ZM-SVR handheld electromagnetic current meter

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First of all, I would like to express my sincere gratitude for choosing products from Zhuoma Company!
The ZM-SVR radio wave current meter is a good velocity measurement instrument that uses radar technology to achieve simple and fast non-contact surface velocity measurement. The instrument is compact and lightweight, easy to carry, and suitable for on-site testing of difficult to use submerged measuring instruments such as floods or rapids.
The ZM-SVR radio current meter integrates many good technologies. For example, using precision planar narrowband array radar sensors, FFT digital signal processing, flow velocity direction recognition, automatic correction of vertical and horizontal angles, etc; The instrument can measure a large flow velocity of 20m/s and has high detection sensitivity. The flow meter is equipped with a large color LCD screen and embedded with guided menu software, which is very convenient for users to operate.
We sincerely hope that users can read this manual before using the ZM-SVR radio current meter, so that you will have a better understanding of how to use this good speed measuring instrument. This manual provides a detailed introduction to the usage, maintenance, and precautions of the ZM-SVR electromagnetic current meter.

ZM-SVR User Manual
 Precautions and Usage Restrictions
Attention: The product design and manufacturing of Nanjing Zhuoma Electromechanical Co., Ltd. are safe and reliable. Please use them correctly (according to the text instructions shown) and fully comply with the following precautions, so as not to cause harm to the instrument and human body.

Legend:
Explanation: Attention/Warning
Please read carefully the precautions related to transportation, use, and maintenance.
The following precautions should be taken:
Operating environment and precautions for electricity usage
Warning: Do not use the instrument in places where there are or may be flammable and explosive gases.
Caution: Do not place the instrument in contact with the water surface or in water.
Caution: Do not place the instrument in extreme temperatures to avoid static electricity.
Instrument operation
Attention: During the use, storage, or transportation of the instrument, it should be handled with care and not dropped or damaged.
 Battery
Warning: Please use the lithium-ion rechargeable battery and charger specified in section 2.4.
Warning: Please charge the battery promptly when it is low.
Attention: The disposal of used batteries must comply with the regulations of your region.
Keyboard buttons
Caution: Do not press the instrument buttons too hard.
RS232 interface, USB interface
Warning: Computer devices connected to RS232 interfaces and USB must comply with BS EN60950/IEC950 standards.
Instrument components
Warning: This instrument is not equipped with spare parts and cannot be disassembled without authorization.
Hazardous substance management
Please comply with the hazardous substance management regulations and dispose of ZM-SVR as waste electronic/electrical products.
Warning: Do not dispose of used instruments into classified waste or urban garbage.
Usage restriction regulations
The design of ZM-SVR meets the requirements of regularity and safety.
Declaration
The design of ZM-SVR meets and complies with the requirements of low voltage indicators.

1 Introduction
The ZM-SVR handheld radio wave current meter uses K-band radio waves for non-contact velocity measurement of rivers, sewage, mud, and oceans. The instrument is compact in size, handheld, powered by lithium-ion batteries, and easy to use. Not corroded by sewage or disturbed by sediment, the non-contact measurement ensures the safety of the measurer.
The instrument includes a highly sensitive planar narrowband radar probe and an angle meter, and is operated handheld. The embedded operating software is menu based and easy to operate.
This manual provides a detailed introduction to the usage and maintenance of the ZM-SVR electromagnetic current meter.
1.1 Instrument Features
For single use, weighing less than 1kg, can be measured handheld or placed on a tripod (optional);
Chinese interface, easy to operate;
Non contact operation, not affected by sediment or water corrosion;
Automatic correction of horizontal and vertical angles;
Multiple measurement modes, able to measure quickly or continuously;
Equipped with a large capacity lithium-ion battery, it can be used continuously for more than 10 hours;
Multiple charging methods are available, including AC, in car, and portable power banks.