The motwane manufacturing company manufactures and supplies high-voltage probes model hv-40. It works as optional accessories for digital multimeters. It is capable of measuring high voltage up to 40 kv ac/dc or measurements up to 100 hz. The digital multimeters are kept away from the measuring point via 1.5 m long connecting wire. The length of the probes is 375 mm and weight is approximately 0.75 kg. Some technical specifications of the probes are: input resistance of 1000 mohm approximately; division ratio of 105:1 [into 10 mohm]; range of 1 kv to 40 kv; dc accuracy ± 5 per cent up to 25 kv & ± 7 per cent above 25 kv; and ac accuracy of ± 5 per cent over & above dc accuracy.