SLTM20X2 - Thermometer SereneLife - Free user manual and instructions
Find the device manual for free SLTM20X2 SereneLife in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | Non-Contact Infrared Thermometer |
| Model | SLTM20X2 |
| Brand | SereneLife |
| Measurement Range | 32.0°C – 42.5°C (89.6°F – 108.5°F) |
| Accuracy | ±0.2°C (±0.4°F) |
| Response Time | ≤1 second |
| Display Type | Backlit LCD |
| Memory Function | Stores last 25 readings |
| Auto Shut-Off | Yes, after approx. 30 seconds of inactivity |
| Power Source | 2 x AAA batteries (not included) |
| Dimensions | 5.8 x 3.1 x 1.6 inches (147 x 79 x 41 mm) |
| Weight | 2.9 oz (82 g) including batteries |
| Cleaning & Maintenance | Wipe lens with soft dry cloth; clean body with alcohol-wetted cotton |
| Safety Features | Laser pointer off when measuring; low battery indicator; fever alert |
| Spare Parts & Repairability | Battery cover replaceable; no user-serviceable parts inside |
| Certifications | CE, FDA |
| Warranty | 1 year limited |
Frequently Asked Questions - SLTM20X2 SereneLife
How do I switch between Celsius and Fahrenheit?
Press and hold the MODE button for 3 seconds until the display shows °C or °F. Then press MODE to toggle.
What is the correct measurement distance?
Hold the thermometer 1-2 inches from the center of the forehead. Do not contact the skin.
How do I clean the thermometer lens?
Use a soft, dry cloth to gently wipe the lens. For stubborn dirt, lightly dampen the cloth with 70% isopropyl alcohol. Never use water or harsh chemicals.
Why does the thermometer show Err or Lo?
Err means the ambient temperature is outside the operating range (60-104°F). Lo indicates the battery voltage is low – replace both AAA batteries.
Can I measure body temperature on the wrist or ear?
The SLTM20X2 is designed for forehead measurement only. For ear or wrist, use a dedicated thermometer.
How accurate is this thermometer?
Accuracy is ±0.2°C (±0.4°F) under normal conditions. Ensure the lens is clean and the person has been in a stable environment for 5 minutes.
Does it have a fever alarm?
Yes. When the reading is above 99.5°F (37.5°C), the device beeps rapidly and the display flashes red.
How do I change the batteries?
Slide off the battery cover at the bottom. Insert 2 new AAA batteries with correct polarity. Replace the cover.
What do the different colors on the display mean?
Green: normal temperature (< 99.5°F). Orange: slight fever (99.5-100.9°F). Red: high fever (≥101°F).
How long is the warranty?
SereneLife offers a 1-year limited warranty against defects in materials and workmanship. Contact customer support for service.
User questions about SLTM20X2 SereneLife
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Thermometer in PDF format for free! Find your manual SLTM20X2 - SereneLife and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. SLTM20X2 by SereneLife.
USER MANUAL SLTM20X2 SereneLife
Manual assistant
Powered by Anthropic
Waiting for your message
Product information
Brand : SereneLife
Model : SLTM20X2
Category : Thermometer