19 IX. Specifications JorVet J0841q unit is designed and manufactured to meet the most demanding environment. Its specifications are listed below:  Specifications: Attention! Avoid use of this machine around pacemakers. It has been shown that electronic appliances including razors, hair dryers, microwave ovens, TV receptors, and some electronic medical equipment may interfere with the normal operations of pacemakers. It is suggested that providers/ patients who have pacemakers avoid treatment with this unit. For further readings on the subject, please refer to: − "Advances in Cardiac Pacemaker", The New York Academy of Sciences, Vol. 167, Article 2, pp. 515-1075 − "Electromagnetic Radiation Interference with Cardiac Pacemaker", U. S. Department of Health, Education and Welfare − "The Individual with a Pacemaker in the Dental Environment", Journal of the American Dental Association, Vol. 91, No. 6, pp. 1224-1229 Power supply: 115V ±5% ～50/60Hz 160VA 230V ±5% ～50/60Hz 160VA Scaler Working frequency: 24.5KHz ±5% (for 25KHz Insert) Polisher speed: 2000～30000 R.P.M Dimension Weight: Handpiece Cable Weight: Footswitch Cable Length: 6” L x 8” W x 3.5”H 6.5 lbs. (including handpiece) 8’ 3” p Operating environment Temperature: Relative Humidity: 32º F ~ 80º F 10% ~ 90% (non-condensing) r a n s Transport and storage conditions Temperature: Relative Humidity: Same as above 10% ~ 90% (non-condensing)