Checking the temperature of objects and people has never been easier than with an accurate and quick, noncontact, noninvasive device such as the Jumper thermometer.
As a father of three, with 7 and 5 yr old boys and an 18-month-old girl, and a career as a family medicine physician, I tend to check and recheck a lot of temperatures. Most people are unaware that there are multiple ways to check a temperature. Honestly, it is more interesting to note that many families do not have any form of thermometer. There are five main methods to check a temperature: Temporal (head), otic (ear), oral (mouth), axillary (armpit), rectal (outdoor). For those of you with children, it can be a challenge to actually check a temperature. If they are sick, they are fussy and you do not want to wake them up. However, it may serve you well to wake them for a timed medication than to let them awaken with illness. Thus, the ultimate parental device would be one that could check the temperature of a sleeping child, without awakening them.
I have received a Jumper non-contact infrared thermometer to review. On the front of the white box is a picture of the device, the Jumper JPD-FR200 forehead thermometer. Along the bottom left of the cover, you will find some of the features of the device: 0.5-2 inch distance, body or object temp detection, quick display, sounds on/off, Auditory and visual fever warning, can hold 20 readings and latex free. If you rotate the box counterclockwise, the side will detail the mode button. The “M” button will change between forehead (man head icon) and object mode (house). The sound button will mute the thermometer, to remove the beeps. You can point the probe at the center of the forehead/object at 0.5-2 inches. Press and release the trigger and the device will beep and reveal the value. The opposing side shows the two main uses, body or object temperature, and also details that you can switch between Celsius and Fahrenheit. Personally, the most important bit of information is “clinically tested and proven to be reliable and accurate.” I have to know that the readings are reproducible and actually have meaning. The device has been calibrated and seems to be quite accurate.
Included in the packaging, you will find the thermometer, inside of a silky-white drawstring pouch. The device comes shipped with a plastic battery plug, that will need to be removed prior to utilization. When done, the device is ready. Simply point the thermometer at the object or body and press the trigger. When the thermometer beeps, the temperature will read on the green LCD screen. Make sure that you are 0.5-2cm away from the surface (just about 1/2-1 inch). The device is powered by #2 AAA Batteries, which are conveniently included and preinstalled. I have tested a few other devices that are similar to the Jumper. Other devices have single or multi-click options. Alas, this only has single click as an option. As detailed on the packaging, there are 3 buttons on the front. To the left is the C/F button, which will change your readings from Fahrenheit to Celsius. The middle mode button has 2 features. Short pressing the button will allow you to change between object and body and long pressing will take you to the function options for F-1, F-2, F3. The right button will mute/unmute the sound. These thermometers are really easy to utilize and allow you to check a temp of a bottle, a drink, a cold surface, or the temperature of your sleeping child. Seriously, how much easier could it get to check a temperature. You really only need to point and click.
It is important to note that there are some differences between the location the temperature is obtained. I have found this to be accurate both in my personal and professional experiences. For older children and adults, oral temperature (under the tongue) is usually very accurate. This accuracy is reduced drastically, if the person has consumed anything in the preceding 10-15 minutes, or if they are markedly congested and have been mouth breathing. The axillary readings (arm-pit) tend to be the least accurate. Rectal temperatures, although the most closely resembling your core temperature, have to be checked rectally and eliminates the option for many of us. We are all taught in school that the normal oral temperature is about 98.6 (average). We are not all 98.6, this is a fact that remains elusive to many of my patients/friends and family. Truthfully, there can be people with higher and lower numbers, and these can fluctuate by day, by month, and by cycle for women. This is the basis for the ovulation calculator/basal temp method of family planning. Rectal temperatures run about 0.5-1 degree higher than oral temperatures. I should not need to say this, but I feel it is important. Please never use a thermometer for oral and rectal readings. If you have a rectal thermometer, appropriately label it as such, place it into a ziplock bag and note that it is completely and forever locked into checking temperatures via the rectum. Armpit readings and skin/forehead readings tend to be about 0.5-1 degree less than oral temperatures.
Medically, we consider an elevated temperature to be a fever if >100.4 degrees. It has always been my wish to know what the actual reading the thermometer provided, without adjusting. We can adjust based on location later. It becomes too easy to increase the temperature by more than 1 degree with the self-rounding idea. You often hear people report a low-grade fever. This can have many meanings. Medically, a low-grade fever is typically considered 100-101, moderate grade 101-102 (infants should see a provider), high grade 102+. The device measured my temperature at 97.2 degrees at my forehead and 98.2 on the surface of my tongue. My wife’s forehead temperature was 98.0 degrees, my 7-year-old son at 99.2 degrees and my 5-year-old son at 98 degrees. We measured each of our armpits, with the device, and it did run about the same for each of us just at about 1 degree less of our oral reading. I opened up my mouth and held my breath and aimed at my tongue and got 98.5 degrees. It seems to measure surface temperatures quite well and as a bonus, there is no contact with children/patients.
I received a set of 8 metal ice cubes to review from Sevenstep. I utilized the thermometer to test the change in 1 cup of water over 2 minutes, using 2 metal cubes and 2 ice cubes of similar size. Interestingly, the ice won and cooled the water more than the metal cubes. The ice cooled from abut 75 degrees to 72 degrees. The metal cubes dropped the surface temp down about 74.5. I did swirl the water to prevent the surface (ice floats) from being cooler in the ice version (metal cubes are dense and sank). I then turned to various objects in the home. Make sure you have the device on the house option for objects. My refrigerator measured at 38.5 degrees. Milk jug 40 degrees. The surface of my freezer and the items in the freezer were too cold to measure. I received a Lo warning. I filled a cup with hot water, from the tap, which measured 110 degrees.
There are multiple options for this device. Check the temperature of your air return, check the meat on the grill. My wife is a huge fan of this type of thermometer. Using AAA batteries is incredibly convenient, as you can find these anywhere. With cold and flu season, right around the corner in the USA, this device will be very handy. The instruction manual is quite useful, providing more detailed usage instructions. Holding the M button for 2-3 seconds will allow you to access the memory function. You will see F-1 display on the screen. This is the location where you can see the last 20 readings. You can also access F-2 (function 2) allowing for temperature compensation or F3 fever alert thresholds (set by default at 99.6). The Jumper Noncontact forehead thermometer is lightweight, easy to use, and seems to provide rather accurate readings (about 0.5-1 degree away from oral temperatures), comes with a really soft-white drawstring bag. I rate the device at 5/5 stars.
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