User manual

RHT510-en-GB_V1.0 5/17

Introduction

Thank you for selecting the Extech Model RHT510. This hand-held device measures Relative

Humidity, Air temperature, Dew point temperature, Wet bulb temperature, and Type K

temperature (using external probe). This device is shipped fully tested and calibrated and, with

proper use, will provide years of reliable service. Please visit our website (www.extech.com) to

check for the latest version and translations of this User Manual, Product Updates, Product

Registration, and Customer Support.

Features

• Backlit LCD with Display Hold

• Light weight, ergonomic design with lanyard

• Displays Relative Humidity and Temperature (Air, Type-K, Dew point, and Wet bulb)

• Selectable temperature units C/F

• MAX-MIN Recording

• Tripod Mounting

• Battery operated

Safety

Please read the entire User Manual and Quick Start before operating this device. Use the meter

only as specified and do not attempt to service or open the meter housing. Do not allow children

to handle the meter. Please dispose of batteries and meter responsibly and in accordance with

all applicable laws and regulations.