Major Tech Mini Bluetooth Hygrometer (MT91)
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The Story
The Major Tech MT91 Mini Bluetooth Hygrometer is a compact, ergonomic device that measures relative humidity, temperature, and dew point with high accuracy. Its large backlit dual LCD display ensures easy reading in any environment, while Bluetooth connectivity allows seamless data transfer to your smartphone via the Meterbox Pro app, available for both Android and iOS. Ideal for monitoring indoor climate conditions, it features Min/Max recording, data hold, and auto power-off for convenience.
add_circle The Upside
- check Wireless data transfer to smartphone for easy tracking
- check Accurate readings with wide measurement range
- check User-friendly with backlit display and ergonomic design
remove_circle The Downside
- close Requires 9V battery (6F22) which may not be included
- close Bluetooth range may be limited
- close No built-in memory for offline logging
Specifications & features
Key features
- check_circle Measures relative humidity (0-100%RH), temperature (-20° to 60°C), and dew point
- check_circle Bluetooth BLE 4.0 connectivity with Meterbox Pro app for data sharing
- check_circle Large backlit dual-line LCD display with data hold and Min/Max recording
- check_circle High accuracy: ±0.5°C temperature, ±3.5%RH humidity
- check_circle Auto power-off and compact design (204 x 54 x 36mm)
Specifications
bluetooth
BLE 4.0
Dew Point Range
-20° to 60°C
Dimensions
204 x 54 x 36 mm
Display
Dual-line 4-digit LCD with backlight
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