This document is an instruction manual for the TH8 series infrared one-second ear thermometer. It introduces the appearance, advantages, precautions, fever warning, operation instructions, memory function, cleaning and storage methods of the ear thermometer. The TH8 series ear thermometer has an automatic temperature difference correction function, which provides accurate temperature measurement.
This manual introduces the Radiant TH8 series infrared ear thermometer, describing its automatic temperature‑calibration function, built‑in memory, and safety features. It explains proper handling of the probe, measurement procedure, and how to switch between Celsius and Fahrenheit displays.
The document also lists technical specifications, battery information, and provides a simple troubleshooting guide for common error conditions such as out‑of‑range temperatures or battery issues. This manual is written in Chinese.
| Measurement temperature range | 34.0 °C – 42.2 °C (93.2 °F – 108.0 °F) |
|---|---|
| Environmental temperature range | 10 °C – 40 °C (50 °F – 104 °F) |
| Storage temperature range | -20 °C – 50 °C (-49 °F – 122 °F) |
| Measurement time | ≈ 1 second |
| Measurement interval | < 1 second |
| Sensor type | Thermopile |
| Battery type | CR2032 |
| Dimensions (L×W×H) | 14.0 mm × 3.8 mm × 3.0 mm |
The device measures temperature in about one second.
Press the measurement button, then press and hold the ON/MEN button while keeping the measurement button pressed; the LCD will change to the selected unit.
If the temperature exceeds 37.5 °C (99.5 °F), the thermometer emits a warning sound to alert the user.
Replace the battery immediately.