Measuring wheel also called mechanical ranging car or digital distance measuring wheel.it is widely used to measuring distance in professional surveying and mapping work,road engineering, landscape planning and design,golf course and lanes ect.
The instruction of digital measuring wheel
Please read this instruction before you use the product
Thanks you for choosing our product. This instrument is a new length measuring instrument, it is easy to use,stable and reliable.
The main features:
You could convert the unit between metric and foot; The data could be stored and extracted; The touch switch of the digital measuring wheel is anti-water; The handle which could adjust the height of the instrument is easy to apply. The wheel wrapped with rubber could help to avoid slipping so that the measuring data is more precise.
1.The main parts (From up to down):
Handle
Data display panel
Battery cover
Handle lock
Measuring wheel
Kickstand
2. Technical data:
A. It could measure up to 99999.9m/ft.
B. Accuracy:+/- 0.3%
C: Minimal display :0.1m
D: Power supply 3V (2xAAA LR003)
E: Suitable temperature for use : -10c°~45c°
3. Button and Operation
CLR: Clearance
SM : Store the data
ON/OFF: Switch
Rm: Extra the data
M/ft: Conversion between metric and foot
Data display panel
Power supply
The stored data
The displayed data
Metric
Foot
1. ON/OFF : Switch.
2. m/ft: it means the conversion between metric and foot. If you select (m), the displayed data is based on metric. If you select (ft) ,the displayed data is based on foot.
3. SM: Store the data. You could save the data that shows on the display panel by pressing this button. It could store 5 records that respectively show on M1, M2,M3, M4, M5.( Refer to Table 1)
Before storing After storing Full of the memory
(Table 1)
4. RM: Extract the stored data from SM. For example, if you have already stored the measuring data 5M as M1, 10M as M2. But now the measuring data is 120.7M, you could press the bottom RM once then the digital display panel will shows the the data of M1. The top right of the display panel shows [R". The data of the digital display panel will return to the present data after two seconds. ( Refer to Table 2). If you press the RM twice, the data of the M2 will show on the display panel, the [R" also is on the top right. The data of the digital display panel will return to the present data again after two seconds.
Present data Press the RM Once After 2 seconds
(Table 2)
Present data Press the RM twice After 2 seconds
(Table 3)
5. CLR: Clearance. Once you press this button, the present data will be deleted.
4.Precautions for use
Please open the handle lock to adjust the suitable height of this instrument at first and then close it before using the instrument. Put away the kickstand and turn on the power. Put the wheel on the road to be measured when the data is 0.0m on the digital display panel. Please press the bottom CLR if you want to delete the present data.
1. Please go straight if you want to measure a straight line to ensure the accuracy of the measurement.
2. Do not measure uneven surfaces because it will reduce the accuracy.
3. Do not measure in the rain for a long time.
4. Do not use the instrument under the high temperature environment or keep this product in the high temperature place.
5. Please open the battery cover by using the cross-head screwdriver and change the battery when the digital display panel is dark.
6. Do not deal with the used batteries by yourself, please send them to the government designated place where to recycle them.
7. Please remove the battery and clean the instrument by use the mild detergent to prevent rust if you haven`t used it for a long time. Then please pack it well and save it in the rough place.
8. Do not use benzene solution to clean the instrument, otherwise its surface will be corroded.
9. Do not use this the instrument as a toy for child for avoiding unnecessary damage.
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This kind of brass sounds like it may make you an outsider. Explain to you first that brass is an alloy of copper and zinc. This material is widely used in the manufacture of valves, water pipes, faucets, air-conditioner connecting pipes, radiators, and so on. It can be said that brass is in the lives of ordinary people. everywhere.
However, brass is very hard and it is difficult to cut and process into the ideal shapes of various products. Therefore, people will add “lead†when they are manufactured. In this way, lead brass will have good plasticity at high temperatures, making it easy Processed into a variety of ideal shapes.
However, this raises another problem. Lead is not environmentally friendly. When the blood lead concentration in the human body exceeds 30 μg/100 ml, symptoms such as dizziness, insomnia, and abdominal pain will occur. Therefore, countries such as the United States and the United States have strict regulations on the use of brass, which must be lead-free, and international high-end electrical appliances are also required to lead.
Brass not only has to be lead, but also has the characteristic of being cut. Such a material is “environment-friendly lead-free and easy-cutting brassâ€. This is a very high technical requirement. For a long time, only two companies in Germany and Japan have mastered the technology.
In 2002, a company engaged in R&D and production of high-performance, high-precision non-ferrous alloy materials in Yinzhou District focused its attention on environmentally friendly lead-free and easy-cutting brass.
“Since this year, Chief Engineer CAI Yuhua led the technical innovation team to overcome the technical difficulties. After years of research and development, he finally discovered a special material called 锑, which can replace lead. With the addition of 锑 brass, it is easy to cut and shape. , And no harm to the human body.†Ningbo Bowei Alloy Material Co., Ltd. Board Secretary Yuan Boyun said.
At present, the Ningbo company has applied for international patents, and world-renowned companies and even top 500 companies have thrown olive branches. "In addition to Kohler and TOTO, each IPAD and IPHONE have our own environmental protection brass." Zhao Hongbin, director of the R&D center, said, "Apple has appointed Foxconn to us for two years in a row. Last year, Foxconn purchased more than 1,400 from us. t Precision copper alloy rods."
It is understood that this Ningbo company plans to build a production base in the Binhai Investment and Venture Park. As of May this year, the purchase intention has reached 7500 tons, which is basically the world's top 500 companies such as Andrew, Siemens, Apple, Panasonic and so on.
At present, the lead-free brass project has been listed as a major achievement project in the national "Eleventh Five-Year" science and technology support program. The person in charge of the Ningbo Municipal Science and Technology Bureau said that this project has eased the situation in which China's high-end lead-free and easily-cutting brass rods are heavily dependent on imports.
IPHONE5 may be ahead of schedule and may be listed as early as August. Recently, the news circulating on the Internet is worth looking forward to for Apple fans. However, you may not know that either the IPHONE or the IPAD has used the new type of material developed and produced by the Ningbo company—environment-friendly lead-free and easy-cutting brass.