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Onset

Hydromatics Ltd is a leading supplier of HOBO data loggers and Onset environmental monitoring solutions in Kenya, providing dependable tools for precise data collection in field, industrial, and research applications. HOBO devices are engineered for accuracy, durability, and ease of use, making them the preferred choice for professionals who require reliable environmental and energy performance insights.

We offer a full selection of temperature data loggers, humidity sensors, weather monitoring systems, water-level loggers, CO₂ monitors, soil moisture sensors, and energy-usage monitoring devices. Whether you're conducting environmental research, managing building performance, monitoring agricultural conditions, or tracking renewable-energy efficiency, HOBO technology delivers continuous, high-quality data to support smarter decision-making.

With Hydromatics, customers across Kenya benefit from genuine HOBO products, local availability, and expert technical guidance, ensuring accurate monitoring results for long-term projects and critical applications.

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Hobo 20 Amp Accu-CT Split-Core Current Transformer 333mV Sensor 0.78”(20mm) Opening

Overview The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.   Features Unprecedented linea...

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Hobo 100 Amp Accu-CT Split-Core Current Transformer 333mV Sensor 0.78”(20mm) Opening

Overview The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.   Features Unprecedented linea...

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Hobo 250 Amp Accu-CT Split-Core Current Transformer 333mV Sensor 0.78”(20mm) Opening

Overview The Accu-CT split-core current transformer offers outstanding accuracy and one-handed operation.   Features Unprecedented linea...

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Hobo Ashcroft Gauge Pressure Sensor (100, 200 & 500 psig)

Overview The Ashcroft Gauge Pressure Sensor provides precision pressure measurements in compressed air systems, water, or other compatible gases ...

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Hobo 5 AMP Mini Split-core AC Current Transformer Sensor 0.4” (10.15mm) Opening

Overview A small 5 AMP split-core AC Current Transformer (CT) is mounted around a current carrying wire to measure AC amperage. This CT provides ...

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Hobo 600 AMP Split-core AC Current Transformer Sensor (2.00” Opening)

Overview The Magnelab AC Current 600 Amp AC Current Transformer or CT (Magnelab part # SCT-2000-600) is mounted around a current carrying wire to...

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Hobo Differential Air Pressure Transducer

Overview A transducer sensor that can measure either air pressure or velocity with the flip of a switch. Available in the universal configuration...

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Hobo WattNode 480 VAC 3-phase Delta/Wye kWh Transducer Sensor

Overview Provides accurate measurement at a low cost to meet your needs for sub-metering, net-metering, energy management, and performance contra...

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HOBO Waterproof Shuttle

Overview Provides convenient readout and relaunching of underwater and outdoor HOBO data loggers with an Optic USB interface, and is waterproof t...

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HOBO Stainless Temperature (4,900 ft.) Data Logger

Overview An ideal data logger for food, pharmaceutical, autoclave, and other applications where high-accuracy temperature data is critical. With ...

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HOBO 30-Foot Depth Water Level Data Logger

Overview Featuring high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain, this logger is ideal ...

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HOBO 250-Foot Depth Water Level Data Logger

Overview Featuring high accuracy at a great price and ease-of-use, with no cumbersome vent tubes or desiccants to maintain, this logger is ideal ...

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HOBO Water Level Data Logger (USB Configuration & Data Offload)

Overview A low-cost, research-grade data logger for continuous monitoring of water level and temperature at depths of up to 13, 30, or 100 feet i...

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HOBO Water Temperature Pro v2 Data Logger Water Temperature (400 ft.)

Overview Image A durable water temperature data logger with 12-bit resolution. Complete with a precision sensor for ±0.2°C accuracy, this lo...

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HOBO Salt Water Conductivity/Salinity Data Logger (U24-002-C)

Overview A cost-effective data logger for measuring salinity, conductivity, and temperature in saltwater environments with relatively small chang...

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HOBO Dissolved Oxygen Data Logger

Overview An affordable, precise data logger that measures oxygen concentrations in lakes, streams, rivers, estuaries, and coastal waters. Recomme...

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Hobo Replacement DO Sensor Cap - U26-RDOB-1

Overview Replaces the original DO sensor cap that's included with the HOBO DO Data Logger. The DO sensor caps have a planned 6-month deployment l...

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HOBO Temperature/Relative Humidity 3.5% Data Logger

Overview With integrated sensors to measure and record temperature and relative humidity (within 3.5% accuracy) in indoor environments. This logg...

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HOBO Type J, K, T, E, R, S, B, N Thermocouple Data Logger

Overview A single-channel thermocouple data logger to measure and record temperature in indoor environments. Designed for a broad range of monito...

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HOBO 4-Channel Analog Data Logger

Overview A high-performance, LCD display data logger, supporting up to four external sensors to measure and record parameters such as temperature...

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HOBO 4-Channel Thermocouple Data Logger

Overview A four-channel thermocouple LCD display data logger to measure and record temperature in a broad range of monitoring applications. Recor...

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HOBO State Data Logger

Overview Records state changes, electronic pulses, and mechanical or electrical contact closures from external sensing devices. Ideal for monitor...

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HOBO Motor On/Off Data Logger

Overview Records motor on/off conditions within an AC magnetic field with its internal sensor, or mechanical dry contact closures from external s...

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HOBO Occupancy/Light (12m Range) Data Logger

Overview Monitors room occupancy and indoor light changes to identify occupancy patterns and determine energy usage and potential savings. Item n...

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