Others & Excess Inventory - Others

GPS Tracking Device for Vehicle gps tracker car Protection Anti-Theft GPS311 remote stop engine Key Specifications/Special Features: This tracker is a newly product based on the GSM/GPRS network and GPS satellite positioning system, which set multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking in its entiret. Function description: 1. Web based online tracking at our server 2. View map on cell phone, PDA, view target current location on map on the cellphone and PDA with the maps link in the message from tracker 3. Get location in real street/address name, send address + password to tracker, tracker will reply detailed street address, e. G. No. 113, Nantou guankou 2ND Rd, Nanshan, Shenzhen, China. 4. Location based service function, get detailed position via GSM network when the tracker in the place where is no GPS signal, with direction for real time track on Google map 5. Location Based Service, if the target you are inquiring enters into underground parking lot or other GPS blind area, the tracker will inform you the location via GSM network 6. Remote engine-stop and resume 7. Tracking function by timing and frequency 8. Authorized number added and deleted function 9. Real time Web server tracking and APP 10. Geofence: Set-up a geofence for the unit to restrict its movements within a district 11. The unit will send the message to the authorized numbers when it breaches the district 12. Waterproof IP66 13. ACC alarm 14. Movement alert 15. Over speed alarm: You can make the inspected target run according to fixed speed, it alarms when speed is exceeded 16. Power supply disconnection alarm 17. Low battery alarm function 18. Check the vehicle status 19. Set up ACC alarm, Sensor alarm by remote controller Quiver/sensor alarm Optional 24V relay for 24V vehicle Siren Extra remote control Applying directions: Vehicle fleet/logistics/vehicle rental Product Notes: Great for private use, company car or rental fleet management Comes with internal GSM and GPS antenna for excellent reception Comes with detailed instructions on how to work with GPRS enabled SIM and setup internet monitoring , so constant tracking information can be displayed on a detailed map Standard Package Include: 1 x tracker 1 x user manual 1 x packing box 1 x harness (cables) 1 x 12V relay 1 x Remote control and remote control Antenna (Only for GPS311C) Warranty 1. One year warranty is provided for all models. 2. All products have been strictly Quality Checked in house before packing. 3. All products have been well packed before shipping. OEM&ODM Service 1.Customize logo and brand print on the device or box 2.Offer firmware modification service 3.Customize design in bulk order Contact Details Shenzhen Coban Electronics Co., Ltd ( GPS Tracker Manufacturer)

Minimum Order: 100

GPS Tracking System for Avl Fleet Manage Turn off Engine GPS311 GPS Tracking Device car GPS tracker Key Specifications/Special Features: This tracker is a newly product based on the GSM/GPRS network and GPS satellite positioning system, which set multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking in its entiret. Function description: 1. Web based online tracking at our server 2. View map on cell phone, PDA, view target current location on map on the cellphone and PDA with the maps link in the message from tracker 3. Get location in real street/address name, send address + password to tracker, tracker will reply detailed street address, e. G. No. 113, Nantou guankou 2ND Rd, Nanshan, Shenzhen, China. 4. Location based service function, get detailed position via GSM network when the tracker in the place where is no GPS signal, with direction for real time track on Google map 5. Location Based Service, if the target you are inquiring enters into underground parking lot or other GPS blind area, the tracker will inform you the location via GSM network 6. Remote engine-stop and resume 7. Tracking function by timing and frequency 8. Authorized number added and deleted function 9. Real time Web server tracking and APP 10. Geofence: Set-up a geofence for the unit to restrict its movements within a district 11. The unit will send the message to the authorized numbers when it breaches the district 12. Waterproof IP66 13. ACC alarm 14. Movement alert 15. Over speed alarm: You can make the inspected target run according to fixed speed, it alarms when speed is exceeded 16. Power supply disconnection alarm 17. Low battery alarm function 18. Check the vehicle status 19. Set up ACC alarm, Sensor alarm by remote controller Quiver/sensor alarm Optional 24V relay for 24V vehicle Siren Extra remote control Applying directions: Vehicle fleet/logistics/vehicle rental Product Notes: Great for private use, company car or rental fleet management Comes with internal GSM and GPS antenna for excellent reception Comes with detailed instructions on how to work with GPRS enabled SIM and setup internet monitoring , so constant tracking information can be displayed on a detailed map Standard Package Include: 1 x tracker 1 x user manual 1 x packing box 1 x harness (cables) 1 x 12V relay 1 x Remote control and remote control Antenna (Only for GPS311C) Warranty 1. One year warranty is provided for all models. 2. All products have been strictly Quality Checked in house before packing. 3. All products have been well packed before shipping. OEM&ODM Service 1.Customize logo and brand print on the device or box 2.Offer firmware modification service 3.Customize design in bulk order Contact Details Shenzhen Coban Electronics Co., Ltd ( GPS Tracker Manufacturer)

Minimum Order: 100

Mini gps Car Tracker GPS Tracking GPS311C remote control vehicle real time with ACC alarm free mobile APP Key Specifications/Special Features: This tracker is a newly product based on the GSM/GPRS network and GPS satellite positioning system, which set multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking in its entiret. Function description: 1. Web based online tracking at our server 2. View map on cell phone, PDA, view target current location on map on the cellphone and PDA with the maps link in the message from tracker 3. Get location in real street/address name, send address + password to tracker, tracker will reply detailed street address, e. G. No. 113, Nantou guankou 2ND Rd, Nanshan, Shenzhen, China. 4. Location based service function, get detailed position via GSM network when the tracker in the place where is no GPS signal, with direction for real time track on Google map 5. Location Based Service, if the target you are inquiring enters into underground parking lot or other GPS blind area, the tracker will inform you the location via GSM network 6. Remote engine-stop and resume 7. Tracking function by timing and frequency 8. Authorized number added and deleted function 9. Real time Web server tracking and APP 10. Geofence: Set-up a geofence for the unit to restrict its movements within a district 11. The unit will send the message to the authorized numbers when it breaches the district 12. Waterproof IP66 13. ACC alarm 14. Movement alert 15. Over speed alarm: You can make the inspected target run according to fixed speed, it alarms when speed is exceeded 16. Power supply disconnection alarm 17. Low battery alarm function 18. Check the vehicle status 19. Set up ACC alarm, Sensor alarm by remote controller Quiver/sensor alarm Optional 24V relay for 24V vehicle Siren Extra remote control Applying directions: Vehicle fleet/logistics/vehicle rental Product Notes: Great for private use, company car or rental fleet management Comes with internal GSM and GPS antenna for excellent reception Comes with detailed instructions on how to work with GPRS enabled SIM and setup internet monitoring , so constant tracking information can be displayed on a detailed map Standard Package Include: 1 x tracker 1 x user manual 1 x packing box 1 x harness (cables) 1 x 12V relay 1 x Remote control and remote control Antenna (Only for GPS311C) Warranty 1. One year warranty is provided for all models. 2. All products have been strictly Quality Checked in house before packing. 3. All products have been well packed before shipping. OEM&ODM Service 1.Customize logo and brand print on the device or box 2.Offer firmware modification service 3.Customize design in bulk order Contact Details Shenzhen Coban Electronics Co., Ltd ( GPS Tracker Manufacturer)

Minimum Order: 100

　　O ring are commonly used in various industries for their sealing capabilities. They create a tight seal between two parts, preventing leakages and ensuring the proper functioning of machinery and equipment. As O ring are subjected to wear and tear over time, the question arises: is it acceptable to reuse O ring? In this article, we will examine this question and explore the factors to consider when deciding whether to reuse O ring. 　　The decision to reuse an O ring depends on several factors, including its condition, material, and application. Firstly, the condition of the O ring must be thoroughly assessed. If an O ring shows signs of damage, such as cracking, tearing, or deformation, it is not suitable for reuse. Damaged O ring may not provide an effective seal, leading to leaks and potential equipment failure. Therefore, it is crucial to inspect O ring carefully before considering their reuse. 　　The material of the O ring is also an important factor. O ring are made from various materials, including rubber, silicone, and fluorocarbon. Some materials, such as nitrile rubber, are more resistant to chemicals and high temperatures, making them suitable for reuse in certain applications. However, other materials, like fluoroelastomers, are more prone to degradation and may not retain their sealing properties after initial use. It is essential to understand the material's limitations and consult manufacturer recommendations before reusing O ring. 　　Furthermore, the application of the O ring affects its suitability for reuse. In some cases, O ring are used in critical applications where any failure can have severe consequences. For such applications, it is generally recommended to use new O ring to ensure the highest level of reliability and safety. However, in less critical applications, where failure may not have significant consequences, reusing O ring can be considered, provided they pass the necessary inspections. 　　When considering the reusability of O ring, it is essential to understand that O ring are designed to be disposable. Manufacturers often specify that O ring should be replaced with new ones after each use. This recommendation is based on the fact that O ring undergo physical stress during the sealing process, which can lead to subtle damage. Reusing such damaged O ring may compromise their effectiveness and increase the risk of failure. Therefore, while it may be tempting to reuse O ring for cost-saving purposes, it is crucial to prioritize safety and operational integrity. 　　The decision to reuse O ring should be made based on careful evaluation of their condition, material, and application. Damaged O ring should never be reused, as they may fail to provide an effective seal. The material of the O ring should be considered, as some materials are more suitable for reuse than others. Additionally, the application and criticality of the equipment should be taken into account when deciding whether to reuse O ring. Ultimately, safety and reliability should be the primary concerns, and if there is any doubt about the integrity of the O ring, it is best to choose a new one.

Minimum Order: 500

　　O-rings are widely used in various industries for sealing purposes. They are circular rubber rings that are designed to fit into a groove and create a seal between two parts. O-rings come in different sizes, materials, and colors. While the size and material of an O-ring are crucial factors to consider, many people wonder if the color of an O-ring has any significance. In this article, we will explore this question and shed light on the importance of O-ring colors. 　　Firstly, it is important to note that the color of an O-ring does not have any direct impact on its functionality or performance. The primary purpose of an O-ring is to create a reliable seal, and this is determined by its size, material, and the design of the groove it fits into. The color of an O-ring is simply a visual characteristic and does not affect its sealing capabilities. 　　However, the color of an O-ring can be used as an indicator for specific applications or materials. In some industries, different colors are used to differentiate between O-rings made from different materials. For example, black O-rings are commonly made from nitrile rubber, which is known for its resistance to oil and fuel. On the other hand, red O-rings are often made from silicone rubber, which has excellent resistance to extreme temperatures. By using different colors, it becomes easier for technicians and engineers to identify the type of O-ring required for a particular application. 　　In addition, the color of an O-ring can also indicate its hardness or durometer. Durometer is a measure of the hardness of a material, and O-rings are available in different durometer ratings. For instance, blue O-rings are typically softer, while green O-rings are harder. By using different colors to represent different durometer ratings, it becomes simpler to select the appropriate O-ring for a specific sealing application. 　　Furthermore, the color of an O-ring can be used as a visual quality control indicator. During the manufacturing process, O-rings undergo various quality checks to ensure they meet the required standards. By assigning different colors to O-rings that have passed these quality checks, it becomes easier to identify and separate them from those that have not. This visual indicator helps in maintaining quality control and ensuring that only properly manufactured O-rings are used in critical applications. 　　While the color of an O-ring does not directly affect its functionality, it can serve as an indicator for specific applications, materials, hardness, and quality control. Different colors can be used to differentiate between O-rings made from different materials or with different durometer ratings. Additionally, assigning colors to indicate quality control helps in ensuring that only properly manufactured O-rings are used. Therefore, while the color of an O-ring may not have a significant impact, it does have some practical uses in certain industries.

Minimum Order: 500

Engine didactic bench for automotive training equipment, it’s suitable for university, college, vocational training centers, technical schools, polytechnics. 1.The use of Toyota Corolla inline four cylinder multi-point EFI engine 2.The engine working normally and operating smoothly 3.The real-time display for various voltage of sensors by a digital voltmeter 4.The real-time display for fuel pressure, oil pressure in different working conditions 5.The real-time display for vacuum; and the LED display for spray pulse and throttle percentage 6.Fault simulation sets for the student’s exam 7.Weight :350kgs

1 Product Overview 1.1 Profile This system can simulate the process of industrial safety electricity system, so that students can have an initial intuitive understanding of industrial safety electricity. To cultivate the students' corresponding knowledge and skills, suitable for the teaching and skills training assessment of higher vocational colleges, vocational schools, secondary vocational schools and technical schools. 1.2 Feature (1) training platform adopts aluminum frame type structure, measuring instrument and load module uses the way of hanging box installation, training power built-in integrated installation, each unit with flexible, easy to use, not easy to damage. (2) the experimental circuit and devices are fully configured and can be used in combination to complete the training contents of a variety of subjects. (3) the training platform has a good security system.

The system can simulate the process of grounding system, so that students can have a preliminary intuitive understanding of the grounding system, and be familiar with the composition, connection and operation principle of the grounding system. To cultivate the students' corresponding knowledge and skills, suitable for the teaching and skills training assessment of higher vocational colleges, vocational schools, secondary vocational schools and technical schools. 1.2 Feature (1) training platform adopts aluminum frame type structure, measuring instrument and load module uses the way of hanging box installation, training power built-in integrated installation, each unit with flexible, easy to use, not easy to damage. (2) the experimental circuit and devices are fully configured and can be used in combination to complete the training contents of a variety of subjects. (3) the training platform has a good security system.

1 Product overview 1.1 Profile This system can simulate data wiring process, make the students to have a intuitive understanding on data cabling system, trains the student to the corresponding knowledge and skills, suitable for, higher vocational colleges, secondary vocational schools and vocational school related professional teaching and skills training examination. 1.2 Feature (1) Aluminum profile frame structure is adopted to facilitate the installation of devices. Each unit is flexible and easy to use and not easily damaged. (2) Rhe experimental devices are fully configured and can be used in combination to complete a variety of training contents.

The System Should Cover the Following Training Objectives: Study of basic principle of operation of a gear pump Recording of pump characteristics Investigation of relationship between head and speed Influence of pressure limitation Determination of efficiencies Minimum Technical Specifications Required (like or better than): Closed oil circuit Needle valve for modifying the flow rate Overflow valve for head adjustment Should include sensors for temperature and pressure at inlet and outlet of the pump Oval wheel meter act as flow sensor Integrated microprocessor-based instrumentation Gear pump with speed controlled drive its power consumption: 370W, nominal speed ranges from 100 to 750 rpm, maximum flow rate of 32cm³ per revolution and maximum head of 80m Overflow valve: 0 to 5.5bar

The System Should Cover the Following Training Objectives: Study of principle of operation of a piston pump Recording of pump characteristics Study of pressure curves of delivery pressure and cylinder pressure Effect of pulsation damping Investigation of P-V diagram Determination of efficiencies Minimum Technical Specifications Required (like or better than): Closed water circuit system Should include frequency converter to adjust the speed of piston pump Transparent water tank Needle valve for adjusting the flow rate Adjustable head via overflow valve: 0.2 to 2bar Pulsation damping of the head using air vessel with bleed valve Sensors for pressure at outlet and in the cylinder of the pump, flow rate and crank angle Integrated microprocessor-based instrumentation

The System Should Cover the Following Training Objectives: Visualization of cavitation effects in a transparent pump Investigation of formation of cavitation Familiarization with cavitation influence Influence of speed, inlet pressure, flow rate and temperature on cavitation Minimum Technical Specifications Required (like or better than): Should include transparent pump housing and pipe at the inlet side Open impeller to observe the blades during operation adjustable pump speed using frequency converter Temperature control should be via heater and external cooling should be via water supply Rotameter for flow measurement Should include manometers to display of the pressures at inlet and outlet side of the pump Digital display of speed, water temperature in the return and flow rate Closed water circuit Centrifugal pump with drive motor of power consumption: 0.35kW, speed: 520 to 3250rpm maximum flow rate: 60L/min and maximum head: 14m Tank: 20L heater: 2kW inlet pressure measuring range: -1 to 0bar outlet pressure measuring range: 0 to 1.5bar

Fonction (s)/Objectifs pédagogiques Use of enthalpic air diagram Characterization of humidification and dehydration phenomena in an air conditioned environment Description : Autonomous unit, monoblock, mounted on mobile support frame, treated against oxidation, PVC panel. Digital display of temperatures from suitable probes for dry and wet temperatures, paper output of results in the form of curves. 1 fan motor assembly, equipped with a manual speed controller . 1 conduct of blowing Including : 1 water vapour injector 1 electric heating battery, regulated temperature and adj

1. Description The wiring of electrical components for the start and operation of refrigerant compressors is a typical task in the field of refrigeration. Safety aspects also play an important role. With SR 171 this knowledge and these skills can be acquired. All components are operated and tested with mains voltage to provide high relevance for practice. The electrical components for the start and operation of the refrigerant compressor are arranged clearly visible. The electrical connection of the individual components is made with cables via the lab jacks. The components are e.g. the capacitor and startup relay necessary to start the motor. The circuit diagram on the front panel enables the easy allocation of the individual components. The refrigeration circuit with compressor and receiver enables the checking of the pressure switches on the intake and delivery side of the compressor. The pressure is set via valves and the pressure switch tripped. Two manometers enable the monitoring of the pressure curve. If one of the pressure switches trips, the current supply to the compressor is interrupted. The wiring and checking of other typical components of the safety chain, e.g. circuit breaker and automatic fuse, is also carried out.