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 HP-B
    Onset HOBO Data Loggers HP-B
    Order # HP-B Mfg # HP-B
    $15.00
  • Onset HOBO Data Loggers COUPLER2-E
    Onset HOBO Data Loggers COUPLER2-E
    Order # COUPLER2-E Mfg # COUPLER2-E
    $15.00
  • Onset HOBO Data Loggers COUPLER2-D
    Onset HOBO Data Loggers COUPLER2-D
    Order # COUPLER2-D Mfg # COUPLER2-D
    $15.00
  • Onset HOBO Data Loggers COUPLER2-B
    Onset HOBO Data Loggers COUPLER2-B
    Order # COUPLER2-B Mfg # COUPLER2-B
    $15.00

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  • Onset HOBO Data Loggers COUPLER2-A
    Onset HOBO Data Loggers COUPLER2-A
    Order # COUPLER2-A Mfg # COUPLER2-A
    $15.00
  • Onset HOBO Data Loggers CASE-VENTED-LOCK
    Onset HOBO Data Loggers CASE-VENTED-LOCK
    Order # CASE-VENTED-LOCK Mfg # CASE-VENTED-LOCK
    Special Price $33.25 Save 29 % Regular Price $47.00
  • Onset HOBO Data Loggers CABLE-DR-5.0
    Onset HOBO Data Loggers CABLE-DR-5.0
    Order # CABLE-DR-5.0 Mfg # CABLE-DR-5.0
    Special Price $85.50 Save 24 % Regular Price $113.00
  • Onset HOBO Data Loggers CABLE-DR-060
    Onset HOBO Data Loggers CABLE-DR-060
    Order # CABLE-DR-060 Mfg # CABLE-DR-060
    Special Price $294.50 Save 24 % Regular Price $388.00
  • Onset HOBO Data Loggers CABLE-DR-030
    Onset HOBO Data Loggers CABLE-DR-030
    Order # CABLE-DR-030 Mfg # CABLE-DR-030
    Special Price $180.50 Save 24 % Regular Price $238.00
  • Onset HOBO Data Loggers CABLE-DR-015
    Onset HOBO Data Loggers CABLE-DR-015
    Order # CABLE-DR-015 Mfg # CABLE-DR-015
    Special Price $123.50 Save 24 % Regular Price $163.00
  • Onset HOBO Data Loggers BOOT-TIDBIT-BK
    Onset HOBO Data Loggers BOOT-TIDBIT-BK
    Order # BOOT-TIDBIT-BK Mfg # BOOT-TIDBIT-BK
    $31.00
  • Onset HOBO Data Loggers BOOT-BLK
    Onset HOBO Data Loggers BOOT-BLK
    Order # BOOT-BLK Mfg # BOOT-BLK
    $26.00
  • Onset HOBO Data Loggers MX2301A
    Onset HOBO Data Loggers MX2301A
    Order # MX2301A Mfg # MX2301A
    $199.00
  • Onset HOBO Data Loggers UX90-LIGHT-PIPE-1 1ft.Fiber Optic Attachment 002,005,006
    Onset HOBO Data Loggers UX90-LIGHT-PIPE-1
    Order # UX90-LIGHT-PIPE-1 Mfg # UX90-LIGHT-PIPE-1
    $35.00
  • Onset CX402-VFC215 InTemp VFC Data Logger, 2M 15mL
    Onset HOBO Data Loggers CX402-VFC215
    Order # CX402-VFC215 Mfg # CX402-VFC215
    $169.00
  • Onset CX402-T415 InTemp Data Logger, 4M Temp Probe, 15mL bottle
    Onset HOBO Data Loggers CX402-T415
    Order # CX402-T415 Mfg # CX402-T415
    $185.00
  • Onset CX402-T215 InTemp Temperature Logger, 2m probe and 15 mL glycol bottle
    Onset HOBO Data Loggers CX402-T215
    Order # CX402-T215 Mfg # CX402-T215
    Special Price $168.00 Save 4 % Regular Price $175.00
  • Onset HOBO Data Loggers S-RGF-M002 Davis (0.2mm) Rain GaugeSmart Sensor
    Onset HOBO Data Loggers S-RGF-M002
    Order # S-RGF-M002 Mfg # S-RGF-M002
    $269.00
  • Onset HOBO Data Loggers BHW-PRO-USB
    Onset HOBO Data Loggers BHW-PRO-USB
    Order # BHW-PRO-USB Mfg # BHW-PRO-USB
    $99.00
  • Onset HOBO Data Loggers MX2204
    Onset HOBO Data Loggers MX2204
    Order # MX2204 Mfg # MX2204
    $165.00
  • Onset HOBO Data Loggers MX2203
    Onset HOBO Data Loggers MX2203
    Order # MX2203 Mfg # MX2203
    $159.00
  • HOBO External Temp Data Logger -40 to 212F
    Onset HOBO Data Loggers MX2304
    Order # MX2304 Mfg # MX2304
    $175.00
  • HOBO External Temp Data Logger -40 to 212F
    Onset HOBO Data Loggers MX2303
    Order # MX2303 Mfg # MX2303
    $235.00
  • Onset HOBO Data Loggers H21-USB
    Onset HOBO Data Loggers H21-USB
    Order # H21-USB Mfg # H21-USB
    Special Price $253.89 Save 9 % Regular Price $279.00
  • Onset HOBO S-FS-TRMSA FlexSmart TRMS 2-Channel Module Sensor
    Onset HOBO Data Loggers S-FS-TRMSA
    Order # S-FS-TRMSA Mfg # S-FS-TRMSA
    $125.00
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