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1. SAFETY INFORMATION

•  Read the following safety information carefully before attempting to 

operate or service the meter. 

•  To avoid damages to the instrument do not apply the signals which 

exceed the maximum limits shown in the technical specifications tables. 

•  Do not use the meter or test leads if they look damaged. Use extreme 

caution when working around bare conductors or bus bars. 

•  Accidental contact with the conductor could result in electric shock. 
•  Use the meter only as specified in this manual; otherwise, the protection 

provided by the meter may be impaired. 

•  Read the operating instructions before use and follow all safety 

Information.  

2. SAFETY SYMBOLS

Caution refer to this manual before using the meter. 

Dangerous voltages. 

Meter is protected throughout by double insulation or reinforced 
insulation. 

When servicing, use only specified replacement parts. 
CE Comply with EN-61010-1 

 

 

3. OPERATING INSTRUCTIONS

Link the test line 
Check the wires state: 

Before pushing the "test" button, certificate the 3 led status 

P-E

 - led light 

P-N

 - led light 

P-N

 - reverse led not light 

If indicating light's status is not like this, don't test and check the 

wires again. 

3.1. Voltage test 

When the tester is linked to the power, LCD will update the voltage (P-E) 
per second. If the voltage is unusual or not expected value, don't proceed 
with the test! 

         The tester only used in 10% -15% (50Hz). 

 

 

 

3

Summary of Contents for MT350

Page 1: ...INSTRUCTION MANUAL LOOP IMPEDANCE PSC TESTER MT350...

Page 2: ...tage Test 3 3 2 Loop Test 4 3 3 Prospective Short Current Test 4 4 Features 4 5 Electrical Specifications 5 5 1 Loop Resistance 5 5 2 Prospective Short Current 5 5 3 AC Voltage 50Hz 5 6 Parts Controls...

Page 3: ...structions before use and follow all safety Information 2 SAFETY SYMBOLS Caution refer to this manual before using the meter Dangerous voltages Meter is protected throughout by double insulation or re...

Page 4: ...ATURES Lines test 3 LED indicates lines state When reversed the third LED lights up Over heat protect When the temperature of the resister is high the tester will cut and lock LCD will display Tempera...

Page 5: ...000 1 15mA 20ms 2 of F S 5d 5 2 PROSPECTIVE SHORT CURRENT Range Resolution Test Time Full Scale Accuracy 200A 0 1A 2 3A 20ms 2 of F S 5d 2KA 1A 25A 20ms 2 of F S 5d 20KA 10A 25A 20ms 2 of F S 5d Range...

Page 6: ...ice is RCD Ia is rated residual current I n I n 10 30 100 300 500 1000 mA Ia 50v 5000 1667 500 167 100 50 Ia 25v 2500 833 250 83 50 25 According to IEC 60364 every loop should meet the formula Zs U la...

Page 7: ...Turn the meter off and remove the test leads 3 Unsnap the tilt stand from the rear of the meter 4 Remove the four Phillips head screws holding the battery cover 5 Remove the battery compartment cover...

Page 8: ...www major tech com www majortech com au sales major tech com info majortech com au MAJOR TECH PTY LTD South Africa Australia...

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