Dual Paint Thickness Gauge Works on painted Steel AND Aluminum ECONOMICAL ! PT900 / PT900C Economical Paint / Coating Thickness Gauge The most compact hand held gauge for verifying the paint thickness on mild steel or aluminum. For automobiles, it makes it easy to identify collision damage and refinish work. PT900 with integrated probe or PT900C with external probes. Ideal for...    Inspectors, Industrial Painters, Appraisers, Dealerships, Detailers, Body Shops,  Professional Car Buyers and more... Uses: Identify repainted panels and all previous refinish work Inspect painted and repainted surfaces for specification compliance. Buff with precision and confidence. Locate where extra work is needed Cut expensive paint materials and costs Show customers where more paint stripping or re-clearcoating is needed Determine depth of acid rain damage Features: Measure coating thickness - right out of the box - Automatic substrate recognition - 900 Automatic recognition of probe type - 900C Measure range:   0 - 1200 µm (0 - 50 mils) Mil / µm conversion at the press of a button Resolution:   0.1 µm (0.004 mils) on coating thickness < 99.9µm Resolution:   1.0 µm (0.04mils) on coating thickness > 100 µm Measuring accuracy:   ± (1~3% or 2 µm)  (0.1 mils) (whichever is greater) Min. radius of curvature: Convex: 0.12" (3mm), Concave: 1.2" (30mm) Min. measuring area: 6mm Body Weight: 82g / 2.9 Oz (not including battery) Fast accurate thickness measurements Ergonomic Pocket-size design for one hand operation, 1" x 2.5" x 5". Durable quality construction Measuring modes:   continuous / single Min. sample thickness: 0.3 mm Power supply: 4x1.5V AAA batteries Manual or automatic shut off Backlit display Gauge Comes Complete with: Carrying Case (foam padded) Operating Manual F and NF probe built in (PT900) Calibration shims Substrate (iron) Substrate (aluminum) CALL for Pricing