100MM SS304 Safty Electrical Contact Pressure Gauge Menometer 0-230psi DC24V End Connection 1/2in NPT M

Q1：What is the measuring range of electric contact pressure gauge?
A1：The measuring range of electric contact pressure gauge has various specifications, for example, the common ones are 0~100MPa, -0.1~0MPa, -0.1~2.4MPa and so on. The specific measuring range can be selected according to the model and demand.

Q2：What is the accuracy level of electric contact pressure gauge?
A2: The accuracy level is usually 1.6 (1.6%) or 2.5. However, it should be noted that the accuracy class in parentheses may be for special order only, and the actual accuracy may be different.

Q3: What media can the electric contact pressure gauge be used for?
A3：It can be used to measure the positive and negative pressure of gas and liquid media that do not corrode copper and copper alloy. If it is a stainless steel electric contact pressure gauge, it can be used to measure the positive and negative pressures of gases and liquid media that do not corrode stainless steel.

Q4：What is the working principle of electric contact pressure gauge?
A4：Electrical contact pressure gauge based on the measurement system in the spring tube under the pressure of the measured medium, resulting in elastic deformation of a displacement, with the help of the tie rod through the gear drive mechanism transmission and amplification, by the fixed gear on the indication (together with the contact) will be measured on the dial value indicated. At the same time, when and set the pointer on the contact (upper limit or lower limit) contact (dynamic break or dynamic close) moment, resulting in the control system in the circuit can be disconnected or connected, in order to achieve the purpose of automatic control and send letters of alarm.

Q5：What are the types of electric contact pressure gauge?
A5：Including ordinary type, anti-corrosion type, anti-corrosion and shock-resistant type, explosion-proof type and so on. Ordinary type is suitable for measuring the pressure of gases and liquids without corrosive effect on copper alloy and iron; anticorrosive type is suitable for measuring the pressure of corrosive gases and liquids; anticorrosive and shockproof type is filled with oil in the body of the gauge, and the use of liquid damping ensures that there is no vibration display, and it is suitable for measuring strong pulsation of the medium and the environment of the vibration of the larger places; explosion-proof type is suitable for the environment of the dangerous place of explosive mixtures.

Q6：What are the electrical parameters of the contact of the electric contact pressure gauge?
A6：Maximum power is generally 30W, the working temperature is -25℃~55℃, the upper limit of working pressure is not greater than 2/3 of the upper limit of the instrument, the vibration frequency of the working environment is not greater than 25Hz, and the amplitude is not greater than 0.5mm.

Q7：How to install the electric contact pressure gauge?
A7：There are various installation methods, such as radial direct mounting, axial direct mounting, radial direct mounting with front edge, axial direct mounting with front edge, and so on. The specific installation method should be selected according to the actual situation and demand, and at the same time, make sure that it is installed vertically and keeps the same horizontal position with the measuring point.

Q8：What should I do if the electric contact pressure gauge appears to generate a signal too early or too late?
A8：This condition may be due to improper contact position or loose contact metal rod. If the contact position is incorrect, correct the contact vertically until the signal occurs properly. If the contact metal rod is loose, you should try to fix it firmly, and for minor cases, you can use the method of enlarging the travelling wire appropriately and increasing the counter-torque of the travelling wire.

Q9：What is the reason that the electric contact device does not generate a signal?
A9：May be the contact is too dirty contact, need to use sandpaper to remove dirt; may also be the signalling device insulation layer is damp, can be blown dry with hot air; may also be the circuit is not working, you should find out the circuit breakers and be repaired.

Q10：How to test the electric contact pressure gauge?
A10：The calibration of electric contact pressure gauge is divided into two parts. First of all, the pressure part of the calibration and the calibration of ordinary pressure gauge, pressure part of the calibration after passing, need to increase the electric contact signal device calibration. Specific steps for the pressure gauge mounted on the calibrator, with a dial dialer were two signal contact pointer dial to the upper limit and lower limit outside, and then the indicated value of the test. After the demonstration value calibration is qualified, the upper limit and lower limit of the signal contact pointer were set to more than three different calibration points, slowly increase or decrease the pressure until the signal is sent out until the instantaneous, when the standard pressure gauge readings and the signal pointer value of the deviation between the values, shall not exceed the absolute value of the allowable basic error.