Zeal Digital Clock & Hygrometer – Thermometer
The Zeal Digital Clock & Hygrometer – Thermometer is a multifunctional environmental monitoring instrument designed to measure indoor temperature, outdoor temperature, and relative humidity while providing a convenient digital clock display. Featuring a large LCD display, this instrument allows users to monitor environmental conditions and view essential readings in one place. It is suitable for laboratories, offices, homes, storage areas, classrooms, and other indoor environments where regular temperature and humidity monitoring is required.
Designed for convenient everyday use, the Zeal Digital Hygrometer combines temperature measurement and humidity monitoring in a compact ABS housing. Its clear digital display helps users read environmental measurements easily, while its maximum and minimum memory functions allow them to review recorded temperature and humidity variations over time. Zeal Digital Clock & Hygrometer
Key Features of Zeal Digital Hygrometer
1. Indoor and Outdoor Temperature Measurement
The instrument supports indoor temperature measurement from −10°C to +50°C and outdoor temperature measurement from −50°C to +70°C, according to the supplied product specifications. This dual-temperature monitoring capability helps users compare indoor conditions with the outdoor temperature measured by the external sensor.
Monitoring indoor and outdoor temperatures can be useful in laboratories, offices, storage rooms, and other environments where temperature fluctuations need to be observed.
2. Relative Humidity Measurement
The built-in hygrometer measures relative humidity, which indicates the amount of moisture in the air relative to the maximum moisture the air can hold at a given temperature. The supplied specifications list a humidity measurement range of 20% to 99% RH for this model.
Humidity monitoring can help users identify changes in indoor moisture levels and assess whether environmental conditions require attention. This function is useful for routine monitoring in workplaces, storage areas, and general laboratory environments.
3. Large LCD Display
The Zeal Digital Clock & Hygrometer features a large LCD display designed to make readings easy to view. Users can check temperature and humidity measurements without needing separate instruments for each parameter.
The clear digital presentation makes the device convenient for everyday environmental monitoring in both professional and domestic settings. Zeal Digital Clock & Hygrometer
4. Maximum and Minimum Memory
The instrument can record maximum and minimum temperature and humidity readings, according to the supplied product information. This feature helps users review environmental variations that occur between observation times.
Maximum and minimum readings are useful for identifying temperature changes and humidity fluctuations that may not be apparent from a single measurement. Users should follow the operating instructions to review or reset stored values.
5. Celsius and Fahrenheit Selection
The thermometer supports switching between degrees Celsius (°C) and degrees Fahrenheit (°F). This flexibility allows users to select their preferred temperature unit for routine monitoring, recordkeeping, and communication. Zeal Digital Clock & Hygrometer
6. Compact and Practical Design
The instrument measures approximately 109 × 98 × 21 mm and features an ABS housing. Its compact design makes it suitable for placement in a variety of indoor environments without requiring a large amount of space. Zeal Digital Clock & Hygrometer
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Zeal Digital Clock & Hygrometer – Thermometer |
| Temperature Measurement (Indoor) | −10°C to +50°C (14°F to 122°F) |
| Temperature Measurement (Outdoor) | −50°C to +70°C (−58°F to 158°F) |
| Humidity Measurement Range | 20% to 99% RH |
| Temperature Accuracy | ±1°C (approximately ±2°F) |
| Humidity Accuracy | ±5% RH |
| Temperature Resolution | 0.1°C / 0.1°F |
| Humidity Resolution | 1% RH |
| Display | Large LCD |
| Temperature Unit | °C / °F selectable |
| Memory Function | Maximum and minimum temperature and humidity |
| Housing Material | ABS |
| Dimensions | 109 × 98 × 21 mm |
| Power Supply | One 1.5 V AAA battery |
| Additional Feature | Freeze warning indicator, as specified by the supplied product information |

Applications
The Zeal Digital Clock & Hygrometer – Thermometer is suitable for:
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Laboratories: Routine monitoring of room temperature and relative humidity.
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Storage areas: Observing ambient conditions around stored materials.
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Offices and classrooms: Checking indoor temperature and humidity.
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Warehouses: Monitoring environmental fluctuations in general storage environments.
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Research facilities: Supporting routine environmental observations.
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Homes and workplaces: Convenient monitoring of indoor conditions.
For pharmaceutical storage, sensitive chemicals, or regulated laboratory processes, this device should only be used where its stated accuracy and monitoring capabilities meet the applicable requirements.
Frequently Asked Questions (FAQ)
1. What does the Zeal Digital Clock & Hygrometer measure?
It measures temperature and relative humidity and includes a digital clock display. This model’s supplied specifications also describe indoor and outdoor temperature monitoring.
2. What is the indoor temperature range?
The supplied specifications list an indoor temperature range of −10°C to +50°C. Zeal Digital Clock & Hygrometer
3. What is the outdoor temperature range?
The supplied specifications list an outdoor temperature range of −50°C to +70°C. Zeal Digital Clock & Hygrometer
4. Can the temperature be displayed in Fahrenheit?
Yes. The instrument supports switching between Celsius and Fahrenheit.
5. Does it record maximum and minimum readings?
Yes. According to the supplied product information, it records maximum and minimum temperature and humidity readings. Zeal Digital Clock & Hygrometer
6. What is the humidity measurement range?
The detailed specifications provided list a range of 20% to 99% RH. Confirm the exact range against the product label or instruction manual.
7. What battery does it use?
The detailed description specifies one 1.5 V AAA battery. Check the supplied device or manual before installation. Zeal Digital Clock & Hygrometer
8. Can it be used in a laboratory?
Yes, for general ambient temperature and humidity monitoring. Applications requiring certified accuracy, calibration records, or continuous data logging may need a more specialized instrument. Zeal Digital Clock & Hygrometer








