Kroger BP3NM1-4NKRO Automatic Arm Blood Pressure Monitor
This blood pressure monitor IS intended to be used
- For self-measurement/monitoring of blood pressure and pulse in adults; the person being measured may be the user/operator of the device.
- Within a home healthcare environment.
- With a cuff located upon the user’s upper arm; ½ inch above the elbow over the artery as indicated on the cuff.
This blood pressure monitor IS NOT intended for use with
- Pregnancy
- Preeclampsia
- Children under 12
- Neonatal patients
Introduction
Your automatic blood pressure monitor
Your blood pressure monitor is a fully automatic digital blood pressure measuring device for use by adults on the upper arm at home or in your doctor’s office. It enables very fast and reliable measurement of the systolic and diastolic blood pressure as well as the pulse by way of the oscillometric method. This device offers clinically proven accuracy and has been designed to be user-friendly.
Before using your blood pressure monitor, please read this instruction manual carefully and keep it safe for future reference. If you have additional questions regarding blood pressure measurements don’t hesitate to get in touch with your doctor.
How is blood pressure measured?
What is blood pressure, and why does it fluctuate?
Your level of blood pressure is determined in the circulatory center of the brain and adjusts to a variety of situations through feedback from the nervous system. To adjust blood pressure, the strength and frequency of the heart (Pulse), as well as the width of circulatory blood vessels, is altered. Blood vessel width is affected by fine muscles in the blood vessel walls.
Your level of arterial blood pressure changes periodically during heart activity: During the “blood ejection” (Systole) the value is highest (systolic blood pressure value). At the end of the heart’s “rest period” (Diastole) pressure is lowest (diastolic blood pressure value). Blood pressure values must lie within certain normal ranges to prevent particular diseases.
Measurement guidelines
Blood pressure is very high if your systolic blood pressure is over 140 mmHg and/or your diastolic pressure is above 90 mmHg. In this case, please consult your doctor immediately. Long-term values at this level endanger your health due to continual damage to the blood vessels in your body.
Should the systolic blood pressure values lie between 130 mmHg and 139 mmHg and/or the diastolic blood pressure values lie between 80 mmHg and 89 mmHg, consult your doctor. Regular self-checks will be necessary. With blood pressure values that are too low (i.e. systolic values under 105 mmHg and/or diastolic values under 60 mmHg), consult your doctor.
Even with normal blood pressure values, a regular self-check with your blood pressure monitor is recommended. You can detect possible changes in your values early and react appropriately. If you are undergoing medical treatment to control your blood pressure, keep a record of values along with the time of day and date. Show these values to your doctor. Never use the results of your measurements to independently alter the medication prescribed by your doctor.
Which values are normal?
The following standards for assessing high blood pressure in adults have been established by the American Heart Association (AHA) and American College of Cardiology (ACC) in 2017:
| Category | Systolic | Diastolic |
| (mm Hg) | (mm Hg) | |
| Normal | <120 | and <80 |
| Elevated | 120-129 | and <80 |
| Hypertension Stage 1 Hypertension | 130-139 | or 80-89 |
| Stage 2 Hypertension | 140-179 | or 90-119 |
| Hypertensive Crisis | ≥180 | or ≥120 |
Additional information
- This chart reflects a 2017 update to blood pressure standards.
- If your values are mostly normal under resting conditions but exceptionally high under conditions of physical or psychological stress, you may be suffering from so-called “labile hypertension”. Consult your doctor.
What can I do to change my blood pressure?
- a)Consult your doctor.
- b)Increased blood pressure values (various forms of hypertension) are associated with considerable health risks over time. Arterial blood vessels in your body are endangered due to constriction caused by deposits in the vessel walls (Arteriosclerosis). A deficient supply of blood to important organs (heart, brain, muscles) can result from arteriosclerosis. Furthermore, the heart will become structurally damaged with increased blood pressure values.
- c)There are many different causes of high blood pressure. We differentiate between the common primary (essential) hypertension, and secondary hypertension. The latter group can be ascribed to specific organic malfunctions. Please consult your doctor for information about the possible origins of your increased blood pressure values.
- d)There are measures that you can take to reduce and prevent high blood pressure. These measures must be permanent lifestyle changes.
A)Eating habits
- Strive for a normal weight corresponding to your age. See your doctor for your ideal weight.
- Avoid excessive consumption of common salt.
- Avoid fatty foods.
B)Previous illnesses
- Consistently follow all medical instructions for treating illnesses such as:
- Diabetes (Diabetes mellitus or sugar diabetes)
- Fat metabolism disorder
- Gout
C)Habits
- Give up smoking completely
- Drink only moderate amounts of alcohol
- Restrict your caffeine consumption (coffee, tea, chocolate) Your physical condition
- After a medical examination, and with your doctor’s approval and direction; exercise.
- Choose sports that require stamina and avoid those that require strength.
- Avoid reaching the limit of your performance.
- With previous illnesses and/or an age of over 40 years, please consult your doctor before beginning your exercise routine. Speak with your doctor regarding the type and extent of exercise that is appropriate for you.
Components of your blood pressure monitor
The illustration shows the blood pressure monitor consisting of:
- a) Measuring unit
- b) Upper arm cuffs:
For arm circumference 8.7” – 16.5” If you ever need to buy a replacement cuff call customer service at 1-800 568-4147 for information.
Operation of your blood pressure monitor
Inserting the batteries
After unpacking your device, insert the batteries. The battery compartment is located on the bottom of the device.
- a) Remove the cover on the bottom of the monitor.
- b) Insert the batteries (4 x size AA 1.5 V), following the indicated polarity. (+ -)
- c) If the low battery indicator appears in the display, the batteries are discharged and the unit will not function.
- d) If the batteries are inserted incorrectly, the display may function erratically or not at all. Check battery polarity.
Attention!
- After the low battery indicator appears, the device won’t function until the batteries have been replaced.
Please use AA 1.5 V batteries and replace them all at once.- Do not use rechargeable batteries.
- If the blood pressure monitor is not used for long periods, remove the batteries from the device.
Please use AA 1.5 V batteries and replace them all at once.Setting the date and time
- After the new batteries are activated, the year number flashes on the display. You can advance the year by pressing the “M” button. To confirm and then set the month, press the time button.
- You can now set the month using the “M” button. To confirm and then set the day, press the time button.
- Please follow the instructions above to set the day, hour, and minutes.
- Once you have set the last minute and pressed the time button, the date and time are set and the time is displayed.
- If you want to change the date and time, press and hold the time button down for approx. 3 seconds until the year number starts to flash. Now you can enter the new values as described above.
Tube connection
Insert the cuff tube into the opening on the side of the monitor indicated by the drawing of a cuff.
Select the measuring mode: standard or averaging mode
This instrument enables you to select either standard (single measurement) or Averaging Mode (automatic triple measurement). To select standard mode, push the switch on the side of the instrument downward to Position “1“ and to select Averaging mode, upwards to Position “3”. If you select 1 then only one measurement will be taken. If you select 3, the unit will inflate and deflate three times resulting in one final average measurement.
Averaging mode
- In Averaging Mode, three measurements are automatically taken in succession and the result is then automatically analyzed and displayed. Because your blood pressure constantly fluctuates, a result determined in this way is more reliable than one produced by a single measurement.
- After pressing the Start/Stop button the selected Averaging Mode appears in the display as the symbol.
- The bottom, right-hand section of the display shows a 1, 2, or 3 to indicate which of the 3 measurements are currently being taken.
- There is a break of 15 seconds between the measurements (15 seconds is adequate according to “Blood Pressure Monitoring, 2001, 6:145-147” for oscillometric instruments). A countdown indicates the remaining time and a beep will sound 5 seconds before the 2nd and 3rd readings will begin.
- The individual results from measurements 1, 2, and 3 are not initially displayed.
- If you want to see each of the individual readings making up a triplicate reading, press and hold the “M” button for 3 seconds immediately after an Averaging Mode measurement. Please note: You can only see the individual readings one time immediately following an Averaging Mode measurement. See section 5.4.
- Do not remove the cuff between measurements
How do I take a measurement?
Please note: You should always be seated before and during measurement
Preparing to take a measurement
- Avoid eating and smoking as well as all forms of exertion directly before measurement. These factors influence the measurement result. Find time to relax by sitting in an armchair in a quiet atmosphere for about 5 minutes before measurement.
- Remove any garment that fits closely to your upper arm.
- Always measure on the same arm (normally left).
- Always perform measurements at the same time of day, since the blood pressure changes during the day.
Common errors
Note: Comparable blood pressure measurements always require the same conditions. These are normally quiet conditions.
- All efforts by the user to support the arm can increase blood pressure. Make sure you are in a comfortable, relaxed position, and do not flex any of the muscles in the measurement arm during the measurement. Use a cushion for support if necessary.
- If the arm artery lies considerably lower or higher than the heart, an erroneously high or low blood pressure will be measured. Each 15 cm (6”) difference in height between your heart and the cuff results in a measurement error of 10 mmHg.
- Cuffs that are too small result in false measurement values. Selecting the correct cuff is extremely important. Cuff size is dependent upon the circumference of the arm (measured in the center). The permissible range is printed on the cuff. If this is not suitable for your use, please call 1-800-568-4147.
- A loose cuff or a sideways protruding air pocket causes false measurement values.
- With repeated measurements, blood accumulates in the arm, which can lead to false results. Consecutive blood pressure measurements should be repeated after a 1-minute pause to allow the accumulated blood to flow away.
Using the cuff
- a) Pass the end of the cuff through the flat metal ring so that a loop is formed. The hook & loop material must be facing outward. (Ignore this step if the cuff has already been prepared.)
- b) Slide your arm through the cuff until the bottom edge is about ½” above your elbow. Align the cuff artery mark (arrow) over the arm artery that runs down the inner side of the arm.
Important! The red strip on the edge of the cuff (Artery Mark) must lie over the artery that runs down the inner side of the arm. TIP: Align the red artery mark to the inky finger.
- c) Tighten the cuff by pulling the end and closing the cuff by affixing the hook & loop material.
- d) There should be little free space between the arm and the cuff. You should be able to fit 2 fingers between your arm and the cuff. Clothing must not restrict the arm. Any piece of clothing that does must be removed.
- e) Lay your arm on a table (palm upward) so the cuff is at the same height as the heart. Make sure that the tube is not kinked.
- f) Remain seated quietly for 5 minutes before you begin the measurement.
Comment
If it is not possible to fit the cuff to the left arm, it can also be placed on your right arm. However, all measurements should be made using the same arm.
Taking a measurement
After the cuff has been appropriately positioned the measurement can begin. Remain still during your measurement, do not flex muscles.
- a) Press the START/STOP button. The pump begins to inflate the cuff. In the display, the increasing pressure is continually displayed.
- b) After automatically reaching an individual pressure, the pump stops and the pressure slowly falls. The cuff pressure is displayed during the measurement. If the inflation pressure is not sufficient, the monitor automatically re-inflates.
- c) When the device has detected your pulse, the heart symbol in the display begins to blink.
- d) When the measurement has been concluded, the cuff deflates. The measured systolic and diastolic blood pressure values as well as the pulse are now displayed.
- e) The measurement results are displayed until you switch the device off. The device will turn off automatically after 1 minute if no buttons are pressed.
Error messages/ troubleshooting
If an error occurs during a measurement, the measurement is discontinued and a corresponding error code is displayed.
Other possible errors and their solutions
If problems occur when using the device, the following points should be checked:
Malfunction Remedy
| The display remains blank when the instrument is switched ON although the batteries are in place. | • Check battery installation. • If the display is unusual, remove the batteries and then exchange them for new ones • Check polarity |
| The pressure does not rise although the pump is running. | • Check the connection of the cuff tube and connect properly. |
| The device frequently fails to measure the blood pressure values, or the values measured are too low or too high. | • Fit the cuff correctly on the arm. (see 5.3) • Before starting the measurement make sure that the cuff is not too tight and that clothing is not exerting pressure on the arm. Take off articles of clothing if necessary. • Measure blood pressure again in complete peace. |
| Every measurement results in different values, although the device functions normally and normal values are displayed. | • Please read the following information and the points listed under “Common sources of error”.(5.2) • Repeat the measurement. • Blood Pressure changes constantly. The observed readings may accurately reflect your pressure. |
| The blood pressure values differ from those measured by my doctor. | • Record daily values and consult your doctor. • Pressure readings in your doctor’s office may be higher due to anxiety. • Your blood pressure fluctuates throughout the day so record the time along with your reading. |
| After the instrument has inflated the cuff the pressure falls very slowly or not at all. (No measure- ment possible). | • Check cuff connections. • Ensure the unit has not been tampered with. |
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Kroger BP3NM1-4NKRO Automatic Arm Blood Pressure Monitor-FAQs
What does Error 3 mean on my Kroger blood pressure monitor?
Error 3 indicates a pressure reading issue, often caused by an incorrectly placed cuff. Make sure the cuff is properly positioned on your arm before starting the measurement.
What factors can lead to incorrect blood pressure readings?
Several factors can affect accuracy, including eating a meal, caffeine, nicotine use, or a full bladder. The white-coat effect (anxiety in medical settings) can also lead to higher readings.
How do I turn off my blood pressure monitor?
To turn off the monitor, hold the circle button on the lower right side until the device beeps and powers down.
How do I read my blood pressure results?
Your BP reading consists of two numbers:
1. Systolic pressure (top number): Measures the force of blood against artery walls when the heart beats.
2. Diastolic pressure (bottom number): Measures the force when the heart is at rest between beats.
What does the heart symbol on my BP monitor mean?
If the monitor detects an irregular heartbeat, it may display a heart symbol with a number. If an irregular heartbeat is detected three or more times, consult a doctor.
What is considered a normal blood pressure reading?
A normal blood pressure range is between 90/60 mmHg and 120/80 mmHg.
How should I position my arm for an accurate blood pressure reading?
Sit comfortably with your feet flat on the floor and your arm resting at heart level on a table. The cuff should be one inch above the bend of your elbow, with your palm facing upward.
What is considered dangerously low blood pressure?
Blood pressure below 90/60 mmHg is classified as hypotension. If you experience dizziness, fainting, or other symptoms, seek medical attention.
What is the most common mistake when measuring blood pressure?
Incorrect arm positioning is a frequent mistake. If your arm is too low, readings may be higher than they actually are. Always keep your arm at heart level for the most accurate measurement.