CR6 Automated Monitoring Platform

Rugged, wireless edge device and gateway with built-in connectivity, designed for geotechnical, structural, and environmental projects

The CR6 Automated Monitoring Platform, designed on decades of infrastructure and environmental monitoring experience, is used by some of the largest monitoring networks worldwide. With the unique ability to serve both as an edge device and gateway, this simplifies networks that would otherwise require discrete devices to provide complete access to your data.

This unique platform is used where reliability, flexibility, and compatibility are essential to your success. The CR6 ecosystem supports an array of powerful peripherals that add channel capacity, distributed measurements, and communication capabilities, as well as measure vibrating wire sensors dynamically.

Campbell Scientific’s vibrating wire measurement devices, including the CR6, are the only devices that use patented VSPECT® technology. VSPECT filters external noise from your sensor and gives you diagnostic information about the quality of your vibrating wire

Category:

The CR6 is the only monitoring platform currently available that operates as an edge device and gateway with connectivity, provides an industry standard for rugged design, has universal sensor compatibility and communication options, and includes VSPECT for vibrating wire measurements. 

Edge and Gateway Device 

The variability and site-specific challenges and constraints that exist in robust monitoring networks typically result in a wide array of devices to achieve full functionality. With built-in and modular measurement, processing, control, and communication capabilities, the CR6 is the only device that is needed. 

As a gateway device, the CR6 converts the data measured into the format or protocol required to seamlessly communicate on your network—whether on your computer or the cloud. Entry into the network does not require a separate edge device, as the CR6 also fills this role. Additionally, the CR6 forms a network as a connectivity device via spread-spectrum radio, Wi-Fi, serial, and RS-485. 

Using the CR6 as an edge device and gateway with connectivity allows you to standardize on a single platform in your monitoring program. This simplifies purchasing, inventory management, and an overall required knowledge base. The CR6 is capable of a wide range of over thirty-five M2M protocols that include PakBus, MQTT, DNP3, IPv4, IPv6, HTTP/HTTPS, and PPP. Connectivity options include cellular, radio, satellite, Ethernet, and Wi-Fi. These communication methods enable access to critical data and the ability to receive alarms triggered by user-configured thresholds and events. 

Native Vibrating Wire Using VSPECT 

VSPECT, Campbell Scientific’s patented technology for measuring vibrating wire sensors, significantly improves vibrating wire sensor measurements—regardless of the manufacturer of the sensor. For more details about this unique technology visit our VSPECT® Essentials web resource. 

Integrated Benefits for Simplicity and Reduced Costs 

The integrated benefits and capabilities of the CR6 make it the most flexible platform available. In addition to several spread-spectrum radio options that are compatible with available frequencies across the world, it also includes Wi-Fi, Ethernet, and compatibility with modular cellular and satellite modems. Using Campbell Scientific communication peripherals ensures complete compatibility and extremely low power consumption. 

The built-in charge regulator, with direct connections for main power or solar panels, is used to keep your battery charged. An intelligently designed and maintained power supply ensures long-term functionality and helps to capture data from critical events when you need it. 

With regular data collection intervals or remote access, the 4 MB of onboard CR6 memory will likely be sufficient. However, if your application requires high measurement frequency; long, unattended deployments; or data storage redundancy, the CR6 has built-in expandable memory via a microSD card. 

Communication Options 

    • The CR6 Automated Monitoring Platform is available in different integrated communications frequency radio options. 
    • CR6-WIFI: The CR6-WIFI comes factory-configured as a Wi-Fi access point. Alternatively, the CR6-WIFI can be configured to join an existing Wi-Fi network with standard or Enterprise (EAP) security. 
    • CR6-RF407: This 900 MHz, 250 mW, frequency-hopping spread-spectrum radio option can join a high-speed “mesh topology” radio network of other CR6s, ideal for medium-range, license-free radio communications. 
    • CR6-RF412: Designed primarily for unlicensed operation in Australia and New Zealand, this 922 GHz, 250 mW, frequency-hopping spread-spectrum radio can join a high-speed “mesh topology” radio network of other CR6s and is also ideal for medium-range, license-free radio communications. 
    • CR6-RF422: Used in the EU and ideal for short- to medium-range, license-free radio communications, this 868 MHz, 25 mW option includes listen-before-talk (LBT) and adaptive-frequency-agility (AFA). It can join a high-speed “mesh topology” radio network of other CR6s using the included RF422 radio. 
    •  CR6-RF452: With this internal 900 MHz, 1 W, frequency-hopping spread-spectrum radio option, the CR6-RF452 can be part of a “star topology” network where all radio-frequency (RF) traffic routes back through the gateway. This option is ideal for long-range, license-free radio communications. 

Universal Measurement and Control Terminals 

The Universal or “U” terminals allow each terminal to be configured to measure a multitude of different types of sensor outputs. This allows the CR6 to be used in many different applications, regardless of the sensor types required—analog, digital, smart, or vibrating wire. This nearly limitless array of sensors includes inclinometers, meteorologic, hydrologic, piezometers, water quality, etc. The flexibility of Universal channels allows you to standardize on a single monitoring platform for all projects. 

Support Staff 

Recognized for more than 45 years for our outstanding customer support, Campbell Scientific includes experienced product engineering teams, knowledgeable technical support, attentive sales staff, and market-focused professionals who are committed to ensuring your success throughout the lifetime of your project. 

  Rugged Design 

Unique to all CR6 Automated Monitoring Platforms is the design and manufacturing process used to ensure operational integrity in the most extreme environments. Each CR6: 

    • Includes surge electrostatic discharge (ESD) and over voltage protection, as well as dust protection. 
    • Is fully tested for shock and vibration tolerance. 
    • Is factory chamber tested for its full operational temperature range (standard range -40° to +70°C and extended range -55° to +85°C). 
    • Has been proven in hundreds of real-world applications. 

These extreme measures are required to manufacture a product with a meantime between failure (MTBF) of 557 years! This means that if you purchase a CR6 today, your probability of failures during the warranty period (three years) is 0.6%. The CR6 Automated Monitoring Platform will last the entirety of your project, even if that means decades.  

Benefits and Features 

    • All-in-one edge device and gateway with built-in connectivity 
    • Native vibrating wire measurements using VSPECT 
    • Integrated communication options, charge regulator, and expandable storage to provide simplicity and reduced costs 
    • Configurable Universal (U) measurement and control terminals to measure virtually any sensor or application 
    • Availability of Campbell Scientific qualified support staff 
    • Designed and manufactured for long-term operation in extreme environments 
-NOTE-
  • Additional specifications are listed in the CR6 Specifications Sheet.
  • This information applies to CR6 dataloggers with serial numbers 7502 and newer. These data loggers have two blue stripes on the label.
Operating Temperature Range
  • -40° to +70°C (standard)
  • -55° to +85°C (extended)
  • Non-condensing environment
Maximum Scan Rate 1000 Hz
Case Material High-impact-resistant polycarbonate and UV-resistant TPE, recycle code 7
Analog Inputs Up to 12 single-ended or 6 differential (The CR6 has 12 universal [U] and 4 control [C] terminals that can be programmed for a variety of functions. The number of analog inputs, switched excitations, and digital ports assume all the ports are configured the same.)
Universal Inputs 12 individually configured inputs for analog or digital functions
Pulse Counters 16 (C1 to C4 and U1 to U12)
Communications Ports
  • Ethernet
  • USB Micro B
  • CS I/O
  • CPI
  • RS-485
  • RS-422
  • SDI-12
Data Storage Ports microSD
Switched 12 Volt 2 terminals
Digital I/O 16 terminals (C1 to C4, U1 to U12) configurable for digital input and output. Terminals are configurable in pairs for 5 V or 3.3 V logic for some functions.
Input Limits ±5 V
Analog Voltage Accuracy
  • Accuracy specifications do not include sensor or measurement noise.
  • ±(0.04% of measurement + offset) at 0° to 40°C
  • ±(0.06% of measurement + offset) at -40° to +70°C
  • ±(0.08% of measurement + offset) at -55° to +85°C (extended temperature range)
ADC 24-bit
Power Requirements
  • 16 to 32 Vdc for charger input (CHG) (Current limited at 12 Vdc to 1.2 A at 20°C maximum.)
  • 10 to 16 Vdc for battery input (BAT) (Current limited at 12 Vdc to 2.5 A maximum at 20°C.)
Real-Time Clock Accuracy ±3 min. per year (optional GPS correction to ±10 µs)
Internet Protocols Ethernet, PPP, RNDIS, ICMP/Ping, Auto-IP (APIPA), IPv4, IPv6, UDP, TCP, TLS (v1.2), DNS, DHCP, SLAAC, Telnet, HTTP(S), SFTP, FTP(S), POP3/TLS, NTP, SMTP/TLS, SNMPv3, CS I/O IP, MQTT
Communication Protocols CPI, PakBus, SDM, SDI-12, Modbus, TCP, DNP3, UDP, NTCIP, NMEA 0183, I2C, SPI, and others
Battery-backed SRAM for CPU Usage & Final Storage 4 MB
Data Storage 4 MB SRAM + 72 MB flash (Storage expansion of up to 16 GB with removable microSD flash memory card.)
Idle Current Drain, Average
  • Assumes 12 Vdc on BAT terminals; add 2 mA if using CHG terminals.
  • < 1 mA
Active Current Drain, Average
  • Assumes 12 Vdc on BAT terminals; add 2 mA if using CHG terminals.
  • 3 mA (1 Hz scan)
  • 67 mA (20 Hz scan)
Static Vibrating Wire Measurements Supported
Dimensions 21.0 x 10.2 x 5.6 cm (8.3 x 4.0 x 2.2 in.)

Additional clearance required for cables and leads.

Weight 0.42 to 0.52 kg (0.92 to 1.15 lb) depending on communication option selected
CR6-RF407 Option
Radio Type Frequency Hopping Spread Spectrum (FHSS)
Output Power 5 to 250 mW (user-selectable)
Frequency 902 to 928 MHz (US, Canada)
RF Data Rate 200 kbps
Receive Sensitivity -101 dBm
Antenna Connector RPSMA
Idle Current Drain, Average 12 mA (@ 12 Vdc)
Active Current Drain, Average < 80 mA (@ 12 Vdc)
CR6-RF412 Option
Radio Type Frequency Hopping Spread Spectrum (FHSS)
Output Power 5 to 250 mW (user-selectable)
Frequency 915 to 928 MHz (Australia, New Zealand)
RF Data Rate 200 kbps
Receive Sensitivity -101 dBm
Antenna Connector RPSMA
Idle Current Drain, Average 12 mA (@ 12 Vdc)
Active Current Drain, Average < 80 mA (@ 12 Vdc)
CR6-RF422 Option
Radio Type Frequency Hopping Spread Spectrum (FHSS)
Output Power 2 to 25 mW (user-selectable)
Frequency 863 to 870 MHz (European Union)
RF Data Rate 10 kbps
Receive Sensitivity -106 dBm
Antenna Connector RPSMA
Idle Current Drain, Average 9.5 mA
Active Current Drain, Average 20 mA
CR6-RF427 Option
Radio Type Frequency Hopping Spread Spectrum (FHSS)
Output Power 5 to 250 mW (user-selectable)
Frequency 902 to 907.5 MHz/915 to 928 MHz (Brazil)
RF Data Rate 200 kbps
Receive Sensitivity –101 dBm
Antenna Connector RPSMA (External antenna required.)
Idle Current Drain, Average 12 mA (@ 12 Vdc)
Active Current Drain, Average < 80 mA (@ 12 Vdc)
CR6-RF452 Option
Radio Type Frequency Hopping Spread Spectrum (FHSS)
Output Power 10 to 1,000 mW (user-selectable)
Frequency 902 to 928 MHz
RF Data Rate 115.2 or 153.6 kbps (selectable speeds)
Receiver Sensitivity
  • -108 dBm at 115.2 kbps (for 10-4 BER)
  • -103 dBm at 153.6 kbps (for 10-4 BER)
RF Connector Reverse Polarity SMA (RPSMA) jack (external antenna required)
Idle Current Drain, Average 15 mA (@ 12 Vdc)
Active Current Drain, Average 650 mA (@ 12 Vdc)
CR6-WIFI Option
Operational Modes Client or Access Point
Operating Frequency 2.4 GHz, 20 MHz bandwidth
Antenna Connector RPSMA
Antenna pn 16005 unity gain (0 dBd), 1/2 wave whip, omnidirectional with articulating knuckle joint for vertical or horizontal orientation
Transmit Power 7 to 18 dBm (5 to 63 mW)

Brochures: CR6 Datalogger

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Brochures: CR6 Datalogger Specifications

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Brochures: Vibrating Wire Spectral-Analysis Technology (VSPECT)

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