Onset HOBO Data Loggers

Onset is an established global leader in the design and manufacture of data loggers, sensors, software, and accessories. The company’s HOBO brand of temperature, humidity, and water-level data loggers are made in the USA and used by companies around the world for accurate and reliable environmental assessments. HOBO® data loggers suit a broad scope of environmental monitoring applications, from office buildings to manufacturing plants and coastal research facilities. Transcat offers a complete selection of Onset products, including the HOBO brand of data loggers, external sensors, and other valuable products that meet monitoring and recording demands. We also offer ISO 17025 accredited temperature calibration and humidity calibration services for Onset HOBO and hundreds of other manufacturers.

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  1. For Rent
    Onset HOBO Data Loggers UX90-002 for Rent Light On/Off Data Logger
    Onset HOBO Data Loggers UX90-002 for Rent, Light On/Off Data Logger Light On/Off Data Logger
    Order #: UX90-002-RENT1
    Mfg #: UX90-002-RENT1
    Availability: In stock
    Call for price
    Light On/Off Data Logger Learn More
  2. For Rent
    Onset HOBO Data Loggers U26-GUARD-2 for Rent Anti-Fouling Guard for DO Logger
    Onset HOBO Data Loggers U26-GUARD-2 for Rent, Anti-Fouling Guard for DO Logger Anti-Fouling Guard for DO Logger
    Order #: U26-GUARD-2-RENT1
    Mfg #: U26-GUARD-2-RENT1
    Availability: In stock
    Call for price
    Anti-Fouling Guard for DO Logger Learn More
  3. For Rent
    Onset HOBO Data Loggers U26-001 for Rent Dissolved Oxygen Logger
    Onset HOBO Data Loggers U26-001 for Rent, Dissolved Oxygen Logger Dissolved Oxygen Logger
    Order #: U26-001-RENT1
    Mfg #: U26-001-RENT1
    Availability: In stock
    Call for price
    Dissolved Oxygen Logger Learn More
  4. For Rent
    Onset HOBO Data Loggers U24-002 for Rent, Conductivity Logger, 100-65
    Onset HOBO Data Loggers U24-002 for Rent, Conductivity Logger, 100-65 Conductivity Logger 100-65
    Order #: U24-002-RENT1
    Mfg #: U24-002-RENT1
    Availability: In stock
    Call for price
    Conductivity Logger 100-65 Learn More
  5. For Rent
    Onset HOBO Data Loggers U20-001-02-TI for Rent Water Level (100ft) Titanium
    Onset HOBO Data Loggers U20-001-02-TI for Rent, Water Level (100ft), Titanium Water Level (100ft) Titanium
    Order #: U20-001-02-TI-RENT1
    Mfg #: U20-001-02-TI-RENT1
    Availability: In stock
    Call for price
    Water Level (100ft) Titanium Learn More
  6. New
    Onset HOBO Data Loggers MX1102A HOBO CO2 Logger,0-5000ppm,Bluetooth USB
    Onset HOBO Data Loggers MX1102A HOBO CO2 Logger,0-5000ppm,Bluetooth USB
    Order #: MX1102A
    Mfg #: MX1102A
    Availability: Ships in 3-4 weeks
    $945.00
    CO2 Logger,0-5000ppm,Bluetooth USB Learn More
  7. Onset HOBO Data Loggers U12-015-ORING-V
    Onset HOBO Data Loggers U12-015-ORING-V Viton Oring Kit U12-015-XX
    Order #: U12-015-ORING-V
    Mfg #: U12-015-ORING-V
    Availability: Ships in 3-4 weeks
    $31.50
    Viton Oring Kit U12-015-XX Learn More
  8. Onset HOBO Data Loggers U12-015-ORING-E
    Onset HOBO Data Loggers U12-015-ORING-E EPDM Oring Kit U12-015-XX
    Order #: U12-015-ORING-E
    Mfg #: U12-015-ORING-E
    Availability: Ships in 3-4 weeks
    $31.50
    EPDM Oring Kit U12-015-XX Learn More
  9. Onset HOBO Data Loggers U-BOLT-KIT2
    Onset HOBO Data Loggers U-BOLT-KIT2 1-5/8in U-bolts (includes 2)
    Order #: U-BOLT-KIT2
    Mfg #: U-BOLT-KIT2
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $13.50
    1-5/8in U-bolts (includes 2) Learn More
  10. Onset HOBO Data Loggers T-VER-PX3UL
    Onset HOBO Data Loggers T-VER-PX3UL Diff.pressure sensor, 0.1-10 "W.C., LCD
    Order #: T-VER-PX3UL
    Mfg #: T-VER-PX3UL
    Availability: Call for availability
    Special Price $0.00 Regular Price $448.50
    Diff.pressure sensor, 0.1-10 "W.C., LCD Learn More
  11. Onset HOBO Data Loggers T-EG-1420-0600
    Onset HOBO Data Loggers T-EG-1420-0600 600 Amp Split-core CT (1.42" opening)
    Order #: T-EG-1420-0600
    Mfg #: T-EG-1420-0600
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $88.50
    600 Amp Split-core CT (1.42" opening) Learn More
  12. Onset HOBO Data Loggers T-EG-1420-0400
    Onset HOBO Data Loggers T-EG-1420-0400 400 Amp Split-core CT (1.42" opening)
    Order #: T-EG-1420-0400
    Mfg #: T-EG-1420-0400
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $88.50
    400 Amp Split-core CT (1.42" opening) Learn More
  13. Onset HOBO Data Loggers T-EG-0940-0200
    Onset HOBO Data Loggers T-EG-0940-0200 200 Amp Split-core CT (0.94" opening)
    Order #: T-EG-0940-0200
    Mfg #: T-EG-0940-0200
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $88.50
    200 Amp Split-core CT (0.94" opening) Learn More
  14. Onset HOBO Data Loggers T-EG-0940-0100
    Onset HOBO Data Loggers T-EG-0940-0100 100 Amp Split-core CT (0.94" opening)
    Order #: T-EG-0940-0100
    Mfg #: T-EG-0940-0100
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $88.50
    100 Amp Split-core CT (0.94" opening) Learn More
  15. Onset HOBO Data Loggers T-EG-0630-0100
    Onset HOBO Data Loggers T-EG-0630-0100 50 Amp Split-core CT (0.63" opening)
    Order #: T-EG-0630-0100
    Mfg #: T-EG-0630-0100
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $67.50
    50 Amp Split-core CT (0.63" opening) Learn More
  16. Onset HOBO Data Loggers T-EG-0390-0075
    Onset HOBO Data Loggers T-EG-0390-0075 75 Amp Split-core CT (0.39" opening)
    Order #: T-EG-0390-0075
    Mfg #: T-EG-0390-0075
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $69.00
    75 Amp Split-core CT (0.39" opening) Learn More
  17. Onset HOBO Data Loggers T-EG-0390-0050
    Onset HOBO Data Loggers T-EG-0390-0050 50 Amp Split-core CT (0.39" opening)
    Order #: T-EG-0390-0050
    Mfg #: T-EG-0390-0050
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $67.50
    50 Amp Split-core CT (0.39" opening) Learn More
  18. Onset HOBO Data Loggers T-DCI-F300-1C3
    Onset HOBO Data Loggers T-DCI-F300-1C3 Air Velocity & Temp Sensor 200 to 4000 fpm or 3 to 212F
    Order #: T-DCI-F300-1C3
    Mfg #: T-DCI-F300-1C3
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $637.50
    Air Velocity & Temp Sensor 200 to 4000 fpm or 3 to 212F Learn More
  19. Onset HOBO Data Loggers T-DCI-F300-1B3
    Onset HOBO Data Loggers T-DCI-F300-1B3 Air Velocity & Temp Sensor 100 to 2000 fpm or 32 to 212F
    Order #: T-DCI-F300-1B3
    Mfg #: T-DCI-F300-1B3
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $637.50
    Air Velocity & Temp Sensor 100 to 2000 fpm or 32 to 212F Learn More
  20. Onset HOBO Data Loggers T-DCI-F300-1A3
    Onset HOBO Data Loggers T-DCI-F300-1A3 Air Velocity & Temp Sensor 30 to 200 fpm or 32 to 212F
    Order #: T-DCI-F300-1A3
    Mfg #: T-DCI-F300-1A3
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $637.50
    Air Velocity & Temp Sensor 30 to 200 fpm or 32 to 212F Learn More
  21. Onset HOBO Data Loggers SMC-T
    Onset HOBO Data Loggers SMC-T Subminiature Connector type T wire
    Order #: SMC-T
    Mfg #: SMC-T
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $28.50
    Subminiature Connector type T wire Learn More
  22. Onset HOBO Data Loggers S-RGE-M002
    Onset HOBO Data Loggers S-RGE-M002 Davis (0.01 in) Rain Gauge Smart Sensor
    Order #: S-RGE-M002
    Mfg #: S-RGE-M002
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $403.50
    Davis (0.01 in) Rain Gauge Smart Sensor Learn More
  23. Onset HOBO Data Loggers S-FS-TRMSA-D
    Onset HOBO Data Loggers S-FS-TRMSA-D Flex Smart TRMS Module w/ Pigtail
    Order #: S-FS-TRMSA-D
    Mfg #: S-FS-TRMSA-D
    Availability: Ships in 3-4 weeks
    $202.50
    Flex Smart TRMS Module w/ Pigtail Learn More
  24. Onset HOBO Data Loggers S-EXT-M005
    Onset HOBO Data Loggers S-EXT-M005 5m Smart Sensor Extension Cable
    Order #: S-EXT-M005
    Mfg #: S-EXT-M005
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $52.50
    5m Smart Sensor Extension Cable Learn More
  25. Onset HOBO Data Loggers S-EXT-M002
    Onset HOBO Data Loggers S-EXT-M002 2m Smart Sensor Extension Cable
    Order #: S-EXT-M002
    Mfg #: S-EXT-M002
    Availability: Ships in 3-4 weeks
    Special Price $0.00 Regular Price $40.50
    2m Smart Sensor Extension Cable Learn More
Showing 1-25 of 74
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