Fisher & Paykel MR720, MR480 MR700 Series General Specifications, Models MR730/720/700

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1.0MR700 SERIES GENERAL SPECIFICATIONS_________________________

This documentation defines the technical specifications of the MR730, MR720, MR700 and MR480 respiratory humidifiers, it also includes maintenance and repair procedures.

The MR730/720 models are Heated Wire humidifiers with the option of disabling the Heater Wire.

The MR720 has a lower alarm limit and an extended warmup mode for use in Anaesthesia.

The MR700 model is exclusively a Heated Wire humidifier.

The MR480 model is a non Heated Wire humidifier.

1.1ELECTRICAL SPECIFICATIONS

1.1.1	MODELS MR730/720/700
	Supply Voltage		230 ± 25 V
			127 ± 12 V
			115 V
			100 ± 10 V
	Supply Frequency		50 or 60 Hz
	Supply Current		1.0 A maximum at 230 V
			1.9 A maximum at 127 V
			2.0 A maximum at 115 V
			2.4 A maximum at 100 V
	Heater Wire Capacity		60 W
1.1.2	MODEL MR480
	Supply Voltage:	230 ± 25 V
		115 V
		100 ±10 V
	Supply Frequency	50 or 60 Hz
	Supply Current	0.7 A maximum at 230 V
		1.4 A maximum at 115 V
		1.6 A maximum at 100 V

1.1.3COMMON ELECTRICAL SPECIFICATIONS (ALL MODELS)

Heaterplate Power	150 W
Heaterplate Overheat Protector	Operates at 118 ± 6 °C

1.2STANDARDS AND APPROVALS

Classification under:	CSA-C22.2 No.125 , UL2601
	IEC601-1, AS3200.1, EN60601-1
	Class 1
	Type B
	Drip Proof
	Continuous Operation
	Not to be used in the presence of flammable anaesthetics.

1.3TEMPERATURE CONTROL

PID (Proportional Integral Derivative) control of Heater Wire (in Heated Wire mode operation only) and heaterplate.

1.4TEMPERATURE SENSING

Temperature measurement using standard characteristic thermistors (YSI 400 compatible) mounted in fast response temperature probes, located at the patient end of the delivery tube and at the humidifying chamber outlet.

Ref. 185040646 MR730/720/700/480 Technical Manual ¯ Revision F ¯ Issued March 2001