美国NK公司历史(Nielsen-Kellerma)
理查德凯勒曼和保罗尼尔森（Richard Kellerman and Paul Nielsen）于1978年创办了NK。理查德在施乐公司担任物理化学家，当时教练泰德纳什招募他设计一种能简化舵手在河上工作的产品。在施乐公司的合伙人保罗尼尔森的合作下，理查德凯勒曼确信他可以创建一个单元来结合放大器，行程表和计时器的任务，以简化舵手的工作。创造了一架CoxBox放大器的想法来自于理查德在观看舵手在赛船会期间将他的船员带入桥梁后。
1984年
1984年，美国NK公司扩大了他们的产品线，包括最初的StrokeCoach行程表，专为scullers和直船设计，因此他们也可以知道他们的行程速度和时间。随着StrokeCoach的成功，NK为划船教练设计了Chronostroke速率和秒表，并开发和制造了Concept II划船机的原始监视器。随着这四种产品的开发，美国NK已经变得太大了，不适合理查德家的地下室。 1985年，美国NK在宾夕法尼亚州Marcus Hook的一家旧人造丝工厂居住，并在未来10年内开发了Pace Coach和SpeedCoach。在此期间，NK还重新设计了CoxBox，CoxVox和StrokeCoach，使其更小，更轻，更易于使用。
1996年
1996年，美国NK推出了一系列风速仪和气象仪，称为Kestrel®气象仪，从而扩展到全新的产品线。美国NK公司发展迅速，因此再次搬到位于宾夕法尼亚州切斯特的一个更大的工厂。在切斯特工厂（1996-2004）任职期间，美国NK共发布了4种型号的Kestrel气象仪，并在赛艇生产线上增加了另一种产品SpeedCoach Gold，并推出了Interval 2000RateWatch®适用于游泳和田径市场。
2009年
2009年，美国NK将其业务和设施扩展到位于宾夕法尼亚州Boothwyn的全新生产基地。随着NK不断增长的员工，划船产品线已经发展到包括易于使用的SpeedCoach XL。 CoxBox进行了另一次整容，使其更具吸引力和用户友好性。 Kestrel风速仪和气象仪系列通过推出五款新的特种茶隼表来实现多样化，以满足各行业专业人士的需求。
展望未来，美国NK永远不会满足现在的成功。目前正在开发和测试的许多新产品将在不久的将来推出。请务必留意本网站上最新的Nielsen-Kellerman。
Nielsen-Kellerman Company History
Richard Kellerman and Paul Nielsen established NK in 1978. Richard was working as a Physical Chemist at Xerox Inc., when Coach Ted Nash recruited him to devise a product that would simplify the coxswain's many jobs on the river. With the collaboration of Paul Nielsen, an associate from Xerox Inc., Richard Kellerman was convinced that he could create one unit to combine the tasks of an amplifier, stroke meter and timer to simplify the coxswain's job. The idea to create a CoxBox amplifier came to Richard after watching a coxswain run his crew into a bridge during a regatta.
1984
In 1984, NK expanded their product line to include the original StrokeCoach stroke meter, designed for scullers and straight boats so that they, too, could know their stroke rate and time. Following the success of the StrokeCoach, NK designed the Chronostroke rate and stopwatch for rowing coaches, and developed and manufactured the original monitor for the Concept II rowing machine. With the development of these four products, NK had grown too large for the basement of Richard's house. In 1985, NK took up residence in an old rayon-making factory in Marcus Hook, PA, developing the Pace Coach and the SpeedCoach over the next 10 years. During this time, NK also redesigned the CoxBox, CoxVox and StrokeCoach to be smaller, lighter and easier to use.
1996
In 1996, NK expanded into a completely new product line by launching a line of wind and weather instruments, called Kestrel® Weather & Environmental Meters. The company was growing rapidly, so once again it was time to move to a larger facility located in Chester, PA. During the tenure at the Chester facility (1996-2004), NK released a total of 4 models of Kestrel Weather & Environmental Meters, as well as added another product to the rowing line, the SpeedCoach Gold, and introduced the Interval 2000 Rate Watch® for the swimming and track and field markets.
2009
In 2009, NK expanded its business and facilities to a brand new manufacturing location in Boothwyn, PA. Along with NK's ever growing staff, the rowing product line has grown to include the easy-to-use SpeedCoach XL. The CoxBox got another facelift making it more appealing and user-friendly. The Kestrel Weather & Environmental Meters family diversified in order to meet the needs of various industry professionals by launching five new Specialty Kestrel Meters.
Looking toward the future, NK is never one to rest on its success. There are many new products currently under development and testing that will become available in the near future. Be sure to keep an eye on this website for the very latest from Nielsen-Kellerman.
