1. Product Overview
The KESHIDE Model 602 is a compact digital hygrometer and thermometer designed to accurately measure and display indoor temperature and humidity levels. It features a clear LCD display with an air comfort indicator and records of high and low readings, making it suitable for various environments.
Image 1: Front view of the KESHIDE Model 602 Digital Hygrometer Thermometer.
Key Features:
- Fast Response: Built-in sensitive sensor provides updated and accurate readings every 10 seconds through 25 sensitive vents.
- Wide Measuring Range: Temperature from -20°C to 70°C (-4°F to +158°F), Humidity from 10% to 99% RH.
- Air Comfort Indicator: Displays DRY, COMFORT, or WET icons to quickly indicate air conditions.
- High & Low Records: Tracks and displays the highest and lowest temperature and humidity recorded.
- Versatile Placement: Features a tabletop stand and a hanging hole for flexible positioning.
- Unit Selector: Easily switch between Celsius (°C) and Fahrenheit (°F).
2. Product Components and Display
Image 2: Diagram illustrating the components and display elements of the device.
Display Elements:
- Temperature: Current temperature reading in °C or °F.
- Humidity: Current relative humidity reading in %.
- Comfort Indicator: Icons (DRY, COMFORT, WET) indicating air quality.
- High/Low Records: Displays the maximum and minimum temperature and humidity recorded.
Buttons:
- 24H: View 24-hour high/low records.
- CLR: Clear the current high/low records.
- °C/°F: Switch between Celsius and Fahrenheit temperature units.
- ALL: View all-time high/low records.
Physical Components:
- Inductor Ports: Vents for air circulation to the internal sensors.
- Battery Compartment: Located on the back for AAA batteries.
- Stand: Fold-out stand for tabletop placement.
- Hanging Hole: For wall mounting.
3. Setup
3.1 Battery Installation
- Locate the battery compartment on the back of the device.
- Open the battery compartment cover.
- Insert two (2) AAA batteries (not provided) according to the polarity indicators (+/-) inside the compartment.
- Close the battery compartment cover securely.
The device will power on automatically once batteries are installed.
3.2 Placement
Choose a suitable location for the device. Ensure it is not exposed to direct sunlight, drafts, or extreme temperatures, which could affect reading accuracy.
- Tabletop: Extend the integrated stand on the back of the device to place it on a flat surface.
- Wall Mount: Use the hanging hole on the back to mount the device on a wall.
Image 3: Dimensions of the KESHIDE Model 602.
4. Operation
4.1 Reading Temperature and Humidity
Upon battery installation, the device will immediately begin displaying the current temperature and humidity. Readings are updated approximately every 10 seconds.
4.2 Switching Temperature Units (°C/°F)
Press the °C/°F button on the side of the device to toggle between Celsius and Fahrenheit temperature displays.
4.3 Viewing High/Low Records
- Press the 24H button to view the highest and lowest temperature and humidity recorded within the last 24 hours.
- Press the ALL button to view the highest and lowest temperature and humidity recorded since the last reset or battery change.
4.4 Clearing Records
To clear the recorded high and low values, press the CLR button. This will reset the high/low records, and the device will begin recording new maximum and minimum values from that point.
4.5 Air Comfort Indicator
The display includes an icon that visually represents the air comfort level based on humidity:
- DRY: Humidity display < 30%
- COMFORT: Humidity display 30% - 60%
- WET: Humidity display > 60%
Image 4: Explanation of the Air Comfort Level Indicator.
5. Maintenance
5.1 Cleaning
To clean the device, gently wipe the display and casing with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the device in water.
5.2 Battery Replacement
When the display becomes dim or the device stops functioning, it is time to replace the batteries. Follow the battery installation steps in Section 3.1.
6. Troubleshooting
- No Display or Dim Display:
Ensure batteries are installed correctly with the correct polarity. Replace with fresh AAA batteries if necessary. - Inaccurate Readings:
Allow the device to stabilize for at least 30 minutes after initial setup or relocation. Ensure the device is not placed near heat sources, air conditioning vents, or in direct sunlight, as these can affect accuracy. - Slow Response to Changes:
While the device updates every 10 seconds, significant environmental changes may take a few minutes to fully reflect on the display. Ensure the inductor ports are not obstructed.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | 602 |
| Temperature Measuring Range | -20°C to 70°C (-4°F to +158°F) |
| Temperature Accuracy | ±1°F (0.56°C) |
| Humidity Measuring Range | 10% to 99% RH |
| Humidity Accuracy | ±5% RH |
| Sampling Period | 10 seconds |
| Power Source | 2 x AAA batteries (not provided) |
| Dimensions | 11.81 x 10.59 x 3.3 cm (approx. 4.65 x 4.17 x 1.3 inches) |
| Weight | 150 g (approx. 5.3 oz) |
8. Warranty and Support
Specific warranty information for the KESHIDE Model 602 Digital Hygrometer Thermometer is not provided in this manual. For details regarding warranty coverage, returns, or technical support, please contact your retailer or the manufacturer directly.
9. Application Scenarios
This device is suitable for monitoring environmental conditions in a variety of settings:
Image 5: Examples of the device in a baby room, kitchen, living room, and conference room.
Image 6: Further examples of the device in a nursery, bookshelf, classroom, gardening, car, barrels, shower, and aquarium.
- Homes and Offices
- Nurseries and Bedrooms
- Greenhouses and Gardens
- Reptile Terrariums and Humidors
- Laboratories and Instrument Workshops
- Libraries and Schools