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Data Loggers and Sensors for monitoring indoor, outdoor and aquatic environments.

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Wind Speed and Direction... Wind Speed and Direction... 2
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Wind Speed and Direction Set Smart Sensor

Onset
S-WSET-B
The Wind Sensor Set includes Onset's research-grade plug-and-play Wind Speed Smart Sensor and the Wind Direction Smart Sensor. This combination provides average wind speed, highest 3-second wind gust, and average wind direction for the measurement interval. These durable sensors will provide many years of accurate and reliable performance.NOTE: Mount...
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HOBO MicroRX Station Data... HOBO MicroRX Station Data... 2
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HOBO MicroRX Station Data Logger - RX2100

Onset
RX2100
The compact and rugged HOBO MicroRX Station is an easy-to-deploy, low-cost cellular solution for long-term, reliable field monitoring. Two power source options are available; a solar panel for extended deployments, and user-replaceable batteries for flexible mounting in covered or protected locations. The station includes inputs for up to five of Onset’s...
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Water Level Cable for...
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Water Level Cable for RX2100 - CABLE-RWL

Onset
CABLE-RWL
The water level sensor cable provides the connection between the HOBO MicroRX Water Level Station and the water level sensor. Cables can be ordered in lengths from 1m to 500m for deployment in a wide range of applications. The 1, 2, 5, 10, 15, 30, and 60-meter cable lengths are standard and typically in stock. Custom cable lengths require a lead time of...
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FlexSmart TRMS Module (2...
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FlexSmart TRMS Module (2 channels) w/modular plug Sensor

Onset
S-FS-TRMSA-D
€101.00
The 15-bit two-channel FlexSmart True RMS Current / Voltage Module accepts an input range of 5mV to 512mV and is compatible with 333mV FS output sensors. Field wiring is 2-wire via screw terminals.NOTE: If using the S‐FS‐TRMSA‐D with a U30‐GSM or RX3003-00-01, the S‐FS‐TRMSA‐D should be located approximately 1 meter (3 ft) from the U30 in order to avoid...
Telaire 7001 CO2 Sensor
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Telaire 7001 CO2 Sensor

Onset
TEL-7001
The Telaire 7001 handheld carbon dioxide sensor features patented Absorption Infrared technology. Each sensor measures CO2 and temperature and can calculate and display real-time ventilation rates. When combined with the HOBO U12 or ZW Series it can record CO2, and when connected to an analog input on a H22, RX3000, or U30 Series it can record temperature...
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EC5 Soil Moisture Smart...
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EC5 Soil Moisture Smart Sensor - Small area of influence

Onset
S-SMC-M005
This affordably-priced soil moisture sensor offers a two-tine design for easy installation. In addition, the EC-5 is a smart sensor, allowing users to launch monitoring systems quickly, easily, and affordably. Since HOBO data loggers recognize this sensor, no complicated programming or setup is required. The EC-5 integrates with the field-proven ECH2O™...
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InTemp Bluetooth Low Energy... InTemp Bluetooth Low Energy... 2
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InTemp Bluetooth Low Energy Ambient Temperature Data Logger

Onset
CX403
The InTemp ® CX403 data logger features an internal sensor for monitoring ambient temperature. The logger communicates wirelessly via Bluetooth Low Energy to mobile devices. The CX403 features a built-in LCD display to view ambient temperature, advanced audible and visual alarm capabilities for notification of temperature excursions, and a NIST...
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InTemp Cryogenic Multiple... InTemp Cryogenic Multiple... 2
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InTemp Cryogenic Multiple Use Data Logger

Onset
CX703x
The InTemp CX703 Cryogenic data logger is a low-cost Bluetooth Low Energy (BLE)-enabled multiple-use logger that records temperature data for up to 365 days. The CX703’s built-in 1.5m probe measures temperatures as low as -200°C (-328°F) and includes a protective sheath to prevent accidental cutting of the cable.
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HOBO Water Level (30 ft)... HOBO Water Level (30 ft)... 2
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HOBO Water Level (30 ft) Data Logger

Onset
U20L-01
The HOBO U20L-01 is a low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments. It features 0.1% measurement accuracy, a polypropylene housing for use in both fresh and salt water, and a non-vented design for convenient and hassle-free deployment. This data logger...
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Optic USB Base Station
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Optic USB Base Station

Onset
BASE-U-4
The Universal Optic USB Base Station and couplers are used to offload data from any HOBO® data logger with an Optic USB interface. The splash-resistant Optic USB Base Station connects to your computer via USB, while connecting to the data logger via an appropriate coupler. This is compatible with the HOBO UA, U20, U22, U23, UTBI, U24 & U26 series.
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HOBO Pendant® G Data Logger HOBO Pendant® G Data Logger 2
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HOBO Pendant® G Data Logger

Onset
UA-004-64
Measure 3-dimensional motion, such as sports activity or medical therapy compliance with the HOBO® Pendant G data logger. With this logger, users can measure acceleration and angular displacement in 1, 2 or 3 axes. Use this data to monitor activity and improve performance.
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Type J Beaded Thermocouple...
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Type J Beaded Thermocouple - Range: 0 to 250°C Sensor

Onset
TC6-J
€20.00
The Type J 6 ft Beaded Thermocouple probe includes 1.8m (6') of insulated 30-AWG wire wound on an integrated spool caddy /subminiature connector. Color-coded for type J (black) thermocouples according to the ANSI standard.
Rainfall (2m cable) Smart...
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Rainfall (2m cable) Smart Sensor

Onset
S-RGB-M002
This Rain Gauge Smart Sensor measures rainfall with a resolution of .2 mm, and 1% accuracy for rainfall rates up to 12.7 cm. The tipping bucket mechanism is mounted on a stainless steel shaft with brass bearings. This model includes a 2m cable.Also available in a wireless model for use with the HOBOnet Field Monitoring System.
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Registrador de datos HOBO... Registrador de datos HOBO... 2
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Registrador de datos HOBO MicroRX para mediciones de nivel de agua - RX2100-WL

Onset
RX2100-WL
The HOBO MicroRX Water Level Station is a cellular, web-enabled water level monitoring solution for stormwater, floodwater, irrigation, hydrologic, and environmental applications. Pre-programmed water flow formulas for select weirs, flumes, and a stage discharge table result in an easy and intuitive configuration.New water flow and accumulated rainfall...
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EG4100 Series Current...
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EG4100 Series Current Transformer Sensor

Onset
T-EG-xxxx-xxxx
Split-core CTs from J&D Sensing offer a well constructed hinged body and are accurate to +/-1% from 1%-100% of their stated current rating. The small interval for physical size options (10mm/0.39", 24mm/0.94", and 36mm/1.42") allow for a flexible installation. Each CT size has a hinge and clipping mechanism, making it easy to close the CT in tight...
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Air Velocity and...
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Air Velocity and Temperature Sensor

Onset
T-DCI-F300-1x3
The F300 series is a versatile and rugged, high-performance air velocity and air temperature sensor. Designed with conformal coated electronics and sealed enclosure, the F300 is suitable for demanding applications, including those in corrosive or alkaline environments. With its robust, splash proof design, and UV tolerant construction, the F300 is...
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Smart Barometric Pressure...
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Smart Barometric Pressure Sensor

Onset
S-BPB-CM50
€242.00
The Barometric Pressure Smart Sensor has a measurement range of 660 mb to 1070 mb (19.47 to 31.55 inHg), and can perform measurement averaging to obtain the highest accuracy. The operating temperature range for this sensor is -40° to 70°C (-40° to 158°F). This weatherproof smart sensor is mounted outside the data logger enclosure.
Photosynthetic Light (PAR)...
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Photosynthetic Light (PAR) Smart Sensor

Onset
S-LIA-M003
€213.00
The Photosynthetic Light (PAR) Smart Sensor is intended to measure light intensity for the frequencies relevant for photosynthesis. This sensor has a measurement range of 0 to 2500 umol/m2/sec over wavelengths from 400 to 700 nm. Enclosed in a anodized aluminum housing with acrylic diffuser and o-ring seal, this model has a 3m cable; a light sensor...
Contact Closure Pulse Input...
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Contact Closure Pulse Input Adapter - 1 meter Sensor

Onset
S-UCD-M001
€72.00
The Contact Closure Pulse Input Adapter connects sensors with pulse outputs to data loggers with smart-sensor inputs. This smart sensor is compatible with contact closures, such as tipping-bucket rain gauges or reed switches with a maximum input frequency of 2 Hz (2 pulses per second), and a preferred switch-type of normally-open.
MX2500 Replacement Electrode
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MX2500 Replacement Electrode

Onset
MX2500-ELECTRODE
With its gel electrolyte and double Pellon® junction minimizing the chance of contamination of the reference electrolyte, this plastic-bodied electrode and the HOBO MX2501 pH and Temperature Data Logger are perfectly suited for environmental monitoring of streams, lakes, rivers, estuaries, and oceans. The electrode uses potentiometric and temperature...
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10HS Soil Moisture Smart...
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10HS Soil Moisture Smart Sensor - Large area of influence

Onset
S-SMD-M005
Measure soil moisture over a large volume of soil with the affordably-priced 10HS Soil Moisture Smart Sensor. This sensor integrates the field-proven 10HS Sensor and a 12-bit A/D, providing ±3% accuracy in most soils conditions, and ±2% accuracy with soil-specific calibration. The 10cm probes measure soil moisture over a larger volume of soil, helping to...
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InTemp Bluetooth Low Energy... InTemp Bluetooth Low Energy... 2
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InTemp Bluetooth Low Energy 15 Day Single-Use Temperature Data Logger

Onset
CX501
The InTemp CX501 Bluetooth® Low Energy data logger is a single-use logger that records temperature data for up to 15 days. Designed for Cold Chain and CRT shipments, the CX501 is ideal for parcel shipments, clinical trials, and expedited risk pharmaceutical shipments.Using the InTemp app on your mobile device, you can easily configure the CX501 with one...
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Analog/Temp/RH/Light Data... Analog/Temp/RH/Light Data... 2
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Analog/Temp/RH/Light Data Logger

Onset
MX1104
The HOBO MX1104 multi-channel data logger measures and transmits temperature, relative humidity, and light intensity data wirelessly. It also includes an external analog input to attach a variety of additional sensors.This self-contained wireless data logger lets you use your mobile device and Onset’s free HOBOmobile® app for iOS to access data, at any...
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