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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  • Onset HOBO Data Loggers T-MAG-SCT-200
    Onset HOBO Data Loggers T-MAG-SCT-200
    Order # T-MAG-SCT-200 Mfg # T-MAG-SCT-200
    Special Price $55.00 Save 20 % Regular Price $69.00
  • Onset HOBO Data Loggers T-MAG-SCT-100
    Onset HOBO Data Loggers T-MAG-SCT-100
    Order # T-MAG-SCT-100 Mfg # T-MAG-SCT-100
    Special Price $55.00 Save 20 % Regular Price $69.00
  • Onset HOBO Data Loggers T-CON-ACT-300
    Onset HOBO Data Loggers T-CON-ACT-300
    Order # T-CON-ACT-300 Mfg # T-CON-ACT-300
    Special Price $139.00 Save 18 % Regular Price $169.00
  • Onset HOBO Data Loggers T-ASH-G2-500
    Onset HOBO Data Loggers T-ASH-G2-500
    Order # T-ASH-G2-500 Mfg # T-ASH-G2-500
    Special Price $199.00 Save 26 % Regular Price $269.00

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  • Onset HOBO T-ASH-G2-200 Gauge Pressure,0-200PSIG
    Onset HOBO Data Loggers T-ASH-G2-200
    Order # T-ASH-G2-200 Mfg # T-ASH-G2-200
    Special Price $225.00 Save 21 % Regular Price $285.00
  • Onset HOBO Data Loggers T-ASH-G2-100
    Onset HOBO Data Loggers T-ASH-G2-100
    Order # T-ASH-G2-100 Mfg # T-ASH-G2-100
    Special Price $199.00 Save 26 % Regular Price $269.00
  • Onset HOBO Data Loggers T-ACT-0750-250
    Onset HOBO Data Loggers T-ACT-0750-250
    Order # T-ACT-0750-250 Mfg # T-ACT-0750-250
    Special Price $45.00 Save 43 % Regular Price $79.00
  • Onset HOBO Data Loggers T-ACT-0750-100
    Onset HOBO Data Loggers T-ACT-0750-100
    Order # T-ACT-0750-100 Mfg # T-ACT-0750-100
    Special Price $45.00 Save 43 % Regular Price $79.00
  • Onset HOBO Data Loggers T-ACT-0750-050
    Onset HOBO Data Loggers T-ACT-0750-050
    Order # T-ACT-0750-050 Mfg # T-ACT-0750-050
    Special Price $45.00 Save 43 % Regular Price $79.00
  • Onset HOBO Data Loggers T-ACT-0750-020
    Onset HOBO Data Loggers T-ACT-0750-020
    Order # T-ACT-0750-020 Mfg # T-ACT-0750-020
    Special Price $45.00 Save 43 % Regular Price $79.00
  • Onset HOBO Data Loggers S-VIA-CM14
    Onset HOBO Data Loggers S-VIA-CM14
    Order # S-VIA-CM14 Mfg # S-VIA-CM14
    $109.00
  • Onset HOBO Data Loggers S-FS-CVIA
    Onset HOBO Data Loggers S-FS-CVIA
    Order # S-FS-CVIA Mfg # S-FS-CVIA
    $125.00
  • Onset HOBO Data Loggers CABLE-ADAP24
    Onset HOBO Data Loggers CABLE-ADAP24
    Order # CABLE-ADAP24 Mfg # CABLE-ADAP24
    Special Price $29.00 Save 38 % Regular Price $47.00
  • Onset HOBO Data Loggers CABLE-ADAP10
    Onset HOBO Data Loggers CABLE-ADAP10
    Order # CABLE-ADAP10 Mfg # CABLE-ADAP10
    Special Price $29.00 Save 38 % Regular Price $47.00
  • Onset HOBO Data Loggers CSV-A8
    Onset HOBO Data Loggers CSV-A8
    Order # CSV-A8 Mfg # CSV-A8
    Special Price $89.00 Save 23 % Regular Price $115.00
  • Onset HOBO Data Loggers CABLE-2.5-STEREO
    Onset HOBO Data Loggers CABLE-2.5-STEREO
    Order # CABLE-2.5-STEREO Mfg # CABLE-2.5-STEREO
    $20.00
  • Onset HOBO U26-001 Dissolved Oxygen Logger
    Onset HOBO Data Loggers U26-001
    Order # U26-001 Mfg # U26-001
    $1,439.00
  • Onset HOBO Data Loggers U26-RDOB-1
    Onset HOBO Data Loggers U26-RDOB-1
    Order # U26-RDOB-1 Mfg # U26-RDOB-1
    $115.00
  • Onset HOBO Data Loggers U26-GUARD-2
    Onset HOBO Data Loggers U26-GUARD-2
    Order # U26-GUARD-2 Mfg # U26-GUARD-2
    $95.00
  • Onset HOBO Data Loggers U26-CAL-SOL
    Onset HOBO Data Loggers U26-CAL-SOL
    Order # U26-CAL-SOL Mfg # U26-CAL-SOL
    Special Price $25.00 Save 31 % Regular Price $36.00
  • Onset HOBO Data Loggers U24-002-C
    Onset HOBO Data Loggers U24-002-C
    Order # U24-002-C Mfg # U24-002-C
    $985.00
  • Onset HOBO Data Loggers U22-001
    Onset HOBO Data Loggers U22-001
    Order # U22-001 Mfg # U22-001
    $175.00
  • Onset HOBO Data Loggers U22-U24-CAP
    Onset HOBO Data Loggers U22-U24-CAP
    Order # U22-U24-CAP Mfg # U22-U24-CAP
    $26.00
  • Onset HOBO Data Loggers U20L-04
    Onset HOBO Data Loggers U20L-04
    Order # U20L-04 Mfg # U20L-04
    $375.00
  • Onset HOBO Data Loggers U20L-02
    Onset HOBO Data Loggers U20L-02
    Order # U20L-02 Mfg # U20L-02
    $375.00
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