Extech Instruments RHT510-NIST User manual

EXTECH® USER MANUAL

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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

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.

RHT510-en-GB_V1.0 5/17

Specifications

Electrical Specifications (23±5°C)

Humidity/Air Temperature

Unit Range Resolution Accuracy

%RH 10 to 95 0.1 <70%: ±(4%RH)

≥70%: ±(4%rdg + 1.2%RH)

Temp oC 0 to 50 0.1 ±1.2oC

Temp oF 32 to 122 0.1 ±2.5oF

Type K Thermocouple (external probe)

Unit Range Resolution Accuracy*

Type K Temp oC

-50.0 to 1300.0 0.1 ±(0.4%rdg + 0.5 oC)

-50.1 to -100.0 0.1 ±(0.4%rdg + 1.0 oC)

Type K Temp oF

-58.0 to 2372.0 0.1 ±(0.4%rdg + 1.0 oF)

-58.1 to -148.0 0.1 ±(0.4%rdg + 1.8 oF)

*Accuracy spec. does not include additional error introduced by the external probe

Dew Point Temperature

oC -25.3 to 49.0 0.1 Calculation based on

humidity/temp values.

oF -13.5 to 120.0 0.1

Wet Bulb Temperature

oC -5.4 to 49.0 0.1 Calculation based on

humidity/temp values.

oF 22.2 to 120.0 0.1

RHT510-en-GB_V1.0 5/17

General Specifications

Display Backlit LCD 35 x 30mm (1.38 x 1.18”)

Measurements Humidity/Temp; Dew Point; Wet Bulb; Type K Temp.

Input Overload Display “----“

Tripod Mount On rear panel

Power 1.5V AAA batteries (3)

Power Consumption Approx. 5mA DC

Automatic Power Off After approx. 10 minutes of inactivity

Operating Temperature 0 to 50oC (32 to 122oF)

Operating Humidity 95% RH max

Storage Temperature -10 to 60oC (14 to 140oF)

Storage Humidity 10 to 75% RH

Dimensions/Weight 153 x 45 x 20mm (6.0 x 1.8 x 1.2”) /160g (5.64oz)

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

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