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Smart Indoor Thermo-Hygrometer with LCD Display & App Control | X-Sense STH0A, STH0A31 - STH0A31
The X-Sense STH0A41 Thermo-Hygrometer kit combines precision, smart app control, and plant-friendly features. With a 2.8-inch LCD screen, Swiss-made sensor, and real-time alerts, it’s perfect for indoor monitoring and plant environment management.
$64.99
$99.99
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5-Year Warranty
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- Swiss-Made Sensor for Precision Monitoring
- Built with a Swiss-made sensor, the X-Sense STH0A delivers highly accurate readings: Temperature Range: -20°C to 60°C with ±0.2°C accuracy. Humidity Range: 0-99%RH with ±2%RH accuracy. This ensures precise tracking for sensitive environments like greenhouses, wine cellars, or baby rooms.
- Comprehensive Temperature & Humidity Monitoring with the Smart App
- Easily track your home's temperature, humidity, and dew point with real-time updates and 1 year of historical data. Perfect for maintaining indoor comfort and supporting home gardening or plant care, the app lets you set custom alerts for temperature and humidity changes, ensuring a healthy environment. Receive instant notifications, export data for free, and share monitoring access with families and friends.
- Clear 2.8-Inch LCD Display with Comfort Level
- Effortlessly track temperature, humidity, and comfort levels with the bright digital screen, maintain ideal conditions for your home, plants, or indoor spaces. Perfect for managing moisture levels, and indoor temperature at a glance.
- Long-Range Connectivity & Unified App Control
- Supports up to 50 devices (10 thermo-hygrometers) with a 1700ft (500m) range. Manage all your devices, including X-Sense smoke alarms and CO alarms, conveniently in one app.
Specifications of STH0A Thermo-Hygrometer
| Screen Size | 2.7 inches | Power Supply | 2 × AA batteries (Pre-installed, Replaceable) |
| Voltage | 1.5 V DC | Battery Capacity | 1,800 mAh |
| Product Life | 5 years | Battery Life | 1 year |
| Material | ABS | Operating Temperature | -4–140°F (-20–60°C) |
| Temperature Accuracy | -4–32°F (-20–0°C): ±0.36–0.72°F (±0.2–0.4°C); 32–140°F (0–60°C): ±0.36°F (±0.2°C); Max Accuracy: ±0.72°F (±0.4°C) |
Humidity Accuracy | 10–90% RH: ±2% RH; Max Accuracy: ±2.53% RH 0–10%/90–99% RH: ±3% RH; Max Accuracy: ±3.5–5% RH |
| Operating Humidity | 0–99% RH | Operating Frequency | US: 902–928 MHz; EU: 868.0–868.6 MHz |
| Max RF Power | EU: 25 mW | Alarm Volume | No sound when the temperature or humidity exceeds or falls below the set level (the base station will sound and an app push notification will be sent) |
Specifications of SBS50 Base Station
| Model | SBS50 | Power Supply | Input: 100–240 V AC 50/60 Hz; Output: 5.0 V — 1.0 A |
| Operating Temperature | 40–100°F (4.4–37.8°C) | Operating Relative Humidity | 0–85% RH (non-condensing) |
| Alarm Volume | 100 dB | App | X-Sense Home Security (both Android and iOS supported) |
| Operating Frequency | US: 902–928 MHz; EU: 868–868.6 MHz (25 mW); 869.25–869.3 MHz (10 mW); 2400–2483.5 MHz (100 mW) | Maximum Number of Allowed Units | One base station can add up to 50 devices in total. Among them, a maximum of 10 thermo-hygrometers can be added, meaning the total number of STH51 and STH0A devices cannot exceed 10. |
| Wi-Fi Transmission Range | 170 ft (50 m) | Wireless Protocol | IEEE 802.11b/g/n |
FAQs for Smoke Detectors
Can STH0A work without the SBS50 Base Station?
- Yes, STH0A can monitor indoor temperature and humidity independently and display the data on its screen. However, without the base station, you won't be able to use the app features for remote monitoring or data logging.
Does STH0A work during power or internet outages?
- Absolutely! STH0A has a built-in battery, so it can continue monitoring and displaying temperature and humidity during power or internet outages, as long as the battery has power. During internet outages: STH0A can store up to 15 days of data, provided the base station remains powered. Data will sync to the app as soon as the connection is restored. During base station power outages: The thermo-hygrometer can store up to 3 days of data, which will upload to the base station once power is restored. This ensures uninterrupted monitoring and reliable data storage, even in challenging conditions.
What are the key differences between the STH0A and the STH54 thermo-hygrometers?
- The main difference lies in the display: The STH0A features a 2.8-inch LCD screen that shows real-time temperature, humidity, and comfort levels directly on the device.So you can use the STH0A directly without the base station if you don't need the smart APP functions. The STH54 does not have a display and relies entirely on the app for monitoring. The STH0A supports dew point and VPD (Vapor Pressure Deficit) tracking via the app, while the STH54 does not include this plant-friendly features.
Can the X-Sense STH0A Thermo-Hygrometer be used in a refrigerator or freezer?
- Not recommended. Prolonged use in refrigerators or freezers is discouraged because low temperatures can shorten battery life and affect device connectivity. The recommended working temperature range is 14°F to 140°F (-10°C to 60°C) for optimal performance.
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