Center 212 Instruction Manual Download Page 13

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4.5

Frequency measurement from the terminals:

Switch the main function to

“

”

range.

Connect red test lead to “+” terminal and black one to the “ COM ”
terminal.
Connect tip of the test leads to the points where the frequency of the
voltage signal is needed.
Read the Result from the LCD panel.

1000

600

600V

1000

600

PEAK

1mS

400

REL

1000

600

1000

HOLD

Summary of Contents for 212

Page 1: ...1000 600 1000 600V 750 1000 40 400 600 A PEAK 1mS V Hz REL 1000 HOLD AC DC CLAMP METER 212 True Rms ...

Page 2: ... Instrument Familiarization 3 Symbol Definition 4 Part and Position 4 IV Measuring Instruction 5 4 1 Current Measurement 5 4 2 Voltage Measurement 6 4 3 Resistance Measurement 8 4 4 Continuity Test 9 Diode Test 10 4 5 Frequency Measurement from the Terminals 11 4 6 Frequency Measurement with the clamp 12 4 7 Button operation 13 V Battery Changing 14 VI Maintenance 14 ...

Page 3: ...tion when measuring live systems with voltage greater than 60V DC or 30V AC Use extreme care when working around bus bars and bare conductors Do not use the meter in over range overload conditions OL Change the battery when the symbol appears to avoid erroneous readings Environmental Conditions Altitude up to 2000 meters Operating temperature 0 C 40 C 80 RH non condensing Storage temperature 10 C ...

Page 4: ...r Low Battery Indication displayed when the battery is below the required voltage Power Source 9V NEDA1604 or 6F22 or 006P Battery Life 33 hrs typical at Amp Hz function 65 hrs typical at function 100 hrs typical at V Ω function Auto Power Off The meter will power itself OFF if there is no push button or rotary switch operation for 30 minutes To deactivate this function press the MAX MIN button an...

Page 5: ...V Autorange Range Resolution Accuracy Input Impedance Overload Protection 400V 0 1V 1000V 1V 1 rdg 2dgts 10 MΩ 1200Vpp Ohm Resistance Autorange Range Resolution Accuracy Overload Protection 400Ω 0 1Ω 4000Ω 1Ω 1 rdg 3dgts 600Vrms Diode Range Test Current Overload Protection Open Circuit Voltage 1 7mA Max 600Vrms 6V Max Continuity Range Active Region Overload Protection 100Ω 600Vrms Frequency Hz Aut...

Page 6: ...tect indication Data Hold indication Manual range indication Resistance measurement indication Voltage Current measurement indication Frequency Measurement indication Analog Bar display 600V 1 2 3 6 9 10 11 5 8 7 4 600 1mS PEAK 1000 HOLD 400 A 1000 40 V Hz REL 600 1000 1000 750 1 Current Sensing Clamp 2 Clamp opening handle 3 Function select dial 4 Hold Button 5 Peak Hold Button 6 Maximum Minimum ...

Page 7: ...C DC button for ACA reading DCA To measure DC current choose DC measurement by pressing the AC DC button Wait for the reading to stabilize then press REL button to null the reading After these are done insert the cable to be measured into the jaw and read the value Note Before this measurement disconnect the test lead with the meter for safety In some occasion that the reading is hard to read push...

Page 8: ...inal and black one to the COM terminal Choose AC or DC by pressing the AC DC button Measure the voltage by touch the test lead tips to the test circuit where the value of voltage is needed Read the result from the LCD panel 1000 400 40 600 1mS PEAK A V Hz REL 1000 HOLD 600 1000 600V 600 1000 ACV measurement ...

Page 9: ...7 1000 600 600V 1000 600 Hz REL 1000 PEAK A 40 400 600 1mS V 1000 HOLD DCV measurement ...

Page 10: ...and black one to the COM terminal Connect tips of the test leads to the points where the value of the resistance is needed Read the result from the LCD panel Note When take resistance value from a circuit system make sure the power is cut off and all capacitors need to be discharged 600V 1000 600 600 1000 PEAK 1mS 400 40 A REL Hz 1000 V 600 1000 HOLD ...

Page 11: ... disconnected from the system Connect red test lead to terminal and black one to the COM terminal Connect tips of the test leads to the points where the conduction condition needed If the resistance is under 100Ω the beeper will sound continuously Beeper Short circuit Open circuit CAT CAT V V 1000 600 III II 600V V V 1000 600 HOLD REL 600 PEAK A 40 400 1mS 1000 V CAT V I I I 1000A Hz ...

Page 12: ...o the anode side and black test lead to the cathode side of the diode being tested Read forward Voltage Vf value from the LCD panel If the polarity of test leads are reversed with diode polarity the digital reading show OL This can be used for distinguishing anode and cathode terminal of a diode 600 PEAK V 1000 600 1mS V V III II 600V V CAT CAT 600 1000 HOLD I I I V CAT A 1000 Hz V 400 A 1000 40 R...

Page 13: ... Hz range Connect red test lead to terminal and black one to the COM terminal Connect tip of the test leads to the points where the frequency of the voltage signal is needed Read the Result from the LCD panel 1000 600 600V 1000 600 PEAK 1mS 400 40 A REL Hz 1000 V 600 1000 HOLD ...

Page 14: ...e and insert the cable to be measured into the clamp Close the clamp and get the reading form the LCD panel Note When doing frequency measurement user should either use the terminal signal or clamp signal but not both If both sources are applied an error reading will occur 1000 750 600V 1000 600 PEAK 1mS 400 40 A REL Hz 1000 V 600 1000 HOLD ...

Page 15: ...r 2 seconds will return the meter back to normal operation Once the function range is changed the meter will need another calibration for peak measurement MAX MIN Function Press the MAX MIN button once will set the meter to MAX mode Press it once again will set the meter to MIN mode Press it once again and meter will display the present reading and still keep track of the MAX and MIN change This m...

Page 16: ... lead and never uses the meter before the cover is closed CAUTION To avoid contamination or static damage do not touch the circuit board without proper static protection REMARK y If the meter is not going to be used for a long time take out the battery and do not store the meter in high temperature or high humidity environment y When take current measurement keep the cable at the center of the cla...

Page 17: ...CENTER TECHNOLOGY CORP 4 F NO 415 Jung Jeng Rd 238 Shu Lin Taipei Taiwan TEL 886 2 26763926 E Mail center centertek com FAX 886 2 26763925 http www centertek com 212 00 ...

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