RHT30
Data Logger, USB Temperature & Humidity
- Manufacturer: EXTECH INSTRUMENTS
- Product type:
- Data Logger Type:USB Temperature & Humidity; No. of Channels:-; Reading Capacity:48000; Product Range:-; SVHC:No SVHC (07-Jul-2017)
- SVHC: To Be Advised
- Product Range: -
- Data Logger Type: USB Temperature & Humidity
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 112.23 € |
| Current stock | 10+ |
| Lead time | 28 days |
## RHT30/RHT35 USB Humidity/ Temperature/Pressure Dataloggers **==> picture [55 x 6] intentionally omitted <==** **----- Start of picture text -----**<br> Download data to a PC<br>**----- End of picture text -----**<br> **==> picture [65 x 6] intentionally omitted <==** **----- Start of picture text -----**<br> USB cover used as a stand<br>**----- End of picture text -----**<br> Easy-to-use dataloggers record Humidity and Temperature, and RHT35 model also records Barometric Pressure. They use a standard USB connection to transfer up to 48,000 readings to a PC with data/time stamp in PDF or spreadsheet format. Additional features include an 8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in. Large LCD optimizes viewing and the smart LED provides color-coded humidity, temperature, and barometric pressure reading status. ## Features - Compact size housing with built-in NTC thermistor and capacitive humidity sensor designed with standard USB connector for easy data downloading to a PC - RHT35 has built-in barometric pressure MEMS sensor - 5-digit LCD display with battery life indicator - User programmable settings: 6 languages, sample rate, start delay time, alarm delay time, high/low alarm range, and security feature - Generates a PDF report or Excel[®] spreadsheet with data and trending graph when plugged into a PC after datalogging is completed (Adobe[®] Reader[®] required) - Max/Min function - Includes (2) CR2032 batteries, USB cover (can be used as a stand), wall mounting screw, and built-in hanger - Status Indication via Red and Green LEDs - Start button begins continuous datalogging, which continues until memory is full at 48,000 readings, or when Stop button is pressed - Bookmark 8 locations in a data recording log Easily generate a PDF report or Excel spreadsheet when plugged into a PC. - Long battery life (approx. 3 months) |Specifications<br>Humidity<br>Temperature (Air)<br>Barometric Pressure (Model RHT35 only)<br>Datalogging interval<br>Memory<br>Dimensions/Weight|Range<br>Max Resolution<br>Basic Accuracy<br>0.1 to 99.9% RH<br>0.1% RH<br>±3% RH<br>-22 to 158°F (-30 to 70°C)<br>0.1°<br>±1.0°F (±0.5°C)<br>300 to 1100 hPa (8.9 to 32.5 inHg)<br>0.1 hPa (0.1 inHg)<br>±3 hPa<br>30 seconds to 2 hours<br>RHT30 - Relative Humidity: 24,000 points, Temperature: 24,000 points<br>RHT35 - Relative Humidity: 16,000points, Temperature: 16,000points, Barometric Pressure: 16,000points<br>4.3x1.6x0.75" (110x40x19mm)/ 1oz (90g)| |---|---| ## Ordering RHT30 ............... USB Humidity/Temperature Datalogger RHT35 ............... USB Humidity/Temperature/Barometric Pressure Datalogger RHT30 UPC Code: 793950441305 RHT35 UPC Code: 793950441350 Specifications subject to change without notice. Copyright © 2017 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form. Rev. 5/30/17 **www.extech.com**
Updated at June 4, 2026
Founded in 1971, Extech Instruments is a globally recognized manufacturer of professional test and measurement tools. The company is renowned for providing reliable, high-quality instruments designed to prevent, identify, and troubleshoot complex problems across electrical, mechanical, safety, and environmental applications. A key focus of their innovative portfolio includes advanced data acquisition and logging solutions. Extech's dataloggers are engineered for precision and durability, enabling professionals to accurately record, monitor, and analyze critical system metrics and environmental conditions over extended periods. Complementing their data logging equipment, Extech also manufactures specialized sensing components. Their high-performance temperature sensors are built to deliver precise and dependable thermal measurements, ensuring accurate readings for critical industrial and commercial monitoring processes.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →