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Calibration equipment and accreditation items

Calibration service by Daho

In 2014, Daho was certified as a calibration institution for the pressure and contact temperature field by Korea Accreditation Organization (KOLAS), the National Institute of Standards and Technology, Ministry of Knowledge Economy.

We have been supplying and installing on-site pressure, temperature, humidity and flow measuring instruments for domestic and overseas process industries such as overseas plant construction, domestic heavy chemical industry, hydraulic and hydraulic, medical and pharmaceutical, food and beverage industries We also have been engaged in manufacturing and import and export business together with one experience.

In the field of pressure, temperature, humidity and flow,

As a professional technician
With the most advanced calibration equipment
Based on KS Q ISO / IEC 17025, we have systematized calibration operation system
We will support and provide better measurement quality to domestic and foreign industry.

Introduction of Pressure Calibration Equipment

Europascal
Pneumatic DWT-BA2-70
Max. 70bar.
Europascal
Hydraulic DWT-BH2-D-1200
Max. 1200bar
Europascal
Hydraulic DWT-BH2-4000
Max. 4,000bar.
Agilent DC Power Supply &
Digital Multi Meter
Fluke Controller
PPC4EX-7M
7MPa abs & 700kPa abs
Fluke Controller
PPC4EX -100K
15kPa & 200kPa abs

Introduction of temperature calibration equipment

Fluke 1586A/1DS
Precision temperature
scanner
Fluke 3781 -80 ℃ to 110 ℃
Fluke 6331 40 ℃ to 300 ℃
Deepwell compact bath
Fluke 9118A
300 ℃ to 1200 ℃
ISO TECH B11-50-270
Water triple point cell
AccuMac 1860-25
Range: -200 ℃ to 670 ℃
Standard platinum
resistance thermometer
AccuMac 1760-20
Range: -200 ℃ to 670 ℃
Secondart Standard PRT
Fluke 7526A
Precision process calibrator
Fluke 1594A
Thermometry bridge

Calibration Accreditation Items

Pressure

Field Code	Instrument	Measuring Range	Calibration standard
20402	Manometers	(0 ~ 100) ㎪	Air Deadweight Piston Gauge BA2-70 : (0 ~ 7) ㎫ Oil Deadweight Piston Gauge BH2-D-1200 : (0 ~ 6) ㎫ BH2-D-1200 : (0 ~ 120) ㎫ BH2-4000 : (0 ~ 400) ㎫ Pressure ControllerController (Abs. Pressure & Gauge Pressure) PPC4EX-7M : (-100 ~ 700) ㎪ PPC4EX-7M : (0 ~ 7) ㎫ PPC4EX-100K : (-15 ~ 15) ㎪ PPC4EX-100K : (0 ~ 200, -100 ~ 100) ㎪ Digital Pressure Gauge LEO5 : (0 ~ 100) ㎫, (0 ~ 30) ㎫, (0 ~ 7) ㎫ XP2i : 0 ~ 3) ㎫, 2700G : (0 ~ 700) ㎪ Digital Multimeter, DC Power supply 34401A(Agilent), E3649A(Agilent)
20406	Absolute Pressure Gauges	Abs. Pressure (10 ~ 7000) ㎪
20408	Compound Pressure Gauges	(-90 ~ 7) ㎫
20409	Differential Pressure Gauges	(0 ~ 7) ㎫
20411	Gauge Pressure Gauge	(0 ~ 400) ㎫
20412	Pressure Transducers/ Transmitters	Abs. Pressure (0 ~7) ㎫ Compound Pressure (-100 ~ 100) ㎪ Gauge Pressure (0 ~ 400) ㎫
20413	Dial Type Vacuum Gauges	(-90 ~ 0) ㎪

Calibration Accreditation Items

Temperature

Field Code	Instrument	Measuring Range	Calibration standard
50101	Temperature Generators	Oven, Furnaces, Isothermal liquid baths, Dry-block calibrators (-39 ~ 1 100) ℃	Platinum resistance thermometer AccuMac / AM1860~25 (25Ω, -50~670℃) Standard Thermocouple S-Type (0~1100℃) Isothermal liquid baths FLUKE / 6331-256 (-80 ~ 110 ℃) FLUKE / 7381-26 (35 ~ 300 ℃) FLUKE / 6050H (180 ~ 550 ℃) Furnace FLUKE / 9118A-ITB-256 (0 ~ 1100 ℃) Precision Temp. Scanner FLUKE / 1586A SUPER-DAQ, Muntiplexer Multipurpose Calibrator Multipurpose Calibrator / Temp. Measuring Bridge Water Triple Point Cell ISOTECH / B11-50-270Q Standard Resistance(4 terminal)
50102	Temperature Indicators	(-39 ~ 1 100) ℃
50103	Glass Thermometers	(-39 ~ 250) ℃
50104	Resistance Thermometers	(-39 ~ 500) ℃
50105	Thermal Expansion Thermometers	(-39 ~ 500) ℃
50106	Nonmetal	(-39 ~ 1 100) ℃
50107	Temperature Transducers	(-39 ~ 1 100) ℃