{"product_id":"martindale-marpd440srdx-pd440srdx-440v-ac-dc-proving-unit-4-ranges-calcheck","title":"Martindale MARPD440SRDX | PD440SRDX 440V AC\/DC Proving Unit | 4 Ranges \u0026 CALCHECK","description":"\u003cp\u003eThe PD440SRDX (MARPD440SRDX) is a four-range 440V AC\/DC proving unit with the CALCHECK feature. CALCHECK makes it straightforward to verify the insulation and low-resistance ranges on 18th Edition multifunction installation testers wherever the work is. Output mode is switched by push button, and the unit is housed in an over-moulded low-profile case with magnetic hanger.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProving up to 440V AC or DC, 4 stepped ranges\u003c\/li\u003e\n\u003cli\u003eCALCHECK for 18th Edition tester resistance ranges\u003c\/li\u003e\n\u003cli\u003ePush-button AC\/DC switching\u003c\/li\u003e\n\u003cli\u003eFor high and low impedance devices\u003c\/li\u003e\n\u003cli\u003eCompatible with S-series magnetic hanger\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Martindale","offers":[{"title":"Default Title","offer_id":67669736292465,"sku":"MARPD440SRDX","price":0.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/PD440SRDX-product.jpg?v=1791944104","url":"https:\/\/www.generaltechshop.sa\/products\/martindale-marpd440srdx-pd440srdx-440v-ac-dc-proving-unit-4-ranges-calcheck","provider":"General Tech Services LLC","version":"1.0","type":"link"}