The testo 175 series data loggers have a USB and an SD card interface, making readout of the data fast and easy. The considerably higher memory capacity and the power supply using conventional batteries are further plus points

Data security
Password protection
Anti-theft lock
Robustness
Large display
Longer battery life
Large memory

testo ComSoft Basic 5:
Graphic user interface guides the user step-by-step through the individual procedures
Convenient export functions, e. g. for further processing of the data in Microsoft Excel, or the generation of a PDF which can be made available to other users
The testo ComSoft Basic 5 offers all the basic functions of a logger software
Free download of the testo ComSoft Basic 5 with mandatory registration

testo Comsoft Professional V4:
For more comprehensive software (testo Comsoft Professional V4), please see RS 745-7043. Comsoft V4 includes data archiving and an online measurement function. Comsoft V4 is compatible with Windows 7, Windows®XP service pack 2 and Windows Vista. Computer interface required: USB 1.1 or higher and Internet Explorer 5.0 SP1 or higher. Compatible logger models: testo 171, 174, 175, 176, 177. Also compatible with the testo 435-4 Climate Tester.

Looking for a way to measure the temperature in two different places at once? Use this temperature data logger from Testo. The versatile unit features two ports to which you can connect external sensors for simultaneous monitoring. You'll find it simple to set up thanks to the free-to-use ComSoft software. For added convenience, you can access and print data by connecting it to a computer with a USB (universal serial bus) cable. The wall bracket lets you mount it on a wall for ease of access. You can also padlock it to prevent tampering for added security.

• Large LCD (liquid-crystal display) is easy to read from a distance
• Long battery life of three years for extended use
• IP65 (ingress protection) rating means it's protected against dust and low-pressure water jets
• SD (secure digital) card for large data storage capacity

• HVAC (heating, ventilation and air conditioning) systems
• Laboratories

This device is compatible with Type T and Type K sensors. Type T sensors can measure temperatures between -50°C and +400°C, and Type K sensors can measure temperatures between -50°C to +1000°C. Thanks to these broad measurement ranges, this device is a good choice for demanding environments.