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

Air Velocity & Temperature...
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Air Velocity & Temperature Remote Head Sensor

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T-DCI-F350-W5x3
The F350 series is a versatile, high performance, air velocity and air temperature sensor where the sensor element is built remotely from the sensor electronics. In products where segregation of the sensing element and electronics is desirable, such as products involving high EMI sensitivity or extreme temperature, or those where the sensing area is too...
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Contact Closure Pulse Input...
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Contact Closure Pulse Input Adapter - 6 meters Sensor

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S-UCD-M006
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.
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MX2500 Anti-Biofouling...
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MX2500 Anti-Biofouling Copper Guard

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MX2500-GUARD
The Anti-Biofouling Copper Guard can be used in addition to the standard electrode guard for protection against biofouling during deployment. The anti-biofouling guard uses copper to reduce biofouling, while still allowing proper water flow to the sensor.
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InTemp Bluetooth Low Energy... InTemp Bluetooth Low Energy... 2
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InTemp Bluetooth Low Energy 90 Day Single-Use Temperature Data Logger

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CX502
The InTemp CX502 Bluetooth® Low Energy data logger is a single-use logger that records temperature data for up to 90 days. Designed for Cold Chain and CRT shipments, the CX502 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 CX502 with one...
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HOBO 4-Channel Analog Data... HOBO 4-Channel Analog Data... 2
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HOBO 4-Channel Analog Data Logger

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MX1105
The HOBO MX1105 multi-channel data logger, with four-channel inputs, measures and transmits data wirelessly from a variety of sensors to your mobile device via Bluetooth Low Energy (BLE) technology.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 time, over a 30m range...
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RX2105 HOBO MicroRX Station RX2105 HOBO MicroRX Station 2
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RX2105 HOBO MicroRX Station

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RX2105
The compact HOBO MicroRX Station is an easy-to-deploy, low-cost cellular solution for long-term, reliable monitoring of indoor conditions in warehouses, cold storage facilities, data centers, museums, commercial and residential buildings, and more. The station includes an integrated HOBOnet Manager, for easy deployment with wireless HOBOnet sensors. The...
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CX450 InTemp Temp/Relative... CX450 InTemp Temp/Relative... 2
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CX450 InTemp Temp/Relative Humidity Data Logger

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CX450
The InTemp CX450 Bluetooth Low Energy Temp/RH data logger monitors temperature and relative humidity in storage and transportation environments. The logger uses Bluetooth Low Energy (BLE) technology to wirelessly communicate with the InTemp CX5000 Gateway and/or the free InTemp mobile app and send data to the free InTempConnect cloud platform.  The...
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Full Cross Arm Full Cross Arm 2
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Full Cross Arm

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M-CAA
For use with Onset tripods or masts, the full cross arm assures unobstructed wind measurement. Full cross arm (91.2cm) provides mounting for two wind sensors.
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HOBO... HOBO... 2
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HOBO State/Pulse/Event/Runtime Data Logger (84,650 measurements)

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UX90-001
The HOBO State/Pulse/Event/Runtime data logger records state changes,electronic pulses and mechanical or electrical contact closures from external sensing devices. This data logger is ideal for monitoring energy consumption, mechanical equipment operation, and water and gas flow. The HOBO UX90-001 State Data Logger is available in a standard 128 KB memory...
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300 Volt AC Potential...
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300 Volt AC Potential Transformer Sensor

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T-MAG-SPT-300
The Magnelab 300-Volt AC Potential Transformer is used with the FlexSmart TRMS Module to provide accurate measurement of AC voltage. One or two PTs can be used with each FlexSmart TRMS module. This sensor offers an accuracy of ±1% (from 10% to 130% of rated voltage), but because this transformers ties directly into the line, it should be used only by...
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MX2500 End Cap
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MX2500 End Cap

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MX2500-END-CAP
The replacement sensor end cap replaces the original sensor end cap that ships with the HOBO MX pH Logger.
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Davis® 0.2 mm Rain Gauge... Davis® 0.2 mm Rain Gauge... 2
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Davis® 0.2 mm Rain Gauge Smart Sensor

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S-RGF-M002
The Davis® Rain Gauge Smart Sensors features the new AeroCone® design, for better measurement accuracy in high-wind conditions. This gauge is made from UV-stabilized ABS plastic to provide a cost-effective sensor for rainfall measurement, and is plug-and-play compatible with all HOBO weather stations.Also available in a wireless model for use with the...
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Stevens SDX Pressure Sensor
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Stevens SDX Pressure Sensor

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T-SDX-93720-xxx-xxx
The Stevens SDX (Submersible Depth Transmitter) is a high-accuracy water level/depth sensor that works with Onset’s HOBO® RX3000 cellular weather station to bring your water level data to the web. Suitable for a wide range of level monitoring applications, the SDX is a cost-effective option for remote, real-time water level data collection. It is...
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Davis® Wind Speed and... Davis® Wind Speed and... 2
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Davis® Wind Speed and Direction Smart Sensor

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S-WCF-M003
Davis® Wind Speed/Direction Smart Sensors are compatible with all HOBO weather station loggers, HOBOware, and HOBOlink. They offer the same ease-of-use as existing Onset Smart Sensors, providing cost-effective HOBO weather stations for projects on a tight budget.  The sensors feature a plug-in modular connector for easy installation, and all configuration...
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InTemp Bluetooth Low Energy... InTemp Bluetooth Low Energy... 2
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InTemp Bluetooth Low Energy 365 Day Multiple-Use Temperature Data Logger

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CX503
The InTemp CX503 Bluetooth® Low Energy data logger is a multiple-use logger that records temperature data for up to a year. Designed for Cold Chain, CRT, and Frozen shipments, the CX503 is ideal for closed-loop monitoring applications, as well as qualification testing and equipment validation.Using the InTemp app on your mobile device, you can easily...
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HOBO MX2303 Two External... HOBO MX2303 Two External... 2
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HOBO MX2303 Two External Temperature Sensors Data Logger

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MX2303
The HOBO MX2304 is a weatherproof data logger with one external temperature sensor. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high-accuracy measurements in harsh outdoor environments.
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Bluetooth Low Energy Carbon... Bluetooth Low Energy Carbon... 2
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Bluetooth Low Energy Carbon Dioxide/Temp/RH Data Logger

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MX1102A
Onset’s HOBO MX1102A CO2 logger makes it more convenient than ever to measure and record CO2 in buildings and other non-condensing environments. It measures CO2 from 0 – 5,000 parts per million (ppm) – and our free HOBOmobile app* allows you to access data right from your mobile phone or tablet within a 100-foot range.The MX1102A also features a USB port...
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EG4115 Core - 15 Input... EG4115 Core - 15 Input... 2
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EG4115 Core - 15 Input Meter Data Logger

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EG4115
The EG4115 Core is a 15-channel energy meter with 0.5%  revenue-grade accuracy compliance and the ability to measure residential or commercial circuit panels, up to 3-phase 277/480VAC and 6900A. The meter has HomePlug AV powerline communication, an Ethernet port, and 2 USB ports for additional options, like WiFi. The embedded web server lets you connect...
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HOBO HOBOnet Soil Moisture... HOBO HOBOnet Soil Moisture... 2
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HOBO HOBOnet Soil Moisture 10HS Sensor

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RXW-SMD-868
The HOBOnet Wireless Soil Moisture Sensor integrates the field-proven ECH2O™ 10HS Sensor and provides readings directly in volumetric water content. The 10cm probes measure soil moisture over a larger volume of soil, helping to average out any soil variability. The sensor's high-frequency design minimizes sensitivity to salinity and textural effects, and...
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Sensor Inalámbrico HOBOnet... Sensor Inalámbrico HOBOnet... 2
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Sensor Inalámbrico HOBOnet de Precipitaciones

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RXW-RGF-868
The HOBOnet Wireless AeroCone® Rain Gauge records rainfall in 0.2-millimeter increments. HOBOnet Wireless Sensors communicate data directly to the RX3000 weather station or pass data through other wireless sensors back to the central station. They are preconfigured and ready to deploy, and data is accessed through HOBOlink, Onset’s innovative cloud-based...
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HOBO... HOBO... 2
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HOBO State/Pulse/Event/Runtime Data Logger ( 346,795 measurements)

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UX90-001M
The HOBO State/Pulse/Event/Runtime data logger records state changes,electronic pulses and mechanical or electrical contact closures from external sensing devices. This data logger is ideal for monitoring energy consumption, mechanical equipment operation, and water and gas flow. The HOBO UX90-001 State Data Logger is available in a standard 128 KB memory...
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HOBO Four External Channel... HOBO Four External Channel... 2
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HOBO Four External Channel Data Node (2 Analog and 2 Pulse)

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ZW-008
The HOBO® ZW-008 is a 4-channel wireless data node featuring two analog ports and two pulse input ports. It wirelessly transmits data in real time, reducing the costs and inconvenience associated with manual data offload.
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600 Volt AC Potential...
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600 Volt AC Potential Transformer Sensor

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T-MAG-SPT-600
The Magnelab 600-Volt AC Potential Transformer is used with the FlexSmart TRMS Module to provide accurate measurement of AC voltage. One or two PTs can be used with each FlexSmart TRMS module. This sensor offers an accuracy of ±1% (from 10% to 130% of rated voltage), but because this transformers ties directly into the line, it should be used only by...
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