Differential far eastone pressure gauge
Differential far eastone pressure gauge is a two wire essence safety explosion-proof instrument, use…
Description：
YTT - 150 seriesDifferential far eastone pressure gaugeIn addition to the in situ stress indicator, also the continuous output with the measured pressure signal into a linear 0 to 10 ma, or 4-20 ma dc signal, can with the DDZ - II or DDZ - III transmitting unit combination instrument with display, recording, adjusting instruments in the network, automatic recording, adjusting and control system.
Second, the working principle:
YTT differential far eastone - 150 series pressure gauge is when measured pressure changes, the free end of the spring tube produce displacement, on the one hand, through the movement turns pointer indicates the pressure value;On the other hand also drives the differential transformer core displacement.Differential transformer primary by oscillating voltage, secondary are two series of winding, when the differential transformer core is located in the center of symmetry, also creates a corresponding differential signal.The differential signal, after the voltage amplifier, voltage, electric current conversion and output standard of 0 ~ 10 ma (DC) or 4 ~ 20 ma current (DC) signal, and then passed on to secondary instrument (display instrument), do it can close observation and remote control.
Applications:
YTT differential far eastone - 150 series pressure gauge used to measure of ordinary carbon steel, alloy structural steel, Macao austenite stainless steel and tin lead alloy brazing solder non-corrosive effect, non-crystalline and solidification of liquid ammonia, ammonia medium pressure.Applicable to petrochemical industry, metallurgy, power stations, light industry and other departments.
Four, the main features:
1, stable performance, high measurement precision, response speed faster.
2, measuring the total pressure, including gas and steam pressure.
3, the results of the measurement has nothing to do with the gas species, composition and properties.
4, in the process of the pressure, suction and deflated pressure gauge itself is very small, will not affect the measured pressure.
5, no high temperature parts, won't make the oil vapor.
6, if choose corrosion resistant materials, can measure the corrosive gas pressure.
7, firm structure, and sealing and makes the pipes easier to install.
8, easy operation, do not need to adjust, but need to check on a regular basis.
Five, the technical parameters:
Table 1, the measuring range: see specifications;
2, the output signal: 4 ~ 20 madc, two wire;
3, precision grade: 1.6 on the Richter scale;
4, load resistance: 250 Ω ~ 350 Ω;
5, explosion-proof marks: the ib Ⅱ CT5;
6, power supply: dc 24 v + / - 10% and 15% (in this safe by safety ISB5362-10065362-2006);
7, working environment:
(1) temperature: - 10 ~ + 550 c;
(2) the relative humidity: 85% or less.
(3) the external magnetic field: 5 or less oster.
Note: 1, the products are divided into the foundation, with damping shape "Z", take the diaphragm type "G" (and) medium contact part of the material 1 gr18ni9yi and practice, with the diaphragm damping P2611 mixed type "F".
2, instrument power supply for dc 24 v, for intrinsically safe when used by CI ISB security grid power supply series, do normal use by the distributor.
Six, regular maintenance/repair:
1, after a period of use, and pressure, pressure gauge movement deformation and wear, hard to avoid can appear some pressure gauge can produce all kinds of errors and failures.In order to guarantee the accuracy of its original without distortion, dissemination should be replaced in a timely manner, to ensure that the correct, safe and reliable.
2, pressure gauges need to clean them regularly.Because the interior of the pressure gauge is not clean, will increase the wear parts, thus affecting its normal work, serious can make the pressure gauge failure, scrap.
3, the pressure on the installation of pressure gauge, according to the regulations of JJG52-1999, its verification period is generally not more than half a year.
4 and pressure medium to large fluctuations, used frequently, the accuracy of the demand is higher, and the more strict security factors, according to the specific circumstances will verification cycle shorten appropriately.
Seven, model specifications:
Product name and model number | The output signal | Measuring range MPa | Precision grade | |
seismic | ||||
YTT-150 | YTT-150A-Z | 0-10mADC | 0.1 ~ 0.3;0.1 ~ 0.5;0.1 ~ 0.9; | + / - 1.6 |
YTT-150 | YTT-150-Z | 4-20mADC | ||
Eight, design selection and ordering information:
1, when ordering please indicate the type, name, measuring range, joint thread size, precision grade.
2, if you have special requirements, when ordering, please specify.
After-sales service commitment:
1, our company sold by pressure gauge series product appeared quality problem within 12 months, responsible for free maintenance.
2, the warranty period, any quality problems such as the products of our company, my company is responsible for free repair or replacement.
3, the warranty period, such as user improper use, damaged products, my company is responsible for the maintenance, charge damage parts cost.
4, after the warranty period appear quality problem, my company is responsible for the maintenance, charge damage parts cost.
5, such as user need to my company site services, to users in the province I company service personnel to reach the site within 12 hours, fujian association of foreign languages and user reach the site within 48 hours.
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