Product Description
Dedi 49inch touch screen digital signage High Brightness Outdoor LCD display
Specification
| Model No. | DD49BR10571 | ||||||||
| Panel size | 49″ TFT-LCD | ||||||||
| Display area(mm)/mode | 702.4*396.8 16:9 | ||||||||
| Maximum resolution | 1920*1080 | ||||||||
| Display color | 16.7M | ||||||||
| Pixel Pitch(mm) | 0.4845(H)*0.4845 (V) | ||||||||
| Brightness (nits) | 1500cd/m2 | ||||||||
| Contrast | 4000:1 | ||||||||
| Visual angle | 178°/178° | ||||||||
| Response time | 5ms | ||||||||
| Life(hrs) | >60,000(hrs) | ||||||||
| Input and output | |||||||||
| RJ45 | Included(Network version only) | ||||||||
| 3G / WIFI Module | Included(Network version only) | ||||||||
| USB | 1 ( USB2.0 interface) | ||||||||
| SD | 1 (Compatible MMC/MS) | ||||||||
| CF | 1(optional) | ||||||||
| L/R audio input | 1 (RCA*2) | ||||||||
| L/R audio output | 1 (RCA*2) | ||||||||
| Speaker | 2×5W(9Ω) | ||||||||
| Video | |||||||||
| Color system | PAL/NTSC/SECAM | ||||||||
| Remote controller | IR Remote Controller | ||||||||
| OSD display( screen menu display) | |||||||||
| Menu language | Chinese/English( Multiple Language Supported) | ||||||||
| Power | |||||||||
| Power supply | AC100~240V 50 /60 HZ | ||||||||
| Maximum power consumption | <=280W | ||||||||
| Standby power consumption | <5W | ||||||||
| Temperature | |||||||||
| Working temperature | 0°C~50°C | ||||||||
| Storage temperature | -20°C~60°C | ||||||||
| Working humidity | 20%~85% | ||||||||
| Storage humidity | 10%~90% | ||||||||
| Appearance | |||||||||
| Color/appearance | White,black,customized | ||||||||
| Body Dimension | 1900(H)*886(L)*90(W)mm | ||||||||
| After packing size | 1990mm×1030mm×250mm | ||||||||
| Case | Metal case SPCC | ||||||||
| Installation | Floor-standing | ||||||||
| Gross Weight | 108kg | ||||||||
| Quality Standard | ISO9001,CCC | ||||||||
| Detailed functions | |||||||||
| Video format | MPEG1/MPEG2/MPEG4/DivX/ASP/WMV/AVI | ||||||||
| Audio format | Wave/MP3/WMA/AAC | ||||||||
| Image format | JPEG/BMP/TIFF/PNG/GIF | ||||||||
| Image resolution | 480P/720P/1080P | ||||||||
Features:
1.Available size: 43,55,65,floor stand or wall mounted
2. Outdoor waterproof level IP65 sunlight readable
3. Super brightness up to 2500nits
4. Quality AR 6mm tempered glass for protection
5. Anti-moisture, Anti-lightning, Safety lock
6. Support to load interactive software applications
7. Intelligent temperature control system to keep its internal thermostat dry environment, prevent fogging, condensate phenomenon
8. Support 10 groups timed period back light control, convenient and easy to operate
9. Provide detection for internal voltage. It’ll self-closing for protection once it deviates from the standard value range
10. The front use of imported anti-glare AR laminated glass, can effectively increase the internal light is projected to reduce the reflection of external light
11. Galvanized steel shell, via a dedicated outdoor powder paint, waterproof sunscreen, anti-corrosion, explosion-proof professional surface treatment; can be used outdoors for 10 years without fading.
12. Full galvanize steel cabinet, the outer surface of imported metal paint, anti-magnetic, anti-static, waterproof material imports
13. The liquid crystal screen display image colors more vivid and bright
Optional:
1.Available Size:43,55,65,floor stand / 32,43,55wall mounted
2.Windows System: support to customized Windows 8.1/10 OS
3.Optional: 3G/4G module, Camera, WIFI probe.
4.Touch Screen: support to customized IR touch(6 points)/Capacitive touch(10 points)
Application:
Bank,school,park,square,parking lot,train/bus/metro/railway station,airport, shopping mall, cinema, library, stadium, etc semi outdoor & outdoor environment.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack the goods neutrally (no brand name, no logo), however, if you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: 100% TT for sample ∣ 50% T/T, and 50% balance on delivery ready for bulk order.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: It depends on the quantity as well as the date of order confirmation (by deposit). Generally 15 days for 10 sets
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can supply drawings according to the customization.
Q6. What is your sample policy?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q7. Do you test all your goods before delivery?
A: Surely, that’s an important way to make sure with quality. Our QC staffs will do their job very carefully. Before delivery, we’ll send you the testing results with sufficient videos and pictures.
Q8: What is your warranty policy?
A: 3 years (1 year for whole machine, 2 more years for hardware). Response in 1 hour.
How to tell if your driveshaft needs replacing
What is the cause of the unbalanced drive shaft? Unstable U-joint? Your car may make clicking noises while driving. If you can hear it from both sides, it might be time to hand it over to the mechanic. If you’re not sure, read on to learn more. Fortunately, there are many ways to tell if your driveshaft needs replacing.
unbalanced
An unbalanced driveshaft can be the source of strange noises and vibrations in your vehicle. To fix this problem, you should contact a professional. You can try a number of things to fix it, including welding and adjusting the weight. The following are the most common methods. In addition to the methods above, you can use standardized weights to balance the driveshaft. These standardized weights are attached to the shaft by welders.
An unbalanced drive shaft typically produces lateral vibrations per revolution. This type of vibration is usually caused by a damaged shaft, missing counterweights, or a foreign object stuck on the drive shaft. On the other hand, torsional vibrations occur twice per revolution, and they are caused by shaft phase shifts. Finally, critical speed vibration occurs when the RPM of the drive shaft exceeds its rated capacity. If you suspect a driveshaft problem, check the following:
Manually adjusting the imbalance of a drive shaft is not the easiest task. To avoid the difficulty of manual balancing, you can choose to use standardized weights. These weights are fixed on the outer circumference of the drive shaft. The operator can manually position the weight on the shaft with special tools, or use a robot. However, manual balancers have many disadvantages.
unstable
When the angular velocity of the output shaft is not constant, it is unstable. The angular velocity of the output shaft is 0.004 at ph = 29.5 and 1.9 at t = 1.9. The angular velocity of the intermediate shaft is not a problem. But when it’s unstable, the torque applied to it is too much for the machine. It might be a good idea to check the tension on the shaft.
An unstable drive shaft can cause a lot of noise and mechanical vibration. It can lead to premature shaft fatigue failure. CZPT studies the effect of shaft vibration on the rotor bearing system. They investigated the effect of flex coupling misalignment on the vibration of the rotor bearing system. They assume that the vibrational response has 2 components: x and y. However, this approach has limited application in many situations.
Experimental results show that the presence of cracks in the output shaft may mask the unbalanced excitation characteristics. For example, the presence of superharmonic peaks on the spectrum is characteristic of cracks. The presence of cracks in the output shaft masks unbalanced excitation characteristics that cannot be detected in the transient response of the input shaft. Figure 8 shows that the frequency of the rotor increases at critical speed and decreases as the shaft passes the natural frequency.
Unreliable
If you’re having trouble driving your car, chances are you’ve run into an unreliable driveshaft. This type of drivetrain can cause the wheels to stick or not turn at all, and also limit the overall control of the car. Whatever the reason, these issues should be resolved as soon as possible. Here are some symptoms to look for when diagnosing a driveshaft fault. Let’s take a closer look.
The first symptom you may notice is an unreliable drive shaft. You may feel vibrations, or hear noises under the vehicle. Depending on the cause, it could be a broken joint or a broken shaft. The good news is that driveshaft repairs are generally relatively inexpensive and take less time than a complete drivetrain replacement. If you’re not sure what to do, CZPT has a guide to replacing the U-connector.
One of the most common signs of an unreliable driveshaft is clanging and vibration. These sounds can be caused by worn bushings, loose U-joints, or damaged center bearings. This can cause severe vibration and noise. You can also feel these vibrations through the steering wheel or the floor. An unreliable driveshaft is a symptom of a bigger problem.
Unreliable U-joints
A car with an unreliable U-joint on the drive shaft can be dangerous. A bad u-joint can prevent the vehicle from driving properly and may even cause you trouble. Unreliable u-joints are cheap to replace and you should try getting parts from quality manufacturers. Unreliable U-joints can cause the car to vibrate in the chassis or gear lever. This is a sure sign that your car has been neglected in maintenance.
Replacing a U-joint is not a complicated task, but it requires special tools and a lot of elbow grease. If you don’t have the right tools, or you’re unfamiliar with mechanical terminology, it’s best to seek the help of a mechanic. A professional mechanic will be able to accurately assess the problem and propose an appropriate solution. But if you don’t feel confident enough, you can replace your own U-connector by following a few simple steps.
To ensure the vehicle’s driveshaft is not damaged, check the U-joint for wear and lubrication. If the U-joint is worn, the metal parts are likely to rub against each other, causing wear. The sooner a problem is diagnosed, the faster it can be resolved. Also, the longer you wait, the more you lose on repairs.
damaged drive shaft
The driveshaft is the part of the vehicle that connects the wheels. If the driveshaft is damaged, the wheels may stop turning and the vehicle may slow down or stop moving completely. It bears the weight of the car itself as well as the load on the road. So even a slight bend or break in the drive shaft can have dire consequences. Even a piece of loose metal can become a lethal missile if dropped from a vehicle.
If you hear a screeching noise or growl from your vehicle when shifting gears, your driveshaft may be damaged. When this happens, damage to the u-joint and excessive slack in the drive shaft can result. These conditions can further damage the drivetrain, including the front half. You should replace the driveshaft as soon as you notice any symptoms. After replacing the driveshaft, you can start looking for signs of wear.
A knocking sound is a sign of damage to the drive shaft. If you hear this sound while driving, it may be due to worn couplings, damaged propshaft bearings, or damaged U-joints. In some cases, the knocking noise can even be caused by a damaged U-joint. When this happens, you may need to replace the entire driveshaft, requiring a new one.
Maintenance fees
The cost of repairing a driveshaft varies widely, depending on the type and cause of the problem. A new driveshaft costs between $300 and $1,300, including labor. Repairing a damaged driveshaft can cost anywhere from $200 to $300, depending on the time required and the type of parts required. Symptoms of a damaged driveshaft include unresponsiveness, vibration, chassis noise and a stationary car.
The first thing to consider when estimating the cost of repairing a driveshaft is the type of vehicle you have. Some vehicles have more than one, and the parts used to make them may not be compatible with other cars. Even if the same car has 2 driveshafts, the damaged ones will cost more. Fortunately, many auto repair shops offer free quotes to repair damaged driveshafts, but be aware that such work can be complicated and expensive.
