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HOBO Data Logger: 0%to 95% Relative Humidity Measured, -4°F to 158°F, -20°C to 70°C - Temperature Data Loggers
HOBOTemperature Data Loggers

HOBO Data Logger: 0%to 95% Relative Humidity Measured, -4°F to 158°F, -20°C to 70°C

The HOBO UX90-004 is a temperature data logger that measures temperature in °C and °F, with a range of -20°C to 70°C (-4°F to 158°F) and relative humidity from 0% to 95%. It features a USB interface and an external…

SKU 3G-OTH-170009

Brand
HOBO
Item
Data Logger: 0%to 95% Relative Humidity Measured, -4°F to 158°F, -20°C to 70°C
Category
Temperature Data Loggers
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Technical Specifications

HOBO
Manufacturer Part Number
UX90-004
Type
-4°F to 158°F, -20°C to 70°C, UX90-004, Temp
Features
External Input for Measuring Mechanical Contact Closures when Signal Strength is Low
Includes
Hook and Loop Strip
Interface
USB
Data Logger Type
Temperature
Software Options
Software Available Separately
Parameters Measured
Temperature °C
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HOBO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HOBO UX90-004 is a temperature data logger that measures temperature in °C and °F, with a range of -20°C to 70°C (-4°F to 158°F) and relative humidity from 0% to 95%. It features a USB interface and an external input for measuring mechanical contact closures when signal strength is low. The logger includes a hook and loop strip, and software is available separately.

Frequently Asked Questions

What is the HOBO UX90-004 temperature data logger used for?

The HOBO UX90-004 temperature data logger monitors temperature from -20°C to 70°C and relative humidity from 0% to 95%. It is used in HVAC, refrigeration, and environmental monitoring to track conditions over time. Its external input also measures mechanical contact closures when signal strength is low.

What are the specifications of the HOBO UX90-004 data logger?

The HOBO UX90-004 measures temperature in °C and °F from -20°C to 70°C (-4°F to 158°F) and relative humidity from 0% to 95%. It has a USB interface, includes a hook and loop strip, and features an external input for low-signal contact closures. Software is available separately.

Where to buy the HOBO UX90-004 temperature data logger worldwide?

3G Electric supplies the HOBO UX90-004 temperature data logger worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this data logger to your facility. Contact us for availability and lead time on orders.

How to install the HOBO UX90-004 data logger?

To install the HOBO UX90-004, attach the included hook and loop strip to secure the logger in the monitoring area. Connect the USB interface to a computer for configuration using HOBOware software (sold separately). Ensure the external input is wired correctly for contact closure measurements.

Used in

Common applications for HOBO
HVAC system performance verification — HOBO MX1101 temperature/humidity logger for duct and room monitoring
Cold chain logistics — HOBO MX2202 waterproof temperature/light logger for shipment condition tracking
Building energy audits — HOBO UX100-011A with LCD display for indoor climate logging
Agricultural research — HOBO MX2306 wireless logger for field temperature and humidity data collection
Cleanroom environmental monitoring — HOBO U22-001 research-grade logger for long-term temperature recording
Industrial process control — HOBO UX120-006M analog logger with external sensors for pressure or current monitoring

HOBO Products

3G Electric supplies HOBO temperature data loggers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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