supply of electrical measuring instruments ammeters,square dial moving coil ammeter dc, spring control heavy duty instrument suitable for emu/memu with metal clamp and shock proof rubber gasket to range 0-1000 amps, extn. shunt, 50 scale division, accuracy class +/- 1.5 percent, external heat resistance 1.5 ohm, size 144 x 144mm, suitable for 75 mv to is 1248/1968 or latest accepted with calibration certificateelectrical measuring instruments ammeters,square dial moving coil ammeter dc, spring control heavy duty instrument suitable for emu/memu with metal clamp and shock proof rubber gasket to range 0-1000 amps, extn. shunt, 50 scale division, accuracy class +/- 1.5 percent, external heat resistance 1.5 ohm, size 144 x 144mm, suitable for 75 mv to is 1248/1968 or latest accepted with calibration certificate,electrical measuring instruments ammeters,square dial moving coil ammeter dc, spr ing control heavy duty instrument suitable for emu/memu with metal clamp and sh ock proof rubber gasket to range 0-1000 amps, extn. shunt, 50 scale division, accura cy class +/- 1.5 percent, external heat resistance 1.5 ohm, size 144 x 144mm, suitable fo r 75 mv to is 1248/1968 or latest accepted with calibration certificate [ warranty period: 30 months after the date of delivery ] ]