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Portable 12 inch USB Temperature/Humidity Probe 6184-010 - comes with android on-the-go cable and free software.

Portable USB Temperature/Humidity Probe

PN: 6184-010

Regular price $325.00 Sale

Temperature/Humidity 12 in. or 18 in. Probe with 2-meter USB interface cable,  Android On-The-Go cable, and free software (see Downloads tab below)
Available with NIST Traceable Certificate 

This product is experiencing longer than usual lead time (3 weeks ARO). If needed, please contact factory for additional information.

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The Portable USB Temperature and Humidity Probe combines high accuracy temperature and humidity sensors into a rugged stainless steel probe with a built-in USB interface. The probe can be used with Windows-based PCs or Android devices that support On-The-Go communications. To use it with an Android device simply download the free App from Google Play, plug the probe into your device with the supplied interface cables and start the application. The probe receives its power from the host USB device. Real-time data is displayed and can be stored for review on the PC using a spreadsheet or review data graphically using our free Track-It data logger software. Available in 300 mm or 450 mm [12 in. or 18 in.] lengths. The probe comes standard with a free flow Delrin cap. Optional sintered stainless steel filter caps are available for measuring dry bulk material or for use in dusty/dirty environments. Field pre-calibrated replacement sensors are available (with or without NIST Traceable Certificate).

Typical Uses:

  • HVAC spot checking
  • Industrial process
  • Storage facilities
  • Building energy management
  • Dry bulk material measurement
  • Clean rooms
  • Environmental monitoring
  • Data centers
  • Greenhouse/agriculture
  • Food and beverage
  • Laboratories
  • Computer rooms
  • Process air
  • Environmental chambers
  • Incubators
  • Dryers
  • Dehumidifier/dew point controllers


  • Rugged 316 stainless steel construction
  • 6.5 ft. [2 m] USB cable included
  • Free Android App
  • Android On-The-Go cable included
  • Free real-time PC software
  • Humidity range: 0 to 100%
  • Dew point calculation
  • Temperature range: –40 °C to 125 °C
  • Low power consumption
  • High accuracy and repeatability
  • High reliability
  • Available in two lengths
  • Review graphic data with our free Track-It Software for data loggers
  • Optional sintered filter caps for use in dry bulk or dusty/dirty environments
  • NIST Traceable Certificate available
  • Field replacement sensors available (with or without NIST Traceable Certificate)



Max Range**

Probe tip only

-40 °F to 257 °F

(-40 °C to 125 °CƗ)

Recommended Operating Range


32 °F to 185 °F

(0 °C to 85 °C)


32 to 212

±0.4 °F


 0 to 100

±0.2 °C typical

Repeatability 0.2 °F / 0.1 °C

Relative Humidity



0-100% RH

Accuracy (@25°C)

10 to 90

±1.8% RH typical 



±0.1% RH

Response T63 ***

10 sec.

*Specifications are subject to change without notice.
**Note: This specification applies to the probe sensor. The bottom 6 in. [15 cm] of the probe should not be exposed to temperatures above 85 °C (185 °F) or below 0°C (32 °F).
***Tau 63% — To achieve 63% of a step function at 25 °C with 1 m/sec airflow using the slotted cap (note change in spec and footnote text)



USB Humidity Probe - typical and maximal tolerance relative humidityTypical and maximal tolerance for temperature of USB Humidity Probe

 Typical and maximal tolerance: temperature in °C and at 25 °C for RH.

*Specifications are subject to change without notice.

Android App & PC Software

The Portable Temperature Humidity Probe includes a suite of free software products that enhance your ability to measure, record, analyze, trend, and print historic data.  Begin by installing and using either the TH Probe Android App or the TH Probe PC Software. View and record real-time digital temperature, humidity, and dew point data.

Click here to get the App from Google Play!






 TH Probe Android App TH Probe PC Software

Simply plug the probe into your Android device with the supplied USB and USB On-The-Go cable, touch the connect icon and begin displaying Temperature and Humidity data immediately.

Use the setup menu to select engineering units, display rate, record rate, time/date format, and language. Data can be recorded in CSV format. 

Use your PC and TH Probe Software to display and record temperature, humidity, and dewpoint data in real-time. 

Engineering units, record rate, and record mode can be quickly selected in the setup menu. High or Low alarm set-points can be selected for temperature and humidity. Data can be stored in CSV format or in Track-It data logger format for use with our free Track-It data logger software.


Shipping Codes for the Portable USB Temperature/Humidity Probe:

Harmonized Tariff Code:  9025805050

Country of Origin:  US

Export Control Classification Number (ECCN):  EAR99

Shipping Codes for the Portable USB Temperature/Humidity Probe with NIST Certification:

Harmonized Tariff Code:  9030908030

Country of Origin:  US

Export Control Classification Number (ECCN):  EAR99


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