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Automatic Upper Arm Blood Pressure Monitor 
Electronic Sphygmomanometers 
M3 Comfort (HEM-7155-E(C)) 
Pulse measurement 
40 - 180 beats/min 
Blood pressure 
SYS 60 to 260 mmHg, DIA: 40 to 215 mmHG.  
Pressure +- 3mmHg, Pulse +-5% of display reading 
Automatic by electric pump 
Automatic pressure release valve 
Monitor: IP 20/ Optional AC adapter: IP21 
Power Source  4 "AA" batteries 1.5 V or optional AC adapter (input AC 
100-240 V 50-60 Hz 0.12 -0.065 A) 
Battery life  Approximately 1000 measurements (using new alkaline 
Durable period (Service 
life) 
Monitor: 5 years / Cuff: 5 years / Optional AC adapter:  
Operating conditions  +10 to +40 °C / 15 to 90% RH (non-condensing)/ 800 to 
Storage / Transport 
-20 to +60 °C / 10 to 90% RH (non-condensing) 
Internally powered ME equipment (when using only