Starrett 3814 Manual

The 3814 Hardness Tester provides reliable Rockwell Hardness values on all types of metal and alloys, hard or soft and in many shapes. This reliable bench hardness tester has a high quality casting, is ergonomically designed for easy operation and is engineered to ensure accurate results. It is an ideal basic hardness solution, economically priced to suit a variety of lab, workshop, toolroom and inspection department applications. Starrett® Benchtop Hardness Tester, Series: Global Series®, Rockwell A Scale 80 Scale, Analog Dial Display, 0.1 HA Resolution, 6.6 in Throat Depth, 8-1/2 in Overall Width, 20 in Overall Depth, 30 in Overall Height, Cast Iron Body.

• Ability to handle rockwell scales A through H and K • Stable cast iron construction • Provides reliable rockwell hardness values on all types of metal and alloys, hard or soft and in many shapes • Ideal basic hardness testing for many typical applications • Hydraulic dashpot system is a test force control • Dead weight applies test force application • 0 to 100 HA measuring range • 6.69 in H maximum test • 10Kgf minor load • Rockwell B scale 90 and rockwell C scale 63 • A - 60Kgf, B -100Kgf, C - 150Kgf major load.

The Starrett 3811A is a state of the art, digital portable tester that is designed to test the hardness of large hard metal parts. The 3811A combines fast test speeds coupled with ample memory and output. It performs tests that easily convert to most popular hardness scales such as Rockwell, Brinell, Vickers and Shore.

Call or email for shipping quote outside of the continental USA. Specifications: • Accuracy: +/- 0.5% (referred to L=800) • Repeatability accuracy: +/- 4L units L= Leeb • Measuring Range: 200-960 HL • For steel & cast steel, alloy tool steel, stainless steel, gray 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 degrees F • Dimensions: 5.96 x 2.938 x 1.270” (150 x 74 x 32mm) • Weight: 8.6 oz. (245 grams) Functions: • Simple to use keypad • Auto identification of impact device • Large LCD with back light • USB output • Auto conversion to commonly used scales • Auto mean value and min & max values • Battery indicator • 100 group memory capacity Which scales can this tester convert to? Test results can easily convert to the more popular hardness scales: Rockwell (HRB & HRC), Brinell (HB), Vickers (HV), Shore, etc. How thick does the part have to be? For testing large hard parts such as tool steel, the thickness should be close to 1' thick or more.

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If the test piece is coupled, it is possible to test down to a 3mm thickness. How easy is it to operate? The 3811A is simple to operate. First you need to load the impact device by simply cocking it. This moves the impact body, which is within the impact device, into the start position.