{"product_id":"insulation-resistance-tester-qty-1","title":"Insulation resistance tester Qty 1","description":"\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003eHand-cranked insulation resistance tester (“Megger”-type), portable electrical test instrument. Calibrated in megohms (MΩ) with a 500-volt test output, generated by the built-in hand-driven generator. Instruments of this type were used by electricians and engineers to test the insulation resistance of wiring, cables, motors, and electrical installations to ensure safety and detect faults. Compact bakelite-cased field instrument typical of professional electrical maintenance equipment. Mid-20th century, c.1940s–1960s.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eW13 x D8 x H9 cm.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eReplacement value £100\u003c\/p\u003e","brand":"W.O Prescott Ltd","offers":[{"title":"Default Title","offer_id":53261545046355,"sku":"INS-835","price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/8674\/0307\/files\/insulation_resistance_tester_electrical_Industrial_powerhouse_props_prop_rental_hire_vintage_movie_film_set_dec.jpg?v=1773583834","url":"https:\/\/powerhouseprops.co.uk\/products\/insulation-resistance-tester-qty-1","provider":"Powerhouse Props","version":"1.0","type":"link"}