testo Saveris 2-T2 - WiFi data logger with display and 2 connections for NTC temperature probes, as well as cost-free Cloud access

Order-Nr.  0572 2002

  • Automated door contact and temperature monitoring with connectable probes (optional).

  • WiFI data logger system with easy installation and operation

  • Call up measurement data at any time via Smartphone, tablet or PC 

  • Limit value violation alarms by e-mail or (optionally) SMS

The WiFi data logger testo Saveris 2-T2 allows you to monitor the temperatures and door contacts in refrigerated and work- or storerooms. The temperature values and door contacts measured with the connectable probes are reliably recorded over long periods, and transmitted directly to the Testo Cloud (online data store) via your WiFi. You can access these readings at any time, anywhere, using your internet-enabled smartphone, tablet or PC.

Product Description

The WiFi data logger system testo Saveris 2 is the easy, versatile and secure solution for the measurement and monitoring of temperature and door contact values in your refrigerators and work or storerooms. The system consists of at least one WiFi data logger and a free Cloud access (online data store). As a component of this data logger system, the data logger testo Saveris 2-T2 with up to 2 connectable NTC temperature probes or door contacts, stores all measured temperature values and door contacts and transmits them directly by wireless LAN to the Testo Cloud. You can use the alarm function to receive immediate alarms by e-mail or SMS (optional), when limit values are violated.

Installation, readout and analysis of WiFi data loggers

The WiFi data logger testo Saveris 2-T2 can be easily installed without previous technical skills (no software installation necessary). For the commissioning as well as the evaluation and analysis of the measurement data, the free Cloud functionality "Basic" is available to you (register at www.saveris.net). You can access all measurement values and analysis functions anywhere and at any time with an internet-capable Smartphone, tablet or PC. Thanks to access to an API interface, you can export the measurement data to your system.

The current measurement values, limit value violations and the remaining battery life are visible in the data logger's display. The standard batteries (AA) have a lifetime of 24 months, and can be exchanged at any time by the user. The internal data store of the WiFi data logger has a capacity of 2 x 10000 measurement values, and the housing is protected according to IP65. testo Saveris 2-T2 is tested by TÜV Süd according EN 12830

In order to use the WiFi data logger testo Saveris 2-T2, you additionally require at least one connectable probe (optional).


Delivery Scope

  • WiFi data logger testo Saveris 2-T2
  •  Including free Cloud access
  • Micro-USB cable
  • Wall bracket with lock
  • Batteries (4 x AA AlMn batteries)
  • Quick Start Guide
  • Calibration report
Temperature - NTC

Measuring range

-50 to +150 °C


±0.5 °C


0.1 °C

General technical data


95 x 75 x 30.5 mm

Operating temperature

-30 to +50 °C

Protection class


Door contact


Communication rate

Basic: 15 min (fixed) / Advanced: 1 min. to 24 h (flexible)

Measuring rate

Basic: 15 min (fixed) / Advanced: 1 min. to 24 h (flexible)


EN 12830

Connection external

External temperature probes

Power supply

4 x AA AlMn batteries; mains unit optional; for temperatures below -10 °C please use Energizer batteries 0515 0572


10,000 measurement values / channel

Battery life

24 months at +25 °C and 15 mins measurement and communication interval at -30 °C and 15 mins measurement and communication interval with Energizer batteries 0515 0572

Storage temperature

-40 to +70 °C


240 g

Certificates for temperature