型號：Digital DD-3 
電子硬度計

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標準鑒定證書

符合ASTM D-2240標準

一年質保

定做攜帶式儀器箱

高低按鈕設置公差范圍

固態電路，LCD顯示

交流電源插座，含電池

快速反應

保持讀取直到重設

0.1解析度

標度盤可旋至270°

附件：軟件，打印機

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