3
The instrument performance is stable, the quality of reliability is Smart Key 3 5/6 digital
multimeter, using LCD display, clear reading, intuitive display, easy to operate, can be used to
measure the DC voltage, AC voltage sine wave RMS, DC current, AC current sine wave True
RMS, resistance, capacitance, frequency, duty cycle, diode, Data hold, Auto power off. As well
as unit symbol display, data retention, automatic power and other functions. The machine uses
a high-performance MCU processor; the instrument is fully functional, high accuracy, easy to
use, is the laboratory, factories, radio enthusiasts and the ideal home tools.
1. Security Information
Warning
Use this instrument with special attention, improper use may cause
electric shock or damage to the instrument. In accordance with the usual
safety procedures and full compliance with the safety regulations specified
in the manual.
In order to make full use of the functions of the instrument and to
ensure safe operation, please carefully read and follow the instructions of
this manual.
Instrument in line with GB / T 13978-92 digital multimeter general technical conditions, in
line with GB4793.1-1995 (IEC-61010-1, IEC-61010-2-032) electronic measuring instruments
safety requirements CAT III 600V
Follow the safe operating instructions to ensure safe use of the instrument.
Appropriate use and protection, the instrument will give you a satisfactory service.
1.1 Preparation
1.1.1 When using the instrument, the user must comply with the standard safety rules:
- Universal anti-shock protection
- Prevent misuse of instruments
1.1.2 After receiving the instrument, check if it is damaged during transport.
1.1.3 In the rough conditions of preservation, shipment, check and confirm whether the
