Introduction
This manual provides instructions for the EVTSCAN 2-inch Analog Indoor Thermometer Hygrometer. This device is designed to accurately measure both temperature and humidity in various indoor environments. It operates without batteries, offering a reliable and long-lasting solution for environmental monitoring.
Features
- 2-in-1 Functionality: Measures both temperature and humidity.
- Easy to Read: Clear dial with distinct graduations for quick and accurate readings.
- Compact and Portable: Small and lightweight design for easy placement and relocation.
- Battery-Free Operation: No batteries required, ensuring a longer lifespan and maintenance-free use.
- Wide Application: Suitable for greenhouses, warehouses, homes, offices, incubators, and wine cellars.
Product Overview
The EVTSCAN thermometer hygrometer features a clear analog display with two pointers for temperature and humidity. The device is housed in an aluminum casing with ventilation slots for accurate readings and includes a mounting hole on the back for wall installation.

Setup
- Unpacking: Carefully remove the thermometer hygrometer from its packaging.
- Placement: Choose a suitable indoor location away from direct sunlight, drafts, or heat sources that could affect readings.
- Mounting: Use the integrated mounting hole on the back of the device to hang it on a wall or other vertical surface. Ensure it is securely fastened.

Operation
The EVTSCAN thermometer hygrometer operates automatically once placed in its desired location. No manual adjustments or power sources are required.
- Reading Temperature: The larger pointer indicates the temperature. The outer scale displays temperature in both Celsius (C) and Fahrenheit (F).
- Reading Humidity: The smaller pointer indicates the relative humidity. The inner scale displays humidity as a percentage (%).
- Interpretation: Allow the device approximately 30 minutes to stabilize after placement to ensure accurate readings.
Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
- Handling: Avoid severe vibrations or impacts to prevent damage to the internal mechanisms.
- Disassembly: Do not attempt to disassemble the device yourself, as this may void any potential warranty and cause irreparable damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Inaccurate Readings | Improper placement (direct sunlight, drafts, heat sources) or recent relocation. | Relocate the device to a stable environment and allow 30 minutes for stabilization. |
| No Movement of Pointers | Extreme environmental conditions or internal damage. | Ensure the device is within its operating range. If the issue persists after checking placement, contact customer support. |
Specifications
| Specification | Detail |
|---|---|
| Type | Mini Indoor Thermometer Hygrometer |
| Material | Aluminum |
| Color | Silver |
| Temperature Scale | Celsius and Fahrenheit |
| Temperature Range | -20 °C to 50 °C (-15 °F to 100 °F) |
| Humidity Range | 0% RH to 100% RH |
| Diameter | 2 inches (approx. 57mm) |
| Thickness | 0.5 inches (approx. 12mm) |
| Mounting | Wall mount |
| Power Source | No batteries required |
| Model Number | EVTSCANch10arofgq |

Safety Information
- Keep the device out of reach of children and pets.
- Do not expose the device to extreme temperatures or humidity levels outside its specified operating range.
- Avoid placing the device near strong magnetic fields.
Warranty and Support
For warranty information or technical support, please refer to the retailer's return policy or contact EVTSCAN customer service through the official channels provided at the point of purchase. Please retain your proof of purchase for any warranty claims.