Tektronix DMM4020 Digital-Multimeter, DMM, VFD-Multiple segment, 20000 counts CAT II 600 V DMM4020-A1 Data Sheet

 

 

 

 

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Review the following safety precautions to avoid injury and prevent damage to this 

product or any other products connected to it. 
To avoid potential hazards, use this product only as specified. 
Only qualified personnel should perform service procedures. 
While using this product, you may need to access other parts of a larger system. Read the 

safety sections of the other component manuals for warnings and cautions related to 

operating the system. 
This instrument has been designed and tested in accordance with the European standard 

publication EN 61010-1:2001 and U.S./Canadian standard publications UL 61010-1 and 

CAN/CSA-C22.2 No.61010-1-04. The instrument has been supplied in a safe condition. 
This manual contains information and warnings that must be observed to keep the 

instrument in a safe condition and ensure safe operation. 
To use the instrument correctly and safely, read and follow the precautions in this section 

and follow all the safety instructions or warnings given throughout this manual that relate 

to specific measurement functions. In addition, follow all generally accepted safety 

practices and procedures required when working with and around electricity. 
CAT I equipment is designed to protect against transients from high-voltage, low-energy 

sources, such as electronic circuits or a copy machine. 
CAT II equipment is designed to protect against transients from energy-consuming 

equipment supplied from the fixed installtion, such as TVs, PCs, portable tools, and other 

houseshold appliances. 

Use Proper Power Cord.  Use only the power cord specified for this product and 

certified for the country of use. 
Use Proper Voltage Setting.  Before applying power, ensure that the line selector is in 

the proper position for the source being used. 
Connect and Disconnect Properly.  

Do not connect or disconnect probes or test 

leads while they are connected to a voltage source. 
Ground the Product.  This product is grounded through the grounding conductor of the 

power cord. To avoid electric shock, the grounding conductor must be connected to earth 

ground. Before making connections to the input or output terminals of the product, ensure 

that the product is properly grounded. 
Observe All Terminal Ratings. 

To avoid fire or shock hazard, observe all ratings 

and markings on the product. Consult the product manual for further ratings information 

before making connections to the product. 
Do not apply a potential to any terminal, including the common terminal, that exceeds the 

maximum rating of that terminal. 
Power Disconnect. The power cord disconnects the product from the power source. Do 

not block the power cord; it must remain accessible to the user at all times. 
Do Not Operate Without Covers.  Do not operate this product with covers or panels 

removed.