WS-03 - Thermo-hygrometer Ambient Weather - Free user manual and instructions
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| Product Type | Thermo-hygrometer |
| Brand | Ambient Weather |
| Model | WS-03 |
| Dimensions (approx.) | 2.5 x 2.5 x 0.6 inches |
| Weight (approx.) | 2.0 oz (56 g) |
| Power Supply | 2 x AAA batteries (not included) |
| Temperature Range | -4°F to 158°F (-20°C to 70°C) |
| Humidity Range | 20% to 99% RH |
| Temperature Accuracy | ±2°F (±1°C) |
| Humidity Accuracy | ±5% RH |
| Display Type | LCD |
| Functions | Current temperature and humidity, min/max memory, comfort indicator |
| Mounting Options | Table stand or wall mount (via built-in bracket) |
| Maintenance | Clean with soft dry cloth; avoid direct sunlight and moisture |
| Battery Life (approx.) | 12 months with standard alkaline batteries |
| Spare Parts / Repairability | Batteries user-replaceable; no user-serviceable parts inside |
| Certifications | CE, FCC compliant |
Frequently Asked Questions - WS-03 Ambient Weather
How do I insert the batteries?
Open the battery compartment on the back, insert two AAA batteries with correct polarity, and close the cover.
Why does the display show no reading?
Check that batteries are installed correctly and have sufficient charge. Replace them if necessary.
How do I reset the min/max values?
Press and hold the MIN/MAX button for 3 seconds to clear recorded values.
What is the operating temperature range?
The device works from -4°F to 158°F (-20°C to 70°C).
Can I place the unit outdoors?
No, this unit is designed for indoor use only. Moisture and extreme temperatures may damage it.
How accurate is the humidity reading?
Accuracy is ±5% RH for humidity between 20% and 99%.
Does it have a backlight?
No, the WS-03 does not have a backlight. It relies on ambient light for readability.
How do I mount it on a wall?
Use the built-in bracket at the back to hang the unit on a screw or nail. Ensure the wall is clean and dry.
Why does the humidity read incorrectly?
Allow 30 minutes for the sensor to stabilize if moved between environments. Avoid placing near vents or direct sunlight.
How often should I replace the batteries?
Under normal use, batteries last about 12 months. Replace when the display dims or battery icon appears.
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