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

12-bit Voltage Input...
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12-bit Voltage Input Adapter Sensor

Onset
S-VIA-CM14
€76.00
The 12-bit Voltage Input Adapter interfaces with sensors providing 0-5 VDC signals to act as a smart sensor with compatible data loggers. This adapter features both a non-switched input and a battery-saving switched input that extends the life of external batteries. It also provides a trigger signal for controlling power to attached external sensors,...
R.M. Young Marine Wind...
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R.M. Young Marine Wind Monitor (model 05106) Adapter

Onset
S-WCC-M003
The S-WCC-M003 adapter connects the R.M. Young Marine Wind Monitor Sensor (model 05106) with Onset's line of research-grade weather stations, including the HOBO U30 Remote Monitoring System, H21, and H22 weather station and energy monitoring systems. The R.M. Young 05106 Marine Wind Monitor is extra rugged for marine use.
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HOBOnet PAR Sensor HOBOnet PAR Sensor 2
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HOBOnet PAR Sensor

Onset
RXW-LIA-868
The HOBOnet Wireless Photosynthetic Active Radiation (PAR) Sensor measures light intensity for frequencies relevant to photosynthesis. 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...
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HOBO Motor On/Off Data... HOBO Motor On/Off Data... 2
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HOBO Motor On/Off Data Logger (346.795 measurements)

Onset
UX90-004M
The HOBO Motor On/Off data logger records motor on and off conditions within an AC magnetic field with its internal sensor, or mechanical dry contact closures from external sensing devices. This data logger is ideal for tracking the usage & runtimes of motors, pumps, compressors, and other equipment. The HOBO UX90-004 Motor On/Off Data Logger is...
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HOBO Water Level Data... HOBO Water Level Data... 2
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HOBO Water Level Data Logger (0 - 9m)

Onset
U20-001-01
Monitor water levels and temperatures in wells, streams, lakes and wetlands (freshwater) with this 13-foot HOBO Water Level Data Logger. With its narrow range this logger provides the best accuracy in shallow waters. This logger offers a great value and easy deployment since there are no cumbersome vent tubes or desiccants to maintain. For saltwater...
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MX2500 Electrode Storage...
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MX2500 Electrode Storage Solution (475 mL)

Onset
MX2500-STORE-SOLN
€0.00
The Electrode Storage Solution is used to properly store and condition the pH electrode that is used with the HOBO MX pH Logger. The purpose of the storage solution is to maintain the hydrated gel layer that is integral to accurate pH readings.
Split-core AC current...
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Split-core AC current Sensor ( Available in 5 ranges - 20, 50, 100, 200 & 600 Amps)

Onset
CTV-x
A split-core AC current sensor records AC amperage for use with U12 Series, UX120-006M and ZW Series of data loggers with external input channels. With an input current of AC current, sine wave, single phase 50 Hz or 60 Hz, load power factor 0.5 to 1.0 lead or lag.The molded-plastic housing is rated for indoor use per UL508.
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HOBO Water Level Data... HOBO Water Level Data... 2
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HOBO Water Level Data Logger (0 - 30m)

Onset
U20-001-02
Monitor water levels and temperatures in wells, streams, lakes and wetlands (freshwater) with this 13-foot HOBO Water Level Data Logger. With its narrow range this logger provides the best accuracy in shallow waters. This logger offers a great value and easy deployment since there are no cumbersome vent tubes or desiccants to maintain. For saltwater...
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HOBO 4-Channel Pulse Data... HOBO 4-Channel Pulse Data... 2
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HOBO 4-Channel Pulse Data Logger

Onset
UX120-017
€215.00
The HOBO UX120 Pulse Data Logger is a highly versatile, 4-channel energy data logger that combines the functionality of four separate data loggers into one compact unit. It enables energy management professionals – from energy auditors to building commissioners – to easily track building energy consumption, equipment runtimes, and water and gas flow...
Rogowski Coil Sensor...
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Rogowski Coil Sensor (T-EG-4000-2775 and T-EG-7000-2775)

Onset
T-EG-x000-2775
Rope CTs are excellent for bus-bars and large switch-gear applications. Self-powered rope CTs are flexible and easy to install, but will not be accurate below 30A. Each CT includes the two-pin CT connector plug.
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Stainless Steel Temperature...
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Stainless Steel Temperature Probe (1,8m cable) Sensor

Onset
TMC6-HC
€85.00
A food-grade stainless-steel temperature probe with pointed tip for use with HOBO U-Series, UX120-006M external-channel data loggers or ZW series wireless datanodes. Accuracy and resolution vary according with attached logger model. Measurement range is -40° to 100°C in air or water; response time is 3 minutes typical to 90% in air moving 1m/sec (2.2mph);...
Solar Radiation Shield Solar Radiation Shield 2
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Solar Radiation Shield

Onset
RS3-B
Use the RS3-B Solar Radiation Shield with HOBO external sensors for improved temperature measurement accuracy in locations exposed to sunlight. The small size and unobstructed airflow of this shield provides a faster response to changing conditions than larger radiation shields.The RS3-B Solar Radiation Shield works with most of Onset’s external...
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HOBO Water Level Data... HOBO Water Level Data... 2
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HOBO Water Level Data Logger (0 - 70m)

Onset
U20-001-03
Monitor water levels and temperatures in wells, streams, lakes and wetlands (freshwater) with this 13-foot HOBO Water Level Data Logger. With its narrow range this logger provides the best accuracy in shallow waters. This logger offers a great value and easy deployment since there are no cumbersome vent tubes or desiccants to maintain. For saltwater...
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HOBO 4-Channel Pulse Data... HOBO 4-Channel Pulse Data... 2
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HOBO 4-Channel Pulse Data Logger (500.000 measurements)

Onset
UX120-017M
€325.00
The HOBO UX120 Pulse Data Logger is a highly versatile, 4-channel energy data logger that combines the functionality of four separate data loggers into one compact unit. It enables energy management professionals – from energy auditors to building commissioners – to easily track building energy consumption, equipment runtimes, and water and gas flow...
HOBO 4-Channel External...
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HOBO 4-Channel External Data Logger

Onset
U12-008
€245.00
Employ multiple energy and environmental sensors, ranging from amps to temperature, with the HOBO U12-008 data logger. Its weatherproof enclosure allows the U12-008 to be flexible to deploy inside or outdoors. The HOBO U12-008 memory stores 43,000 measurements of 12-bit resolution readings.
HOBO Occupancy/Light (5m... HOBO Occupancy/Light (5m... 2
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HOBO Occupancy/Light (5m Range) Data Logger - 84.650 measurements

Onset
UX90-005
The HOBO Occupancy & Light data logger monitors room occupancy and indoor light changes to identify occupancy patterns and determine energy usage and potential savings. The HOBO UX90-005 Room Occupancy/Light Data Logger is available in a standard 128 KB memory model (UX90-005) capable of 84.650 measurements and an expanded 512KB memory version...
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HOBO 4m Depth Titanium... HOBO 4m Depth Titanium... 2
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HOBO 4m Depth Titanium Water Level Data Logger

Onset
U20-001-04-Ti
Providing a narrow range of measurement for the best possible accuracy, this version is ideal for monitoring water levels and temperatures in wells, streams, lakes and wetlands.Like other HOBO Water Level Data Loggers, the 4m version offers exceptional value and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is...
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Type K 30cm Probe...
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Type K 30cm Probe Thermocouple Sensor Range: 0°C to 900°C

Onset
TCP6-K12
€55.00
The TCP6-K12 Type K thermocouple probe can measure up to 900°C when connect to the UX100 thermocouple logger. The TCP6-K12 stainless-steel probe is 30cm in length, 0.5cm in diameter and is mounted on a 2.5cm handle with spring-type strain relief. The 1.8m 19-AWG cable meets ANSI specifications, complete with isolated thermocouple color-coded for type K...
HOBO MX2305 Temperature...
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HOBO MX2305 Temperature Data Logger

Onset
MX2305
The HOBO MX2305 is a weatherproof data logger with an internal 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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HOBO Occupancy/Light (5m... HOBO Occupancy/Light (5m... 2
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HOBO Occupancy/Light (5m Range) Data Logger - 346.795 measurements

Onset
UX90-005M
The HOBO Occupancy & Light data logger monitors room occupancy and indoor light changes to identify occupancy patterns and determine energy usage and potential savings. The HOBO UX90-005 Room Occupancy/Light Data Logger is available in a standard 128 KB memory model (UX90-005) capable of 84.650 measurements and an expanded 512KB memory version...
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HOBO 9m Depth Titanium... HOBO 9m Depth Titanium... 2
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HOBO 9m Depth Titanium Water Level Data Logger

Onset
U20-001-01-Ti
Providing a narrow range of measurement for the best possible accuracy, this version is ideal for monitoring water levels and temperatures in wells, streams, lakes and wetlands.Like other HOBO Water Level Data Loggers, the 9m version offers exceptional value and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is...
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