Extech Instruments RHM15, RHT3, RH30, RH35 Catalog Page

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Hygro-Thermometers & Humidity Alert

RHT3 EzSmart™ Hygro-Thermometer

Make your iOS®& Android™ Smart Devices* even smarter with this EzSmart
Hygro-Thermometer and free app from iTunes

®

and Google Play™store

• Measures Humidity and Temperature simultaneously

• Calculates Wet Bulb and Dew Point Temperature

• Continuous graph plots Humidity and Temperature changes over time

• 5 user-settable high/low alarms for both Temperature and Humidity

• 4 records — each contains 100 data points with Humidity, Temperature,
Wet Bulb, and Dew Point, plus Time, Date and GPS coordinates

• Post images directly to social media (Facebook

®

and Twitter™)

• Complete with built-in sensor and protective connector cap with strap; 1yr warranty

* iOS/Android device not included (see compatible device on www.extech.com/RHT3)

SPECIFICATIONS RANGE RESOLUTION BASIC ACCURACY

Relative Humidity 20% to 95%RH 0.1%RH ±5% RH
Temperature -4 to 140°F (-20 to 60°C) 0.1° ±1.8°F (±1°C)
Wet Bulb (calculated) -4 to 140°F (-20 to 60°C) 0.1°

Dew Point (calculated) -40 to 140°F (-40 to 60°C) 0.1°
Dimensions / Weight 0.7 x 0.35 x 2.1" (18 x 9 x 54mm) / 0.25oz (7g)

ORDERING

RHT3 EzSmart™Hygro-Thermometer

RH30/RH35 Humidity Alerts

Monitor Temperature and Humidity to gauge proper heat and moisture levels
in an area and it also records high and low extremes during the day

• Measure Temperature/Dew Point & Humidity; basic accuracy of ±1.8°F/1°C, ±5%RH

• MAX/MIN with reset function

• Complete with stand and batteries; 1 year warranty

Model RH30 Additional Features

• Measures Temperature/DP (4 to 122°F/-10 to 50°C) and Humidity (10 to 99%RH)

• Beeper sounds and bright facial LED flashes when humidity
level exceeds user preset (50, 60, or 65%RH)

• Dimensions/Weight: 3.7x3.7x0.9" (94x94x23mm)/ 4.8oz (136g)

Model RH35 Additional Features

• Measures Temperature/DP (14 to 140°F/-10 to 60°C) and Humidity (10 to 99%RH)

• Innovative graphical display shows the measured humidity
values of the last 24 hours like a radar screen

• Beeper sounds and bright LED flashes when humidity level exceeds 65%RH

• Facial icons indicate comfort zone (between 40 to 60%RH) and
uncomfortable zone (too dry < 40%RH or too humid > 60%RH)

• Dimensions/Weight: 3.9x4.3x 2" (98x109x55mm)/ 3.1oz (87g)

ORDERING

RH30 Humidity Alert
RH35 Desktop Radar Hygro-Thermometer Alert

RHM15 Mini Hygro-Thermometer Monitor

Monitor Temperature and Humidity to gauge proper heat and moisture levels
in an area and it also records high and low extremes during the day

• Simultaneous display of Temperature (14 to 140°F) and Humidity (10 to 99% RH)

• Basic Accuracy: ±1.8°F/1°C and ±5%RH

• MAX/MIN with reset function

• Dims: 2x1.5x0.63" (51x38x16mm); Wt: 0.8oz (24g)

• Complete with stand and LR44 battery; 1 year warranty

ORDERING

RHM15 Mini Hygro-Thermometer Monitor (%RH and °F only)

Mini-sized housing is ideal for monitoring Humidity/
Temperature levels in musical instrument cases, humidors,
computer server rooms, labs, office areas, and wine cellers

RH35

Free Smart Device App

Measure °F/°C and %RH, view in
digital or graph mode, take photos,
and record data onto the photo.