System composition: double-pointer mud pressure gauge, pressure sensor, high-pressure hose and hand pump.Control logic: the pressure exceeds the limit, the pointer crosses the set pointer, the switch is closed, and the engine is triggered to idle/stop.
Advantages of the product：
1、Double pointer structure is adopted, one pointer displays the measured pressure, and the other pointer amplifies the pressure according to the ratio of 4:1, which solves the problem that the traditional single pointer pressure gauge is difficult to read the micro pressure difference, and the pressure reading is more accurate and reliable;
2、 It can accurately measure the pressure of mud and acid media, and is applicable to a wide range of media;
3、It is applicable to various operation scenarios, such as cementing, cement fracturing truck operation and acidizing operation;
4、The pressure range has many optional specifications, and supports the display of various pressure units to adapt to different field use habits.
5、The length of the pipeline can be customized to meet the needs of on-site installation under different working conditions.
| Decompression ratio | 4:1 | Pressure unit | MPa, psi |
|---|---|---|---|
| Pressure sensor interface | 2-inch NPT union nut and male connector | Temperature range | -45 ℃ ~ + 60 ℃ |
| Switch model | KT25, SPST, integrated on the instrument glass | Trigger structure | black pressure pointer with magnet, magnet and switch are separately placed on both sides of the meter glass |
| Alarm setting | yellow setting pointer can adjust the alarm threshold | Output signal | dry contact signal |
| Wiring | dual-core cable, connected to the alarm acquisition system |
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