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Temperature-sensitive goods, often of a high value, are stored in refrigerators in pharmacies, hospitals, laboratories, doctor’s surgeries, and supermarkets. If the goods are rendered unusable by a refrigerator breakdown, this can lead to major losses and considerable costs.
The testo Saveris 2 WiFi data logger system offers you the ideal solution for temperature monitoring in refrigerators.
If the refrigerator breaks down, things can quickly become awkward: insufficient cooling can cause quality defects and loss of value for your goods. The testo Saveris 2 WiFi data logger system enables you to prevent any losses of this kind. It offers automatic temperature monitoring systems in refrigerators and a sophisticated alarm system for emergencies.
The testo Saveris 2 WiFi data logger system enables temperature monitoring to run automatically: you do not need to note down any min./max. values, read out data loggers or sort the measurement data then save them. All the measurement data are transmitted wirelessly to the Testo Cloud and automatically archived there. You can access them at any time with your PC, smartphone or tablet, in order to check the values or to provide proof to auditors. Thanks to access to an API interface, you can export the measurement data to your system.
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.
This testo Saveris 2 set gives you the advantage of being designed specifically for use in refrigerators. In addition to the WiFi data logger (and access to the Testo Cloud), you get two temperature probes with a special ribbon cable which is really easy to push through the refrigerator sealing. (This means the probe remains inside the refrigerator and the WiFi data logger outside.)
The set also includes two flasks for filling with a suitable temperature buffer. As soon as the temperature probe is immersed in the filled flask, the temperature buffer insulates the temperature probe and slows its response time. This makes sense in order to avoid false alarms when monitoring temperature in refrigerators. Short-term temperature peaks (for example due to doors being opened) are of no consequence. The temperature measured corresponds to the actual temperature of the stored goods. Propylene glycol is for instance suitable for temperature monitoring in refrigerators; ethylene glycol is recommended for applications in freezers below -20 °C.
|Temperature - NTC|
|Measuring Range||-50 to +150 °C|
|General technical data|
|Dimensions||95 x 75 x 30.5 mm|
|Operating temperature||-30 to +50 °C|
|Measuring rate||Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h|
|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.|
|Standards||DIN EN 12830|
|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)|