★★★★★
Very useful
Michael Cofske—April 22, 2025✓ Verified purchase
Bought (3) nice for checking return, supply and ambient temps, works great with MeasureQuick app. Read more
Testo 605i Thermohygrometer - Hygrometer Indoor Thermometer for Humidity Measurement and Indoor Temperature - 90 Bendable In-Duct Temperature
$145.00
About this item
- Efficient; The testo 605i thermohygrometer is ideal for measurements in rooms, ducts, crawl spaces, registers and environmental boxes and chambers due to the compact probe head bendable to 90°
- Smart; Enabling live data feed integration and automatic calculations which are conveniently displayed on your terminal device, the 605i temperature and humidity monitor is ideal for all HVAC/R technicians
- Versatile; The testo 605i hygrometer and indoor thermometer measures relative air humidity and temperature in rooms and ducts and calculates dew point and wet bulb temperature automatically
- Easy to use; The 605i digital humidity meter and indoor thermometer for home allows accurate remote monitoring and is operated via mobile device. Supplied calibrated and with 3 AAA batteries for instant use
- App for Android and iOS; The free testo Smart Probes App is a powerful tool that allows you to read and log measurements of the thermometer and humidity gauge and create custom reports which can be saved and shared
$145.00
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Delivery — Friday 10 Apr – 16 Apr
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Product details
| Color | black/orange |
|---|---|
| Brand | Testo |
| Product Dimensions | 1"W x 10"H |
| Item Weight | 95 Grams |
| Battery Description | Alkaline |
Technical specifications
| color | black/orange |
|---|---|
| brand | Testo |
| product_dimensions | 1"W x 10"H |
| item_weight | 3.35 ounces |
| battery_description | Alkaline |
| mounting_type | Tabletop |
| operating_humidity | 10-35%, 35-65%, 65-90%, <10% RH or >90% RH (at 77°F) |
| upper_temperature_rating | 140 Degrees Fahrenheit |
| voltage | 3 Volts |
| temperature_accuracy | 0.5 Degrees Celsius |
| temperature_reading_accuracy | plus_minus_0_point_5_degrees_celsius |
| manufacturer | Testo |
| global_trade_identification_number | 04029547022531 |
| item_model_number | 0560 2605 03 |
| date_first_available | October 19, 2018 |
| best_sellers_rank | #65,163 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #159 in Indoor Thermometers |
From the brand
Product videos
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Customer reviews
4.7365 ratings
Customers say
Customers find the thermohygrometer to be reasonably accurate and of good quality.
★★★★★
Best bluetooth thermometer
Adam P.—December 29, 2025✓ Verified purchase
Awesome to have something to check temps in a RIC Read more
★★★★★
Accuracy seems to be great
R—August 9, 2023✓ Verified purchase
I wanted something I could use as an easy humidity standard. This unit had the best specs for the price. I bought it despite the drawback that it had no visible meter and needed a smartphone to display the readings. Turns out the smartphone requirement was its best feature. It will display a real time graph of the temperature and humidity readings. You can use the graph to see when it stabilizes, plus it will show you the fluctuations in the humidity and temperature. Since I'm using it for a humidity standard, couldn't calibrate that. I did calibrate the temperature readings against a lab thermometer. They exceeded the claimed accuracy. The difference between the readings of this instrument and the lab thermometer were essentially nil. Read more
★★★★★
Testo 605i
martin gabriel—December 13, 2025✓ Verified purchase
Excelente Producto!. Read more
★★★★☆
Work well
BO—August 16, 2025✓ Verified purchase
Work fine Except the power on switch which gets pushed accidentally a lot if you place them in anything but the OEM case, they are great I prefer fieldpiece now though Read more
★★★★★
Very good instrument
L.Lopez—February 15, 2026✓ Verified purchase
Best in class Use this thermohygrometer in many commissioning tests. Aside of a high accuracy, the online data capture and basic reports that can be exported in ccv format, makes this instrument a good option for field testing. Read more
★★★★★
Muy buen termohigrómetro
Wladimir—November 19, 2025✓ Verified purchase
Muy buen producto, de origen alemán. Gran precisión y resistencia Read more
★★★★★
Works great and connectivity it’s seamless
Randall Adams—September 4, 2023✓ Verified purchase
Turn on and throw it inside of a refrigerator you’re temping down and checking cut in cut out temps on and don’t have to worry about opening the door to check on it just download the app and see everything on your phone. Bluetooth distance is further then I thought it’d go. Also batteries last pretty long as well Read more
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