Citizen CH-657 instruction manual Specifications, Aaa, IPX0

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SPECIFICATIONS

Model Number		CH-657
Measurement system		Oscillometric method
Display		Digital display type
Wrist circumference range		13.5 to 21.5 cm
Measurement	Pressure	0 to 280 mmHg
range	Pulse	40 to 180 pulse/min
Accuracy	Pressure	±3 mmHg
	Pulse	±5% of reading
Inflation		Automatic inflation by internal pump
Rated voltage		3V DC			(	: direct current)
Exhaust		Electromagnetic quick exhaust valve
Power supply		2 AAA		batteries (LR03)
Battery duration		Approx. 400 times					(180 mmHg,
							once/day, 22°C)
Operating	Temperature	10°C to 40°C
conditions	Humidity	30% to 85% RH
Storage	Temperature	-20°C to 60°C
conditions	Humidity	10% to 95%RH
Memory Function		Up to 90 measurements
Electric shock Protection		Internal power unit
Degree of Protection			Type BF applied part
Mode of operation		Continuous operation
Protection against ingress of water		IPX0
Dimensions		69 (W) x 70 (H) x 15 (D) mm
Weight		Approx. 86g w/o batteries
Service Life		5 years
Accessories		Set includes 2 AAA batteries (LR03) for the
		monitor, Instruction Manual, Storage case

*Applied part for this device is Cuff.

*A range in barometoric pressure 105 kPa to 70 kPa

*A range in altitude -300 m to 3000 m

*Overall system accuracy of this device is met with the requirement of item 7.9 of EN1060-3.

EN1060-3 : Non-invasive sphygmomanometers Part 3 (European Standard)

- Eng 26 - - Eng 27 -