3811A Compact Hardness Tester The 3811A is a state of the art, digital portable hardness tester, designed to test the hardness of large, hard metal parts. The 3811A combines fast test speeds with ample memory and output.It performs tests that easily convert to most popular hardness scales such as Rockwell, Brinell, Vickers and Shore. This compact hardness tester is loaded with useful functions usually found only on high priced models. C D DL G Optional Remote Impact Devices Includes base instrument, impact device D, calibrated test block, custom carry case, cleaning brush and operation manual Hardness Testers Specifica tions • Accuracy: ±0.5% (referred to L=800) • Repeatability accuracy: ± 4L units (L=Leeb) • Measuring range: 200-960 HL • For steel and cast steel, alloy tool steel, stainless steel, grey cast iron, spheroidal iron, cast aluminum, brass, bronze, wrought copper alloy • Tool steel should be about 1" thick solid material or larger • Operating temperature: 5-104°F • Dimensions: 5.96 x 2.938 x 1.270" (150 x 74 x 32mm) • Weight: 8.6 oz. (245 grams) Fea tures • Leeb style tester designed for large, hard parts – load the impact body and place the impact device on your test piece • Easy to use keypad operation – push the button to begin testing and obtain reading • Auto identification of impact device • Large LCD display with back light • USB ouput • Automatic conversions to Rockwell, Brinell, Vickers and Shore • Automatic mean value as well as Min and Max values • Uses twoAA alkaline batteries with low power indicator • Memory capacity (100 groups) • Optional impact devices and special support rings 3811A Hardness Tester and Accessories Cat. No. EDP Description 3811A 69881 Digital portable hardness tester with impact device D,calibrated test block, cleaning brush and carry case HT-1800-110 20940 D+15 Impact Device HT-1800-115 20941 DL Impact Device HT-1800-125 20942 G Impact Device HT-1800-130 20943 C Impact Device HT-1800-120 20944 DC Impact Device HT-1800-100 20945 Replacement D Impact Device HT-1800-102 20946 Replacement Cable For All Impact Devices HT-2500-105 20947 Replacement Impact Body HT-1300-01 20948 Leeb D Test Block HT-1100G-01 20949 Leeb G Test Block S38R 67285 Support Ring Set 3811A Portable Hardness Tester with Integrated, Multi-functional Features Style Applications D+15 Very narrow contact area with a set backed measurement coil. Measures hardness in grooves and recesses. Weight: 80g DC Extremely short impact device. Used for very confined spaces such as, holes, cylinders and internal measurements C Reduced impact energy probe (2 ft-lb) for measuring hardness of coatings, surface hardened, thin wall or impact sensitive components.Applies superficial indentation.Weight: 75g G Enlarged test tip and increased impact energy range (72 ft-lb – approx. 9 times the D). For lower quality finishes measuring in the Brinell range only (max. 650 HB). Designed for components like heavy castings, forgings. Weight: 250g DL Needle front section with 4mm diameter and 50mm length. Ideal for testing in confined spaces, the base of grooves and special components like gear wheels. Steel/Cast steel 242 G age A mps , H ardness and S urface T esters