CR800 Measurement and Control Datalogger
Smaller, Simpler Datalogger
Research-grade power for smaller installations
weather applications water applications energy applications gas flux & turbulence applications infrastructure applications soil applications

Overview

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.

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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

Images

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.

Specifications

-NOTE- 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 2
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 1
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 13
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 IEC61326:2002
Warranty 3 years
Dimensions 24.1 x 10.4 x 5.1 cm (9.5 x 4.1 x 2 in.)
Weight 0.7 kg (1.5 lb)

Temperature Range

Standard -25° to +50°C
Extended -55° to +85°C

Memory

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)
Active
  • 1 to 16 mA typical (without RS-232 communication)
  • 17 to 28 mA typical (with RS-232 communication)

Compatibility

Sensors

With several channel types, the CR800 is compatible with nearly every available sensor, including thermocouples, SDI-12 sensors, and 4 to 20 mA sensors. A custom ASIC chip expands its pulse count, control port, and serial communications capabilities. The CR800's I/O ports can be paired as transmit and receive, allowing serial communications with serial sensors and devices.

Measurement & Control Peripherals

The CR800 is compatible with all of our CDMs (requires an SC-CPI), SDMs, multiplexers, vibrating-wire interfaces, terminal input modules, and relays. 

Communications

The CR800 communicates with a PC via direct connect, NL201 Ethernet Interface, multidrop modems, phone modems (land line, digital cellular, and voice-synthesized), RF telemetry, and satellite transmitters (Argos, Iridium, and Inmarsat.

Data can be viewed on the CR1000KD Keyboard Display, CD100 Mountable Display with Keypad, user-supplied iOS or Android device (requires LoggerLink), CD295 DataView II Display, or a user-supplied PDA (PConnect or PConnectCE software required).

The SC115 is the only compatible external data storage device. The CR800 does not have a peripheral port and is therefore not compatible with the CFM100, NL115, or NL120.

Enclosures

The CR800 and its power supply can be housed in any of our standard enclosures. 

Power

Any 12 Vdc source can power the CR800 datalogger. Power supplies commonly used with the CR800 are the BPALK, PS150, and PS200. The BPALK provides eight non-rechargeable D-cell alkaline batteries with a 7.5 A h rating at 20°C.

Both the PS150 and PS200 consist of a sealed rechargeable 7 A h battery and a charging regulator. Their battery should be connected to a charging source (either a wall charger or solar panel). These two power supplies differ in their charging regulator. The PS150 has a standard regulator and the PS200 has a micro-controller-based smart regulator. The PS200's regulator provides two-step constant voltage charging and temperature compensation that optimize battery charging and increases the battery’s life.

Also available are the BP12 and BP24 battery packs, which provide nominal ratings of 12 and 24 A h, respectively. These batteries should be connected to a regulated charging source (e.g., a CH100 or CH200 connected to a unregulated solar panel or wall charger).

Software

CRBasic, the CR800's full programming language, supports simple or complex programming and many onboard data reduction processes. Compatible software includes:

  • Short Cut
  • PC200W
  • PC400 (version 1.4 or higher)
  • LoggerNet (version 3.3 or higher)
  • RTDAQ
  • PConnect (version 3.3 or higher)
  • PConnectCE (version 2.2 or higher)
  • VisualWeather (version 2 or higher)

Downloads

CR800 OS v.31.08 (4.52 MB) 06-30-2017

Execution of this download installs the CR800 Operating System and Compiler on your computer.  It also updates the CR800 support files for the CRBasic Editor.  

Note: This OS has crossed the 2 Meg CR800 size limit for remote download.  The OS must be downloaded to the 2 Meg CR800 via direct connect with the Device Configuration Utility.  All OS download methods are supported by the 4 Meg CR800.

Upgrading from versions prior to version 28 of the Operating System will reset the datalogger’s CPU drive.  This is due to a change in the format of the file system from FAT16 to FAT32.  In order for the datalogger to operate correctly, as part of the upgrade, the CPU drive is formatted to FAT32.  Any programs stored and running from the CPU drive will be lost.  It is not recommended to update the datalogger’s Operating System over a remote connection where program control regulates the communication equipment (turning it on or off, etc.).  In these cases, an on-site visit and a backup using DevConfig’s backup utility is necessary to update the datalogger’s Operating System.

Watch the Video Tutorial: Sending an OS to a Local Datalogger.

In all cases where the datalogger is being updated from an Operating System prior to 28, the use of DevConfig’s backup utility is recommended due to the CPU drive being formatted using the new FAT32 format.

View Update History

Device Configuration Utility v.2.16 (46.3 MB) 08-18-2017

A software utility used to download operating systems and set up Campbell Scientific hardware. Also will update PakBus Graph and the Network Planner if they have been installed previously by another Campbell Scientific software package.

Supported Operating Systems:

Windows 10, 8.1, 8, and 7 (Both 32 and 64 bit)

View Update History

Frequently Asked Questions

Number of FAQs related to CR800: 155

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  1. Baler 2.2 was developed before the release of the CR800 and, therefore, does not work with it.The latest version of Baler does work with the CR800 and can be found in the Downloads section of the Baler product page.

    Note: As newer versions of Baler are released, upgrades to older versions may not work. The notes associated with the upgrade or patch indicate which previous version needs to be installed before installing the upgrade.

  2. Yes, but it is difficult and time consuming. The display is best used to make small changes in an existing program already installed in the datalogger.
  3. Yes. The CR800 and CR850 are compatible with exactly the same options as the CR1000 but with a lower channel count.

  4. The 5 V terminal is regulated and remains near 5 Vdc (±4%) as long as the CR800 supply voltage remains above 9.6 Vdc. Measurement of the output from 5 V (by means of jumpering to an analog input on the same CR800) enables an accurate bridge measurement if the 5 V terminal must be used for excitation.

  5. No, unless the internal lithium battery is below 2.7 Vdc. The lithium battery helps preserve the data, program, and clock setting when the 12 Vdc battery is removed.
  6. Yes. Many customers use the Iridium satellite transceiver.
  7. This can be done using the PakBus networking instruction SendGetVariables(), among other possible solutions. See the datalogger manual for detailed instructions and help.

Case Studies

Illinois: Automating a Data System
The McCook Reservoir is a ten-billion-gallon reservoir located in La Grange, Illinois. The Metropolitan Water......read more
Texas: Water Conservation
The city of Frisco, Texas, sits in an area that experienced severe drought from about......read more
Panama: Rainforest Turbidity
Water and Earth Technologies (WET), a Campbell Scientific integrator, is a water resources and environmental engineering firm.......read more
Sao Tome: Airport Weather System
Campbell Scientific’s system integrator, AUDIMOBIL LDA, recently upgraded the airport weather system in the S.......read more
Texas: Transitioning to ALERT2
ALERT2 is a modern communication protocol that improves upon 40 years of tradition within the......read more
Northern California: Hydro-SCADA
The Yuba County Water Agency (YCWA) needed to upgrade an unsupportable hydrologic supervisory, control, and......read more
Colombia: Geothermal Development
In 2013, RESPEC and the Dewhurst Group began collaborating on the Nevado del Ruiz geothermal......read more
Oregon: Fremont Bridge Monitoring
The Bridge Engineering Section of the Oregon Department of Transportation (ODOT) developed a structural health......read more

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