MS8250B Datasheet | Mastech

MS8250A/B Digital Multimeter Operation Manual MS8250A/B Digital Multimeter Safety information 1. Safety information Warning Please particularly note that inappropriate use may cause shock or damage to the meter. When using, ply with mon safety procedures and pletely follow the safety measures stated in the operation manual. In order to make full use of the meter’s functions and ensure safety operation, please carefully read and follow the use methods in the operation manual. The meter meets GB/T 13978-92 digital multimeter general technology conditions, GB4793.1-1995 (IEC 61010-1, IEC 61010-2-032) electronic measurement instrument safety requirements with secondary pollution and over-voltage standard of CAT Ⅳ 600V. Please follow the safety operation guidelines to ensure the safe use of meter. The meter will provide satisfactory service to you if you use and protect it appropriately. 1.1 Preparation 1.1.1 When using the meter, the user should ply with standard safety rules: - General shock protection - Prevent misusing the meter 1.1.2 Please check for damage that may have occurred during transportation after receiving the meter. 1.1.3 If it should be stored and shipped under hard conditions, please confirm if the meter is damaged. 1.1.4 Probe should be in good condition. Before use, please check whether the probe insulation is damaged and whether metal wire is bare (not properly insulated). 1.1.5 Use the probe table provided with the meter to ensure safety. If necessary, it should be replaced with another identical probe or one with the same capacity.- 1 - MS8250A/B Digital Multimeter Safety information 1.2 Usage 1.2.1 When using, select the correct function and measuring range. 1.2.2 Don't exceed the indicated maximum of each measuring range. 1.2.3 When measuring circuits with the meter connected, do not touch the probe tip (metal part). 1.2.4 When measuring, if the voltage to be measured is more than 60 V DC or 30 V AC (RMS), always keep your fingers always...