testo Wi-Fi Data Loggers

  • Automated temperature, humidity, light intensity, UV radiation and CO2 concentration monitoring with connectable probe
  • 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

Click Here to download the testo Wi-Fi Data Logger data sheet

Click Here  to download the testo Wi-Fi Data Logger Application Brochure

Click Here  to download the Security Dossier : This is how your data are safe in Testo Cloud

Click Here  to watch the testo Wi-Fi Data Logger video

Click Here  to watch the testo 160 IAQ data logger video

Click Here to watch the testo Saveris Retail Chain The digital quality management system video

Click Here to watch the testo facility management system video

Overview

The testo Saveris 2 WiFi data logger system is the easy, versatile and reliable solution for the measurement and monitoring of temperature and humidity values in your storage, refrigerated and work rooms. Installing the system is child’s play and can be carried out either via a browser or with the testo Saveris 2 App.

Humidity and temperature monitoring with testo Saveris 2

The temperature, humidity, light intensity, UV radiation and CO2 monitoring 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 testo Saveris 2 and testo 160 data logger with the connectable temperature and humidity, light intensity, UV radiation and CO2 concentration optional probes stores all measured values and transmits them directly by wireless LAN to the Testo Cloud. You can use the alarm function to receive immediate warnings by e-mail or SMS (optional) when limit values are violated.

The Testo Cloud packages: Basic (free) and Advanced

The Testo Cloud is the core operating element for setting up your testo Saveris 2 system. Here you can configure your WiFi data loggers, set limit value alarms and analyze your measurement data. You can access all measuring values and analysis functions anywhere and at any time with an internet-capable smartphone, tablet or PC. You must first register at www.saveris.net to have access to the Testo Cloud.
 
Depending on the range of functions you require, you have a choice between the free Basic and the more extensive Advanced functionality for use of the Testo Cloud:

  Basic (free) Advanced
Measuring cycle 15 min. … 24 h 1 min. … 24 h
Communication cycle 15 min. … 24 h 1 min. … 24 h
Data storage Max. 3 months Max. 2 years
Reports Manual (.pdf/.csv) Manual (.pdf/.csv)
Automatic (.pdf/.csv)
Number of users per account 1 10
Number of WiFi data loggers
per account
Unlimited Unlimited
Alarm options Upper/lower alarm limits • Upper/lower alarm limits
• Alarm delay
• Time control of alarms
System notifications • Notification of low battery
• Radio link interrupted
• Power supply interrupted
• Notification of low battery
• Radio link interrupted
• Power supply interrupted
E-mail alarm Yes Yes
SMS alarm No • Including 25 SMS per logger and year
• Option of purchasing additional SMS packages
Measurement data export (API interface) Yes Yes

 

If you opt for the advantages of the Advanced package, this also gives you a choice between licence packages which differ in terms of their validity period (12-month licence with order no. 0526 0735, 24-month licence with order no. 0526 0732 and 36-month licence with order no. 0526 0733).

WiFi data logger: advantages and functions

Current measuring values, limit value violations and the remaining battery life can be seen in the data logger’s display. The standard batteries (AA) have a lifetime of 12 months and can be replaced at any time by users themselves. The internal data memory of the WiFi data logger has a capacity of 2 x 10,000 readings and the housing is protected according to IP54.

WiFi data logger Applications

  • Monitoring the micro-climate in a display cabinet

Reliable monitoring of ambient conditions in a display cabinet plays a decisive role in protecting valuable and sensitive exhibits. An unstable micro-climate in the display cabinet can result in damage to the objects. A WiFi data logger in the testo 160 range detects when limit values are critically exceeded and ensures the safety of your museum objects through its alarm function. This small WiFi data logger can also be placed discreetly in a display cabinet.  

  • Checking and documenting the ambient conditions in the exhibition room 

Paintings, sculptures and other exhibits may be badly damaged by an unsuitable climate in the exhibition room. Micro-cracks and fissures, which gradually grow larger, are the consequence of an unsuitable or highly fluctuating ambient climate. With WiFi data loggers in the testo 160 series, you can monitor the key parameters of temperature and relative humidity at all times. In this way, the WiFi data logger helps you to avoid climate-related damage. As loan items are often exhibited, a museum’s reputation relies on the careful handling of such items. Consistent documentation of climatic conditions is generally included in a loan agreement. By storing data in the Testo Cloud, the museum can not only provide lenders with this documentation but can also offer them access at all times to the current climate conditions at their object. Thanks to the simple design and small dimensions, your WiFi data logger can be integrated into the room – without drawing attention.

  • Protecting museum objects through light and climate measurements 

Unsuitable light conditions, as well as the wrong indoor climate, pose a huge risk to exhibition objects. They accelerate natural ageing processes and cause irreparable micro-cracks and discolouration. Prevent exhibits from losing their value and preserve cultural heritage with a WiFi data logger from the testo 160 series. Use the WiFi data logger to monitor humidity and temperature, and check lux and UV radiation. In this way, you can protect your museum objects against climate-related damage and discolouration. 

  • Good ambient conditions inside the storage depot 

Museums generally only exhibit a small proportion of their objects. As the majority of a museum’s inventory is stored at a depot, reliable monitoring of the ambient conditions is particularly important here. Constant and suitable ambient conditions are important for decelerating the natural ageing processes of museum objects. A WiFi data logger from the testo 160 range helps you properly monitor and document the storage of your collections. 

Delivery Scope

testo Saveris 2 WiFi data logger
Including free Cloud access (basic functionality)
Micro USB cable
Wall bracket with lock
Batteries (4 x AA AlMn Mignon batteries)
Short instructions

Technical Data
Humidity – Capacitive
Measuring range: 0 to 100 %RH (non-condensing)
Accuracy: ±2.0 %RH at +25.0 °C and 20 to 80 %RH / ±3.0 %RH at +25.0 °C and < 20%RH and > 80 %RH / ±1.0 %RH hysteresis / ±1.0 %RH / year drift
Resolution: 0.1 %RH

Absolute Pressure
Measuring range: 600 to 1100 mbar
Accuracy: ±3 mbar at +22 °C
Resolution: 1 mbar

Ambient CO₂
Measuring range: 0 to 5000 ppm
Accuracy: ±(50 ppm + 3 % of mv) at 25 °C
Without external power supply:
±(100 ppm + 3 % of mv) at 25 °C
Resolution:1 ppm

Temperature
Measuring range: 0 to +50 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C

Light

Measuring range: 0 to 20000 Lux
Accuracy: DIN 5032-7 Class C-compliant.
±3.0 Lux or ±3.0 % of mv refers to reference DIN 5032-7 Class L)
Resolution: 0.1 Lux

UV
Measuring Range: 0 to +10000 mW/m²
Accuracy: ±5 mW/m² or ±5 % of mv (refers to external reference)
Resolution: 0.1 mW/m²

General technical data

Dimensions: 95 x 75 x 30.5 mm
Operating temperature: -30 to +50 °C
Protection class: IP54
Door contact:
Communication rate: Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
WLAN Connectivity: Signal transmission: wireless; frequency band: 2.4 GHz; supported wireless LAN standards: IEEE 802.11 b/g/n and IEEE 802.1X; Possible encryption methods: without encryption, WEP, WPA, WPA2, WPA2 Enterprise – The data loggers communicate via the standard protocol MQTT and are SNTP time synchronization-capable.
Measuring rate: Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
Connection external: External humidity/ temperature probes
Power supply: 4 x AA AlMn batteries; mains unit optional; for temperatures below -10 °C please use Energizer batteries 0515 0572
Memory: 10,000 measurement values / channel
Battery life: 12 months (typical value, depending on the wireless LAN infrastructure) at +25 °C, 15-minute measuring cycle and standard communication cycle at -30 °C, 15-minute measuring cycle and standard communication cycle with Energizer batteries 0515 0572
Storage temperature: -40 to +70 °C (without batteries)
Weight: 240 g

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