About Us

About Instek America
Instek America, a subsidiary of GW Instek, was founded in Southern California in 1991. With over 40 years of experience, GW Instek has built a solid reputation in the measuring & testing equipment market. Over the years, GW Instek has provided total customer satisfaction to our customers around the world by following our guiding principles: Quality and Reliability with Affordable price. Instek America's facility, which includes a fully stocked warehouse and a technical service and applications support center, is located in Montclair, California just east of Los Angeles.



Instek America Corp.
  1. 5198 Brooks Street, Montclair, CA 91763
  2. Tel: +1-909-399-3535
    Fax: +1-909-399-0819
    Contact Email: sales@instekamerica.com
    Business Hours: Monday–Friday 8:30 am–5:00 pm Pacific Time
  3. Operations and Administration
  4. David Hsiung - VP/General Manager
    Felicia Chen - Controller
    Kenneth Ho – Service Manager / kho@instekamerica.com
  5. Sales Department
  6. sales@instekamerica.com
    Sales: Johnson Huang johnson_huang@instekamerica.com
    Rick Parizot rparizot@instekamerica.com 
    Application Manager: Hector Aguilar Haguilar@instekamerica.com
    Repair/Cal. Service: Kenneth Ho: Kho@instekamerica.com
    Inside Sales: Veronica Chavez: Vchavez@instekamerica.com
    Inside Sales: Manuel Solis msolis@instekamerica.com



Top 10 things to remember about GW INSTEK

  • Founded in 1975, Goodwill Instrument becomes first manufacturer in Taiwan for T&M products. INSTEK America wholly owned subsidiary of Goodwill founded in 1991 - City of Industry, California.
  • GW INSTEK has three manufacturing plants - all ISO-9001: 2000 Certified with more than 100 design engineers and over 300 products from T&M to Video Surveillance Systems.
  • Product offering is in 5 Major product groups - Oscilloscopes, Spectrum Analyzers, Signal Sources, Power Supplies and Basic T&M Instruments such as Hi-Pot Safety Testers and LCR Component Testers. All Products are listed with CE safety seal. 2014 Test Catalog is color coded for easy navigation.
  • GSP-730, a 3GHz Spectrum Analyzer, and GRF-1300A, a communications trainer were developed to provide Educator's with an economic turnkey solution for RF Communication learning and course experiments.
  • AFG2000 Series - low cost Arbitrary Function Generators from 5, 12 and 25MHz. Pulse generator capable with 1% to 99% duty cycle settings. 2Ch AFG2225 is one of the best selling entry -level Arbs made available to Engineers, Educators and Hobbyist.
  • PSW and PSB Series are fully programmable Auto-ranging power supplies with power capability of 360, 720, 800 and 1080W. Great for Semiconductor, Battery and LED Industry.
  • GPT-9600, 9800 and 9900 Series are Electrical Safety testers also known as "HiPot" testers. Designed for high durability and User's protection. These HiPot testers look to meet a variety of safety standards such as IEC, EN UL, CSA, GB and JIS requirements. Power ratings of 100VA, 200VA and 500VA with multifunctional testing for Insulation Resistance[IR] and Ground Bonding [GB] of electronic parts.
  • GDS-2000A Series VPO Oscilloscopes offer 8" high resolution displays, 2 and 4 channels and wide bandwidth from 70MHz to 300MHz. 2Gs/s sample rates. All models have Mixed Signal capability and built in Serial Bus decode.
  • 2012 Winner of Taiwan Excellence Award for Four Series Products. GDS-1000-U digital oscilloscopes, AFG-3000 high resolution arbitrary function generators, PEL-2000 programmable electronic loads and GDS-8261A 6-1/2 digit bench DMM with GPIB and Scanner option.
  • Education Sales Program – Orders from qualified educational institutions will be allowed a 5% discount on US MSRP of GW INSTEK Products.