History

1991

Daehan Instruments Co., Ltd. founded (1991.11)

  • Started as a specialist manufacturer of DP flow meters
  • 1993.08 Selected as an Advanced Technology Company by the Ministry of Commerce, Industry and Energy (MOCIE)
1995

In-house developed products launched

  • 1995.07 Cone-type venturi meter developed
  • 1995.08 Averaging pitot tube (Average Pitot Tube) developed
2003

China government CPA type approval (2003.08)

  • Cone meter DHAV-CC01 type approval (2003-F240)
  • 2005.04 Flow velocity meter for TMS certified · 2005.08 MOLAB Clean Workplace certification
2009

Management innovation · export achievements

  • 2006.12 Selected as a Management Innovation Company by the Small and Medium Business Administration · 2009.02 INNO-BIZ certification
  • 2009.11 USD 3 Million Export Tower award at the 46th Trade Day
2010

Additional China CPA approvals · safety certification

  • 2010.04 KOSHA explosion-proof certification
  • 2010 Wedge meter DHWM-F/T (2010-F145) · 2011 Venturi tube DHOV-FF (2011-F249) CPA type approval
2012

R&D center established · international certifications

  • 2012.01 Corporate R&D center established · 2012.05 ABS (American Bureau of Shipping) welding procedure approval
  • 2012.08 ISO 9001 / ISO 14001 certification · 2012.12 Promising Export SME certification
2014

ASME certification · eco-friendly ship project

  • 2014.11 Doosan Engine Delnox project development contract (delivered 2015.08)
  • 2014.12 ASME certification (PP, S, U Stamp) obtained · 2015.12 PED certification
2016

Tier-1 supplier · patents

  • 2016.01 Selected as sole tier-1 supplier to HSD Engine (formerly Doosan Engine)
  • 2017.10 Patent registered (averaging pitot tube type flow measuring device)
2019

Materials, Parts & Equipment specialist company

  • 2018.11 Confirmed as a Materials, Parts & Equipment specialist company · 2019.10 Convergence technology development project judged successful
  • 2020.12 Gyeonggi-do Promising SME certification
2021

Certification renewals · direct production confirmation

  • 2021.06 Direct Production Confirmation Certificate (flow meters) · 2021.07 ISO 9001/14001 renewed
  • 2021.08 ASME recertification

Key Achievements

🏭

Production Capability

  • Stable supply of a wide range of flow meter products
  • Focus on on-time delivery and quality control
🌍

Global Network

  • Export experience to many countries in Asia, Europe and the Middle East
  • Expanded technical support network with overseas partners
🔬

Technical Innovation

  • Continuous improvement through in-house R&D;Continuous design improvement through in-house R&D
  • Product development based on the international standard (ISO 5167)

Management Philosophy

"We develop the products the field needs with appropriate technology,
and supply flow measurement products of good quality at reasonable prices."

Based on sincerity in technology and trust with our customers,
we pursue steady and sustainable growth.

R&D status

📜

Patents held

  • 9 Korean registered patents and 1 US patent related to flow meters and devices
  • 1 registration and 3 applications related to smart factory
🚢

Venturi for eco-friendly ships

  • Venturi tubes developed for marine engine exhaust NOx reduction (Delnox) systems
  • Delivered to 15 ship projects as a tier-1 supplier to HSD Engine
🔬

Calibration · verification

  • Venturi flow calibration tests performed at CEESI (USA)
  • Venturi tubes supplied for the KAERI reactor coolant test facility (RCPTF)

Company Overview

  • Founded: November 1991
  • Main field: Development and manufacture of precision flow measurement equipment
  • Standards: ISO 5167 international standard