CH4 Co H2s O2 4 Gas Detector, Hand-Held Portable Multi Gas Detector CD4 Coal Mine Gas Detector

Features
CH4 CO H2S O2 4 Gas Detector, Hand-Held Portable Multi Gas Detector CD4 Coal Mine Gas Detector
- Simultaneously detect 2~5 gases, including toxic gases, combustible gases, and oxygen measurement.
- Intrinsically safe, CE certified, CMExC certified.
- Portable and designed for industrial use with high sensitivity and accuracy.
- High-quality sensors imported from the UK.
- Fully configurable alarm points.
- Custom gas combinations, private labels, and logos available.

Applications
CH4 CO H2S O2 4 Gas Detector, Hand-Held Portable Multi Gas Detector CD4 Coal Mine Gas Detector
- Food & Beverage
- Automotive
- LNG & LPG
- Pharmaceutical
- Oil and Gas
- Petrochemical
- Water/Waste Water Treatment
- Metals & Steel Production
- Power Stations

Display
- OEM & ODM design by Beijing Dashiweiye Tech.
- Manufactured and produced by Beijing Shian Tech.




Accessories
Standard-
- USB extension cord
- Charging adapter
- Calibration mask and tube
- Stainless steel clip
- Hanging cord
- Carrying Holster
- English User's manual


Optional accessories
- Gas sampling pump with filter. (sampling hose and probe.)

- Data logger software, works for Windows 10, Windows XP, Windows 7. Available to output Excel file.

- Carrying suitcase. Hard-sided carrying case with foam case insert.


About Us
Beijing Shi'an Tech Instrument Co., Ltd is grown out of Beijing Dashiweye Technology Co., Ltd, and it's engaged in designing and manufacturing portable gas detectors.

Design & Moulding with 14 years' experience, we make solidest and most practical products

Stricter quality inspection - we pursue higher accuracy

Customization -- we customize the exact product in your heart
CH4 CO H2S O2 4 Gas Detector, Hand-Held Portable Multi Gas Detector CD4 Coal Mine Gas Detector

Ship Building Steel Plate

Marine Steel Plate refer to the steel used to manufacture the hull structure of sea-going ships and inland watercrafts, usually high-quality carbon steel and high-quality low-alloy steel. Marine steel plate is required to have certain strength, toughness, and low temperature resistance and corrosion resistance, as well as good welding performance.
General strength hull structure steel is divided into 4 grades: A, B, D, E. The yield strength (not less than 235N/mm^2) and tensile strength (400~520N/mm^2) of these 4 grades of steel The same, but the impact energy is different at different temperatures.
High-strength hull structure steel is divided into strength grades according to its minimum yield strength, and each strength grade is divided into A, D, E, F 4 grades according to its impact toughness.
Due to the harsh working environment of the ship, the hull of the hull is subject to seawater chemical corrosion, electrochemical corrosion, marine organisms, and microbial corrosion; the hull bears greater wind and wave impact and alternating loads; the shape of the ship makes the processing method complicated, so it is not Shipboard steel plates have strict requirements. First of all, good toughness is the most critical requirement. In addition, high strength, good corrosion resistance, welding performance, processing and forming performance and surface quality are required.
High strength shipbuilding steel grades include AH, DH, EH, and FH with a specified minimum yield point of 46 ksi [315MPa], 51 ksi [350MPa], or 57 ksi [390MPa].
Grades AH32, DH32, EH32 and FH32's yield strength is not less than 315MPa, and the tensile strength is 440~570Mpa. Grades AH36, DH36, EH36 and FH36's yield strength is not less than 355MPa, and the tensile strength is 490~620MPa. Meanwhile, the yield strength of AH40, DH40, EH40 and FH40 is not less than 390MPa, and the tensile strength is 510~660MPa.

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