electronic level gauge manufactured in China

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Tianjin
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Product Description:

features:
Owing to adopted advanced micro processor and special Echo processed technology,the radar level meter can be applied in any kinds of complicated working environment
False echo saving function make the meter can select the correct echo out of a large number of interfering reflections,obtained the correct measured results.

Multi process connecting method and antenna shape make CMAXS60 serial radar level meter suitable to any kinds of complicated working environment.for example:high temperature,high pressure and small dielectric constant media measurement and so on.

Adopting pulse work method can make the meter has lower transmitting power,and suitable to install into any metal or non-metal vessel,no harm to people and environment.

 

Principle:
The antenna of Radar level meter emits extreme short microwave pulse to the measured media surface and reflects to the same antenna with the speed of light,the time from emission to receiption of the signals is proportional to the level in the vessel. 
GUIDEPULS60 serial radar level meter adopted special related demodulation technology,they can correctly judge the time from emission and reception of the signals to calculate the distance between the antenna and the surface of measured media.

 

Input:

 

the antenna receive the reflected microwave and transmit to current circuit ,microprocessor processed the signal,to read out the reflected microwave from the surface of the measured media.intellectual software select the correct signal and accuracy can reach millimeter degree.the distance(D) to the measured media is proportional to the running time of the pulse(T)
D=C×T/2 C:speed of light.
empty vessel distance(E) is known,then the level(L)=E-D
Output:
By inputing empty height(E)(= zero point),full vessel height(F)(=Max.measuring range) and some applied parameters to set,applied parameters can make the meter adapting to the measured environment.corresponding to 4-20mA output.

 

When the antenna emits microwaves,there should have emission angel.the area that emited microwaves radiated between the bottom of the antenna and surface of measured media should not have barrier ,so when installing,do best to keep away of facilities in vessel,just like:ladder,limit switch,heating equipment,and bracket.when it is unable to keep away,when installing,we should do false echo saving.we should note that microwave and filling flow can not intersect.the Max. level of the media should not enter into dead zone,there is certain distance between the level meter and vessel wall.when installing,the best is to make the emission direction of the antenna is vertical to surface of measured media.when installing in the area of anti-explosion,we must abide by national installation stipulation,the housing material of the intrinsic safety type level meter is aluminum,it is suitable to install in the anti-explosion area,the housing of the meter should connect to ground.
the area from measured reference plane to the bottom of the antenna is the dead zone of the level meter(reference plane is the seal surface of thread or flange)

Power supply cable can use normal two core cable,the outside diameter should be 5...9mm to make sure to seal the inlet port of cable.if there is electromagnetic interference,use shield cable.

 

4...20mA/HART(two wire) Power supply cable can use normal two core cable
4...20mA/HART(four wire) 

 

CMAXS60 has 3 debugging methods:
1,display/debug module(programmer)
2,upper computer debugging GDPFSOFTWARE
3,HART handheld programmer
display/debug module(programmer)
Programmer is pluggable debugging tool,to debug by 4 keys,after bebugging,it is easy to read measured datas through the display screen of the programmer and display window on the meter cover.

 

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The use of pneumatic tools:1., the air is easy to obtain, and the work pressure is low, the used air can be discharged locally, without the need to recover the pipeline2. gas viscosity is small, flow resistance loss is small, easy to central gas supply and long-distance transportation3. pneumatic actuator, high movement speed4. the pneumatic system has a strong adaptability to the environment. It can work reliably in a wide temperature range, humid and dusty environment, with a slight leakage, no pollution to the environment, no fire and explosion hazards, and safe use5., simple structure, convenient maintenance and low cost6. long life of pneumatic components7. pneumatic actuators of the hydraulic output than small, fast, strong adaptability, can exercise in the flammable, explosive, heavy, damp, the impact of the harsh environment, no environmental pollution, long service life, simple structure, easy maintenance, low price.
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As we all know, a hand drill is an AC power supply or a DC battery powered drilling tool. It is a kind of hand held power tool.
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AC motor, AC motor of induction motor, its strong induction current (eddy current) magnetic field generated in the rotation of the magnetic force on the rotor copper bar, continuous cutting, according to Lenz's law, the induced current has the effect of relative motion occurs against the rotor magnetic field and the rotor is, with the magnetic field and rotation. But the rotor rotation speed of the high speed magnetic field does not transform, otherwise it will not be able to cut the copper lines.
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If the factory is assembled, use an electric screwdriver! Only suitable for twisting small screws! Because the torque itself is not large! Like you twist it on a wood, use a Zigong drill, or a rechargeable drill! Because of these two belts with adjustable torque! Unlike an electric drill, it always turns that way! This torque is automatically separated by reaching a certain torque! If you screw a big screw, it's an electric wrench!
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MAKITA electric tool features:The utility model has the advantages of small noise, strong power, good performance, long service life, light body, strong and durable, easy operation and convenient repair. The utility model is the necessary high-quality product for professional personnel or amateur DIY personnel.
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I class: in the prevention of electric shock protection, in addition to relying on basic insulation, but also the need for zero protection.Class II: the tool itself has double insulation or insulation without the need to protect the ground.Class III: Powered by a secure, ultra low voltage power supply, no voltage higher than the safety supply voltage is generated within the tool.The above is the classification of insulation categories.
Q:Is the motor of an electric tool the alternating current motor or the direct current motor?
Compared to the AC motor and DC motor, because there is no commutator (see DC motor commutation), therefore has the advantages of simple structure, convenient manufacture, relatively strong, easy to make high speed motor, high voltage, high current, large capacity. The coverage of AC motor power greatly, from a few watts to several 101000 watts, even millions of kilowatts.
Q:What devices must be available for all hand held electric tools?
Hand held electric tools, insulation measures are in good condition, must be equipped with qualified leakage protection device, forbid to change the power cord and plug, use special flow switch box.

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