CTM-800-type road speedometer site verification device an overview of CTM-800-type road speedometer site verification device is Zibo Micro-Electronics Co., Ltd. independently developed high-performance microprocessor core road test detection systems, instrumentation with a laptop to form a complete detection system, the car is equipped with high-precision speedometer, with a car outside the high brightness LED display, real-time display the actual vehicle speed, radar speed measurement equipment, and the sense coil measured data comparison site or verification. You can test the radar gun in the actual real effect. Second, the main test items: 1: test time, instantaneous speed, average speed; 2: You can test site for radar equipment than; 3: You can sense coil gun system than on-site verification; 4: Fixed HD road test radar equipment; Third, the technical performance indicators system power consumption: less than 10W (static power 5W) built-in power: DC9.6v (1.2v 4AH NiCd 8) External power supply: DC12V standard 9-pin RS232 interface. (3 feet signal output, 2 feet signal input, 5 feet signals). 9600 baud, 8 data bits, 1 stop bit and no parity. Dimensions: 220X 200 X 70 mm Weight: 1 kg (including the built-in battery) Operating temperature: -10 ℃ ~ 40 ℃ Humidity: 30% ~ 80% No. Item 1 Speed ??Measurement Range Resolution Accuracy 0 ~ 250.0 km / h 0.1 km / h 0.5% 2 distance 0 ~ 99999.999 m 1 mm 1% 3 times 0 ~ 99999.999 s 1 ms 0.5% 4 deceleration 0 ~ 9.9 m / s2 0.1 m / s2 1% 5 MFDD 0 ~ 9.99 m / s2 0.01 m / s2 1% km / h: km / h m: m mm: mm s: seconds ms: milliseconds m / s2: meter / second squared km: kilometers (km)