Environmental requirements and precautions of aerodynamic instruments

1, use environmental conditions (1) Power supply: AC185 ~ 265V 50Hz / 60Hz (2) Power consumption: 20W (3) Ambient temperature: 0 ~ 45 ° C (4) Humidity: 85% or less (5) Gas source: 0.4-1.0MPa clean air source (6) Stay away from corrosive items and strong magnetic fields, strong electric fields and strong vibrations. 2, safety production precautions 1) Whether there is no display, check if the power connection is normal, whether the fuse is normal. 2) Under the adjustment function, it is not found that the lower limit position indication may be incorrectly in the name size or standard value. 3) The reading abnormality is unstable, the measured value is very large, there may not be standard correction, and it can be normal after standard parts correction. 4) The power ground line must be grounded, otherwise it may cause the instrument to work abnormally or cause personal injury. Be sure to turn off the power before plugging the power connection plug and opening the housing. 5) The gas source pressure is in the range of 0.40-1.0 MPa, and general pressure is adjusted to 0.50 MPa. If the gas source pressure. 1881.0.40 MPa's readings will be unstable. 6) The front level of the gas source needs to configure the air filter. If it is a large three-level filter, up to three air power meters can be taken; the general small air filter can only take one gas and electricity meter. 7) After the magnification is adjusted, it will lock the screw to lock the magnification twist, otherwise the stability of the instrument will be reduced. 8) If the magnification knob has been adjusted to the limit, the magnification is still insufficient, and it is too large, which can be changed, if not, it must be replaced. It is strictly forbidden to mobilize the internal work of the instrument, otherwise it will damage the instrument and do not warrant. 9) When the gas test head is used for a long time, the initial gap is large, as long as the position error is allowed, the manual docking ratio and the standard correction measurement are still correct. This advantage greatly enhances the service life of the gasometer. 10) When the display exception can shut down, press the upper orientation button to restore the factory configuration. Editor in charge: Tzh, Read more

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