Non-Contact Thermometer

Non-Contact Thermometer
Model: 429

A Special Thank You…

Thank you for choosing an ADC® AdtempTM Non-Contact thermometer. We’re proud of the care and quality that goes into the manufacture of each and every item that bears our name. Only the finest materials are used to assure you of a timeless instrument designed for optimum performance.
You’ll quickly appreciate the results, for you now own one of the finest Non-Contact thermometers that money can buy.

With proper care and maintenance, your ADC® AdtempTM thermometer is sure to provide you with many years of dependable service. Please read the following instructions and general information which will prove helpful
in allowing you to enjoy your ADC® product.

Read this booklet thoroughly before attempting to use your new ADC® AdtempTM thermometer.

Thank you for your patronage. It is indeed our pleasure to serve you.

American Diagnostic Corp.


Documentation Symbols

Documentation Symbols

Shipping, Storing, and Environment Symbols

Shipping, Storing, and Environment Symbols

Miscellaneous Symbols

Miscellaneous Symbols

Miscellaneous Symbols

Miscellaneous Symbols

Battery Level Indications

Battery Level Indications

2. Introduction / Intended Use

Intended use
The Adtemp™ Non Contact thermometer is a clinical-grade device intended for the intermittent measurement of human body temperature in patients of all ages. It can also be used to measure the temperature of objects.

3. General Warnings and Cautions

Warning and caution statements may appear on the thermometer, its packaging, shipping container, or in this instruction manual.

This thermometer is safe for patients and clinicians when used in accordance with the instructions and with the warning and caution statements included in this manual. Before using the thermometer, users must familiarize themselves with the general safety information included below. Specific warnings and cautions are also found throughout this manual.

  • Failure to understand and observe any warning statement in this manual could lead to patient illness, injury, or death.
  • Failure to understand and observe any caution statement in this manual could lead to damage to the thermometer or other property, damage to the surrounding environment, or loss of patient data.
  • High, prolonged fever requires immediate medical attention, especially for young children.

Warning: Failure to review and adhere to the recommendations presented in this manual could result in personal injury or could affect the accuracy of the thermometer itself.

Warning: If the accuracy of any measurement is in question or the use of this thermometer is not appropriate due to patient condition, check the patient’s temperature with an alternate method and then check to verify the device is functioning properly by comparing it against a calibrated reference device.

Warning: Keep this thermometer and its batteries out of the reach of children. Do not allow children to take their temperature with this thermometer unattended.

Warning: Dispose of this thermometer and its batteries in accordance with local or national regulations for electronic waste.

Warning: This product may contain a chemical known to the state of California to cause cancer, birth defects, or other reproductive harm.

Caution: When replacing the batteries, always replace both batteries and ensure that they are of the type and specification indicated in this manual. Observe correct polarity when inserting new batteries.

Caution: Do not use rechargeable batteries. The use of rechargeable batteries may compromise the performance of this device.

Caution: Remove the batteries whenever the device is not expected to be used for an extended period of time.

Caution: If battery leakage occurs, fully clean the battery compartment using personal protective equipment prior to re-use.

Caution: Observe proper measurement distance, starting between 4 and 6 cm from the patient’s forehead. This is essential to the accuracy of the measurement.

Caution: Do not modify or disassemble this device in any way without prior authorization.

Caution: To avoid accuracy concerns, make sure that the thermometer’s lens is clean and intact prior to use and after measurement is complete.

Caution: Avoid touching the lens directly with your fingers.

Caution: Do not expose the thermometer to extreme temperatures or humidity levels. Do not expose to direct sunlight.

Caution: The thermometer is not waterproof; do not immerse in water or any other liquid.

Caution: Avoid dropping the device or exposing it to heavy shock or vibration.

Caution: Avoid dropping the device or exposing it to heavy shock or vibration.

Caution: Stop using this device if it operates erratically or if the display malfunctions.

Caution: Contact ADC or your local ADC representative for any assistance with this device. Refer to the warranty section of this manual for contact details.

Caution: Allow 30 minutes for both patient and thermometer to become accustomed to existing environmental conditions prior to measurement.

Caution: Wherever possible, measurements should be taken by pointing the infrared sensor at the same area of the forehead. Temperatures measured at different measurement sites on the temples, on opposite sides of the head, or on different body parts can vary considerably.

Caution: Avoid taking temperature measurements for at least 30 minutes after physical activity, bathing, swimming, consuming food or beverages, or spending time outdoors.

Caution: Wait at least 1 minute between temperature measurements. Repeating measurements more often may compromise the accuracy of the readings.

Caution: Avoid pointing the infrared sensor at any heat source other than a patient.

Caution: Avoid exposing the device to external heat sources.

Caution: Holding the thermometer for an excessive period of time or exposing the device to external heat sources may result in distorted temperature readings.

4. Using the Thermometer

4a. Controls and Features

Controls and Features

4b. LED Screen/Display

LED Screen/Display

4c.Selecting a Scan Mode

With the power on, press the Human/Object button to switch between scan modes. There are 4 modes available, including Human, Object, Human/Night, and Object/Night mode (in order). The thermometer’s volume will be muted in
both Human/Night mode as well as Object/Night mode, and the Moon symbol will appear on the LCD in both Night modes.

Selecting a Scan Mode

Note: Each press of the Human/Object button is accompanied by a beep sound to confirm that the setting is activated. (excluding Night modes)

4d.Changing the Temperature Scale

The Adtemp™ 429 Non Contact Thermometer can display readings in either Fahrenheit (F) or Celsius (C). The default temperature scale is Fahrenheit. To change the scale to Celsius, power the device on, then press and hold the Human/Object and Memory buttons simultaneously for 1 second. Pressing these buttons again will change the scale back to Fahrenheit. Note: Removing the batteries will reset the scale to the default setting.

Temperature Scale

5.Taking a Measurement

  1. Press the Measure button to power on the thermometer. The unit will run a self-test and the LCD will briefly display all of its symbols during this time.
    When the device is ready, ‘00’ will appear on the screen, and the thermometer will beep twice.
  2. Select the desired mode by pressing and releasing the Human/Object button. Note: When taking a patient’s temperature, ensure that the thermometer is in Human mode; the Human symbol will appear on the display. Refer to Section 4c for instructions on selecting a different scan mode.
  3. Position the thermometer about 2 inches (5 cm) from the center of the patient’s forehead with the sensor aimed between the eyebrows.
Taking a Measurement

Note: If the patient’s skin is covered with hair, sweat, or dirt, clean the area and wait 10 minutes before taking a measurement.

Note: Ensure that the thermometer is held firmly during measurement and that the patient does not move until the measurement is complete. Patient movement can impact the measurement.

4. Press and release the Measure button making sure not to obstruct your view of the LED display or the buttons area.

5. Slowly move the device towards the patient’s forehead. The unit will beep continuously and a series of dash icons forming two circles will rotate on the display. Once the correct distance is reached (about 1 inch or 3 cm), an amber light will flash just below the Mode and Memory buttons. The unit will emit a short beep (except in night mode), and the backlit display will illuminate when the measurement is complete.

Slowly move

Note: If the distance of the thermometer is too far from or too close to the patient’s forehead, the dash icons will continue to rotate and the unit will beep (except in night mode) UNTIL the correct distance is obtained. Once the Measure button is pressed and released, you will have 20 seconds to obtain a temperature reading. After 20 seconds the unit returns to standby mode.

Measure button

6. To repeat the process, return to step 2.

7. The thermometer automatically turns off (with a single beep) after 30 seconds of inactivity.

Note: The device cannot be turned off manually

6. Memory Function

The unit retains the last 30 readings.
To recall previous readings:

  1. Press the Measure button to power the unit on.
  2. Briefly press and release the Memory button then press again to display the last measurement accompanied by the I symbol.
recall previous readings

Note: The Human or Object symbols will be displayed to indicate the measurement mode that was in use for the displayed reading in memory.

3. Each press of the Memory button will display a previous measurement (up to 30).

To delete readings from memory:

  1. Press the Measure button to power the unit on.
  2. Press and hold the Memory Button for at least 3 seconds to delete all the readings.
  3. The LCD displays “–” and the device beeps to confirm all the memories are cleared.

Note: Once 30 measurements are in memory each new measurement will overwrite the oldest.
Note: All the readings (Human and Object) will be cleared when deleting readings from memory.

7. Troubleshooting/Error Messages


8. Maintenance

8a. Replacing the Batteries

The thermometer comes with two 1.5v AAA (LR03) alkaline batteries. Replace with two new AAA (LR03) batteries when the low battery symbol “BATTERY “ appears on the display.
The thermometer can continue to be used with the low battery symbol displayed but the batteries should be replaced as soon as possible.

If the batteries are completely depleted, “Lo” will be displayed along with the low battery symbol.

battery symbol
  1. Use a Phillips head screwdriver to loosen battery cover screw. Remove cover.
  2. Remove the batteries.
  3. Insert two AAA (or equivalent) batteries, correctly positioned with positive “+” and negative “-” as shown in illustration.
  4. Place the battery cover on the thermometer and tighten the screw to secure it in place.
Insert two AAA

Note: Remove the batteries before storing the thermometer for an extended period of time.

8b. Cleaning and Disinfecting

The thermometer can be cleaned and an intermediate-level of disinfection can be achieved using the following method.

CAUTION: Never submerge the thermometer in water or any other liquid
CAUTION: Never use abrasive cleaning agents, thinners or benzene for cleaning and never immerse the instrument in water or other cleaning liquids.
CAUTION: Never insert a sharp object into the scanner area or any other open surface on the thermometer.
CAUTION: Do not use unapproved cleaning or disinfection agents. Use of these agents may cause damage to components.
CAUTION: Do not use chemicals other than isopropyl or ethyl alcohol on the lens.

Cleaning the lenses

Never use water to wash the thermometer lens directly. Slightly moisten a cotton swab or cloth with isopropyl or ethyl alcohol and gently wipe the surface of the lens. Wipe from side to side rather than in a circular motion to avoid getting debris on the center of the sensor. Avoid touching the lens except when cleaning is required.

Cleaning the lenses

Note: that ADC is not responsible for validating the cleaning or disinfection protocols used on this device outside of ADC’s manufacturing site. You should determine the requirements for personnel, equipment, and materials necessary to achieve your desired disinfection levels and may need to employ routine monitoring of your disinfection protocols within your facility. After cleaning or disinfecting, wait at least 10 minutes prior to taking another measurement.

9. Calibration Testing

This thermometer is calibrated at the time of manufacture. If the thermometer is operated in accordance with these instructions, periodic readjustment is not required. ADC recommends checking calibration on an annual basis or whenever clinical accuracy of the thermometer is in question.

Recommendations for calibration do not supersede any legal obligations that you may have in relation to this equipment. Please consult applicable local or national laws in the place of use to ensure that the requirements for the control of the measurement, functionality, and accuracy of the device are maintained for your specific uses.

10. Disposal

The thermometer contains no hazardous materials. Discard in accordance with national or local regulations. Remove the batteries before disposal.

Dispose of empty batteries in accordance with national or local regulations.

11. Technical Specifications

Type Non-Contact infrared thermometer Model no. 429

Technical Specifications

12. Standards

ASTM 1965-98
EN 12470-5:2003
MDD (93/42/EEC) Annex II

13. Guidance and Manufacturer’s Declaration


NOTE: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.

a. Field strengths from fixed transmitters, such as base stations for radio cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the 429 IR Thermometer is used exceeds the applicable RF compliance level above, the 429 IR Thermometer should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the 429 IR Thermometer.
b. Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.


14. Warranty

This Thermometer is guaranteed for a period of 24 months from date of purchase. This warranty does not cover batteries, or damage resulting from improper handling or use. Specific legal rights stipulated in your state may guide this warranty. If you have a legitimate claim under this warranty, send item(s) postage paid to Service Center, Attn: Repair Dept., 55 Commerce Dr., Hauppauge, NY 11788. Please include your name and address, phone no., proof of purchase, and a brief note explaining the problem, your return address and $2.00 to cover shipping and handling.

15. Contact Information

Contact Information

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