Push Pull Muscle Strength Dynamometer 50 Lb. Capacity Hydrocollator Moist Heat Packs Model 4114: 3' x 7' Nasal Cannulas Model 4114: 3' x 7' x 2 0 A @ 12 VDC) * Internal Battery Average Charge Time: 4 Hours * Oxygen Concentration: 87 to 95% @ 5 l min setting within 4 to 6 minutes * Environmental Conditions: Temperature Range: 41¯F to 104¯F (5¯C to 40¯C) force capacity unit * Comes with 3 push pads (padded curved padded straight and 1cm2 circular) 1 pull hook and 1 snap lock hook * Comes in cushioned carrying case with muscle heat test manual * 1 Year Warranty * CE certified * ) and easier to use than spring push pull dynamometers that are in common use today * Dial continuously shows instantaneous force and holds the maximum force reading * This maximum reading should be manually recorded prior to resetting for the next test * Available with either an analog (dial) readout or a digital (LCD) readout * Choose either 50 lb