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Onset Smart SensorsOnset’s award-winning Smart Sensors save you time and money by offering plug-and-play convenience and research-grade performance.

  • Plug-and-play architecture eliminates complicated wiring and programming
  • Rugged design for long-term use in harsh environmental conditions
  • Wide range of measurements available
  • Compatible with Onset’s HOBO U30 and HOBO H21 Weather Stations

Results: 11 to 20 of 28



EC-5 Soil Moisture Smart Sensor - S-SMC-M005
Small area of influence
  • Supported Measurements:
    Soil Moisture
  • Range: In soil: 0 to 0.550(m³/m³)
    Extended range: -0.401 to 2.574 m³/m³ (full scale)
  • Accuracy: ±0.031 m³/m³ (±3%)

Compatible Data Loggers:
H21-001, H21-002, U30-NRC, U30-GSM, U30-WIF, U30-ETH
$139



10HS Soil Moisture Smart Sensor - S-SMD-M005
Large area of influence
  • Supported Measurements:
    Weather:Soil Moisture

Compatible Data Loggers:
H21-001, H21-002, U30-NRC, U30-GSM, U30-WIF, U30-ETH
$139



12-bit Temperature/RH Smart Sensor (2m cable) - S-THB-M002
  • Supported Measurements:
    Temperature, Relative Humidity
  • Range: Temp: -40° to 75°C (-40° to 167°F)- RH: 0 to 100% at -40° to 75°C (-40° to 167°F)
  • Accuracy: Temp +/- 0.130C (0.240F) typical - RH ±2.5% from 10 to 90%

Compatible Data Loggers:
H21-001, H21-002, H22-001, U14-002, U30-NRC, U30-GSM See more
$189



12-bit Temperature/RH Smart Sensor (8m cable) - S-THB-M008
  • Supported Measurements:
    Temperature, Relative Humidity
  • Range: Temp -40° to 75°C (-40° to 167°F) - RH 0 to 100% at -40° to 75°C (-40° to 167°F)
  • Accuracy: Temp +/- 0.130C (0.240F) typical - RH ±2.5% from 10 to 90%

Compatible Data Loggers:
H21-001, H21-002, H22-001, U14-002, U30-NRC, U30-GSM See more
$195



12-Bit Temp Smart Sensor (2m cable) - S-TMB-M002
  • Supported Measurements:
    Temperature, Water Temp
  • Range: -40° to 100°C (-40° to 212°F) sensor tip
  • Accuracy: < ± 0.2°C from 0° to 50°C (< ±0.36°F from 32° to 122°F)

Compatible Data Loggers:
H21-001, H21-002, H22-001, U14-002, U30-NRC, U30-GSM See more
$95



12-Bit Temp Smart Sensor (6m cable) - S-TMB-M006
  • Supported Measurements:
    Temperature, Water Temp
  • Range: -40° to 100°C (-40° to 212°F) sensor tip
  • Accuracy: < ± 0.2°C from 0° to 50°C (< ±0.36°F from 32° to 122°F)

Compatible Data Loggers:
H21-001, H21-002, H22-001, U14-002, U30-NRC, U30-GSM See more
$105



12-Bit Temp Smart Sensor (17 m cable) - S-TMB-M017
  • Supported Measurements:
    Temperature, Water Temp
  • Range: -40° to 100°C (-40° to 212°F) sensor tip
  • Accuracy: < ± 0.2°C from 0° to 50°C (< ±0.36°F from 32° to 122°F)

Compatible Data Loggers:
H21-001, H21-002, H22-001, U14-002, U30-NRC, U30-GSM See more
$120



Electronic Switch Pulse Input Adapter - 1 meter Sensor - S-UCC-M001
  • Supported Measurements:
    Pulse Input
  • Range: 120 Hz (120 pulses per second)

Compatible Data Loggers:
H21-001, H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF See more
$70



Electronic Switch Pulse Input Adapter - 6 meters Sensor - S-UCC-M006
  • Supported Measurements:
    Pulse Input
  • Range: 120 Hz (120 pulses per second)

Compatible Data Loggers:
H21-001, H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF See more
$75



Contact Closure Pulse Input Adapter - 1 meter Sensor - S-UCD-M001
  • Supported Measurements:
    Pulse Input, Water Flow
  • Range: 2 Hz (2 pulses per second)

Compatible Data Loggers:
H21-001, H21-002, H22-001, U30-NRC, U30-GSM, U30-WIF See more
$70

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