美国Rex Gauge DD-3-DO，DD-3-C，DD-3-O，DD-3-OOO，DD-3-M，DD-3-OO，DD-3-OO-RSS，DD-3-E，DD-3-SP电子硬度计
型号：Digital DD-3
电子硬度计
Available ASTM Types: A, D, B, C, DO, E, M, O, OO, OOO, and OOO-S
尺寸: 2.25" x 6.125"H
重量: 7.15 oz.
特征:
包含NIST标准鉴定证书
符合ASTM D-2240标准
一年质保
定做携带式仪器箱
高低按钮设置公差范围
固态电路，LCD显示
交流电源插座，含电池
快速反应
保持读取直到重设
0.1解析度
标度盘可旋至270°
附件：软件，打印机
描述:
The Rex DD-3 Digital Durometer is the successor to the popular Rex DD-1. With its impressive list of features, the DD-3 is truly state-of-the-art, and is the ideal instrument for lab use. Some of the new features are: a new, larger direct drive LCD display, RS232 data ports for computer compatibility, a locking feature to prevent accidental erasure of tolerances, automatic shutoff, low battery warning, and new accessories such as MTI and SPC type printers, audio attachments and software.
特征：
Includes NIST Calibration Certificate
Conforms to ASTM D-2240
One Year Warranty
Custom Made Carrying Case
High and low buttons for setting tolerance limits
Solid state circuitry with LCD display
AC Adapter and Batteries Included
Response speed is immediate
Holds reading until reset
0.1 resolution
Dial rotates up to 270°
Accessories also available: Software, Printer
| DUROMETER TYPES | APPLICATIONS | INDENTOR SHAPE | MAIN SPRING |
| TYPE A
(ASTM D2240) | Soft rubber, plastics, and elastomers, printer's rolls. | Flat Cone Point 35° Included Angle | 822 GM 1.81 LB. |
| TYPE D
(ASTM D2240) | Hard rubber and plastics such as thermo plastics, flooring and bowling balls. | Sharp Cone Point 30° Included Angle | 4536 GM 10.0 LB. |
| TYPE B
(ASTM D2240) | Harder elastomers and plastics. Paper and fibrous materials, Use above 93 Duro A. | Sharp Cone Point 30° Included Angle | 822 GM 1.81 LB |
| TYPE C
(ASTM D2240) | Medium hard elastomers and plastics. Also useful to avoid surface marks. | Flat Cone Point 35° Included Angle | 4536 GM 10.0 LB |
| TYPE DO
(ASTM D2240) | Dense granular material, textile windings. | 3/32" Spherical | 4536 GM 10.0 LB |
| TYPE O
(ASTM D2240) | Very soft elastomers, textile windings, soft granular materials. Use below 20 Duro A. | 3/32" Spherical | 822 GM 1.81 LB |
| TYPE OO
(ASTM D2240) | Light foams, sponge rubber gels, animal tissue. | 3/32" Spherical | 113 GM |
| TYPE OOO
(ASTM D2240) | Ultra soft gels and sponge rubber. | 1/2" Spherical | 113 GM |
| TYPE M
(ASTM D2240) | Materials as thin as .050" | Sharp Cone Point 30° Included Angle |
