这是一款美国PTC硬度计409型的，此款硬度计为指针式，可测量硬橡胶，丙烯酸酯，聚甲醛等，符合ASTM D2240标准，指针240度转动，阅读容易，规格ASTM A，B，C，D，DO及O精度正负1刻度，附设最高计数指针，NIST证书要另购，下面是PTC硬度计英文的简介：

PTC® 409 Durometer ASTM Type D

For Hard Rubber, Acrylic, Delrin, Kevlar, PVC, Nylon, Lexan, and Epoxies

PTC® INSTRUMENTS manufactures a full line of durometers and durometer accessories and offers calibration, repair and certification services. These durometers are available to ASTM D2240, ASTM F1957, JIS K-6301, JIS K-6253, DIN-53505, ISO-7619 and ISO-868 standards including many custom configurations. Our sales department will help you determine the correct durometer for your application. We also offer material testing to determine the correct durometer type and style for your application at no charge. 

PTC硬度计All PTC® Durometers are manufactured in the U.S.A. 

Specifications PTC® 409

1. Model 409 Meets or exceeds ASTM D2240 Specifications.
2. Range (ASTM Type D) 0 to 100 points.
3. Accuracy ± point.
4. Dimensions:
5. Height 4 in. (10.2 cm).
6. Width 2-1/4 in. (5.7 cm).
7. Depth 1-3/4 in. (4.4 cm).
8. Weight 6 oz. (170 g).
9. Shipping weight 3 lb. (1.4 kg).

PTC硬度计The Model 409 has an aluminum die-cast case that tapers to a 1" x 1" base, a removable mounting knob for comfortable handheld use and comes complete with a magnetic max hand for indicating peak readings, test block, and carrying case. This instrument features an easy-to-read dial for faster and more accurate readings. 
The PTC® Ergo Style Durometers are manufactured to meet or exceed current ASTM D2240 specifications for Type D durometers and designed to measure indentation hardness of hard rubber, plastics, and substances such as acrylic, delrin, kevlar, pvc, nylon and lexan. These durometers can be used either with a test stand or as hand-held testers.

本公司还销售的品牌有：

1．  日本HTD富士丝攻

2．  日本OSG欧士机丝攻

3．  美国PREMIER刀具，钻嘴

4．  CNC夹具

5．  日本TOKAI元刀

6．  日本EIGHT六角匙

7．  美国NICHOLSON锉刀

8．  以色列NOGA修边器，刮刀

9．  瑞士SYLVAC数显卡尺

10．              德国DIATEST小孔量规

11．              WIDIA刀片

12．              YAMAWA丝攻，钻头，板牙

13．              德国MSTK钨钢铣刀

14．              台湾SUS钻头

15．              STK刀具

16．              UNC垫片

17．              BORIDE必宝油石

18．              日本红鹰砂纸

19．              XEBEC纤维油石

20．              台湾JETON高压喷嘴

21．              日本ASK株式会社压力表

22．              美国LOC-LINE导流管，油管，冷却管，组合管，节竹管

23．              KORI量表A10

24．              CITIZEN界线千分表

25．              德国KROEPLIN内外径卡规

26．              SK针规

27．              MARUI角度计规

28．              PEAK放大镜

29．              SATO温湿度计，PC-5000

30．              FUJIGEN刀片，倒角刀

31．              TSUBOSAN锉刀

32．              NSK电动磨具

33．              ASKER硬度计

34．              得乐TECLOCK百分表，杠杆表，深度计

35．              IMADA推拉力计

36．              PEACOCK各式量表

37．              UNIVERSAL同心度测定仪

38．              东日TOHNICHI扭力扳手

39．              瑞士SYLVAC千分尺

40．              APIEZON真空油脂

41．              CASTLE声级计

42．              CHATILLON数显测力计

43．              COMARK压力计，C9555，C9553，C9551

44．              DELMHORST水分计

45．              LUTRON照度计

46．              PLATON流量计

47．              REDLION计数器

48．              REGINE镊子

49．              SHINKO精密电子天平

50．              TMC温度贴片

51．              DK压力表

52．              TECH-MO水质计

53．              SUGAWARA转速计，频闪仪

54．              OBISHI精密水平仪

55．              ONO SOKKI小野计器GS-1813位移传感器

56．              韩国TEC砂轮

57．              日本SB纤维油石

58．              HAYASHI强光灯，冷光装置SPA-10SW

59．              三高SANKO膜厚仪

60．              共立理化学研究所

61．              日本ASEY温度贴纸，温度试纸，测温片

62．              日油技研工业株式会社