Is there a sdk/api - can one programmatically read the output (write my own app)?

I don't know, But I use the Measure Quick app.

Hi there. Is this a second gen?

Mine has the magnet and stick bend also. My Bluetooth range is somewhere around 50 ft or so through normal wood walls. Works great.

will it stay easily in side an air vent?

It comes with a magnetic collar. I find it stays nicely on all types of tin just put the tip through a 1/4" hole in the duct (easily plugged or covered when your done) and let the collar do it's job. I got two so I can do real time we and dry bulb delta T. It also has a magnet in the Handel. However, if you want to place the whole unit in the vent it will not read as well as the probe is ment to be perpendicular to the airflow.

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Testo 605i Thermohygrometer - Hygrometer & Indoor Thermometer for Humidity Measurement and Indoor Temperature - 90° Bendable In-Duct Temperature and Humidity Monitor with Bluetooth - iOS & Android

Testo 605i Thermohygrometer - Hygrometer & Indoor Thermometer for Humidity Measurement and Indoor Temperature - 90° Bendable In-Duct Temperature and Humidity Monitor with Bluetooth - iOS & Android

Product ID: 154778250

Details

Battery Description
Alkaline
Brand
Testo
Color
black/orange
Item Weight
95 Grams
Product Dimensions
1"W x 10"H

📱Bluetooth smart connectivity

🔄90° bendable probe for versatile access

⏱️150h battery life for extended use

$310.35

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Description

🌡️ Stay ahead of the curve with testo 605i — precision meets smart flexibility!

SMART BLUETOOTH INTEGRATION - Seamlessly sync live humidity & temperature data to your iOS or Android device for real-time insights and effortless reporting.
FLEXIBLE 90 BENDABLE PROBE - Access hard-to-reach ducts and tight spaces with a compact, bendable sensor head designed for precision in any environment.
POWERFUL APP DRIVEN MONITORING - Leverage the free testo Smart Probes App to log, analyze, and share custom reports—boosting your professional edge and workflow efficiency.
PLUG PLAY WITH INSTANT CALIBRATION - Ready out-of-the-box with pre-calibrated accuracy and included batteries, so you can start measuring immediately.
AUTOMATIC DEW POINT WET BULB CALCULATIONS - Get instant, accurate environmental metrics without manual math—perfect for HVAC pros and indoor climate control.

The Testo 605i Thermohygrometer is a compact, Bluetooth-enabled device designed for precise indoor temperature and humidity measurement. Featuring a 90° bendable probe, it excels in tight spaces like ducts and crawl spaces. Compatible with iOS and Android, it offers real-time data streaming, automatic dew point and wet bulb calculations, and a user-friendly app for logging and reporting. With a 150-hour battery life and pre-calibrated accuracy, it’s the go-to smart tool for HVAC professionals and indoor environment monitoring.

Specifications

ASIN	B07V717PFD
Battery Description	Alkaline
Best Sellers Rank	#37,419 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #106 in Indoor Thermometers
Brand	Testo
Brand Name	Testo
Color	black/orange
Customer Reviews	4.7 out of 5 stars 378 Reviews
Global Trade Identification Number	04029547022531
Included Components	industrial-and-scientific-temperature-indicators
Item Dimensions W x H	1"W x 10"H
Item Weight	95 Grams
Manufacturer	Testo
Model	0560 2605 03
Mounting Type	Tabletop
Operating Humidity	10-35%, 35-65%, 65-90%, <10% RH or >90% RH (at 77°F)
Part Number	0560 2605 03
Product Dimensions	1"W x 10"H
Temperature Accuracy	0.5 Degrees Celsius
Temperature Reading Accuracy	plus_minus_0_point_5_degrees_celsius
Unit Count	1.0 Count
Upper Temperature Range	140 Degrees Fahrenheit
Voltage	3 Volts

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$310.35

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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