TM A77 - Thermometer MEDISANA - Free user manual and instructions
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| Product Type | Digital Thermometer |
| Model | TM A77 |
| Brand | Medisana |
| Measurement Range | 32.0°C to 42.0°C (89.6°F to 107.6°F) |
| Accuracy | ±0.1°C (±0.2°F) from 35.5°C to 42.0°C |
| Measurement Time | Approximately 8-10 seconds (oral), 15 seconds (rectal) |
| Measurement Modes | Oral, Rectal, Armpit |
| Display | LCD, large digits |
| Memory | Stores last reading |
| Auto Shut-Off | Yes, after approximately 10 minutes |
| Battery | LR41 or SR41, 1.5V (included) |
| Battery Life | Approximately 200 hours of continuous use |
| Dimensions | 12.0 cm × 2.0 cm × 1.5 cm (4.7 in × 0.8 in × 0.6 in) |
| Weight | 20 g (0.71 oz) including battery |
| Material | Medical-grade plastic, stainless steel probe |
| Water Resistance | Waterproof (IPX7) - can be immersed in water |
| Probe Cover | Disposable probe covers recommended (not included) |
| Cleaning | Clean with a soft cloth moistened with disinfectant (e.g., 70% isopropyl alcohol) |
| Safety Standards | CE, FDA cleared |
| Storage Conditions | Temperature: -20°C to 55°C; Humidity: 10% to 95% RH |
| Accessories | Battery, storage case, user manual |
| Repairability | Battery replaceable; other parts non-serviceable by user |
| Warranty | 2 years from date of purchase |
Frequently Asked Questions - TM A77 MEDISANA
How do I switch between Celsius and Fahrenheit?
While the thermometer is off, press and hold the power button for about 5 seconds until the display shows the current unit. Release and press again to toggle between °C and °F.
How long does it take to get a reading?
Measurement time is approximately 8-10 seconds for oral mode and 15 seconds for rectal mode. A beep will sound when the measurement is complete.
How do I clean the thermometer?
Clean the probe with a soft cloth moistened with 70% isopropyl alcohol or a mild disinfectant. Do not immerse the entire device unless it is marked as waterproof. Allow to dry before use.
Is the thermometer waterproof?
Yes, the TM A77 has an IPX7 waterproof rating, meaning it can be immersed in water up to 1 meter for 30 minutes. However, prolonged submersion is not recommended.
What type of battery does it use?
The thermometer uses one LR41 or SR41 button cell battery (1.5V). It is included with the device. Replace when the battery symbol appears on the display.
How accurate is the thermometer?
Accuracy is ±0.1°C (±0.2°F) in the range of 35.5°C to 42.0°C. For lower or higher temperatures, accuracy may vary slightly.
Can I use it for infants?
Yes, it is suitable for all ages. For infants, rectal measurement is recommended for the most accurate reading. Always clean the thermometer before and after use.
How do I store the thermometer?
Store the thermometer in a cool, dry place between -20°C and 55°C. Keep it in the provided storage case to protect it from dust and damage.
What does the 'Lo' or 'Hi' on the display mean?
'Lo' indicates the temperature is below 32.0°C (89.6°F); 'Hi' indicates above 42.0°C (107.6°F). If you see these, ensure proper placement and try again.
How do I replace the battery?
Locate the battery compartment on the back of the thermometer. Use a small screwdriver to open it, remove the old battery, and insert a new LR41 cell with the positive side facing up. Close the cover securely.
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