Digital Clamp Meter (TRMS) Model : 2727
Contents
1. 40Q Approx 1m Sec Approx 0 4V Approx is displayed on LCD and buzzer sounds at continuity 500V DC AC 1 0 0 6 mA Approx 0 4V Approx 500V DC AC Frequency Auto Ranging Range Accuracy Sensitivity 10 00Hz 50 00Hz 500 0Hz 5 000kHz 50 00k Hz 500 0kHz 0 5 rdg 5 dgt 3V Overvoltage Protection 200V DC or AC peak Duty Cycle Auto Ranging Range Accuracy Resolution 1 to 90 0 5 rdg 5 dgt 0 1 Overvoltage Protection 200V DC or AC peak 2 OPERATION Before taking any measurements read the safety information section Always examine the instrument for damage contamination excessive dirt grease etc and defects Examine the test leads for cracked or frayed insulation If any abnormal conditions exist do not attempt to make any measurements SELECT BUTTON In ACV Range it will select ACV Hz Duty function In Q range it will select resistance or diode or countinuity function In Hz it will select Hz Duty function DATA HOLD BUTTON Press Data Hold button to toggle in and out of Data Hold mode In the Data Hold mode the HOLD annunciator is displayed 2 1 Current Measurements 1 Set the Function Range switch to the highest 1000A AC range 2 Press the trigger to open transformer jaws clamp onto one conductor only and release trigger Jaws should be completely closed Read the current directly on the display It2. Digital Clamp Meter TRMS Model 2727 1 SPECIFICATIONS 1 1 General Specifications Display Polarity Overrange Zero Low battery indication Measurement rate Operating Environment Storage Temperature Accuracy Power Battery life Dimension 2727 Weight 2727 Accessories 3 digit liquid crystal display LCD with a maximum reading of 3999 Automatic positive implied negative polarity indication OL or OL is displayed Automatic is displayed when the battery voltage drops below the operating level 2 5 times per second nominal 0 C to 50 C at lt 70 relative humidity 20 C to 60 C 0 to 80 R H with battery removed from meter Stated accuracy at 27 C 5 C lt 75 relative humidity Single standard 9 Volt battery EVEREADY TYPE 216 or Equivalent 200 hours typical with carbon zinc 192mm H x82mm W x33mm D 270grams approx One K type thermocouple one pair of test leads 9V battery installed instruction manual Maximum Jaw Opening 2727 30mm Instruction Manual 1 2 Electrical Specifications DIODE TEST AC CURRENT True RMS Test Current 1 0mA 0 6mA Range Accuracy Overload Protection 40A 50 60Hz 2 rdg 4dgt 1000A 40 500HZz 3 5 rdg 5dgt ac max A400A 600A 2727 40 500Hz 3 5 rdg 5dgt for 1 min AC VOLTS True RMS 50 Hz 500Hz Range 400V
3. 3dgts Open circuit volts 3 0Vdc typical Audible Indication lt 30mV Overload protection 600VDC or AC rms AC CURRENT True RMS Put conductor at the center of the jaws Ranges 20A 200A 1000A Accuracy 1 5 rdg 10dgts on all ranges 50Hz 60Hz 3 5 rdg 10dgts on 700A 40Hz 500Hz 2 0 rdg 10dgts on700A to 1000A 50Hz 60Hz Overload protection 1000Aac max for 1 minute OPERATION Before taking any measurements read the Safety Information Section Always examine the instrument for damage contamination excessive dirt grease etc and defects Examine the test leads for cracked or frayed insulation If any abnarmal conditions exist do not attempt to make any measurements Q Button Press button to toggle in and out of DATA Hold mode In the DATA Hold mode the annunciator is displayed The DATA Hold mode may be exited when changing function MAX HOLD Button Press MAX button to toggle in and out of MAX Hold mode holding the highest absolute reading In the MAX Hold mode the annunciator is displayed Current and Hz ranges without MAX HOLD function PEAK HOLD Button only current ranges 40 60Hz Press PEAK button to toggle in and out of PEAK Hold mode In the PEAK Hold mode the J annunciator is displayed Accuracy 10 readind residual offset 10dgts effect reading 80 2000 Voltage Measurements 1 Connect the red test lead to
4. 400 022 INDIA Correspondance Address Plot No EL 1 MIDC Electronic Zone TTC Industrial Area Mahape Navi Mumbai 400710 INDIA Tel 0091 22 27673311 16 27673300 Board Fax 0091 22 27673310 27673330 E mail sales mecoinst com Web www mecoinst com SR NO CHECKED BY DATE MODEL NO 12 SAFETY INFORMATION The following safety information must be observed to insure maximum personal safety during the operation at this meter 1 Do not use the meter if the meter or test leads look damaged or if you suspect that the meter is not operating properly 2 Use caution when working above 60V dc or 30V ac rms Such voltages pose a shock hazard 3 When Using the probes keep your fingers behind the finger guards on the probes 4 Measuring voltage which exceeds the limits of the clamp meter may damage the meter and expose the operator to a shock hazard Always recognize the meter voltage limits as stated on the front of the meter 5 If the equipment is used in a manner not specified by the manufacturer the protection provided the equipment may be impaired DIGITAL CLAMP ON METER MODEL 3636 USER MANUAL n SPECIFICATIONS DC VOLTS Display 31 2 digit liquid crystal display LCD with a maxi Ranges 600V mum reading of 1999 Accuracy 0 5 rdg 1dgt iva impli ayi Input Impedance 10MQ Polarity Automatic positive implied negative polarity in g sarin p 3 j 4
5. hazard Always recognize the meter voltage limits as stated on the meter MECO CERTIFICATE OF CALIBRATION We hereby certify that this product has been calibrated and found to be in accordance with the applicable SPECIFICATIONS and MECO STANDARDS Accuracies of the standard equipment used in this calibration are traceable to the National Standards MECO METERS PVT LTD Block 9 Plot 270 2nd Floor Rup Udey Niwas Sion E Mumbai 400 022 INDIA Correspondance Address Plot No EL 1 MIDC Electronic Zone TTC Industrial Area Mahape Navi Mumbai 400710 INDIA Tel 0091 22 27673311 16 27673300 Board Fax 0091 22 27673310 27673330 E mail sales mecoinst com Web www mecoinst com SR NO CHECKED BY DATE MODEL NO DIGITAL CLAMP METER MODEL 2025 Hz TRMS INSTRUCTION MANUAL 1 2 Electrical Specification Accuracies are reading number of digits at 27 5 C and humidity of less than 75 RH AC CURRENT True RMS Overload A Range Sgurasy Protection 40A 50 60Hz 3 rdg 6dgt 1000A AC Max 400A 1000A 40 500Hz 3 5 rdg 5dgt for 1 minute DC VOLTAGE Auto Ranging Ranges Accuracy Resolution Input Impedance Overload Protection 4V 40V 400V 1000V 1 of rdg 2 dgt imV to 1V 10MQ on all ranges except 11MQ on 4V 1200V DC 800V AC AC VOLTAGE Auto Ranging 40 500Hz Range Accuracy Reso
6. is recommended that the conductor be placed at the center of the closed jaws for maximum accuracy Fig 1 T ga vo Fig 1 3 When the reading is lower than 400 counts set the range switch to the next lower range position For maximum accuracy select the lowest range possible without over 5 ranging the meter 4 Touch probes to the diode A forward voltage drop is about 0 6V typical for a silicon diode 5 If the digital display reads overrange OL reverse the lead connections The placement of the test leads when the forward reading is displayed indicates the orientation of the diode The red lead is positive and the black lead is negative If overrange OL is displayed with both lead connections the junction is open If a low reading less than 1000 is obtained with both lead connections the junction is shorted internally or if junction is measured in a circuit the junction is shunted by a resistance less than 1KQ In the letter case the junction must be disconnected from the circuit in order to verify its operartion 2 5 Continuity Measurement In continuity test the beeper sounds continuously if the resistance is less than 40Q 2 6 Frequency amp Duty Cycle Measurement There are 2 positions for Frequency amp Duty cycle measurements a Hz position Not for line frequency measurement b ACV position for line frequency measurement 2 6a Hz position Not for line fr
7. 002 3 MAINTENANCE WARNING Remove test leads before changing battery or performing any servicing Battery Replacement Power is supplied by a 9 volt transistor battery EVEREADY TYPE 216 or Equivalent The appears on the LCD display when replacement is needed To replace the battery remove the screw from the meter and lift off the battery cover Remove the battery from battery contacts and replace cover 4 SAFETY INFORMATION The following safety information must be observed to ensure maximum personal safety during the operation of this meter 1 Do not use the meter if the meter or test leads lock damaged or if you suspect that the meter is not operating properly 2 This clamp meter is designed to take current measurements on circuit with a maximum voltage difference of 500VAC between any conductor and ground potential Using the instrument for current measurements on circuit above this voltage may cause electric shock instrument damage or damage lo the equipment under test 3 Turn off power to the circuit under test before cutting unsoldering or breaking the circuit Small amounts of current can be dangerous 4 Use caution when working above 60V DC or 30V AC rms Such voltages pose a shock hazard 5 When using the probes keep your fingers behind the finger guards on the probes 6 Measuring voltage which exceeds the limits of the clamp meter may damage the meter and expose the operator to a shock
8. 750V Resolution 100mV Accuracy 2 9 rdg 4dgts Input Impedance 10MQ Overload protection 1000V DC or 750V AC rms DC VOLTS Range 1000V Resolution 1V Accuracy 1 5 rdg 1dgt Input Impedance 10MQ Overload protection 1000V DC or 750V AC rms RESISTANCE Range 40022 400KQ Resolution 100mQ Accuracy 1 5 rdg 3dgt Open circuit voltage Overload protection 0 6V DC 3 0V DC on 4002 range 500V DC or AC rms Accuracy Open circuit volts Overload protection FREQUENCY Autoranging Ranges Accuracy Sensitivity Overload Protection TEMPERATURE Ranges Resolution Accuracy CONTINUITY Audible indication Overload protection 8 rdg 3dgt 3 0V DC typical 500V DC or AC rms 4kHz 40kHz 1 rdg 2dgt 100V rms min 500V DC or AC rms 50Hz 1KHz 20 C 750 C 1 C 2 0 rdg 3 dgts on 20 C 500 C 3 0 rdg 2 dgts on 500 C 750 C less than 100 500V DC or AC rms 2 OPERATION Before taking any measurements read the safety information section Always examine the instrument for damage contamination excessive dirt grease ect and defects Examine the test leads for cracked or trayed insulation If any abnormal conditions exist do not make any measurements MAX DATA HOLD SWITCH The push switch push Latch Push Release will hold the maximum reading on the display The display will update if a higher value is measured A p will appear in the disp
9. Overload protection 600VDC or AC rms Overrange OL or OL is displayed AC VOLTS True RMS 50Hz 500HZ Zero Automatic Ranges 200V 600V Low battery indication the 1 is displayed when the PA dence l w rdg 10dgts I h ing level J banery vaiage drops 9a i ine operating eve Overload protectlon 600VDC or AC rms Measurement rate 2 5 times per second nominal RESISTANCE Operating Environment 0 C to 40 C at lt 70 relative humidity Rangea 2KQ 200KQ Storage Temperature 20 C to 60 C 0 to 80 R H with AREP A A rdg 1dgt f i im aa temoved Hommel Overload protection 600VDC or AC rms Accuracy Stated accuracy at 23 C 5 C lt 75 relative humidity FREQUENCY Autoranging Safety According to EN61010 1 protection class II over Ranges 2KHz 20KHz voltage category CAT III 600V pollution degree 2 Accuracy 0 1 rdg 3dgts ra Sa on all ranges Clamp ve According ro EN61010 2 032 CAT IV 600V Sensitivity ee Power single standard 9 volt battery NEDA 1604 JIS Overload protection 600VDC or AC rms 006P IEC 6F22 CONTINUMY Battery life 200 hours typical with carbon zinc Audible Indication less than 302 on 2KQ range Dimensions ap P 3 Toum age Overload protection 600VDC or AC rms Weight Approx 380g including battery Accessories One pair test leads 9V battery installed 3 4 DIODE TEST Test current 1 0mA 0 6mA Accuracy 6 0 rdg
10. ar Frequency Measurements 1 Set the Functian Range switch to the Hz position 2 Connect the red test lead to the jack and the black test lead to the COM jack 3 Connect the test leads to the point of measurement and read the frequency from the display Continuity Measurements 1 Setthe Function Range switch to the 2KQ position 2 Touch the probes to the test points the beeper sounds continuously if the resistance is less than 30Q 7 Diode Tests 1 Connect the red test lead to the jack and the black test lead to the COM jack 2 Set the Function Range switch to the position Turn off power to the circuit under test 4 Touch probes to the diode A forward voltage drop is about 0 6V typical for a silicon diode 5 Reverse probes If the diode is goad OL is displayed If the diode is shorted 000 or another number is displayed 6 If the diode is open OL is displayed in both directions 7 Ifthe junction is measured in a circuit and a low reading is obtained with both lead connections the junction may be shunted by a resistance of less than 1k In this case the diode must be disconnected from the circuit for accurate testing MAINTENANCE WARNING Remove test leads before changing battery or performing any servicing Battery Replacement Power is supplied by a 9 volt transistor battery NEDA 1604 IEC 6F22 The appears on
11. equency measurement Sensitivity 3V Frequency Range 10Hz to 500kHz Duty Cycle 1 to 90 Overvoltage Protection 200V DC or AC peak 1 Connect test lead to VQ and COM terminal 2 Set rotary switch to Hz posotion 3 Select Frequency or Duty cycle by pressing Select key 4 Connect the test leads across the source or load under measurement 2 2 Voltage Measurements 1 Connect the red test lead to the VQ jack and the black test lead to the COM jack 2 Set the Function Range switch to the desired Voltage type AC or DC 3 Connect the test leads to the device or circuit being measured 4 For DC a sign is displayed for negative polarity positive polarity is implied 2 3 Resistance Measurements Connect red test lead to the VQ jack and black test lead to the COM jack 2 Set function Range switch to Q PF position If the resistance being measured is connected to a circuit turn off power to the circuit being tested and discharge all capacitors 4 Connect test leads across the resistance being measured When measuring high resistance be sure not to contact adjacent points even if insulated because some insulators have a relatively low insulation resistance causing the measured resistance to be lower than the actual resistance 5 Read resistance value on digital display If a high resistance vaiue is shunted by a large value of capacitance allow displa
12. lay when this feature is enabled 2 1 Current Measurements 1 Set the Function Range switch on the highest 600A AC range 2 Press the trigger to open transformer jaws and clamp onto one conductor only Read the current directly on the display It is recommenced that the conductor be placed at the center of the closed jaws for maximum accuracy 3 When the reading is lower than 400 counts set the range switch to the next lower range position For maximum accuracy select the lower range possible without over ranging the meter 2 2 Voltage Measurements 1 Connect the red test lead to the VQ jack and the black test lead to the COM jack 2 Set the Function Range switch to the desired Voltage type AC or DC and range If magnitude of voltage is not known set switch to the highest range and reduce until a satisfactory reading is obtained 3 Connect the test leads to the device or circuit being measured 4 For DC a sign is displayed for negative polarity positive polarity is implied 2 3 Frequency Measurements 1 Set the Function Range switch to the Hz position 2 Connect the red test to the VQ jack and the black test lead to the COM jack 3 Connect the test leads ro the point of measurements and read the frequency from the display 2 4 Temperature Measurements WARNING Remove test leads before measuring temperature 1 Set the Function Range switch to the C position 2 Connec
13. lution Input Impedance Overload Protection 4V 40V 400V 750V 1 5 rdg 6 dgt 1mVto1V 10MQ on all ranges except 11MQ on 4V 1200V DC 800V AC RESISTANCE Auto Ranging Range Accuracy 400 4KQ 40KQ 400KQ 4MQ2 40MQ 2 5 of rdg 3 dot 1 SPECIFICATIONS 1 1 General Specification Display E Polarity E Overrange Zero Low battery E indication Measurement m rate Operating m Environment Storage E Temperature Power Battery life Dimensions Weight Accessories Maximum Jaw m Opening Resolution Test Current Overload Protection Continuity Check Threshold Level Response Time Open Circuit Voltage Indication Overload Protection Diode Test Measurement Current Open Circuit Voltage Overload Protection 3 digit liquid crystal display LCD with a maximum reading of 3999 Automatic positive implied negative polarity indication OL or OL is displayed Automatic E is displayed when the battery voltage drops below the operating level 3 times per second nominal 0 C to 50 C at lt 70 relative humidity 20 C to 60 C 0 to 80 R H with battery removed from meter Two 1 5V AAA Size Battery 200 hours typical 250mm X 98mm X 35mm 400 grams approx One pair of test leads instruction manual 1 5V batterys installed Carring Case 55mm 0 12 to 0 01MQ 0 7mA on 400Q 0 1mA on 4KQ 30A on 40KQ 4A on 400KQ 500V DC AC
14. t a k type thermocouple to the jack on the instrument Place the probe or thermocouple tip on or in the material to be measured and take the temperature reading directly from the display 2 5 Diode Test 1 Connect the red test lead to the VQ jack and black test lead 10 the COM jack 2 Set the Function rRange switch to the diode position 3 Turn off power to the circuit under test 4 Touch probes to the diode A forward voltags drop is about 0 6V typical for a silicon diode 5 Reverse probes It the diode is good display will be between 2 800V and 3 200V If the diode is shorted 000 or another number is displayed 6 If the diode is open display will be between 2 800V and 3 200V in both directions 7 If the diode is measured in a circuit and a low reading is obtained with both lead connections the diode may be shunted by a resistance of less than 1k In this case the diode must be disconnected from the circuit for accurate tasting 2 6 Resistance and Continuity Measurements 1 Set the Function Range switch to the desired resistance range or continuity position 2 Disconnect power from the equipment under test 3 Connect the red test lead to the VQ jack and the black test lead to the COM jack 4 Touch the probes to the test points In ohms the value indicated in the display is the measured value of resistance In continuity test the beeper sounds continuously if the resistance is less than 1
15. the V jack and the black test lead to the COM jack 2 Set the Function Range switch to the desired Voltage type AC or DC and range If magnitude of voltage is not known set switch to the highest range and reduce until a satisfactory reading is obtained 3 Connect the test leads to the device or circuit being measured 4 For dc a sign is displayed for negative polarity positive polarity is implied Curreat Measurements 1 Set the Function Range switch to the highest 1000A ac range 2 Press the trigger to open transformer jaws and clamp onto one conductor only Read the current directly on the display It is recommended that the conductor be placed at the center of the closed jaws for maximum accuracy 6 3 When the reading is lower than 200 counts set the range switch to the next lower range position For maximum accuracy select the lower range possible without overranging the meter Resistance Measurements 1 Setthe Function Range switch to the desired resistance range 2 Remove power from the equipment under test 3 Connect the red test lead to the jack and the black test lead to the COM jack 4 Touch the probes to the test points In ohms the value indicated in the display is the measured value of resistance WARNING The accuracy of the functions might be slightly affected when exposed to a radiated electromagnetic field environment eg radio telephone or simil
16. the LCD display when replacement is needed Ta replace the battery remove the two screws from the back of the meter and lift off the battery cover Remove the battery from battery contacts Cleaning Periodically wipe the case with a damp cloth and detergent do not use abrasives or solvents w MECO Certificate of Calibration We hereby certify that this product has been calibrated and found to be in accordance with the applicable SPECIFICATIONS and STANDARDS Accuracies of the standard equipment used in this calibration are traceable to the National Standards MECO METERS PVT LTD Block 9 Plot 270 2nd Floor Rup Udey Niwas Sion E Mumbai 400 022 INDIA Correspondance Address Plot No EL 1 MIDC Electronic Zone TTC Industrial Area Mahape Navi Mumbai 400710 INDIA Tel 0091 22 27673311 16 27673300 Board Fax 0091 22 27673310 27673330 E mail sales mecoinst com Web www mecoinst com SR NO CHECKED BY DATE MODEL NO 10
17. voltage difference of 500VAC between any conductor and ground potential Using the instrument for current measurements on circuits above this voltage may cause electric shock instrument damage or damage to the equipment under test 8 Before measuring current make certain the test leads are removed from the instrument The instrument is protected for overload upto 500 VAC for 1 minute Do not take current readings on circuits where the maximum current potential is not known Do not exceed the maximum currents that this instrument is designed to measure Turn off power to the circuit under test before cutting unsoldering or breaking the circuit Small amounts of current can be dangerous Use caution when working above 60V DC or 30V AC rms Such voltages pose a shock hazard When using the probes keep your fingers behind the finger guards on the probes Measuring voltage which exceeds the limits of the clamp meter may damage the meter and expose the operator to a shock hazard Always recognize the meter voltage limits as stated on the front of the meter CERTIFICATE OF CALIBRATION We hereby certify that this product has been calibrated and found to be in accordance with the applicable SPECIFICATIONS and MECO STANDARDS Accuracies of the standard equipment used in this calibration are traceable to the National Standards MECO METERS PVT LTD Block 9 Plot 270 2nd Floor Rup Udey Niwas Sion E Mumbai
18. y to stabilize 2 4 Diode Test 1 Connect the red test lead to the VQ jack and black test lead to the COM jack 2 Setthe Function Range switch to the Q position select PF by pressing select key 3 Turn off power to the circuit under test 2 6b ACV position For line frequency measurement Sensitivity 2V Frequency Range 40Hz to 500Hz Duty Cycle 10 to 90 Overvoltage Protection 1000V DC or 750V AC peak 1 Connect test lead to VQ and COM terminal 2 Set rotary switch to ACV posotion 3 Select Frequency or Duty cycle by pressing Select key 4 Connect the test leads across the source or load under measurement 3 MAINTENANCE WARNING Remove test leads before changing battery or servicing Battery Replacement Power is supplied by two 1 5V AAA size battery or Equivalent The appears on the LCD display when replacement is needed To replace the battery remove the screw from the battery cover and lift off the battery case Remove the batterys amp repleced with new batterys 4 SAFETY INFORMATION The following safety information must be observed to ensure maximum personal safety during the operation of this meter 1 Do not use the meter if the meter or test leads look damaged or if you suspect that the meter is not operating properly 2 This Clamp Meter is designed to take current measurements on circuits with a maximum
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