30 Piece Specimen Comparator&Roughness Comparator (30 pcs/set) of roughness tester
Roughness Comparator (30 pcs/set)
This set contains standards of the six most important machining methods in the prevalent “AA” values. These surface roughness is used to compare and determine the degree of the surface finish by comparision method and eye estimation or magnifying glass.The surface rough contast blocks is made of 45 super carbor steel except the GCr15 which is using to plat lapping the sample block. All 30 speciments are calibrated in u”AA (Arithmetical Average) and in the metric equivalents um Ra.
About US
TMTeck Instrument Co., Ltd.(hereafter:TMTeck) is a leading NDT manufacturers and suppliers in Beijing China and provides innovative technologies and comprehensive know-how to benefit customers in a lot of countries around the world.Till now,TMTeck has been active in the areas of technology-driven inspection solutions that deliver productivity, quality and safety.
Began from the Ultrasonic Transducers and Coating Thickness Gauge ,now TMTeck has developed more than 10 series of testing instruments, including Ultrasonic Flaw Detector, Coating Thickness Gauge,Hardness Testers,Ultrasonic Thickness Gauge ,their accessories and other NDT instruments. These products are widely used in the analysis of materials that enable our customers to monitor, control and validate their critical processes and applications,also our goods has CE certificates.
TMTeck is committed to the maintenance of long-term partnership with our clients by offering unparalleled services, technology advice and assistance. We design and produce a wide range of high performance NDT equipment and accessories. With our continued emphasis on customer focus and global competitiveness, TMTeck has always been one of the top tier of world class companies when it comes to leading in NDT equipment. And we are developing new series products according to the market demand. We can offer good guarantee for our customers.
Our History
2007, TMTeck Manufacturing Limited was founded ,our first kind of product launched successfully– series of coating thickness gauge
2008, series of ultrasonic flaw detector come out, enjoying high reputation in European and American countries.
2009, series Leeb Hardness Tester come to market successfully, the market reated strongly.
2010, our Beijing company TMTeck Instrument Co., Ltd was founded.
2011 , the flagship product –Ultrasonic Thickness Gauge successfully developed, drive the performance more than one million
2014, successfully developed the technology to make all kinds of ultrasonic probes that can meet the needs of GE, OLYMPUS and other western countries’ instruments.
2015, The most attractive products – A & B Scan TM281 series Ultrasonic Thickness Gauge come out .spoken high from the customers.
2016, our factory Moved new industrial area, factory workshop is 300m², Greatly increased production capacity
Our Service
1. Our company’s product can be repaired free of charge within two year. Also the produc’s whole life’s repair.
2. If the product is demand within the guarantee period (except non-repair accessories), please send the product back for repair by right of guarantee card. If the product damage date is overdue, our company will charge for repair.
3. If the product has been subject to abuse, accident, alteration, modification, tampering, neligence, misuse, or has been repaired or serviced by anyone not authorized to render such service, or didn’t have the guarantee card, our company will not be responsible for repair.
4. The user should fill out this card and send back to the company that bought the product, otherwise, the product can’t be repaired free of charge
