dust-proof-manufacture,factory,supplier from China

(Total 24 Products for dust-proof)
1. The altitude shall not exceed 1000m.2. The ambient temperature shall not be higher than+40 ℃ and not lower than - 10 ℃.3. The daily average relative humidity is not more than 95%, and the monthly average is not more than 90%.4. The seismic intensity shall not exceed 8 degrees.5. The installation site shall be free of gas, steam, chemical precipitation, smoke, dust, dirt and explosive corrosive substances that seriously affect the insulation and conductivity of the grounding switch.6.
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The coupling between the glass lead rod and the fixture adopts the most advanced crimping technology, with beautiful appearance, small volume, light weight, not easy to break, bending, high torsional strength, strong explosion-proof, and extremely convenient transportation and installation.Type ofinsulator acc.RussianstandardUltimateMechanicalStrength ofinsulators,KN, not lessDiameterof glassshed (D),mmSpacing,mmCreepagedistance,mmWeight, kgVoltage withstand, kV, not lessImpulseFrequency50 Hz, wetRadiointerference levelSHS-10D12,51301602801,35754040SHS-20G131401904001,71355050
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use environment   a. The altitude does not exceed 1000 meters;   b. The surrounding air environment has no conductive dust and no corrosive, flammable and explosive gases, etc.;   c. Wind pressure does not exceed 100Pa (equivalent to wind speed 34m/S);   d. The earthquake intensity does not exceed magnitude 8;   e. The annual temperature difference ratio is within ±40°C.
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  The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, which can be used as a fixed installation unit or equipped with a special propulsion mechanism to form a handcart unit.Model and meaning      This type of product is equipped with a bistable permanent magnet operating mechanism. The mechanism is equipped with a permanent magnet. The permanent magnet provides the holding force to keep the switch in the closed and open state.
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The JN2-40.5 indoor high-voltage grounding switch is an indoor high-voltage electrical appliance designed in accordance with the relevant grounding switches in GB1985-89 AC High Voltage Disconnectors and Grounding Switches, which is equivalent to IEC129-84 Disconnectors and Grounding Switches and IEC694-84 Common Terms for High Voltage Switchgear and Control Equipment.JN2-40.5 grounding switch is applicable to 35KV and below three-phase AC 50HZ power system, and has voltage monitoring device.
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GW4 type outdoor high-voltage disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing of lines under the condition of voltage and no load, and for electrical isolation of electrical equipment such as overhauled high-voltage buses and circuit breakers from live high-voltage lines. It can also be used for opening and closing small capacitive or inductive currents. When the knife switch is in the normal opening position, an insulation distance meeting the safety requirements can be provided.
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The low light level sight integrates the functions of observing and aiming, measuring the target distance and setting the weapon firing angle. It has the characteristics of small volume, light weight, high aiming accuracy, good reliability and convenient carrying. It can be used not only as a night sight, but also as an observation command mirror for night observation. It is mainly used for observation and monitoring by personnel of border armed police, public security and other units, and it is a precision optical instrument product for assisting gun aiming and shooting at night.
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The day and night gun sight can realize all-weather close-range accurate shooting in the daytime, night and low illumination environment, and can solve the rapid aiming and accurate shooting at night from 25m to 100m.and can solve the rapid aiming and accurate shooting at night from 25m to 100m.night and low illumination environment, The day and night gun sight can realize all-weather close-range accurate shooting in the daytime,
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The sight is mainly used for aiming and shooting with corresponding weapons by personnel of armed police, public security and other units. It can also be used for hand-held observation mirror search and monitoring.
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High performance multi-functional low light level night vision instrument is an optical and electronic instrument which can observe the external scenery with the help of weak natural light (such as moonlight, starlight or atmospheric glow) when there is no lighting at night. It is a passive night vision instrument with good concealment.
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The general low light level gun sight is a sight with high definition, good combination of gun and mirror, strong adaptability, reliability and durability, stable performance, good man-machine efficiency and low cost. It is suitable for short-range accurate shooting at night and can solve the rapid aiming and accurate shooting at 25-100 meters at night. The fixture can be quickly changed to adapt to various gun types.
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Type B double tube binocular low light level observation mirror can assist pilots to directly observe the environment and search targets in the night, complete night takeoff and landing, formation flight, visual recognition of landmark landform, heaven and earth line, aerial reconnaissance and recognition, search and recognition of ground targets at low altitude, and cooperate with forward-looking infrared to search.
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Super second generation low light level image intensifiers: NT-3, cnt-4 and dnt-6 have greatly improved in signal-to-noise ratio, transmission and resolution, which makes them have higher spectral response in a wide wavelength range, and can obtain better contrast for various observation scenes, whether in jungle, desert, coast, water surface It has excellent observation effect under any background, such as snow. Dnt-6 image intensifier is equipped with power supply with automatic shutter characteristics, and can automatically adjust the gain.
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Fuse selection     The selection of the fuse should ensure that the distribution transformer internal or the high and low voltage outlet pipe can be quickly fused when there is a short circuit. In practice, the following principles are often used for selection; if the capacity of the distribution transformer is below 160KV, the fuse should be 2-2% of the rated current of the transformer.
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Night vision instrument is mainly used to identify targets at close range (250mm ~ 10m) at night, operate equipment, read documents and observe. For target search. The low illumination CCD and infrared lighting mode can also be replaced by ICCD mode.
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   •Note:1,(DEBI Equivalent background illumination, measured after up to 2 minutes stabilization in the dark with the operational voltage applied.2,Signal to noise ratio : measured in the circle(diameter:0.2), equivalent system frequency.3,On the area of 1mm² .illumination  flux 0.05lm,lasting 60 seconds .4,Measured for 0.3ms both parallel and perpendicular to the axis separately with power supply applied, totally for 6 times.
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Composite insulators are composed of three parts: insulating core rod, silicone rod rubber sheath and connecting fittings at both ends.    Insulating mandrel is the abbreviation of epoxy resin fiberglass lead rod, it is the skeleton of composite insulator, it plays multiple functions such as supporting umbrella cover, inner insulation, connecting hardware at both ends, and bearing mechanical load, etc.
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1) It is used to protect electrical equipment from high transient over-voltage and limit the freewheeling time and the freewheeling amplitude.
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The direct coupled low light level enhanced digital camera (idc1616) adopts the advanced image tube direct coupling technology to integrate the digital camera and image intensifier, forming a new generation of low illumination digital night vision equipment with compact structure, high sensitivity and clear imaging.
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Type a double tube binocular low light level observation mirror has the characteristics of clear imaging, good concealment, light structure and low power consumption. The product is suitable for driving aircraft for takeoff, landing, low altitude and ultra-low altitude missions at night or in low illumination environment; It can also be used for vehicle driving, patrol, medical rescue, observation, monitoring and reading.
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The uncooled infrared focal plane thermal camera core assembly is adopted, which has the characteristics of small volume, light weight, long action distance and easy operation. The product can be used day and night, and has the ability to penetrate smoke and fog. It can "see" the target through the jungle and some shelters. The product is suitable for aiming, observation and search.
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Very popular MW cooled detector in the world market. Can work with C308, C330 or C363 stirling cooler.
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Relate News
Complex digital assemblies integrate a multitude of different additives in a very small area. miniaturisation, no matter the tendency to reduce energy dissipation, increases the needs for thermal management, blunders-loose operation and compliance with system parameters in manufacturing. infrared thermography is used for the efficient recording of temperature distribution and time sequences. the optical method is used for non-touch size of floor temperatures and does not impact the rf impedance of the measured object or the heat dissipation from it.
Numerous of these manufacturing processes are based on laser technologies such as laser melting, sintering or build-up welding. Other processes, such as binder jetting, are completed by a sintering pass to fully cure the material. In order to localise and detail thermal conspicuities in these processes, InfraTec infrared cameras support the determination and subsequent adherence to thermal process parameters by in-line monitoring. Infrared cameras can be integrated directly into the process control system to enable a non-contact and non-invasive temperature measurement.
Severa of those manufacturing processes are based totally on laser technologies inclusive of laser melting, sintering or build-up welding. other approaches, which includes binder jetting, are completed by a sintering pass to fully treatment the material. so one can localise and element thermal conspicuities in these procedures, infratec infrared cameras guide the willpower and next adherence to thermal technique parameters by means of in-line monitoring. infrared cameras may be included directly into the procedure manage gadget to enable a non-touch and non-invasive temperature size.
Complex digital assemblies combine a multitude of one-of-a-kind components in a very small area. miniaturisation, no remember the tendency to minimize power dissipation, will increase the wants for thermal management, blunders-loose operation and compliance with gadget parameters in manufacturing. infrared thermography is used for the environment friendly recording of temperature distribution and time sequences.
Numerous of these manufacturing procedures are based totally on laser technologies such as laser melting, sintering or build-up welding. Other processes, such as binder jetting, are finished by way of a sintering pass by to totally treatment the material. In order to localise and element thermal conspicuities in these processes, InfraTec infrared cameras assist the dedication and subsequent adherence to thermal procedure parameters by using in-line monitoring.
High-voltage circuit breaker (or high-voltage switch) it can not only cut or close the high-voltage circuit no-load current and load current, but also when the system fault occurs through the role of relay protection device, cut off the overload current and short-circuit current, it has a fairly complete arc extinguishing structure and sufficient current breaking capacity, can be divided into: oil circuit breaker (multi-oil circuit breaker, less oil circuit breaker), sulfur hexafluoride circuit breaker (SF6 circuit breaker), compressed air circuit breaker, vacuum circuit breaker, etc.To ensure
Severa of these manufacturing methods are based totally absolutely on laser applied sciences inclusive of laser melting, sintering or build-up welding. different approaches, which consists of binder jetting, are achieved by way of a sintering bypass to totally cure the material.
Another critical factor to consider in dealing with Russian clients is their business practices and ethics. Russia has a unique business culture that is heavily influenced by its political and economic climate. The country has a complex legal system that may differ from that of other countries, and as such, it is essential to hire a local attorney when drafting a contract or a business agreement.In conclusion, hosting a visit from Russian clients can be a challenging but rewarding experience.
Lightning arrester: an electrical apparatus used to protect electrical equipment from high transient overvoltages during lightning strikes and to limit the duration and often the amplitude of the renewal current.
GW4 type outdoor high-voltage disconnector is used for three-phase AC 50Hz outdoor high-voltage electrical equipment, which is used for opening and closing of lines under the condition of voltage and no load, and for electrical isolation of electrical equipment such as overhauled high-voltage buses and circuit breakers from live high-voltage lines. It can also be used for opening and closing small capacitive or inductive currents. When the knife switch is in the normal opening position, an insulation distance meeting the safetyrequirements can be provided.
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