CS240 PT-1000 Class A, Back of Module Temperature Sensor

The CS240 is a surface-mountable PT-1000 Class A RTD in a ruggedized form factor commonly used in solar energy applications to measure back-of-module temperature with the highest level of accuracy. To withstand the harsh treatment commonly seen in MET station installations, the RTD is safely housed inside a specially designed self-adhesive aluminium disk. Learn More


CRVW3 3-Channel Vibrating Wire Datalogger with RF Radio Option

The CRVW3 is a self-contained, low-cost, 3-channel VSPECT™ vibrating wire datalogger. It is designed to be an independent datalogger, or a reliable component in a larger data acquisition system. Arriving field-ready from the factory with power, communications, and an enclosure, the CRVW3 is built for your monitoring needs. Learn More


CR-PVS1 Soiling Index RTU for Photovoltaic Modules

Soiling, the loss of PV module power output due to accumulation of dirt and/or snow on the panel surface, has become one of the most important operational issues of solar energy power plant performance. The CR-PVS1 Soiling Index RTU provides solar energy professionals who are responsible for managing the performance of a PV power plant with the information needed to evaluate and manage the impact of... Learn More


Kalyx-RG Kalyx-RG Aerodynamic Rain Gauge

The Kalyx-RG is our recommended solutions for scientists and professionals on a limited budget but who still require scientific standard rain data. The gauge is based on the physical size of the traditional 127 mm (5”) Met Office rain gauge and has a unique aerodynamic profile. Learn More


EE181 Air Temperature and Relative Humidity Probe

The EE181 is a rugged, accurate air temperature and relative humidity (RH) probe that is ideal for long-term, unattended applications. It includes a proprietary coating on the RH element that increases the life of the element and protects it from dirt, dust, salt, or other contaminants. A 1000 Ω PRT measures air temperature for the -40° to +60°C range. For optimum results, the EE181 should be... Learn More


CR310 Datalogger with Ethernet

The CR310 is a multi-purpose, compact, low-cost measurement and control datalogger that includes an integrated 10/100 Ethernet port and removable terminal connectors. This entry-level datalogger, with its rich instruction set, can measure most hydrological, meteorological, environmental, and industrial sensors. It will concentrate data, making it available over varied networks and deliver it using your preferred protocol. The CR310 also performs automated on-site or remote decision making for control and M2M... Learn More


26432 EC155 Sample Cell with Heated Intake

The 26432 is the sample cell and intake assembly used with the EC155 Gas Analyzer (included with the CPEC200 system). A new version of the 26432 was released in January 2016 featuring several enhancements. Because of these enhancements, users may wish to replace their old sample cell and intake assembly with the new one. Installation and settings for the new 26432 are explained in the EC155... Learn More


CCFC Outdoor Observation and Surveillance Field Camera

The CCFC Field Camera is a high-quality, high-resolution outdoor zoom camera specifically designed for remote outdoor observation applications. The camera captures high-quality photos and video in wide angle and with 18x optical zoom under various lighting conditions. The CCFC consumes low power, making it ideal for outdoor observation in remote locations using a solar power battery. The camera can also operate with ac power where it is available. The field... Learn More


TDR200 Time-Domain Reflectometer

The TDR200 Time-Domain Reflectometer is the core of the Campbell Scientific time-domain reflectometry (TDR) system. TDR systems accurately determine soil volumetric water content, soil bulk electrical conductivity, rock mass deformation, or a user-specific time-domain measurement. One Campbell Scientific datalogger can control multiple TDR200 reflectometers. Learn More


Viewpoint Viewpoint display software

Viewpoint is data visualisation software for the Campbell Scientific CS135 ceilometer and CS120A and CS125 visibility and present weather sensors. It allows the user to display data from one or more sensors in a clear and versatile manner and to log data in several widely used formats. Various display charts are available and may be displayed individually or together. All charts are accompanied by a side... Learn More


RF422 868 MHz SRD860 Radio

The RF422 is an 868 MHz SRD860 radio designed to provide license-free operation for wireless serial communications in Europe. The RF422 transmits data at 10 kbps with a maximum power of 25 mW, and it employs listen-before-talk (LBT) and adaptive-frequency-agility (AFA) to provide a robust link of up to 100 m within buildings and 5 km with full line-of-sight. The RF422 supports point-to-point and point-to-multipoint... Learn More


CR300 Datalogger

The CR300 is a multi-purpose, compact, low-cost measurement and control datalogger. This entry-level datalogger, with its rich instruction set, can measure most hydrological, meteorological, environmental, and industrial sensors. It will concentrate data, making it available over varied networks and deliver it using your preferred protocol. The CR300 also performs automated on-site or remote decision making for control and M2M communications. The CR300 is ideal for small applications requiring long-term, remote monitoring... Learn More


PVS5120 Composite Portable Automatic Liquid Sampler

The PVS5120C is a composite sampler that deposits its water samples into a nine litre container. This sampler uses a vacuum sampler controller, the VSC100, to allow a Modbus RTU master, SDI-12 master device, simple pulse input, or Campbell Scientific PakBus datalogger to control and communicate with the water sampler. This sampler is lightweight, portable, and battery-powered. It can fit in a small-sized manhole and be suspended by... Learn More


CDM-A108 8-Channel 5 V Analog Input Module

The CDM-A108 is an analogue input module that allows easy expansion of Campbell Scientific datalogging systems. The CDM-A108 features a 24-bit, analogue-to-digital converter and a low-noise, analogue front-end to provide superior analogue measurements. This module also supports period average measurements and includes both current and voltage excitation channels. The CDM-A108 has eight differential input and two excitation channels. It provides a 12 V and a switched... Learn More


CDM-A116 16-Channel 5 V Analog Input Module

The CDM-A116 is an analogue input module that allows easy expansion of Campbell Scientific datalogging systems. The CDM-A116 features a 24-bit, analogue-to-digital converter and a low-noise, analogue front-end to provide superior analogue measurements. This module also supports period average measurements and includes both current and voltage excitation channels. The CDM-A116 has 16 differential inputs, four excitation channels, two 12 V ports, two switched 12 V ports,... Learn More


VWANALYZER Vibrating Wire Analyzer with Carrying Case and Sensor Cable

The Vibrating-Wire Analyzer (VWA) is the most innovative vibrating-wire field reader available. Field ready to quickly measure a sensor, save data, and communicate results with custom PDF reports and spreadsheet output. VWA measurements are geolocated with an integrated GPS, allowing the device to verify and provide guidance to sensor locations. The VWA uses spectral-analysis technology (VSPECT™) to provide the best vibrating-wire measurement possible while filtering... Learn More


SDM-SIO1A 1-Channel Serial I/O Module

The SDM-SIO1A is a serial I/O expansion module for Campbell Scientific dataloggers. It is designed to add an additional RS-232, RS-422, or RS-485 (half- or full-duplex) serial port to an SDM-capable datalogger for the purposes of interfacing with an intelligent sensor, actuator, or display. Up to 15 SDM-SIO1A modules can be connected to a single datalogger SDM port. The SDM-SIO1A behaves much like a native... Learn More


A300 Power and Signal Converter

The A300 is a logic-level shifter and voltage converter. It provides two level-shifting channels: the first converting 5 V to 3.3 V, and the second converting 3.3 V to 5 V. Additionally, the A300 provides a regulated 3.3 V power output. The A300 is commonly used when connecting the pulse-per-second (PPS) output of a GPS16X-HVS to a CR800-series, CR1000, or CR3000 datalogger. In 2014, Garmin changed... Learn More


RF407 900 MHz Spread-Spectrum Radio

The RF407 is a high-speed 900 MHz serial radio designed for unlicensed operation in several countries, including the United States and Canada. The RF407 is a 902 to 928 MHz frequency-hopping spread-spectrum radio with a configurable transmit-power output of 5 to 250 mW and software-selectable channel masking for improved RF interference immunity. This power-sipping, yet speedy, radio provides a cost-effective way to network dataloggers. The RF407... Learn More


31022 Zero Air Generator Zero Air Generator

The Zero Air Generator is a low-cost, handheld source of zero air (air that has been scrubbed of CO2 and water vapour) to be used for zeroing infrared gas analyzers (IRGAs). The #31022 consists of a small pump and a molecular sieve. The pump is powered by 2 AA batteries. A “Test” port located on the #31022 can be used to determine when to replace... Learn More


CRS451V Vented Water-Level Recording Sensor─Stainless Steel

The CRS451V consists of a submersible water-level and water-temperature sensor with its own time clock and memory to store the collected data—in a compact stainless-steel case. This datalogging capability frees users to place the sensor in remote sites and let it collect data for long periods. HydroSci software is included and elegantly supports test setup, data retrieval, and data display. Long battery life and rugged... Learn More


CRS456V Vented Water-Level Recording Sensor─Titanium

The CRS456V consists of a submersible water-level and water-temperature sensor with its own time clock and memory to store the collected data—in a compact titanium case. This datalogging capability frees users to place the sensor in remote sites and let it collect data for long periods. HydroSci software is included and elegantly supports test setup, data retrieval, and data display. Long battery life and rugged construction... Learn More


OBS501 Smart Turbidity Meter with Antifouling Features

The OBS501 features dual backscatter and sidescatter sensors, a shutter mechanism that keeps the lenses clean, and a refillable biocide chamber that prevents fouling–just like the OBS500. In addition, the OBS501 has improved performance in heavy sediment load environments. ClearSensor®  and OBS® are registered trademarks of Campbell Scientific. The OBS501 is constructed to prevent sand grains or packed sediment from getting wedged between the shutter and sensor... Learn More


SDM8X50 8-Channel 50 Ohm Coaxial Multiplexer for TDR Systems

The SDM8X50 is a 50 ohm, coaxial, 8:1 multiplexer used in a TDR100-based system. It consists of a surge-protected multiplexer circuit board enclosed in a metal housing and a separate strain-relief bracket for the coaxial cables. Both the multiplexer housing and strain relief bracket have holes drilled at a 2.5 cm spacing. This allows the SDM8X50 to be mounted to a wall or attached to the backplate... Learn More


CM106BE Tripod 2-3 m Galvanized-Steel-Tubing Tripod

The CM106BE is an adjustable tripod made of galvanized steel tubing. It replaces the CM106, and it is easier to set up and use. Like the CM106, it is adjustable from 2.1 m to 3 m, so it replaces the 1.8 m CM6 and the 3 m CM10. It is also lighter than those tripods because it is made with tubing and they are made with pipe. The CM106BE is a... Learn More


CR6 Measurement and Control Datalogger

Wi-Fi Option Now Available: Your CR6 can now create or join a Wi-Fi network. Read more below. The CR6 measurement and control datalogger is a powerful core component for your data-acquisition system. We combined the best features of all our dataloggers and added faster communication, low power requirements, built in USB, compact size, and improved analogue input accuracy and resolution. The CR6 also introduces our new... Learn More


NL121 Ethernet Interface

The NL121 is the easiest and lowest-cost way to add an Ethernet interface connection to a CR1000 or CR3000. This small device, about the size of a deck of cards, simply plugs onto the datalogger’s peripheral port. Through the NL121, the Internet capabilities of the datalogger can be accessed, such as PakBus, Modbus, and DNP3 over TCP, as well as Web, email, file transfer, and cloud-based... Learn More


CS225 SDI-12 Temperature Sensor String

The CS225 is a prime example of our commitment to provide the highest quality monitoring products in the world. Our revamped design, rigorous validation process, and stringent quality standards are all focused on providing the fantastic quality you require to reliably generate data you can trust, even in the harshest of environments. Learn more about the CS225's quality testing and validation process. The CS225 temperature string utilizes multi-point... Learn More


CS230-L SDI-12 Temperature Sensor Profiler

The CS230-L temperature profiler uses SDI-12 digital technology for simple integration and reliability. The CS230-L consists of a rigid probe assembly and up to four optional external temperature probes. The rigid probe assembly maintains the precise position of the temperature points within the profile, while protecting the temperature sensors in all mediums for the long-term. The CS230-L is suited for a wide variety of applications and environments, such... Learn More


NL116 Ethernet Interface and CompactFlash Module

Ethernet connectivity and expanded data storage capacity are easily added to a CR1000 or CR3000 by attaching an NL116. The Ethernet connection provides access to the powerful Internet capabilities of the datalogger for data collection and control. Additionally, gigabytes of data and file storage capacity can be added to the datalogger using a removable CompactFlash card. Learn More


SOLAR800 Solar-Resource Assessment Station

The Solar800 is a turn-key, solar-measurement data-acquisition system specifically designed for solar-resource assessment. The Solar800 provides the on-site data essential for a thorough understanding of a project site’s solar resources and variability. The system is designed with fast-to-field features that simplify and expedite installation: no system coding required, quick-deploy installation components and guide, and simple-to-configure software. Data retrieval is easy and flexible. Options include: FTP,... Learn More


CS125 Present Weather and Visibility Sensor

The CS125 is an infrared forward-scatter visibility and present weather sensor for stand-alone use or with automatic weather stations including those for road, marine, and airport applications. The CS125 has an attached 5 m (16.4 ft) cable and DB9 connector.  Learn More


NL201 Network Link Interface

The NL201 is a serial-to-Ethernet interface that provides a wired Ethernet network connection to dataloggers, peripherals, and other serial devices. The NL201 supports sophisticated networking capabilities for PakBus devices and networks. Using a unique technique to bridge the Ethernet and CS I/O ports, the NL201 can provide direct access to the integrated IP functionality of some Campbell Scientific dataloggers. The NL201 can also act as... Learn More


CDM-VW300 2-Channel Dynamic Vibrating Wire Analyzer

The CDM-VW300 is a 2-channel interface between sensors and dataloggers that allows shorter intervals between measurements. This interface uses an excitation mechanism that maintains the vibrating wire sensor in a continuously vibrating state. The interface measures the resonant frequency of the wire between excitations using the patented vibrating wire spectral-analysis technolgy (VSPECT™). VSPECT provides very fine measurement resolution and also limits the influence of external... Learn More


NL240 Wireless Network Link Interface

The NL240 is a wireless networking peripheral that provides Wi-Fi connectivity to our dataloggers and peripheral devices over standard 802.11b/g/n networks. It is a low-power device that offers unique and powerful PakBus networking capabilities, but it is easy to configure. The NL240 provides direct access to all the IP capabilities of the CR800, CR1000, and CR3000 dataloggers. Learn More


COM9522B Iridium Satellite Modem Interface

The COM9522B interface provides a convenient way to connect an Iridium 9522B satellite transceiver to a computer or datalogger and to a power supply. When the COM9522B interface and Iridium 9522B satellite transceiver are combined, a datalogger is easily accessible over the global Iridium satellite network. The COM9522B may be ordered individually or preferably as part of the IRIDIUM9522B Satellite Modem and Interface Kit. Learn More


CRS451 Stainless Steel - Water-Level Recording Sensor

The CRS451 consists of a water-level and water-temperature sensor that has its own time clock and memory to store the collected data, in a compact stainless-steel case. This frees users to place the sensor in remote sites and let it collect data for long periods. The sensor can then be retrieved, connected to a PC via a micro-USB port, and the data transferred to the... Learn More


CRS456 Titanium - Water-Level Recording Sensor

The CRS456 consists of a water-level and water-temperature sensor that has its own time clock and memory to store the collected data, in a compact titanium case. This frees users to place the sensor in remote sites and let it collect data for long periods. The sensor can then be retrieved, connected to a PC via a micro-USB port, and the data transferred to the... Learn More


CS-GPRS & CS-GSM Mobile Network Kits

The CS-GSM/GPRS kits feature a preconfigured COM110A modem that allows data to be collected from a remote datalogger across the GSM cellphone network. Also included are all of the necessary cables, interfaces, mounting brackets and an antenna to provide an easy to use solution out of the box. All that is needed to get the system up and running is a SIM obtained from the... Learn More


CS451 Pressure Transducer

The CS451 is a pressure transducer for water-level measurements in canals, wells, ponds, harbors, lakes, streams and tanks. It has a stainless-steel case that can be submerged in most canals, wells, ponds, lakes, and streams. The CS451 outputs either a digital SDI-12 or RS-232 signal to indicate observed pressure and temperature. This output can be read by many of our dataloggers. The CS451 replaces the CS450... Learn More


NL200 Network Link Interface

Campbell Scientific's NL200 is a powerful network link interface that provides a wired Ethernet network connection to dataloggers and peripherals. It allows our dataloggers, as well as other serial devices, to communicate over a local area network or a dedicated Internet connection. Additionally, the NL200 supports sophisticated networking capabilities, especially when used in PakBus networks with PakBus devices. For example, with the NL200, multiple PakBus... Learn More


CS135 Lidar Ceilometer

The CS135 LIDAR Ceilometer measures cloud height and vertical visibility for meteorological and aviation applications. Using LIDAR (light detection and ranging) technology, the instrument transmits fast, low-power laser pulses into the atmosphere and detects back-scattered returns from clouds and aerosols above the instrument. The CS135 complies with CAA and ICAO guidance and meets or exceeds all recommendations and specifications. (This includes CAP437, CAP670, and CAP746.) Tilt capability... Learn More


HydroSense II HydroSense II Display with Carrying Case

The HS2 is the handheld display for the new Hydrosense II soil-water sensor. When paired with either the CS658 or CS659 portable soil-water probes, it replaces the previous Hydrosense soil-water system. It features a new handheld display and a new probe design. The HS2 handheld has been designed to be compact and portable, with the layout of the buttons allowing for operation with one hand. Learn More


CD100 Mountable Display with Keypad

The CD100 is a mountable display with a keypad for datalogger data entry and display. It has a vacuum fluorescent display for responsive use through a very wide operating temperature range. Its operation is the same as the CR1000KD. Learn More


CS655 Soil Water Content Reflectometer 12 cm

The CS655 is a multiparameter smart sensor that uses innovative techniques to monitor soil volumetric-water content, bulk electrical conductivity, and temperature. It outputs an SDI-12 signal that many of our dataloggers can measure. It has shorter rods than the CS650, for use in problem soils. This product is supplied with a 3 m cable as standard, other lengths available to order. Learn More