Add to Cart Compare Quick view Extech MG320 – CAT IV Insulation Tester/True RMS MultiMeter Extech MSRP: Now: $499.00 Was: MSRP: Now: $499.00 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity of Extech MG320 – CAT IV Insulation Tester/True RMS MultiMeter Increase Quantity of Extech MG320 – CAT IV Insulation Tester/True RMS MultiMeter Price: MSRP: Now: $499.00 Was: Subtotal: Add to Cart