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1. Safety Information 

To avoid possible electric shock or personal injury, and to avoid possible damage to the Meter or to 
the equipment under test, adhere to the following rules: 

1.

 

Before using the Meter inspect the case. Do not use the Meter if it is damaged or the case 
(or part of the case) is removed. Look for cracks or missing plastic. Pay attention to the 
insulation around the connectors. 

2.

 

Inspect the test leads for damaged insulation or exposed metal. Replace damaged test 
leads with identical model number or electrical specifications before using the Meter. 

3.

 

Do not apply more that the rated voltage, as marked on the Meter. 

4.

 

When measurement has been completed, disconnect the connection between the test 
leads and the circuit under test, remove the esting leads away from the input terminals of 
the Meter and turn the Meter power off. 

5.

 

Do not carry out the measurement when the Meter’s back case and / or battery door is 
opened to avoid electric shock. 

6.

 

When the Meter working at an effective voltage over 30V in AC, special care should be 
taken. 

7.

 

Use the proper terminals and functionyou're your measurements. 

8.

 

Do not use or store the Meter in an environment of high temperature, humidity, explosive, 
inflammable and strong magnetic field. The performance of the Meter may deteriorate 
after dampened. 

9.

 

Do not use the Meter if the surface of it is wet or the user’s hands are wet. 

10.

 

When using the test leads, keep your fingers behind the finger guards 

 
 
 

Summary of Contents for AX-3550

Page 1: ...Digital clamp meter AX 3550 Instruction Manual...

Page 2: ...er 4 When measurement has been completed disconnect the connection between the test leads and the circuit under test remove the esting leads away from the input terminals of the Meter and turn the Met...

Page 3: ...um up the phase power measurement result which had been selected if you didn t select any phase of 3 phase is invaild SAVE Press once to store single reading and the Meter beeps The index number shown...

Page 4: ...ry switch deasil to make the position away from the OFF position Hearing a beep sound indicates the meter is turned on The LCD displays all symbols firstly and then return to the normal mode If the sy...

Page 5: ...of phase angle KVAr The unit of reactive power W Watt Sum of Watt The battery is low Warning To avoid false readings which could lead to possible electric shock or personal injury replace the battery...

Page 6: ...uency symbol MEM Indicator for data store FUL Indicator for data stored is full Data hold is active 4 Specifications AC Voltage True RMS Range Resolution Accuracy Allowable Maximum overload protection...

Page 7: ...racy Allowable Maximum overload protection current Frequency Range 40A 0 1A 2 5 1000A RMS 50Hz 60Hz 100A 400A 1000A 1A Active Power W V x A x COS Current Voltage Voltages Range 100V 400V 750V Current...

Page 8: ...Power VA V x A Current Voltage Voltages Range 100V 400V 750V Current Range 40A 4 00KVA 16 00KVA 30 00KVA 100A 10 00KVA 40 00KVA 75 00KVA 400A 40 00KVA 160 0KVA 300 0KVA 1000A 100 0KVA 400 0KVA 750 0K...

Page 9: ...1000KVAr 0 01KVAr 100kW 0 1KVAr Power Factor PF W VA Range Accuracy Resolution Measuring Condition 0 3 1 capacitive or inductive 0 022 0 001 The minimum measuring current 10A The minimum measuring vol...

Page 10: ...Measuring current less than 10A OR Measuring voltage less than 45V Remarks Allowable maximum overload protection voltage 750V RMS Allowable maximum overload protection current 1000A RMS Basic Functio...

Page 11: ...00Hz Active Energy 0 001 9999 kWh 3 2 digits Temperature 50O C 1300O C 58O F 2372O F Special Functions Auto Ranging Single phase 2 wire Balance 3 phase 3 wire 3 phase 4 wire True RMS AC Voltage or Cur...

Page 12: ...y as soon as the battery indicator appears With a low battery the Meter might produce false readings that can lead to electric shock and personal injury 2 When opening the battery door must make sure...

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