EXTECH RH490 Data Logging Temperature & Humidity Meter
The EXTECH RH490 is a data logging temperature and humidity meter with onboard sensors, measuring 7.8 in x 1.7 in x 1.3 in and covering a temperature range of -22°F to 199°F. This EXTECH-branded instrument does not…
SKU 3G-OTH-178798
Also listed as: RH 490 · RH-490
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The EXTECH RH490 is a data logging temperature and humidity meter with onboard sensors, measuring 7.8 in x 1.7 in x 1.3 in and covering a temperature range of -22°F to 199°F. This EXTECH-branded instrument does not include a calibration certificate.
Frequently Asked Questions
What is the EXTECH RH490 hygro thermometer used for?
The EXTECH RH490 is a data logging temperature and humidity meter used for monitoring environmental conditions in HVAC, cleanrooms, warehouses, and industrial storage. Its onboard sensor measures temperature from -22°F to 199°F and relative humidity, making it suitable for climate validation and quality control applications.
What are the specifications of the EXTECH RH490?
The EXTECH RH490 is a data logging temperature and humidity meter with onboard sensors. It measures 7.8 in x 1.7 in x 1.3 in and covers a temperature range of -22°F to 199°F. This EXTECH-branded instrument does not include a calibration certificate. The manufacturer part number is RH490.
Where to buy the EXTECH RH490 worldwide?
3G Electric supplies the EXTECH RH490 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this data logging temperature and humidity meter for your facility.
How to use the EXTECH RH490 for data logging?
To use the EXTECH RH490, power on the unit and place it in the target environment. The onboard sensor logs temperature from -22°F to 199°F and humidity. For accurate readings, avoid direct sunlight and extreme airflow. Refer to the EXTECH manual for data retrieval and setup instructions.
Used in
Common applications for EXTECHEXTECH Products
3G Electric supplies EXTECH data logging temperature & humidity meters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.