.
• Compatible with channel expansion peripherals allowing you to expand your system
• Battery-backed SRAM and clock that ensure data, programs, and accurate time are maintained while datalogger is disconnected from the main power source
• Contains custom ASIC chip that expands pulse count, control port, and serial communications capabilities
• Program with LoggerNet, PC400, or ShortCut to fit your setup.
• Collects and stores data and controls peripherals as the brain of your system

Technical Description

Housed in a portable, self-contained package, the CR3000 Micrologger consists of measurement and control electronics, communication ports, 16-character keyboard, display, power supply, and carrying handle. The integrated display shows 8 lines x 21 characters (64 x 128 pixels).

The CR3000 has a choice of three power-supply base options (alkaline, rechargeable, or no battery). Low power consumption allows the Micrologger to operate for extended time periods on its battery recharged with a solar panel—eliminating the need for AC power. It suspends execution when primary power drops below 9.6 V, reducing the possibility of inaccurate measurements.

The on-board operating system includes measurement, processing, and output instructions for programming the datalogger. The programming language, CRBasic, uses a BASIC-like syntax. Measurement instructions specific to bridge configurations, voltage outputs, thermocouples, and pulse/frequency signals are included. Processing instructions support algebraic, statistical, and transcendental functions for on-site processing. Output instructions process data over time and control external devices.

CR3000 Specifications

• Maximum Scan Rate: 100 Hz
• Analog Inputs: 28 single-ended or
  14 differential, individually configured
• Pulse Counters: 4
• Switched Excitation Channels: 4 voltage,
  3 current
• Digital Ports¹: 3 SDM and 8 I/Os or
  4 RS-232 COM²
• Continuous Analog Outputs: 2
• Communications/Data Storage Ports:
  1 CS I/O, 1 RS-232, 1 parallel peripheral
• Switched 12 Volt: 2
• Input Voltage Range: ±5 Vdc
• Analog Voltage Accuracy:
  ±(0.04% of reading + offset), 0° to 40°C
• Analog Resolution: 0.33 µV
• A/D Bits: 16
• Power Requirements: 10 to 16 Vdc
• Protocols Supported: PakBus, Modbus, DNP3, FTP, HTTP, XML POP3, SMTP, Telnet, NTCIP, NTP, SDI-12, SDM
• CE Compliance Standards to which Conformity is Declared: IEC61326:2002
• Warranty: 3 years

Temperature Range³

• Standard: -25° to +50°C
• Extended: -40° to +85°C

Memory

• Operating System: 2 MB Flash
• CPU Usage, Program Storage, and Data Storage: 4 MB

Typical Current Drain

• Sleep Mode: 2 mA
• Active (1 Hz sample rate): 3 mA
• Active (100 Hz sample rate): 10 mA

Dimensions

• With Low-Profile Base:
  24.1 x 17.8 x 7.6 cm
  (9.5" x 7.0" x 3.0")
• With Alkaline Battery Base:
  24.1 x 17.8 x 11.9 cm
  (9.5" x 7.0" x 4.7")
• With Rechargeable Battery Base:
  24.1 x 17.8 x 11.9 cm
  (9.5" x 7.0" x 4.7")

Weight

• With Low-Profile Base: 1.6 kg (3.6 lb)
• With Alkaline Battery Base:
  3.8 kg (8.3 lb)
• With Rechargeable Battery Base:
  4.8 kg (10.7 lb)

¹Certain digital ports can be used to count switch closures.

²I/O ports can be paired as transmit and receive for measuring smart serial sensors.

³Battery bases have different temperature ranges. The rechargeable base option has an operating temperature range of -40° to +60°C.  The alkaline base option has a temperature range of -25° to +50°C.

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Thanks and Best Regards!

_____________________

Nguyen Van Hung

Measurement and Control Equipment Co.,Ltd

847 Huyen Ky, Phu Lam, Ha Dong, Ha Noi, Viet Nam

Mobile: (+84) 904251826

Tel : (+84) 4 85894254

Yahoo: nvhung.mctt

Skype: nvhung.mctt

Email: nvhung@mctt.com.vn

Website: http://www.mctt.com.vn