Silent Generator with Collapsible Handle Centrifugal Clutch (Governor) For Constant Output Voltage Chuck Nut Locking Arrangement to Prevent Anti-Clockwise Rotation Anti Magnetic Aluminium Body with Protected Metallic Flap Over Glass Window of Scale Accurate, Reliable and Quick Response For Measurement of Resistance of Earth Accuracy CONFIRMS to IS : 923/1979Graceful Appearance, Long Life & Strength Against Vibration & Impact