Factory direct Chengzhao agent distribution 

 Features: 1, area measurement 2 from the perimeter, prices, record store at night backlight 6, latitude, longitude, graphical display 
 Applies to: farmland, green land, forests, waters, harvester, rice transplanter, tractors do the industry. 
 Technical parameters: 
 1) the area of ??measuring range: 0-9999999 m 2, or 0-999999.9 acres 
 2) the area to measure the relative accuracy: 5% (<2 acres), 3% (<10 acres), 2% (<50 acres), 1% (100 acres) 
 3) The distance measurement range of 0 to 999,999.9 m 
 4) The distance measurement accuracy: ± 2.5 m 
 5) conditions: temperature -10 ℃ to 50 ℃ Humidity 5% to 95% 
 6) the storage of records: 1000 records and <20 graphics or 2500 points 
 7) Supply Voltage: 6V (4 section 5 battery) 

 The area of ??land measuring instrument FAQ: 
 (1) the use of satellite signals the need for the additional cost of monthly rent, etc.? 
 Do not. The instrument can be long-term free reception of satellite signals as radio free radio signals. 
 (2) the instrument can not be switched 
 Try to repeatedly press the "Power" button, check the battery. 
 By measuring the number of measurement points does not jump up. 
 The instrument may be set to manual measurement methods, then you can press the "Save" button to save the measurement point to be measured, or press the "function" key to select the automatic measurement, and measurement. 
 4, measuring the slope of the measured data is the bevel area? 
 Not, the data is the horizontal projected area of ??the sloping incline. 
 Walking speed affect the measurement? 
 No effect on the straight-line walking, turns should be slow down. 
 6. Running, cycling, riding a motorcycle or drive a car measuring it? 
 Can recommend a turn, slow down. 
 Rainy days can use the measuring instrument? 
 Yes, but thunder and lightning, you should stop using it.