CNG Automobile Combustion Gas Pressure Gauge (Sensors) Our company designing and manufacturing CNG Automobile Combustion Gas Pressure Gauge (Sensors). The product is compatible with various types of commercially available adaptors and switchers, such as Landi Renzo, LOVATO, BIGAS, etc. The product includes two major parts: the pressure gauge and the sensor circuitry. One of the key parts of the pressure gauge, the tube, is made with a high frequency welding machine using Ag45CuQsnCr. The seal performance of each gauge has been evaluated through a leak test under 550600bar for at least 30 minutes. The working pressure from CNG automobile combustion system is usually lower than 200bar. As a result, each gauge has a fairly security and reliability. Application The corresponding pressure gauge is aimed to be used for the measurement of the tank capacity for CNG-Cars. Scale Ranges up to 0..400 Bar . CNG sensors which combined with sensor-ready fuel switches, can display the residual amount of fuel in the tank. Specification for Pressure Gauge 1.pressure gauge size:50mm,54mm,63mm,75mm Connection type: Copper alloy, lower mount or back Case material: ABS engineering plastic (black,aluminum alloyLY-12CZ,Stainless Steel SUS304. Movement: Copper alloy, Stainless steel (SUS316L); Window: Polycarbonate Pointer: Black plastic, special design Ingress protection : IP54 (Socket material:HPb59-1 or SUS316) Connection thread: G1/4(PF1/4), M14×1.5, ZG1/4(PT1/4), NPT1/4, and so on. Scale Range:0~400bar/6000psi (or dual scales); Accuracy Class: 2.5 2. Sensor circuit the circuit of the product is Hall effect magnetic induction,
all electric parts of an apparatus is imported from oversea, so the precision and reliability excal to other congeneric products. they can change pressure to voltage signal to output, so this product has many advantages, such as: high precision and consistency, longevity, and so on. (1)power supply voltage:DC12+2V Pression(bar) Output voltage(DCV) 40 bar ±10 bar 2,5 V± 1 V 65 bar ± 10 bar 5 V ± 1V 100 bar ± 10 bar 7,5 V ±1 V 140 bar±10 bar 11,3 V ±1 V (2)connection: red, black and yellow wire (3)transition switch: indicator light, digital gauge with transition switch Alone Gauge with connection line The sensing circuitry utilizes a Hall effect magnetic induction. The superior design and manufacturing technologies have provided the product with higher precision and stability, when compared with other products in the same category. Operating range variable Working pressure : Steady: 3/4 x of full scale value Fluctuating: 2/3 x of full scale value Short time: full scale value Operating temperature : At max. working pressure of 260 bar, -40 ... +120 °C Temperature effect : When temperature of the pressure element deviates from reference temperature (+20 °C): ± max 0,4 %/10 K of the span Our product has successfully opened the market in Iran，Argentina， India, Thailand, and other countries and regions. We would like to do our best to offer our customers the products of high quality and the best cost.
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