{"product_id":"moving-coil-meter-1ma-f-s-d-with-0-to-10kv-scale-105mm-diameter-circular","title":"Moving Coil Meter 1mA F.S.D. with 0 to 10kV Scale 105mm Diameter Circular","description":"\u003cp\u003eThis is one item of 1mA full scale deflection milliammeter with a scale that reads 0 to 10kV.  It was made by Ferranti.  This would normally be part of equipment where a suitable series resistor was used to take off a tap from a lower voltage part of an E.H.T. generating system, i.e. you will Not be able to read 10kV supplies with any 10 Watt 10 MegOhm series resistor, which would be a non-existant part.  The needle zeroes correctly and I have tested it for accurate reading at 1mA.  The coil resistance is as shown on the scale, 100 Ohms.\u003c\/p\u003e","brand":"HJW Electronics","offers":[{"title":"Default Title","offer_id":58592822919552,"sku":null,"price":14.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2136\/1280\/files\/il_fullxfull.4059618865_610c.avif?v=1785434627","url":"https:\/\/shop.usefulcomponents.com\/products\/moving-coil-meter-1ma-f-s-d-with-0-to-10kv-scale-105mm-diameter-circular","provider":"HJW Electronics","version":"1.0","type":"link"}