Onset HOBO RX2103 Battery-Powered Water Level MicroRX Station

• -40°C to 100°C (-40°F to 212°F) Measurement Range
• ±0.2°C Accuracy
• Automatically Communicates Configuration Data to the Attached Logger (Sold Separately)
• Stainless Steel Sensor Tip
• Cable Length: 2 Meters

• -40°C to 100°C (-40°F to 212°F) Measurement Range
• ±0.2°C Accuracy
• Automatically Communicates Configuration Data to the Attached Logger (Sold Separately)
• Stainless Steel Sensor Tip
• Cable Length: 6 Meters

• -40°C to 100°C (-40°F to 212°F) Measurement Range
• ±0.2°C Accuracy
• Automatically Communicates Configuration Data to the Attached Logger (Sold Separately)
• Stainless Steel Sensor Tip
• Cable Length: 17 Meters

• 12-Bit 2 Channel Sensor for Humidity and Temperature Measurements
• Automatically Communicates Configuration Data to the Attached Data Logger (Sold Separately)
• -40°C to 75°C at 0 to 100% RH Measurement Range
• ±0.25°C (Temperature) and ±2.5% (RH) Accuracy
• Weatherproof Environmental Rating
• 2 Meter Cable Length

• 12-Bit 2 Channel Sensor for Humidity and Temperature Measurements
• Automatically Communicates Configuration Data to the Attached Data Logger (Sold Separately)
• -40°C to 75°C at 0 to 100% RH Measurement Range
• ±0.2°C (Temperature) and ±2.5% (RH) Accuracy
• Weatherproof Environmental Rating
• Cable Length: 8 Meters

• 0 to 5 Volts DC Measurement Range
• Measurement Accuracy: ±10 mV ±0.3% of Reading
• Resolution: ±1.221 millivolts
• Input impedance: 1 Megohms
• Ground connection: same for adapters and PC interface

• 4 to 20 mA Measurement Range
• Measurement Accuracy: ±40 µA ±0.3% of Reading
• Resolution: ±4.93 µA
• Input impedance: 124 ohms
• Provides a Trigger Signal for Controlling Power to Attached External Sensors

• True RMS AC Watt-Hour Transducer with Pulse Output Proportional to kWh Consumed
• Solid State Relay Closure
• Line to Neutral: 120 Volts AC
• Line to Line: 208 to 240 Volts AC
• Phases: 3
• Wires: 4

• True RMS AC Watt-Hour Transducer with Pulse Output Proportional to kWh Consumed
• Solid State Relay Closure
• Line to Neutral: 277 Volts AC
• Line to Line: 480 Volts AC
• Phases: 3
• Wires: 3

• Automatic Communication of Configuration Information to Data Logger without Setup
• 12-Bit Resolution with Rugged, Outdoor Rated Weatherproof Housing
• 660 to 1070 mbar Measurement Range with ±3.0 mbar Accuracy
• 1.0 mbar Drift per Year
• 50 cm Cable Length

Includes (2) Cable Ties and (2) #8 Self Tapping Screws

• Measure Cold and Hot Water Flow Rates: 0.25 to 22.0 gpm
• Compatible with 3/4" Pipes and 1/2" and 1.0" with Step Downs and Step Ups (Sold Separately)
• Operating Range: 4.4"C to 82.2"C (40"F to 180"F)
• Dry Contact Reed Switch with 100mA Max Contact Rating
• 8 Digit Odometer, Meter Register May be Turned 360° for Easier Readings
• Lead Free Brass Meets the 2014 "Reduction of Lead in Drinking Water" Act Requirements

• Measures the Light Range that Effects Photosynthesis (PAR - Photosynthetically Active Radiation)
• 400 nm to 700 nm Frequency Measurement Range with ±5 umol.m2/sec or ±5%
• -40°C to 75°C Operating Temperature Range
• Constructed of Anodized Aluminum Housing with Acrylic Diffuser and O-Ring Seal

Includes 3 Meter Cable Length

• Measures a 1-liter Volume of Soil for More Accurate Picture of Average Soil Moisture
• Sensor Uses a High Frequency Circuit for Accuracy Even in High Salinity and Sandy Soils
• ±3% Accuracy in Most Soil Conditions and ±2% with Soil Specific Calibration
• 0 to 0.570 m3/m3 (Volumetric Water Content) Measurement Range

Compatible with Onset HOBO Micro Weather Station and U30 Remote Monitoring Systems

• Measures Soil Water Content from 0 to 0.450 m3/m3 (0 to 45%)
• Integrates with the ECH2) Sensor and a 12-Bit A/D
• 4% Accuracy in Typical Soil Conditions and 2% in Soil-Specific Calibration
• 5 cm Probe Length and 5 Meter Cable Length

• Measure Solar Radiation Light Levels Using Silicon Pyranometer
• 0 to 1280 W/m2 Measurement Range over a Spectral Range of 300 to 1100 nm
• Records the Average Light Intensity over the Pre-Determined User-Set Logging Interval
• -40°C to 75°C Operating Temperature Range
• Housing Constructed of Anodized Aluminum and Acrylic Diffuser and O-Ring Seal

• Accurate Measurement of Sinusoidal and Non-Sinusoidal Waveforms
• Accuracy: ±1% (10% to 130% of Rated Voltage)
• Output Signal: 0.333 Volts at Rated Input Voltage
• Measurement Range: 0 to 150 Volts

• Easy to Open and Install with One Hand while Wearing Safety Gloves
• 333 mVolt AC Output at Rated Full Scale Current with No Shorting Blocks Required
• Low Phase Angle Error of ±0.50° from 1% to 120% of Rated Current
• ±0.75% from 1% to 120% of Rated Primary Current Accuracy
• 2.38" (W) x 2.40" (H) x 0.90" (T) with a 0.75" Window Opening
• 8 ft Conductor (White and Black), Twisted with 8 ft (2.4 Meters) Lead Length

Available in 5, 20, 50, 100, 200 and 250 Rated Amps

• Log and Records the Number of Switch closures per Interval
• Plug-in Modular Connector
• 3.6 Volt Maximum Input
• Weatherproof PVC Housing
• Compatible with Onset HOBO U30 Data Loggers, HOBO Micro Station and HOBO Energy Logger

Includes (2) Wire Nuts and User Manual

• Log and Records the Number of Contact Closures per Interval
• Plug-in Modular Connector
• 3.6 Volt Maximum Input
• Weatherproof PVC Housing
• Compatible with Onset HOBO U30 Data Loggers, HOBO Micro Station and HOBO Energy Logger

Includes (2) Wire Nuts and User Manual

• Log and Records the Number of Switch closures per Interval
• Plug-in Modular Connector
• 3.6 Volt Maximum Input
• Cable Length: 6 Meters
• Weatherproof PVC Housing

Includes (2) Wire Nuts and User Manual

• Log and Records the Number of Contact Closures per Interval
• Plug-in Modular Connector
• Cable Length: 6 Meters
• 3.6 Volt Maximum Input
• Weatherproof PVC Housing

Includes (2) Wire Nuts and User Manual

• Measures the Percent ON of Any AC-Powered Device (with AC Current Switch) and Time ON of Contact Closures
• 1 Second Runtime Resolution
• Automatically Communiates Configuration Data to the RX Station
• Constructed of Weatherproof Polyamide Housing for Smart Sensor Adapter
• Compatible with All HOBO RX Stations

• Accurate Measurement of Sinusoidal and Non-Sinusoidal Waveforms
• Accuracy: ±1% (10% to 130% of Rated Voltage)
• Output Signal: 0.333 Volts at Rated Input Voltage
• Voltage Range: 0 to 300 Volts

• Accurate Measurement of Sinusoidal and Non-Sinusoidal Waveforms
• Accuracy: ±1% (10% to 130% of Rated Voltage)
• Output Signal: 0.333 Volts at Rated Input Voltage
• Voltage Range: 0 to 600 Volts

• Uses a Capacitive Grid (Less Sensitive to Surface Residues) to Measure Leaf Wetness
• 0 (Dry) to 100% (Wet) Measurement Range with ±5% Repeatability
• Less Than ±5% per Year Stability
• Plug-in Modular Connector for Easy Connection to Onset Micro Station or U30 Remote Systems
• 3 Meter Cable Length and 20cm Mounting Bracket

Includes Mounting Bracket, 3 Meter Cable, U-Bolts and Tie Wraps

• Measures Rainfall up to 5.0" (12.7 cm) per Hour and Accuracy of 1.0%
• Tipping Bucket Mechanism is Mounted on a Stainless Steel Shaft with Brass Bearings
• Constructed of Aluminum Housing and Collector
• Available in English or Metric Versions
• Includes 2 Meter Cable and Brackets for Post or Tripod Mount

• Measures Rainfall up to 12.7 cm per Hour and Accuracy of 1.0%
• Tipping Bucket Mechanism is Mounted on a Stainless Steel Shaft with Brass Bearings
• Constructed of Aluminum Housing and Collector

Includes 2 Meter Cable and Brackets for Post or Tripod Mount

• New! AeroCone® Design for Better Measurement Accuracy in High-Wind Conditions
• Cost Effective way of Measuring Rainfall on HOBO Weather Stations
• Measurement Range of 0 to 10.2cm (0 to 4in.) per Hour
• Plug-in Modular Connector for Easy Installation
• Data Stored in Sensor & Automatically Communicates to Attached Data Logger (Sold Separately)
• Compatible with Onset RX3000, U30, H21-002 and H22-001

• New! AeroCone® Design for Better Measurement Accuracy in High-Wind Conditions
• Cost Effective way of Measuring Rainfall on HOBO Weather Stations
• Measurement Range of 0 to 10.2cm (0 to 4in.) per Hour
• Plug-in Modular Connector for Easy Installation
• Data Stored in Sensor & Automatically Communicates to Attached Data Logger (Sold Separately)
• Compatible with Onset RX3000 Series, U30, H21-USB and H22-001

• Uses 3-Cup Anemometer
• Plug-In Modular Connection
• Measurement Range: 0 to 76 m/s (0 to 170 mph)
• Accuracy: ±1.1 m/s (2.4 mph) or 4% of Reading Whichever is Greater
• Cable Length: 3 Meters

• Cost Effective way of Measuring Wind Speed and Direction on HOBO Weather Stations
• Measurement Range of 0 to 170 mph (Wind Speed) and 0 to 355° (Wind Direction)
• Plug-in Modular Connector for Easy Installation
• Data Stored in Sensor & Automatically Communicates to Attached Data Logger (Sold Separately)
• Compatible with Onset RX3000, U30, H21-002 and H22-001

• 2 Sensor Set Measuring Wind Speed and Wind Direction
• Measurement Range of 0 to 100 mph (Wind Speed) and 0 to 355%deg; (Wind Direction)
• Calculates Average Wind Speed, Highest 3-Second Wind Gust and Average Wind Direction
• Data Stored in Sensor & Automatically Communicates to Attached Data Logger (Sold Separately)
• Compatible with Indoor and Outdoor Environments with its Weatherproof Rating

Requires an Onset HOBO Full Cross Arm (Part #M-CAA) to Support Both Wind Sensors

• Ultrasonic Wind Speed and Direction Smart Sensor Has No Moving Parts
• Measurement Range of 0 to 92 mph (Wind Speed) and 0 to 359° (Wind Direction)
• Plug-in Modular Connector for Easy Installation
• Powered by a Built-in Solar Panel
• Compatible with Onset RX3000, U30, H21-USB and H22-001

• Research Grade Plug-and-Play Wind Direction Sensor
• 0 to 355 Degree (5 Degree Dead Band) Measurement Range
• Average Wind Wind Direction in Sampling Interval
• Injected Molded Housing & Vane with Static Dissipating Base
• Long Sensor Life withStainless Steel Ball Bearings and Static Dissipating Housing

An Full Cross Arm (#M-CAA) or Half Cross Arm #(M-CAB) is Required for Mounting