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

Product ID: 154778250

Details

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

📱Bluetooth-enabled smart connectivity

🔄90° bendable probe for versatile access

⏱️150h battery life for extended use

$310.35

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📊 Elevate your HVAC game with smart precision and bendable reach!

SMART BLUETOOTH INTEGRATION - Seamlessly sync live humidity & temperature data to your iOS/Android device for instant insights.
COMPACT LIGHTWEIGHT DESIGN - Carry a professional-grade tool (just 3.05 oz) that fits perfectly in your toolkit or pocket.
FLEXIBLE 90 BENDABLE PROBE - Access hard-to-reach ducts and crawl spaces with precision and ease.
USER FRIENDLY APP WITH REPORTING - Generate, save, and share custom measurement reports directly from your smartphone.
AUTOMATIC DEW POINT WET BULB CALCULATIONS - Get instant, accurate environmental metrics without manual math.

The Testo 605i Thermohygrometer is a compact, Bluetooth-enabled device designed for professional HVAC/R technicians and home users alike. Featuring a 90° bendable probe, it measures temperature and relative humidity with high accuracy, automatically calculating dew point and wet bulb temperatures. Controlled via a free iOS/Android app, it offers live data streaming, report generation, and effortless remote monitoring. Powered by 3 AAA batteries, it delivers up to 150 hours of continuous use, making it an essential tool for precise indoor climate assessment.

Specifications

ASIN	B07V717PFD
Battery Description	Alkaline
Best Sellers Rank	#58,811 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #135 in Indoor Thermometers
Brand Name	Testo
Color	black/orange
Customer Reviews	4.7 4.7 out of 5 stars (376)
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
Smart Home Compatibility	Not Smart Home Compatible
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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