| Testo | Humidity, Temperature | 175-H1 | 2 | Capacitive, NTC | USB | Temperature & Humidity | +50 (TD) °C | ±0.4 °C | - | - | - | - | 0.1°C | Battery | 100%RH | IP54 | -20°C | +55°C | ±0.03 %RH | - | LCD | - | 0.1%RH |
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| Testo | Humidity, Temperature | 174H Kit | 2 | Capacitive, NTC | USB | Temperature & Humidity | +70 °C | ±0.5 °C | - | - | - | - | 0.1°C | Battery | 100%RH | IP20 | -20°C | +70°C | ±0.03 %RH | - | LCD | - | 0.1%RH |
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| Testo | Temperature | 174T | 1 | NTC | USB | Temperature | - | - | - | - | - | - | 0.1°C | Battery | - | IP65 | -30°C | +70°C | - | - | Digital | - | - |
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| Testo | Temperature | 184-G1 | 5 | Accelerometer | NFC, USB | Temperature | +70 °C | ±1 % | - | - | - | - | 0.1% | Battery | 100%RH | IP30 | -20°C | +70°C | ±0.03 %RH | - | LCD | - | 0.1%RH |
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| Testo | Temperature | 184-H1 | 2 | Humidity | USB | Temperature | +70 °C | ±1.8 % | - | - | - | - | 0.1% | Battery | - | IP30 | -20°C | +70°C | - | - | LCD | - | - |
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| Testo | Temperature | 184-T1 | 1 | Temperature | USB | Temperature | +70 °C | ±0.8 °K | - | - | - | - | 0.1°C | Battery | - | IP67 | -20°C | +70°C | - | - | - | - | - |
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| Testo | Temperature | 184-T4 | 1 | Temperature | NFC, USB | Temperature | - | ±0.5 °K | - | - | - | - | 0.1°C | Battery | - | IP67 | -80°C | +70°C | - | - | LCD | - | - |
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| Testo | Temperature | 184-T3 | 1 | NTC | USB | Temperature | +70 °C | ±0.5 °C | - | - | - | - | 0.1°C | Battery | - | IP67 | -35°C | +70°C | - | - | LCD | - | - |
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| Testo | Temperature | 174T | 1 | NTC | USB | Temperature | +70 °C | ±0.5 °C | - | - | - | - | 0.1°C | Battery | - | IP65 | -30°C | +70°C | - | - | LCD | - | - |
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| Testo | Temperature | 184-T2 | 1 | Temperature | NFC, USB | Temperature | +70 °C | ±0.5 °C | - | - | - | - | 0.1°C | Battery | - | IP67 | -20°C | +70°C | - | - | LCD | - | - |