Pressure Gauge Use, Maintenance And Repair

1, explosion-proof junction pressure gauge should be in the surrounding environment - 20 degree to 40 degree , relative humidity is not more than 80 percent , altitude below 2000 m, in according to the loading address, monthly average temperature is not higher than 30 degree , because of the change of temperature, allowing the pressure gauge of explosion-proof contact pressure gauge coagulate frost, measured medium temperature < 70="" ℃,="" (if="" used="" in="" the="" high="" temperature="" medium="" measurement="" such="" as="" steam,="" should="" choose="" heat-resistant="" explosion-proof="" electric="" contact="" pressure="">
2, explosion-proof device must be straight contact pressure gauge, and strive to insist on measuring points at the same level position, otherwise should be included in the additional error caused by liquid level difference.
3, explosion-proof electrical contact pressure gauge, completed after check carefully and try to action.
4, explosion-proof maximum contact pressure gauge pressure some usually used 3/4.
5, when regulate explosion-proof contact pressure gauge set value (after conditioning knobs, transferred to the upper and lower limit pointer to the given value) should be eyelid referrals given value and then launched a given value.
6, turn over the outlet box or regulate is required for a given value scale after the detection power.
Explosion-proof contact pressure gauge in the normal use case, should be check regularly, at least for one time every year in value view, explosion-proof junction pressure gauge in case of accidental attacks disturbance (such as spring tube pressure caused by the leakage, break, contact welding or because of the severe oxidation, affects a touch of pointer, loose or order distortion such as picture), shall be immediately check.
Explosion-proof contact pressure gauge in the process of using, should always adhere to the dry and clean.
Explosion-proof contact pressure gauge flame-proof primary function is strong or not depends on the composition of flame-proof shell all parts under pressure (i.e., blow-up mixture in blasting in the attack of the maximum pressure and the explosion-proof surface and cooperation to the quality of the surface).
Therefore, in the process of using maintenance and check device, must be careful don't rub or thump, especially in the outlet box of disassembling explosion-proof contact pressure gauge or on maintenance, for all special should pay attention to, and do not allow the paint on the surface of the flame-proof (is coated with a thin layer of rust protection to only grease, such as: 204-1 rust-proof oil, etc.).
When repair explosion-proof contact pressure gauge, if the user on the basis of explosion-proof electrical equipment knowledge concept is not clear, and the structure feature of flameproof explosion-proof contact pressure gauge and request, don't know much, do not arbitrarily raise or modified, or it will do harm to blast the flame-proof function of contact pressure gauge if necessary explosion-proof contact pressure gauge can be sent to factory maintenance.