Bộ thu thập và lưu trữ dữ liệu Campbell Scientific Datalogger CR800

Thương hiệu: Campbell Scientific | Tình trạng: Còn hàng
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CR800-Series Dataloggers / CR800

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Bộ thu thập và lưu trữ dữ liệu Campbell Scientific Datalogger CR800


The CR800 is a smaller, research-grade datalogger designed for stand-alone operation in harsh, remote environments. It is intended for smaller configurations in which fewer sensors will be measured. Each CR800 reads input from sensors, then transmits the data via a communication peripheral; most sensors and telecommunication devices are compatible. Multiple CR800s can be configured as a network or units can be deployed individually.

Another datalogger, the CR850, is similar to the CR800, but it has an integrated keyboard and display screen for on-site control.

Benefits and Features

  • Ideal applications include wind profiling, weather stations, ETo/agriculture, air quality, soil moisture, water level/stage, aquaculture, vehicle testing, Time Domain Reflectometry, SCADA, and water quality

  • Simpler in design, the CR800 and CR850 are easier to program and wire.

  • Serial communications with serial sensors and devices supported via I/O port pairs

  • Contains custom ASIC chip that expands pulse count, control port, and serial communications capabilities

  • Compatible with channel expansion peripherals allowing you to expand your system

  • Supports PakBus, Modbus, SDI-12, and DNP3 protocols

  • Includes both an CS I/O port and an RS-232 port for connecting communication devices

  • Gas Discharge Tube (GDT) protected inputs

  • Battery-backed clock that ensures accurate time is maintained while datalogger is disconnected from battery power

  • Program with LoggerNet, PC400, or Short Cut to fit your setup

Detailed Description

The CR800 consists of measurement electronics encased in a plastic shell and an integrated wiring panel. This datalogger uses an external keyboard/display and power supply. Low power consumption allows the CR800 to operate for extended periods on a battery recharged with a solar panel—eliminating the need for AC power. The CR800 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.



Note: Additional specifications are listed in the CR800-Series Specifications Sheet.

Maximum Scan Rate

100 Hz

Analog Inputs

6 single-ended or 3 differential (individually configured)

Pulse Counters


Switched Excitation Channels

2 voltage

Digital Ports

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

  • 4 I/Os or 2 RS-232 COM 
    I/O ports can be paired as transmit and receive for measuring smart serial sensors.

Communications Ports

  • 1 CS I/O

  • 1 RS-232

Switched 12 Volt


Input Voltage Range

±5 Vdc

Analog Voltage Accuracy

±(0.06% of reading + offset) at 0° to 40°C

Analog Resolution

0.33 µV

A/D Bits


Power Requirements

9.6 to 16 Vdc

RTC Clock Accuracy

±3 min. per year (Correction via GPS optional.)

Protocols Supported

PakBus, Modbus, DNP3, FTP, HTTP, XML POP3, SMTP, Telnet, NTCIP, NTP, SDI-12, SDM

CE Compliance Standards to which Conformity Is Declared



3 years


24.1 x 10.4 x 5.1 cm (9.5 x 4.1 x 2 in.)


0.7 kg (1.5 lb)

Temperature Range


-25° to +50°C


-55° to +85°C


Operating System

2 MB flash

CPU Usage, Program Storage & Data Storage

4 MB

Current Drain

Sleep Mode

  • 0.7 mA (typical)

  • 0.9 mA (max)


  • 1 to 16 mA typical (without RS-232 communication)

  • 17 to 28 mA typical (with RS-232 communication)



CR800-series Measurement and Control System

CR800-series Specifications


CR800 and CR850 Measurement and Control Systems


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