TEMPERATURE RANGE
Operational: -40° to + 74°C (-40° to +165° F)
Storage: -40° to + 85°C (-40° to +185° F)
ELECTRICAL INTERFERENCE
The SP-710 is not affected by any normal (standard) type of RF interference
RELATIVE HUMIDITY RANGE
Operating 10% to 95% RH, non-condensing
TRAILER MATERIAL
51 mm x 152 mm x 3.175 mm steel tubing (2″ X 6″ X 1/8″)
Diamond plate catwalk mounted on display side of trailer to simplify maintenance.
CABINETS
Aluminum sign and control cabinets
Locked with padlocks
Plastic battery boxes
Optional: steel battery boxes, safety locking bars
Weather stripping seals each compartment against moisture
AXLE
Single 907 kg (2000-lb) rated straight hydraulic axle
HITCH
Heavy-duty hitch capacity with 72 mm (3″) pintle eye
Optional: 51 mm (2″) ball coupler
1361 kg (3000-lb) maximum tongue load
Heavy-duty safety chains with safety hooks meeting safety standards
TIRES & WHEELS
Tires: Load Range D 381 mm (15″)
Wheel Size: 381 mm (15″)
5-stud tire rims
Optional: Anti-theft locking mechanism
LEVELING JACKS
Two-screw jacks , each rated at 907 kg (2000 lbs)
Optional: Tongue wheel jack
TRAILER LIGHTS
State-of-the-art halogen lighting as per USDOT standards and specifications
Custom-made connections complying with customer specifications
LIFT MECHANISM
Manual winch
SOLAR PANELS
Various configurations of solar panels and batteries available.
High efficiency single-crystal silicon cells anti-reflection coated for improved efficiency.
BATTERIES
6-volt 220 amp/hour deep-cycle batteries wired to provide a 12-volt system
Optional: Various batteries and configurations available
CONTROLLER
MENU DISPLAY (LCD)
Current usage and battery voltage
Solar array current output (to the battery) and voltage
Sign status (error detection)
Current message display
CONTROLS
Can switch from laptop to cellular (local communication RS- communication232)
LCD Display
Keyboard
Charger switch
DISPLAY DIMENSIONS
Display is enclosed in an aluminum cabinet protected by a polycarbonate face
SP-710 U.S.A. 2 digits, 305 mm x 457 mm (12″ x 18″)
35 pixels per character in 5 wide by 7 high matrix
590nm (± 2nm) amber LEDs with viewing angle of 15 degrees (standard)
LEDs have rated life of 100,000 hours
4 LEDs (encased in an enhanced optical lens maximizing legibility at any distance)
Static sign displaying: « YOUR SPEED »
SPEED OF MESSAGE CHANGE
Can be changed completely in less than 100 milliseconds with no visual disturbance.
LEGIBILITY
Messages displayed are easily readable from more than 305 meters (1000 feet)
DISPLAY
590nm (± 2nm) amber-colored LEDs with a viewing angle of 30 degrees (standard)
LEDs have rated life of 100,000 hours
Each amber-colored LED is encased in an enhanced optical lens to maximize legibility from any distance (creating bolder characters)
4 LEDs per pixel in enhanced optical lens
Each pixel shaded by a removable black plastic visor to minimize washout in direct sunlight