CR300 Datalogger

The CR300 is a small, low-cost, high-value datalogger. It includes most of the features of our other dataloggers plus faster communications, low power requirements, built-in USB, and excellent analog input accuracy and resolution. Additionally, the CR300 is the first Campbell Scientific datalogger that can measure 4 to 20 mA sensors natively. Learn More


Drill & Drop Sentek Drill & Drop: Encapsulated Soil Moisture, Salinity, and Temperature Probe

The Sentek Drill & Drop is a fully encapsulated, easy to install soil measurement probe. The Drill & Drop consists of multiple sensors to measure soil moisture, salinity, and temperature at intervals of 10 cm (4 in) along the length of the probe.  The Drill & Drop probe is ideal for measuring soil moisture, salinity, and temperature in the crop's root zone, which optimizes irrigation efficiency.... Learn More


SR50AH Heated Sonic Ranging Sensor

The SR50AH heated sonic ranging sensor provides a non-contact method for determining snow or water depth. It determines depth by emitting an ultrasonic pulse and then measuring the elapsed time between the emission and return of the pulse. An air temperature measurement is required to correct for variations of the speed of sound in air. The SR50AH includes an integrated heater that prevents ice and rime... Learn More


RV50 Industrial 4G LTE Cellular Gateway

The RV50 is an industrial 4G LTE cellular gateway that provides serial and Ethernet connectivity to numerous cellular network. The RV50 is capable of LTE, CDMA/EV-DO, and GSM/GPRS/EDGE/WCDMA networking and is carrier approved in North America for Verizon, AT&T, T-Mobile USA, Rogers, Bell, and Telus. The networking and carrier used by the RV50 is determined by the active SIM card(s) inserted into the device. The... 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


SP230-L Heated Pyranometer

The SP230-L pyranometer, manufactured by Apogee, includes a 0.18 W internal heater and an elevated base that allow it to provide solar radiation measurements during the most severe weather. Its small heater draws just 15 mA of current, allowing it to be powered by a small solar panel and battery─even on days with a short duration of daylight and at high latitudes (far away from the equator). Note: In the... Learn More


EASYFLUX-DL Eddy-Covariance Datalogger Program

EasyFlux™-DL is a free CRBasic program that enables a CR3000 datalogger to collect fully corrected data fluxes from a Campbell Scientific open-path eddy-covariance (EC) system with optional energy balance sensors. The program processes the EC data using commonly used corrections in the scientific literature to provide fully corrected outputs of CO2 flux, latent heat flux, sensible heat flux, and surface heat flux (optional). Specifically, the... Learn More


CS225 Temperature String

Now Available 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... Learn More


CDM-A108 8-Channel 5 V Analog Input Module

The CDM-A108 is an analog input module that allows easy expansion of Campbell Scientific datalogging systems. The CDM-A108 features a 24-bit, analog-to-digital converter and a low-noise, analog front-end to provide superior analog 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


COM9602 Iridium Short Burst Data (SBD) Modem Kit

The COM9602 Iridium Short Burst Data Modem enables short burst data message transmissions from a remote Campbell Scientific datalogger via the Iridium network and the Internet. The COM9602 provides an RS-232 port for communication, along with power and control terminals. The COM9602 can be connected to the datalogger's RS-232 CS I/O or COM port. For a complete SBD solution, pair the COM9602 Iridium Short Burst Data... Learn More


CRS456 Water-Level Recording Sensor—Titanium

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


CDM-A116 16-Channel 5 V Analog Input Module

The CDM-A116 is an analog input module that allows easy expansion of Campbell Scientific datalogging systems. The CDM-A116 features a 24-bit, analog-to-digital converter and a low-noise, analog front-end to provide superior analog 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


TX321 Transmitter for GOES or Meteosat

The TX321 is a GOES and Meteosat satellite data transmitter. It provides an easy and reliable way for Campbell Scientific data collection platforms (DCP) to transmit data over geostationary satellites. The TX321 is typically used by government agencies and sponsored research organizations for the purpose of collecting environmental data. Learn More


PLS-C Pressure Probe with Conductivity Sensor

The OTT PLS-C Pressure Probe and Conductivity Sensor is used for accurately measuring the water, level, temperature, and specific electric conductivity of ground and surface waters. Based on the specific conductivity, the PLS-C also calculates the salinity and a total dissolved solids (TDS) value. The PLS-C uses a robust ceramic pressure cell and 4-electrode conductivity cell.  Its extremely low power consumption makes it ideal for long-term... Learn More


RF451 900 MHz 1 W Spread-Spectrum Radio

The RF451 is a powerful 900 MHz point-to-multipoint serial radio that is well suited for wireless networking with PakBus dataloggers that are located miles apart. The RF451 is a 902 to 928 MHz frequency-hopping spread-spectrum radio. The radio features high noise immunity, fast serial data transfer speeds, and the maximum transmit power allowed by the FCC in an effort to provide reliable, hassle-free operation. Constructing a network... 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


SOLYS GD Kipp & Zonen Tracker/Positioner

Kipp & Zonen's SOLYS GD is an advance over conventional automatic sun trackers. It does not require a computer and software for installation. The integrated GPS receiver automatically configures location and time data. Multi-colour LEDs indicate the operating status and an Ethernet port allows for software upgrades, testing and fault diagnosis. The high-efficiency gear drive system requires no maintenance. Watch an 11 part video series for the SOLYS... 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 in the Detailed Description section 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 analog input accuracy and resolution. The... Learn More


86000 RM Young 2D Ultrasonic Anemometer

The R.M. Young Model 86000 Ultrasonic Anemometer is a 2-axis, no-moving-parts wind sensor. It is ideal for general meteorological applications requiring accurate and reliable measurement. 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


CRVW3 3-Channel Vibrating Wire Datalogger

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


ARG100 Tipping Bucket Rain Gauge (0.2mm/tip)

The cost effective ARG100 aerodynamic tipping bucket was the first gauge designed to minimize the established effect of wind on reducing rainfall catch. The unique shape and evaporation-loss properties of the ARG100 results in more accurate rainfall measurements when compared to conventionally shaped cylindrical rain gauges. The ARG100 is manufactured with UV resistant plastic by high precision vacuum forming techniques, which allow the instrument to be... Learn More


SBS500 Powder Coated Aluminum Tipping Bucket Rain Gauge (0.2mm/tip)

EML’s SBS500 rain gauge utilizes the proven aerodynamic shape of the ARG100 and takes it to the next level. The aerodynamic design of the SBS500 minimizes airflow disruption, thereby reducing the risk of under measurement. The SBS500 is meant for more temperate climates where greater funnel-size provides superior aerial coverage in low to medium rainfall intensities. The funnel of the gauge is made from 2.5 mm... Learn More


SHM 30 Snow Depth Sensor (made by Jenoptik)

The SHM 30 snow depth sensor reliably determines snow depths of up to 10 meters within seconds and with millimeter precision. Based on an opto-electronic distance sensor emitting visible eye-safe laser light, the SHM 30 allows probing distances of up to 30 meters to detect the surface level. Even if the measuring process is impaired by precipitation, the SHM 30 reliably finds the snow surface... Learn More


HL4 Hydrolab Multiparameter Water Quality Sonde

The Hydrolab HL4 is the next generation multiparameter water quality sonde from OTT Hydromet. Its reliability, ease-of-use, and metadata produce water quality data you can trust. Know the sonde is working correctly and troubleshoot quickly with the self-monitoring system that reports the status of the sonde, shows the user where potential problems are, and gives assistance on how to solve issues. Calibration is made easier with... Learn More


CS230 Temperature Profiler

The CS230 temperature profiler uses SDI-12 digital technology for simple integration.  SDI-12 does away with analog measurement inaccuracies and susceptibility to electrical noise.  The CS230 consists of a rigid probe assembly and up to 4 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... Learn More


CHM15k Ceilometer

The CHM 15k series has high optical sensitivity for precise results. It is capable of performing year-round measurements in any climate. Measurements are not affected by fogging, precipitation, freezing, or overheating due to the double case structure combined with a window blower, and automatic heating system. Accurate results are obtained during the day and at night by a solid-state laser source with a long life, small... Learn More


SPS280 Solar Power System

The SPS280 solar power system possesses a total solar array capacity of 280W (2 x 140W). The outdoor rated battery enclosure is insulated, has the capacity to house all related controller/regulator and fusing electronics, and is vented to the atmosphere. The system is rugged and easy to assemble/disassemble facilitating transportation and installation. Learn More


PS150 12 V Power Supply

The PS150 is a 12Vdc power supply that includes a rechargeable 8.5 Ah value-regulated lead-acid (VRLA) battery and charging regulator. Charging power for the PS150 is typically supplied by an unregulated solar panel, AC/AC transformer, or AC/DC converter. The PS150 provides charging with temperature compensation for optimal charging and battery life. A maximum power point tracking algorithm is incorporated for solar inputs to maximize available... Learn More


CH150 12 V Charging Regulator

The CH150 is a charging regulator for an external rechargeable 12 V VRLA (valve-regulated lead-acid) battery, such as BP12 or BP24 offered by Campbell Scientific. Charging power for the CH150 is typically supplied by an unregulated solar panel, AC/AC transformer, or AC/DC converter. The CH150 provides charging with temperature compensation for optimal charging and battery life. A maximum power point tracking algorithm is incorporated for... Learn More


CMP10-L Kipp & Zonen Pyranometer

The Kipp & Zonen CMP10 is a secondary standard pyranometer with the best price-quality-performance ratio on the market. Based on the established CMP 11 technology, CMP10 extends this quality to applications where maintenance is difficult and/or forms a major part of the cost of ownership. The CMP10 has an internal drying cartridge that will last for at least 10 years if the housing is not opened.... Learn More


PVS5120D Discrete Portable Automatic Liquid Sampler

The PVS5120D is a discrete sampler that deposits its water samples into 1 to 24 containers. 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


COM9522B Iridium Satellite Modem Interface

The COM9522B interface enables communications between a computer or Campbell Scientific datalogger and the 9522B satellite modem.  Communications occur over the Iridium satellite network. Most Campbell Scientific dataloggers are compatible. Learn More


CVF4 Kipp and Zonen Ventilation Unit

Ventilation of radiometers improves the reliability and accuracy of the measurement by reducing dust, raindrops and dew on the dome. With thermopile-based instruments ventilation stabilizes the temperature of the radiometer and suppresses thermal offsets. The integrated heater can be used to disperse precipitation and melt frost, or even melt snow and ice in cold climates. Kipp & Zonen's CVF4 is a low power, low maintenance ventilation unit.... Learn More


ecoLog800 Groundwater System

The OTT ecoLog 800 is a self-contained system for the measurement of water level, temperature, and conductivity in groundwater and surface water applications. It features a complete in-well solution for groundwater measurement and flexible options for remote communications.  The OTT ecoLog800 is installed by simply hanging in an observation well with an inside diameter of 2 (5.08 cm) inches or greater. Learn More