Wholesale Discount Hight Frequency Welding Machine - Pressure gauges (acetylene, oxygen) – Yomi
Wholesale Discount Hight Frequency Welding Machine - Pressure gauges (acetylene, oxygen) – Yomi Detail:
(1) Check whether the seal of the instrument is intact before use, and whether the specification is suitable.
(2) When measuring the steady pressure, the instrument shall not exceed 3/4 of the upper limit of instrument measurement. When measuring fluctuation pressure, the instrument shall not exceed 2/3 of the upper limit of instrument measurement.
(3) The instrument should be stored in the ventilated and dry room, the indoor air should be clean, and there is no corrosion to the instrument.
(4) The vibration condition of the instrument working normally should not exceed level V.H.3 of GB4439 – 84, (when the frequency f is less than 57-62HZ, the displacement amplitude Fs is less than 0.075mm; when the frequency f is greater than 57-62HZ, the acceleration amplitude Fa is less than 10m/s)
(5) The instrument is suitable for use in places where the ambient temperature is between -45℃to +60℃ and the relative humidity is not greater than 80%.
(6) The instrument in use must be checked regularly, at least once every six months.
(7) Filter should be added when solid inclusions are contained in the tested medium.
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By Elma from Rwanda - 2016.04.18 16:45
Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
By Marina from Kuala Lumpur - 2015.12.22 12:52