Leeb Hardness Tester
1.LCD screen and light weight
2.Based on the Richter
3.Test block with calibration certificate
4.700g
Port: qingdao
Minimum Order Quantity: 1 Set/Sets
Supply Ability: 100 Set/Sets per Day
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: wooden cases
Delivery Detail: within 7 days after the confirmed order
Model HL-250 Digital Leeb Hardness Tester
Application &Feature
Model HL-250 Portable Digital Leeb hardness tester is an economy Leeb hardness tester with a LCD screen and light weight.
1. Based on the Richter, test various metal materials, values are stable;
2. Free conversion between varieties of standard hardness;
3. Lower and upper limits setting with low-high display judge;
4. 8 different kinds of impact device are available; distinguish automatically, no need calibration;
5. 128*64 dot matrix LED display, easy to use under the dark environment;
6. USB interface;
7. Low-power design, auto sleep, auto shutdown;
8. Fully enclosed metal shell, anti-jamming;
9. Alkaline battery with working 100 hours continuously (without backlight).
Specification
| Item | Parameter | |
| Display LCD | 128 * 64 LCD | |
| Display Functions | Impact direction, Date, Time, Battery power status, Memory reference, Hardness scale, Hardness value, Average value, Max/ Min value, Material, Type of impact device connected, measurement times, operating instruction | |
| Accuracy | Within ±0.5% (at HLD=800) | |
| Determination of direction: | 360 degrees | |
| Hardness Parameter | Richter (HL), Brinell (HB), Rockwell A (HRA), Rockwell B (HRB), Rockwell C (HRC), Vickers (HV), Shaw (HS) | |
| Measuring Range/Materials | Range: HLD (170 ~ 960) HLD Measuring material: steel and cast steel, alloy tool steel, stainless steel, gray iron, ductile iron, cast aluminum, copper and zinc alloy (brass), copper-tin alloy (bronze), copper, forged steel | |
| Tensile Strength | From 370 to 2000(106N/mm≈) | |
| UTS range(steel only) | Thickness coupled: Minimum 3mm or more( Impact device G:10mm) | |
| Testable work piece | Mass:5kg or more(2-5kg on solid support, 2KG with coolant paste) Surface roughness: Ra 10 Radius(convex/ concave): Ra 10 Radius(convex/concave): Rmin=30mm or more (30mm with support ring) Test Points:5mm or more from the edge of the sample, 3mm or more to each of the tested point. | |
| Operating Impact Device | D/DC/D+15/DL/C/G | |
| Impact Device Recognize | Automatically | |
| Memory Extended | up to 500 groups (n impact times 32 ~ 1) | |
Output | RS232 interface or Built-in mini-printer | |
Limitation | Upper or lower limitation | |
Shutdown | 2min, 5min, 8min or never shut down selection | |
User Defined | Defined the measurement conditions | |
Power supply | 6V Ni-MH battery pack; charging power: 9V/500mA; charging time from 2.5 to 3.5 hours of continuous work time: about 100 hours (without backlight) | |
Operating temperature | -20°C ~ +50°C | |
Dimensions | 215×140×45mm | |
Wight | 700g | |
Standard Delivery
Main Unit
Impact Device type D
Test block with calibration certificate
Power adapter
Small supporting ring
Cleaning brush
High block and certificate
Software
Operation manual
2AAA batteries
Optional Accessories
Impact D,C,DC,D+15,DL,G
Shaped support ring
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