Voltage Detector Stick with air gap arrester for indoor use Standard(s) : IEC 61235 / IEC 60855-1 Use : Stick for detecting the absence of voltage before earthing a line or a transformer to carry out work in MV substations or cells. The detector's battery-free operation and built-in self-test make it possible, in indoor substations, to have a testing device that is always ready for use. Specifications : TP13PM: 1 section insulating stick with a universal end fitting Fibreglass composite tube, diameter 32 mm. Operating voltage: 5 to 45 kV. Test voltage on 300 mm: 50 kV. Overall length: 1,50 m. Weight: 600 g. TR245U : Telescopic insulating stick with a universal end fitting Polyurethane foam-filled fibreglass composite upper tube, Ø 32 mm. Fibreglass composite lower tube, Ø 39 mm. Operating voltage: 25 to 63 kV kV. Test voltage on 300 mm: 100 kV (upper section) / 50 KV (lower section). Folded length: 0,85 m. Extended length: 1,50 m. Weight: 1,050 kg. TDP536 : See next product description.