Model NO.: DF-72703101
Feature: High Definition, Waterproof / Weatherproof
Video Capture System: Video Camera
Video Transmission System: Optical Fiber Transmission
Software Function: Monitoring
Software Usage: Vehicle Monitoring Software
Client Software: Without Client Software
Model: CCTV
Sensor: CCD
Kind: Autofocus Lens
Technology: Infrared
Horizontal Resolution: 700tvl
Trademark: VEISE
Specification: CE, FCC, ISO9001: 2000, RoHS, E-MARK
Origin: China
HS Code: 8525801390
Agricultural Machinery Accessories Camera System for Security
*Free Operating Voltage DC8-32 Volts Recreation Vehicle Backup System
*Left Right Rear Direction Make Use of Color CCD Backup Cameras
*7" TFT LCD Reversing Monitor with Removable Sun Visor, On-Screen Menu for All Settings: Normal/Mirror view, Reversing Image Delay, Priority of Reverse Camera, Automatic switch ON (by reverse gear and or by direction lights)and Built-in CDS Sensor for Illumination of the Control Knobs
*Responsing time is less than 2" when reversing
*Camera water proof IP69K.
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| Recreation Vehicle Rear View System DF-72703101 |
| Aluminum Shell Waterproof IR Color CCD Camera(MODEL: DF-8079) |
| Image Type: 1/3' ' Â Color Sony CCD |
| Horizontal Resolution: 700TV Lines |
| Resolution Pixels: PAL: 976(H)*582(V), NTSC: 976(H)*494(V) |
| Usable Illumination: 0Lux( Built in 18pcs IR LED' s for Picture Support in the Dark) |
| Free viewing angle: 130° |
| Waterproof: IP69K |
| Shockproof: 10G |
| Video Output: 1.0Vp-p75Ω |
| Automatic Heating Below +10oC |
| Power supply: DC12V from Reversing Monitor |
| Dimensions: 74(W) x 49(H) x 57(D) mm (without mounting) |
|
| 7 inch Digital Screen TFT LCD Color Monitor (Model: SP-727) |
| 7" Digital Screen TFT LCD Color Monitor with Removable Sun Visor |
| OSD MENU Separately Set Each Camera Trigger Priority |
| OSD MENU Separately Set Each Camera Reversing Image Delay Time 0-30" |
| OSD MENU Separately Set Each Camera Mirror/Normal image |
| Manual and Automatic Switch Display Mode |
| Color System: PAL/NTSC (AUTO) |
| Display Resolution: 800RGB(H) X 480(V) dot |
| Support Two Camera Video Inputs: 1.0Vp-p75Ω |
| Wide view angle(CR: 10): (up/ down): 45/65 (left/right): 65/65 |
| Brightness (cd/m2): 400 |
| Contrast ratio: 500: 1 |
| Back-light: Single LED |
| Operating temperature: -20º C to +70º C |
| Storage temperature: -30º C to +80º C |
| Free Operating Voltage DC8-32V |
| External dimensions: W*H*D(185X124X23)mm(without mounting) |
| Weight Approx: 379g |
|
| Product Accessories |
| Monitor bracket, 15m cable, Electrical connecting cable solution, Auto cigarette lighter. |
|
Curing Agent
Curing agents, also known as hardeners, are essential components of many polymer systems, including Epoxy Resins. Curing agents react with the epoxy resin to form a three-dimensional crosslinked network, resulting in a cured polymer with improved mechanical properties, chemical resistance, and thermal stability.
There are several types of curing agents, each with its own unique properties and applications. The most common type is amine-based curing agents, which react with the epoxy functional group to form a secondary amine and an alcohol. This reaction is exothermic and can be accelerated by heat, making it ideal for high-temperature applications.
Another type of curing agent is anhydride-based, which react with the epoxy group to form a cyclic acid anhydride and a hydroxyl group. These curing agents are typically used in applications where water resistance is critical, such as marine coatings and adhesives.
Other types of curing agents include phenolic, acid, and catalytic curing agents. Phenolic curing agents are used in high-temperature applications, while acid curing agents are used in low-temperature applications. Catalytic curing agents are used to accelerate the curing process and are typically used in combination with other curing agents.
The choice of curing agent depends on the specific application requirements, such as cure time, cure temperature, and final properties of the cured polymer. It is important to choose the correct curing agent to ensure that the final product meets the desired specifications.
In summary, curing agents are essential components of many polymer systems, including epoxy resins, and play a critical role in improving the mechanical, chemical, and thermal properties of the cured polymer. The choice of curing agent depends on the specific application requirements and must be carefully considered to ensure the final product meets the desired specifications.
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