HLN-11A里氏硬度计|时代HLN-11A里氏硬度仪|HLN-11A 硬度测量仪
HLN-11A里氏硬度计是时代集团(TIME/TIMES)生产的一种新型的硬度测试仪器。HLN-11A里氏硬度计它是根据最新的里氏硬度测试原理(Dietmar Leeb)利用最先进的微处理器技术设计而成。HLN-11A里氏硬度计具有测试精度高、体积小、操作容易、携带方便，测量范围宽的特点。HLN-11A里氏硬度计它可将测得的HL里氏硬度值自动转换成布氏硬度、洛氏硬度、维氏硬度、肖氏硬度等硬度值并打印记录，它还可配置适合于各种测试场合的配件。HLN-11A里氏硬度计可以满足于各种测试环境和条件。

HLN-11A里氏硬度计的标准配备冲击装置：

HLN-11A里氏硬度计的主要技术参数：

HLN-11A里氏硬度计的测试及换算范围：

Metal Hardness Tester Model HLN-11A

Features of HLN-11A

• D probe is for standard use.
• DC probe is short and is convenient in small space.
• DL type is used in confined surfaces such as gear wheels.
• D+15 type is for measuring in grooves or recessed surfaces.
• C type is used on surface-hardened, coated, thin-walled or impact sensitive components.
• G type is used on heavy and rough cast and forged work pieces.

Specifications of HLN-11A (with impact device D)

Measuring accuracy	±0.8% of reading at LD=800
Repeatability	0.8% of reading at LD=800
Minimum sample weight	4.4 lb (2 kg)
(if coupled)	0.22 lb (100g)
Minimum sample thickness	0.2 in(5mm)
(if coupled)	0.1 in(3mm)
Minimum radius of curved surface	1.2 in (30mm)
(with support rings)	0.4 in (11mm)
Min. thickness of hardened surface	0.8mm
Maximum sample hardness	900HLD(68HRC)
Hardness measurement value	HLD, HRC, HRB, HB, HV and HSD
Automatic calculation	Average test value
conversion of hardness value to strength value (s)
Onboard memory	9 data
Standard impact device	Model D
Optional impact device	DC, DL, D+15, C, G
Automatic identification of impact device
Impact direction	0°, ±45°, ±90°
Tungsten carbide test tip
Operating voltage	5.0V NiMH rechargeable batteries
Operating temperature	Processor 4.7°F to 104°F Probe -4°F to 248°F
Weight	approximate 1.4 lb
Dimentions	10.6 x 3.4 х 1.8 in (270 х 86 х 47mm)
Compact carrying case
removable micro printer

Features of HLN-11A

Model:	D/DC/DL	D+15	C	G
Impact energy:	11Nmm	11Nmm	2.7Nmm	90Nmm
Mass of the impact body:	5.5 / 5.5 / 7.3g	7.8g	3.0g	20g
Probe diameter:	20/20/5mm	20mm	20mm	30mm
Probe length:	147/86/202mm	162mm	141mm	254mm
Probe weight	75/50/87g	80g	75g	250g
Max. hardness of sample:	940/940/950HV	940HV	1000HV	650HB
Preparation of surface:
Roughness class ISO	N7	N7	N5	N9
Max. roughness depth Rt.	10µm	10µm	2.5µm	30µm
Average roughness Ra	2µm	2µm	0.4µm	7µm
Min. weight of sample:
Of compact shape	5kg	5kg	1.5kg	15kg
On solid support	2kg	2kg	0.5kg	5kg
Coupled on plate	100g	100g	20g	500g
Min. thickness of sample:
Coupled	3mm	3mm	1mm	10mm
Min. thickness of layers	0.8mm	0.8mm	0.2mm	1.2mm
Test tip:
Hardness	1600HV	1600HV	1600HV	1600HV
Diameter	3mm	3mm	3mm	5mm
Material	Tungsten carbide
Indentation:
Diameter -with 300 HV	0.54mm	0.54mm	0.38mm	1.03mm
Depth -with 300HV	24µm	24µm	12µm	53µm
Diameter -with 600 HV	0.54mm	0.54mm	0.32mm	0.90mm
Depth -with 600HV	17µm	17µm	8µm	41µm
Diameter -with 800 HV	0.35mm	0.35mm	0.35mm	~
Depth -with 800HV	10µm	10µm	7µm	~