General seismic pressure gauge installation points

General seismic pressure gauge installation points

1. Instrument using the environment temperature for - 40 ~ 70 ℃, relative humidity is not more than 80%, such as deviated from its normal use 20 + 5 ℃ temperature, temperature must be included in the additional error.

2. Instrument must be installed vertically, and strive to maintain the same level with measuring points, such as too high for the difference caused by the liquid column additional error, but don't have to consider when measuring gas. When installation will watch case vent at the back of the jam, lest affect explosion-proof performance.

3. The instrument should avoid vibration and impact, in order to avoid damage.

4. Please specify when ordering: instrument type and name; Instrument measurement range; Instrument and other precision grade deviation is packaging requirements.

5. Special design according to the needs of users.

6. Normal use of the instrument measuring range: under the static pressure is less than 34 measuring limit, under the volatility should not be more than 23 measurement limit. In the case of the above two kinds of pressure big pressure gauge to measure the minimum should not be below the lower limit of the 13, when measuring vacuum vacuum parts all use.

7. If encounter when using the instrument pointer failure or internal parts of fault should be loose, does not work for maintenance, maintenance or contact the manufacturer.

8. Before installation should check whether the instrument model, specifications, precision grade conform to the requirements of the instrument to use. Check the instrument and installation of the nipple which is female.

9. Pressure gauges shall be installed vertically, are rarely more than 30 ° inclination, and strive to maintain the same level with measurement point, lest bring indication error.

10. After installation, in the case of without pressure, observe whether the pointer in the zero or close to the nail plate check, or unfavorable use.

11. Measuring steam pressure, the lower pressure gauge shall be equipped with annular pipe, use water to pass in the steam pressure, in order to avoid high temperature steam into spring tube, effect the precision of instrument, or inadvertently make the solder melts, meter leak, caused by accident or burns.

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