Humidity Meters
Temperature & Humidity Data Logger
Monitor RH and temperature with a portable wireless or USB data logger. Measure the moisture content in the atmosphere and inside a controlled chamber. Data can be accessed via a WiFi network to a single host pc, accessed through a user-friendly app from any internet-enabled device or download data via a USB port.




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Product No. | Temp. Accuracy | RH Accuracy | Temp. Measurement Range | RH Measurement Range | Connection | Price |
A15-MT-DL | ±0.3°C / ±0.6°F | ±2% RH Typical | -20 to +60°C / -4 to + 140°F | 0 to 100% RH | WiFi | $230 |
A15-MT-DL+ | ±0.2°C / ±0.4°F | ±1.8% RH Typical | -20 to +60°C / -4 to + 140°F | 0 to 100% RH | WiFi | $275 |
A15-MT-DLU | ± 0.35°C (0.59°F) typical (5 to 60°C) | 2.05%RH typical (20 to 80%RH) | -30°C to 80°C (-22°F to 176°F) | 0 to 100%RH | USB | $245 |
A15-MT-DLU+ | ± 0.25°C (0.41°F) typical (5 to 60°C) | ± 1.85%RH typical (10 to 90%RH) | -30°C to 80°C (-22°F to 176°F) | 0 to 100%RH | USB | $295 |
A15-MT-HT | +/-1.8F/1°C (14 to 122°F) | ± 5% (25 to 80%) | 14 to 140°F (-10 to 60°C) | 10 to 99% | N/A | $75 |
A15-MT-HTD | ±1.8°F/1°C | ±4%RH | 14 to 140°F (-10 to 60°C) | 10 to 99% | N/A | $85 |