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. Onset HOBO Data Loggers P-AC-1
    Onset HOBO Data Loggers P-AC-1 AC Adapter - universal input volt power
    Order #: P-AC-1
    Mfg #: P-AC-1
    Availability: Ships in 3-4 weeks
    Special Price $30.40 Regular Price $39.00
    AC Adapter - universal input volt power Learn More
  2. Onset HOBO Data Loggers MX2500-STORE-SOLN
    Onset HOBO Data Loggers MX2500-STORE-SOLN MX2500 Electrode Storage Solution (475ml)
    Order #: MX2500-STORE-SOLN
    Mfg #: MX2500-STORE-SOLN
    Availability: Ships in 3-4 weeks
    $26.00
    MX2500 Electrode Storage Solution (475ml) Learn More
  3. Onset HOBO Data Loggers MX2500-STORE-CAP
    Onset HOBO Data Loggers MX2500-STORE-CAP MX2500 Electrode Storage Cap
    Order #: MX2500-STORE-CAP
    Mfg #: MX2500-STORE-CAP
    Availability: Ships in 3-4 weeks
    $16.00
    MX2500 Electrode Storage Cap Learn More
  4. Onset HOBO Data Loggers MX2500-MAINT-KIT
    Onset HOBO Data Loggers MX2500-MAINT-KIT MX2500 Maint. Kit (Cal kit & Electrode Storage solution)
    Order #: MX2500-MAINT-KIT
    Mfg #: MX2500-MAINT-KIT
    Availability: Ships in 3-4 weeks
    $78.00
    MX2500 Maint. Kit (Cal kit & Electrode Storage solution) Learn More
  5. Onset HOBO Data Loggers MX2500-GUARD
    Onset HOBO Data Loggers MX2500-GUARD MX2500 Anti-Biofouling Copper Guard
    Order #: MX2500-GUARD
    Mfg #: MX2500-GUARD
    Availability: Ships in 3-4 weeks
    $26.00
    MX2500 Anti-Biofouling Copper Guard Learn More
  6. Onset HOBO Data Loggers MX2500-END-CAP
    Onset HOBO Data Loggers MX2500-END-CAP MX2500 End Cap
    Order #: MX2500-END-CAP
    Mfg #: MX2500-END-CAP
    Availability: Ships in 3-4 weeks
    Special Price $90.25 Regular Price $124.00
    MX2500 End Cap Learn More
  7. Onset HOBO Data Loggers MX2500-ELECTRODE
    Onset HOBO Data Loggers MX2500-ELECTRODE MX2500 Replacement Electrode
    Order #: MX2500-ELECTRODE
    Mfg #: MX2500-ELECTRODE
    Availability: Ships in 3-4 weeks
    Special Price $109.25 Regular Price $134.00
    MX2500 Replacement Electrode Learn More
  8. Onset HOBO Data Loggers MX2500-CAL-KIT
    Onset HOBO Data Loggers MX2500-CAL-KIT MX2500 Calibration Kit (Cali. Beaker & 4, 7, 10 bfr)
    Order #: MX2500-CAL-KIT
    Mfg #: MX2500-CAL-KIT
    Availability: Ships in 3-4 weeks
    Special Price $42.75 Regular Price $54.00
    MX2500 Calibration Kit (Cali. Beaker & 4, 7, 10 bfr) Learn More
  9. Onset HOBO Data Loggers MX2500-CAL-BKR
    Onset HOBO Data Loggers MX2500-CAL-BKR MX2500 Calibration Beaker
    Order #: MX2500-CAL-BKR
    Mfg #: MX2500-CAL-BKR
    Availability: Ships in 3-4 weeks
    Special Price $3.80 Regular Price $6.00
    MX2500 Calibration Beaker Learn More
  10. Onset HOBO Data Loggers MX2300-RS-BRACKET
    Onset HOBO Data Loggers MX2300-RS-BRACKET MX2300 Solar Radiation Shield Bracket
    Order #: MX2300-RS-BRACKET
    Mfg #: MX2300-RS-BRACKET
    Availability: Ships in 3-4 weeks
    $13.00
    MX2300 Solar Radiation Shield Bracket Learn More
  11. Onset HOBO Data Loggers MX2001-04-TI-S
    Onset HOBO Data Loggers MX2001-04-TI-S HOBO MX Water Level, 4m (13ft), Ti
    Order #: MX2001-04-TI-S
    Mfg #: MX2001-04-TI-S
    Availability: Ships in 3-4 weeks
    $465.00
    HOBO MX Water Level, 4m (13ft), Ti Learn More
  12. Onset HOBO Data Loggers MX2001-04-S
    Onset HOBO Data Loggers MX2001-04-S MX Water Level Sensor, 4m (13ft)
    Order #: MX2001-04-S
    Mfg #: MX2001-04-S
    Availability: Ships in 3-4 weeks
    $350.00
    MX Water Level Sensor, 4m (13ft) Learn More
  13. Onset HOBO Data Loggers MX2001-04
    Onset HOBO Data Loggers MX2001-04 HOBO MX Water Level, 4m (13ft)
    Order #: MX2001-04
    Mfg #: MX2001-04
    Availability: Ships in 3-4 weeks
    $595.00
    HOBO MX Water Level, 4m (13ft) Learn More
  14. Onset HOBO Data Loggers MX2001
    Onset HOBO Data Loggers MX2001 MX Water Level Sensor, 9m (30ft),Ti
    Order #: MX2001-01-TI-S
    Mfg #: MX2001-01-TI-S
    Availability: Ships in 3-4 weeks
    $465.00
    MX Water Level Sensor, 9m (30ft),Ti Learn More
  15. Onset HOBO Data Loggers MX2001-TOP
    Onset HOBO Data Loggers MX2001-TOP HOBO MX Water Level, Top-End
    Order #: MX2001-TOP
    Mfg #: MX2001-TOP
    Availability: Ships in 3-4 weeks
    $359.00
    HOBO MX Water Level, Top-End Learn More
  16. Onset HOBO Data Loggers M-TPA
    Onset HOBO Data Loggers M-TPA 3m TRIPOD
    Order #: M-TPA
    Mfg #: M-TPA
    Availability: Ships in 3-4 weeks
    Special Price $156.75 Regular Price $209.00
    3m TRIPOD Learn More
  17. Onset HOBO Data Loggers M-SKB
    Onset HOBO Data Loggers M-SKB 0.25 inch diam. Stake Kit
    Order #: M-SKB
    Mfg #: M-SKB
    Availability: Ships in 3-4 weeks
    Special Price $20.00 Regular Price $29.00
    0.25 inch diam. Stake Kit Learn More
  18. Onset HOBO Data Loggers M-SKA
    Onset HOBO Data Loggers M-SKA 0.5 inch diam. Stake Kit
    Order #: M-SKA
    Mfg #: M-SKA
    Availability: Ships in 3-4 weeks
    Special Price $32.00 Regular Price $49.00
    0.5 inch diam. Stake Kit Learn More
  19. Onset HOBO Data Loggers M-RSA
    Onset HOBO Data Loggers M-RSA Radiation Shield (assembled)
    Order #: M-RSA
    Mfg #: M-RSA
    Availability: Ships in 3-4 weeks
    Special Price $110.20 Regular Price $149.00
    Radiation Shield (assembled) Learn More
  20. Onset HOBO Data Loggers M-NDVI
    Onset HOBO Data Loggers M-NDVI NDVI Light Sensor Bracket
    Order #: M-NDVI
    Mfg #: M-NDVI
    Availability: Ships in 3-4 weeks
    Special Price $20.00 Regular Price $29.00
    NDVI Light Sensor Bracket Learn More
  21. Onset HOBO Data Loggers M-GWA
    Onset HOBO Data Loggers M-GWA Guy Wire Kit; M-GWA 5 lbs.
    Order #: M-GWA
    Mfg #: M-GWA
    Availability: Ships in 3-4 weeks
    Special Price $50.00 Regular Price $79.00
    Guy Wire Kit; M-GWA 5 lbs. Learn More
  22. Onset HOBO Data Loggers M-GKA
    Onset HOBO Data Loggers M-GKA Grounding Kit
    Order #: M-GKA
    Mfg #: M-GKA
    Availability: Ships in 3-4 weeks
    Special Price $50.00 Regular Price $79.00
    Grounding Kit Learn More
  23. Onset HOBO Data Loggers M-CDY
    Onset HOBO Data Loggers M-CDY Cable Caddy
    Order #: M-CDY
    Mfg #: M-CDY
    Availability: Ships in 3-4 weeks
    Special Price $80.00 Regular Price $109.00
    Cable Caddy Learn More
  24. Onset HOBO Data Loggers H8X4-BK
    Onset HOBO Data Loggers H8X4-BK H8/U12 Outdoor Indust Serv kit (inc battery)
    Order #: H8X4-BK
    Mfg #: H8X4-BK
    Availability: Ships in 3-4 weeks
    $35.00
    H8/U12 Outdoor Indust Serv kit (inc battery) Learn More
  25. Onset HOBO Data Loggers HWSB-LI
    Onset HOBO Data Loggers HWSB-LI AA Lithium Battery 4 Pack
    Order #: HWSB-LI
    Mfg #: HWSB-LI
    Availability: Ships in 3-4 weeks
    Special Price $22.80 Regular Price $26.00
    AA Lithium Battery 4 Pack Learn More
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