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Summary of Contents for phase II PHT-2000
- Page 1 Model No.PHT-2000 Instruction Manual (201)933-6300 www.phase2plus.com * Precision Measuring Tools * Indexing Fixtures * Workholding Fixtures * * Hardness Testers * Ultrasonic Thickness * Surface Finish * Coating Thickness *...
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Page 2: Typical Applications
Functions of the Phase II PHT-2000 Hardness Tester Phase II PHT-2000 is an advanced, integrated hardness tester that provides high accuracy and simplicity of operation throughout a wide measuring range. It is suitable for testing the hardness of ordinary metals and is widely applied in many industries including the petroleum, chemical, industrial machining and electric power industries, etc. - Page 3 Impact Devices/Applications D-Probe: Universal standard unit. Will handle G-Probe: the majority of hardness testing This device has an applications. Weight: 75g enlarged test tip, and an increased impact energy range (approx. 9 times the D, 72 ft-lb.). Can be used on lower quality finishes for DC-Probe: measuring hardness...
- Page 4 Table 2: Impact Device – D, DC Measuring Range LD:200-900 Material Steel 17.9-68.5 59.6-99.5 93-651 83-976 32.2-99.5 C.W. Tool Steel 20.4-67.1 80-898 Gray Cast Iron 93-334 Nodular Cast Iron 131-387 Cast Aluminum 30-159 Brass 13.5-95.3 40-173 Bronze 60-290 Copper 45-315 Table 3: Impact Device –...
- Page 5 Leeb Measuring Method History The Leeb measuring method was first brought into measurement technology in 1978. It is defined as the quotient of an impact body’s rebound velocity over its impact velocity, multiplied by 1000. Harder materials produce a higher rebound velocity than softer materials.
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Page 6: Pretreatment Of Samples
D, DC or D+15, the test surface should be polished until its roughness Ra is no more then 2µm. PHASE II SRG-1000 handheld surface roughness tester or any other suitable instrument may be used to measure the surface roughness of the sample material. - Page 7 Supporting a Test Sample When using optional impact devices DC or D+15 (Impact energy=9ft/lbs), please refer to the following support requirements: • For test samples weighing over 11 lbs. (5 kg), no support is required. • Samples having a cantilever or thin shell shape and weighing between 4.4 to 11 lbs.
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Page 8: Keypad Functions
Keypad Functions Operation of the Instrument Power On/Off Press any key EXCEPT C/M to power tester on. The LCD will display the same settings that were previously set. If the display meets your current testing requirements, you can start the test immediately. If not, you can enter your required settings using the keypad. - Page 9 Selecting a Material • While in the main test screen, press the button to scroll through the available Materials: 1. Steel and Cast Steel 2. Alloy Tool Steel 3. Stainless Steel 4. Grey Cast Iron 5. Nodular Cast Iron 6. Cast Aluminum Alloy 7.
- Page 10 Setting Memory Locations • The PHT-2000 automatically saves data in the memory. First test results will appear in memory 0001 and will continue to save test results in progressive order. There is no need to change any settings.
- Page 11 (2) Placement Place the support ring on the surface to be measured. The distance between two test points should not be less than 0.1 in (3mm) (Fig 10). Figure 10: Placement of Tester (3) Starting Press the release button on top of the unit while the work piece and tester is stable and the starting force coincides with the axis of the impact device.
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Page 12: Maintenance And Repair
Maintenance and Repair Avoid placing the PHT-2000 near locations where it can be exposed to shock, heavy dust, dampness, oils or strong magnetic fields. Impact Device • Using the included brush, clean the guide tube and impact body after it has performed 1000-2000 tests using the following procedure: Screw off the support ring and take out the impact body. - Page 13 ASTM Hardness Round Correction Factors Corrections to be added to test results in the following scales for various diameter parts Corrections to be added to Rockwell C, A, and D values Hardness Diameter of Convex Cylindrical Surfaces Reading 1/4 inc 3/8 in 1/2 in 5/8 in...
- Page 14 ASTM Hardness Conversion Chart Rockwell C Hardness Range Approximate Hardness Conversion Numbers for Non-Austenitic Steels, According to ASTM E-140 The Conversion Values contained herein should be considered approximate only and may be inaccurate for specific applications Vickers Knoop Brinell Tensile 150 kgt 60 kgt 100kgt...
- Page 15 ASTM Hardness Conversion Chart Rockwell B Hardness Range Approximate Hardness Conversion Numbers for Non-Austenitic Steels, according to ASTM E-140 The conversion values contained herein should be considered approximate only and may be inaccurate for Specific applications. Rockwell Superficial Rockwell Vickers Knoop Brinell Tensile Brinelll...
- Page 16 34.1 85.5 76.2 48.3 20.7 33.7 75.9 47.7 19.7 33.3 84.6 76.6 47.0 18.7 32.9 76.3 46.3 17.7 32.4 83.5 74.9 45.7 16.7 32.0 82.5 74.6 45.0 15.7 31.6 74.3 44.3 14.7 31.2 81.5 74.0 43.7 13.6 30.7 73.6 43.0 12.6 30.3 73.3...
- Page 17 The above tables are from ASTM E 18. Reprinted from the Annual Book of ASTM Standards, copyright American Society for Testing and Materials. 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 Phase II 283 Veterans Blvd Carlstadt, NJ. 07072 (201)933-6300...
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