12. Frequently asked Questions (FAQ) and Answers
1. How do I know if the device is still accurate after long usage or
after being dropped?
• Generally, the monitor gives accurate results if it is working. If the
device has been dropped but you cannot detect any malfunction
when operating it, there is no need to worry about the accuracy.
The main component that mainly influences the accuracy is stored
in the computer program. This software either works or doesn’t.
Other parts which affect the accuracy such as the deflation valve
and the pressure sensor are very well protected against modifica-
tions by accidents or ageing.
• In accordance with international standards we recommend that you
ask your authorized Microlife dealer to perform an accuracy check
every two years.
2. Why and when should send the device back for an accuracy check?
• Microlife's blood pressure monitors are developed to remain accu-
rate for a long product life. To guarantee this accuracy we recom-
mend,in accordance with international standards contact authorized
Microlife dealer to perform an accuracy check every 2 years.
3. The systolic pressure measured by the Microlife blood pressure
monitor is similar to what my doctor measures but why is the
diastolic pressure about 10 mmHg higher with the electronic monitor?
• The diastolic pressure is very difficult to detect with the stetho-
scope and depend very much on the observer capabilities. The
correlation of the diastolic pressure is therefore typically more
difficult than the systolic.
4. How long should I wait between measurements?
• If you want to perform several measurements sequentially, you
should wait at least 1-2 minutes between two measurements. Loosen
the cuff during this waiting period to enable a normal blood flow.
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10. TECHNICAL SPECIFICATIONS:
Weight: 480 g (with batteries & cuff)
Size: 148 (L) x 126 (W) x 60 (H) mm
Storage temperature: – 20°C to +55°C/-4 °F to+131 °F
Humidity: 15 to 90% relative humidity maximum
Operation temperature: 10 to 40°C/50 - 104 °F
Display: LCD-Display (Liquid Crystal Display)
Measuring method: oscillometric, corresponding to Korotkoff method:
Phase I systolic, Phase V diastolic
Pressure sensor: capacitive
Measuring range:
SYS/DIA: 30 to 280 mmHg
Pulse: 40 to 200 beats per minute
Cuff pressure display range: 0–299 mmHg
Memory: Automatically stores the last 99 measurement
Measuring resolution: 1 mmHg
Accuracy: Pressure within ± 3 mmHg
Pulse ± 5% of the reading
Power source: DC 6V / 600mA
a) 4 dry cells (batteries) UM-3, size AA, 1.5 V
b) AC adapter 6 V DC 600 mA (optional)
Accessories: Storage bag
Microlife fan shape wide range (M-L size) cuff
for arm circumference 22-42 cm.
Microlife reserves the right to alter technical specifications without prior written notice.
11. www.microlife.com
Detailed user information about our products as well as services can be found at
www.microlife.com
BP 3BM1-3 Automatic Blood Pressure Monitor Instruction Manual www.microlife.com www.microlife.com BP 3BM1-3 Automatic Blood Pressure Monitor Instruction Manual
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