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General| Measurement Technology | Infrared |
|---|---|
| Measurement Site | Ear |
| Accuracy | ±0.2°C (±0.4°F) |
| Measurement Time | 1 second |
| Display | LCD |
| Age Range | All ages |
| Warranty | 2 years |
| Type | Ear |
| Measurement Range | 34°C to 42.2°C (93.2°F to 108°F) |
| Memory | 9 measurements |
| Power Source | 2 AA batteries |
| Auto Shut-off | Yes, after 60 seconds |
| Fever Indicator | Yes (colored display) |
| Hygienic | Disposable lens filters |
Provides support phone numbers, website, and manufacturer address.
Visual identification of parts for both IRT 4520 and IRT 4020 models.
Explains the measurement principle and advantages of ear temperature.
Covers operating temperature, humidity, storage, and usage limitations.
Lists normal temperature ranges by measurement site and age group.
Identifies parts and guides on preparing for measurement.
Details powering on, waiting for signal, inserting probe, and starting measurement.
Explains successful measurement signals, error messages like POS, and error resolution.
Guides on replacing filters and the device's auto-off feature.
Discusses ear consistency and external environmental factors.
Details how the IRT 4520 stores and retrieves up to 8 previous temperature readings.
Covers cleaning the probe tip, exterior, and proper storage of the device and filters.
Information on where to purchase additional lens filters.
Provides solutions for errors like no lens filter, POS, temperature range, and system errors.
How to manage low battery warnings and procedure for replacing batteries.
Information on factory calibration and how to seek further assistance.
Details on measurement ranges, accuracy, repeatability, and compliance standards.
Explains the warranty coverage, exclusions, and how to get service.
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