Specification :

Traffic Countdown Timer 2 Digit
Using latest LED Technology, Traffic Countdown Timer is another innovative product from Alton Ray Co.
1 : 1. Technical specification of 2 digits countdown timers:
This product is designed to help motorists understand and be informed of the remaining time of red and green phase. This help to control air pollution and save fuel consumption, and also can prevent car accidents and reduce stress of drivers.
TT-24countdown timer can count 0 to 99 seconds and can display numbers at day and night from 75meter distance.
Green countdown timers have 182 green LEDs with luminous intensity of 8.0 candle
Red countdown timers have 224 red LEDs with luminous intensity of 4.0 candle.
Elecrical specifications
Countdown timers have a control system that produce appropriate operation voltage.
Operation Voltage
• Operation voltage of LED countdown timers shall be between 176-264 V Ac and the frequency of 47-53 Hz.
Electrical Power
• Countdown timer electrical power in 220 V Ac is 18 watt.
Size
Countdown timer diameter is 30cm and size of displaying number is 27cm.
Physical specification
• Countdown timers body is made of anti UV polycarbonate materials.
• Weight of countdown timer without connectors is 2, 0 kg.
• It can be installed on traffic signal bodies and it can withstand ultraviyolet exposure.
Therewith general scheme of traffic countdown timer and technical specification of countdown timers.
Optical specification
• For displaying in green 182 LEDs with minimum luminous intensity of 8.0 candle is used and the minimum luminous intensity of green light at time of displaying 88 is 1456 candle.
• For displaying in red 244 LEDs with minimum luminous intensity of 4.0 candle is used and the minimum lumnous intensity of red light at time of displaying 188 is 896 candle.
• LEDs exposure angle is 30 ° .
• Minium luminous intensity is 3500 candla m* m.
Longevity
1. LED traffic countdown timer life time is 100, 000 hours.
2. The system has 10, 000 hours warranty.
2 : Other specifications
1. Automatically adjustable light intensity.
2. Easy installation without need of wiring.
3. Ability of concordancy with intelligent controlling system.
4. It can adjust the remaining time of each phase with order of pedestrian .
5. Warranty services in all the countries.