The Adtemp™ 421 is a fast, accurate, and hygienic tympanic infrared thermometer designed for home use. With a probe-cover-free design, instant 1-second readings, and a bright illuminated display, it delivers reliable core temperature measurement with maximum convenience.
Read morePress the power button to turn on the thermometer.
Gently pull the ear upward and insert the probe into the ear canal.
Press the measurement button; reading appears instantly within 1 second.
Wait for the beep indicating a completed measurement.
Read the result on the illuminated LCD display.
The device will shut off automatically after use.
Store the thermometer in its protective case.
Tympanic IR Thermometer
Lithium battery (CR2032)
Storage/travel case
Operating instructions
| Reference Code | SDDE17 |
|---|---|
| Category | Wound Dressing |
| PCS/UOM | PCS/Each |
| Origin | Made in America |
| Warranty | — |
| Brand | American Diagnostic Corporation ( ADC ) |
| Measurement Scale | °F / °C |
| Range (°F) | 32.0 – 212.0 |
| Range (°C) | 0.0 – 100.0 |
| Accuracy (°F) | ±0.2 |
| Accuracy (°C) | ±0.1 |
| Response Time | 1 second |
| Fever Alarm | Yes |
| Auto-Off | Yes |
| Memory | 12 Readings |
| Probe Sheaths Needed | No |
| Battery Type | CR2032 Lithium |
| Battery Life | 1000 Uses |
| Dimensions | 5” × 1.2” × 1.6” (127 × 31 × 40 mm) |
| Weight | 1.87 oz (53 g) |
| Display | Illuminated LCD |
| Operating Environment | 50°F – 104°F (10°C – 40°C) |
| Storage Environment | -13°F – 131°F (-25°C – 55°C) |
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