Digital Hardness Tester for Field or Laboratory Applications

DHT-20

Digital Hardness Tester | Hardness Tester

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Conforms to ASTM A956
Quick and Reliable
Wide Measuring Range in HL Value and Direct Display of Converted Hardness Values in Rockwell HRB, HRC, Vickers HV, Brinell HB, and Shore HS
Impact Device Provides Testing at Any Angle, Even Upside Down
1250 Data Point Internal Memory
Date and Time Display
Low-High Settings
RS232 Output Jack with PC Data Logging Kit Includes RS232 to USB Adaptor
Auto Power Off (Can be Disabled for Data Logging)
Typical Applications:
Measuring Surface and Coating Hardness
Permanent Installations in Machine or Assembly Systems
Monitoring Molding Surface of Dies
Measuring Bearings and Other Production Parts in the Assembly Line
Quality Assurance Test Records

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Description

The DHT-20 is an advanced portable hardness tester, characterized by its high accuracy, wide measuring range and simplicity of operation. It’s designed to measure the hardness of ordinary metals and is widely used in quality and test and measurement laboratories in industries such as petroleum, chemical processing, machinery, heat treating, and electric power.

The DHT-20 uses the Leeb Hardness testing procedure. To determine the target’s Leeb hardness value, a parameter designated HL, is determined by using the plungers rebound velocity and an algorithm in the DHT-20. These can be displayed in a variety of units. The operator’s manual includes a hardness table of typical industrial materials as a reference guide.

Specifications
Measurement: Leeb hardness measurement
Measurement Accuracy: ±0.5%
Relative Repeatability Accuracy: ±0.8%
Memory: 1250 readings
Display: 112 x 64 pixel LCD
Hardness Scales: HL/HRB/HRC/HV/HB/HS
Materials: Most common metals including; Steel/cast steel, alloy tool steel, stainless steel, grey cast iron GG, nodular cast iron, cast aluminum, copper-zinc brass, copper aluminum, wrought copper
Display Options: Hardness scale, hardness value, times, average indicator and average value, impact direction, type of impact device connected, memory reference, date, time, battery power consumption
Auto Off: 2 minutes of no activity
Working Environment: 0 to 45°C (32 to 113°F)
Dimensions: 108 L x 62 W x 25 mm D (4.25 x 2.44 x 1")
Display: 48 L x 28 mm W (1.88 x 1.12")
Weight: 180 g (6.4 oz) including impact device and printer
Power Source: 2 “AAA” batteries (included)

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DHT-20

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Digital hardness tester

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Note: Comes complete with DHT-20, hard carrying case, soft case for display, hardness probe, standard hardness test block (797HLD), RS232 to USB adaptor, mini CD with software, 2 “AAA” batteries and operator’s manual.