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HLN-11A里氏硬度計(jì)|時(shí)代HLN-11A里氏硬度儀|HLN-11A 硬度測(cè)量儀
HLN-11A里氏硬度計(jì)是時(shí)代集團(tuán)(TIME/TIMES)生產(chǎn)的一種新型的硬度測(cè)試儀器。HLN-11A里氏硬度計(jì)它是根據(jù)新的里氏硬度測(cè)試原理(Dietmar Leeb)利用先進(jìn)的微處理器技術(shù)設(shè)計(jì)而成。HLN-11A里氏硬度計(jì)具有測(cè)試高、體積小、操作容易、攜帶方便，測(cè)量范圍寬的特點(diǎn)。HLN-11A里氏硬度計(jì)它可將測(cè)得的HL里氏硬度值自動(dòng)轉(zhuǎn)換成布氏硬度、洛氏硬度、維氏硬度、肖氏硬度等硬度值并打印記錄，它還可配置適合于各種測(cè)試場(chǎng)合的配件。HLN-11A里氏硬度計(jì)可以滿足于各種測(cè)試環(huán)境和條件。
HLN-11A里氏硬度計(jì)是時(shí)代集團(tuán)(TIME/TIMES)生產(chǎn)的一種新型的硬度測(cè)試儀器。HLN-11A里氏硬度計(jì)它是根據(jù)新的里氏硬度測(cè)試原理(Dietmar Leeb)利用先進(jìn)的微處理器技術(shù)設(shè)計(jì)而成。HLN-11A里氏硬度計(jì)具有測(cè)試高、體積小、操作容易、攜帶方便，測(cè)量范圍寬的特點(diǎn)。HLN-11A里氏硬度計(jì)它可將測(cè)得的HL里氏硬度值自動(dòng)轉(zhuǎn)換成布氏硬度、洛氏硬度、維氏硬度、肖氏硬度等硬度值并打印記錄，它還可配置適合于各種測(cè)試場(chǎng)合的配件。HLN-11A里氏硬度計(jì)可以滿足于各種測(cè)試環(huán)境和條件。
HLN-11A里氏硬度計(jì)的標(biāo)準(zhǔn)配備沖擊裝置：
| 沖擊裝置名稱 | 用途 |
| 沖擊裝置D | 用于大部分硬度測(cè)量 |
| 沖擊裝置DC | 用于非常局促地方(孔內(nèi)、圓柱園內(nèi))的測(cè)量 |
| 沖擊裝置D十15 | 用于溝槽內(nèi)或凹入的表面硬度測(cè)量 |
| 沖擊裝置E | 用于極高硬度，碳化物含量高的工具鋼的硬度測(cè)量 |
| 沖擊裝置C | 用于表面硬化了的部件，表面覆蓋層，薄壁的硬度測(cè)量 |
| 沖擊裝置G | 僅用于布氏硬度650HB范圍內(nèi)的密實(shí)部件的硬度測(cè)量 |
| 沖擊裝置DL | 用于深槽槽底或型面（如齒面）等零件的測(cè)量 |
HLN-11A里氏硬度計(jì)的主要技術(shù)參數(shù)：
| 示值誤差 | 相對(duì)誤差±0．8％(LD=800時(shí)) |
| 示值重復(fù)性誤差0．8％(LD=800時(shí)) | |
| 硬度被測(cè)材料 | 鋼和鑄鋼、合金工具鋼、灰鑄鐵、球墨鑄鐵、鑄鋁合金、銅鋅合金(黃銅)、銅錫合金(青銅)、純銅等 |
| 強(qiáng)度被測(cè)材料 | 碳鋼、鉻鋼、鉻釩鋼、鉻鎳鋼、鉻鉬鋼、鉻錳硅鋼、超高強(qiáng)度鋼、不銹鋼 |
| 工作溫度 | 0--40℃ |
| 工作電壓 | 4.7V--6.0V |
| 測(cè)試方向 | 任意 |
| 整機(jī)重量 | 0．675Kg(標(biāo)準(zhǔn)配置：硬度計(jì)主機(jī)十打印裝置十沖擊裝置D) |
| 外形尺寸 | 270×86×47（mm） |
| 充電工作時(shí)間 | 約24小時(shí) |
HLN-11A里氏硬度計(jì)的測(cè)試及換算范圍：
| 沖擊裝置D、DC | |||||
| HRC | HRB | HB | HV | HSD | |
| STEEL鋼和鑄鋼 | 17.9-68.5 | 59.6-99.5 | 93-651 | 83-976 | 32.2-99.5 |
| SWT.ST合金工具鋼 | 20.4-67.1 | \ | \ | 80-898 | \ |
| GC.IRON灰鑄鐵 | \ | \ | 93-334 | 80-898 | \ |
| NC.IRON球墨鑄鐵 | \ | \ | 131-387 | \ | \ |
| C.ALUM鑄鋁合金 | \ | \ | 30-159 | \ | \ |
| BRASS(黃銅)銅鋅合金 | \ | 13.5-95.3 | 40-173 | \ | \ |
| BRONZE(青銅)銅錫合金 | \ | \ | 60-290 | \ | \ |
| COPPER純銅 | \ | \ | 45-315 | \ | \ |
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 | ~ |
