Temperature – NTC
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Measuring range: -40 to +150 °C
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Accuracy: ±1.3 °C (-20 to +85 °C)
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Resolution: 0.1 °C
Pressure Measurement
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Measuring range: -1 to +60 bar
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Accuracy: ±0.5
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Resolution: 0.01 bar
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Probe connection: 7 / 16 " - UNF
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Overload rel. (high pressure): +65 bar
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General Technical Data
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Dimensions: 183 x 90 x 30 (testo 115i); 125 x 32 x 31 (testo 549i)
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Operating temperature: -20 to +50 °C
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System requirements: requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth
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Battery type: 3 AAA micro batteries
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Battery life: 250 h (testo 115i); 150 h (testo 549i)
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Pressure media: CFC, HFC, HCFC, N, H₂O, CO₂
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Storage temperature: -20 to +60 °C