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User Manual 

C126   

Digital 1000A AC   
Clamp Meter 

C128

   

Digital 1000A AC/DC 
Clamp Meter 

Summary of Contents for C126

Page 1: ...1 User Manual C126 Digital 1000AAC Clamp Meter C128 Digital 1000AAC DC Clamp Meter ...

Page 2: ...uniks it The registration of your products will allow you to stay informed about news take advantage of advantageous discounts dedicated to you for the purchase of accessories and products for your daily work Registration is free ...

Page 3: ...isplay 10 3 Specification 11 3 1 Overview 11 3 2 Technical Index 13 4 Operation Guide 18 4 1 Readings Hold 18 4 2 Backlight Light 18 4 4 Manual Range 19 4 5 Relative measurements 19 4 6 AC DC current measurement C126 only AC and C128 AC DC 19 4 7 AC DC voltage measurement 20 4 8 Low impedance voltage measurement 21 4 9 Continuity Diode measurement 22 ...

Page 4: ... Temperature measurement 24 4 12 Non contact Voltage Detection NCV 25 5 Maintenance 26 5 1 Replace Battery 26 5 2 Replace Pens 27 6 Accessories 27 7 ASSISTANCE 28 7 1 WARRANTY CONDITIONS 28 7 2 ASSISTANCE 29 ...

Page 5: ...s manual Instrument complies with safety requirements on electronic measuring instrument of EN 61010 1 EN 61010 2 030 and EN 61010 2 032 level II pollution and over voltage standard is CAT III 1000V CAT IV 600V The C126 model only measures AC current while the C128 model measures AC DC current Please observe safety operation guide and guarantee to use instrument in a safe manner 1 1 Preparation 1 ...

Page 6: ...ion Manual Able to be used on dangerous electrified conductors Dual insulation protection Category II CAT III CAT IV follows the over voltage Setup level III and Ⅳ of IEC 61010 1 standard and pollution degree 2 means the impulse withstand voltage level of protection provided In line with the European Union EU Standard Grounded 1 3 Maintenance 1 3 1 Please do not attempt to open the bottom case to ...

Page 7: ... readings when the meter displays symbol the battery should be replaced immediately 1 3 4 Use a damp cloth and mild detergent to clean the meter do not use abrasive cleaning agents or solvents 1 3 5 Power supply of the meter should be turned off when not in use range switch to the OFF position 1 3 6 If the meter is not used for a long time batteries should be removed to prevent damage to the meter...

Page 8: ...ion 2 1 Part Name 1 Current clamp head used for measuring current 2 Rotary switch 3Function InRush backlight 4 Display screen 5 Input socket 6 Function button 7 Trigger 8 Non contact voltage detecting inducing area ...

Page 9: ...ition 1000A range C126 AC and C128 AC DC 60A 600A range C126 AC and C128 AC DC Non contact voltage detection AC DC Voltage measurement Low resistance voltage measurement Continuity Diode Test Resistance Capacitance measurement Temperature measurement ...

Page 10: ... shutdown indicate Battery low voltage indication inrush current measurement mode Automatic range mode Relative measurement mode Low pass filter enable prompt Low impedance measurement mode Non contact voltage detection Continuity ...

Page 11: ...oltage value unit mV V Ohm Kilohm Megohm resistance 3 Specification The meter should specify one year as a cycle to re calibrate in the conditions of 18 28 and relative humidity less than 75 3 1 Overview Auto and Manual Range Overload protection for the whole measurement range Maximum allowable voltage between the measuring terminal and the ground 1000V DC ...

Page 12: ...nge Indication 0L or 0L Sampling time about 3 times s analog strip 10 times s Unit display with function and quantity of electricity unit display Automatic Power off time 10 minutes Power supply 1 5V AAA battery 3 Battery low voltage indication LCD display symbol Temperature coefficient 0 1 accuracy degree Working temperature 18 28 Storage temperature 10 50 ...

Page 13: ...13 3 2 Technical Index When measuring current place the conductor to be measured in the center of the clamp head If not it can increase 1 5 position deviation to the maximum ...

Page 14: ... Frequency range 45Hz 1000Hz 3 2 2 DC current only C128 model Range Resolution Accuracy 60A 0 01A 3 0 reading 10 digits 600A 0 1A 1000A 1A Minimum input value of DC current 60mA Maximum input value of DC current 1000A 3 2 3 AC Voltage TRMS Range Resolution Accuracy 6V 0 001V 0 8 reading 5 digits 60V 0 01V 600V 0 1V 1000V 1V 1 0 reading 5 digits Minimum input value of AC voltage 1mV RMS ...

Page 15: ... 60V 0 01V 600V 0 1V 1000V 1V Minimum input value of DC voltage 1mV Maximum input value of DC voltage 1000V 3 2 5 Frequency Duty Cycle 3 2 5 1 Current frequency Range Resolution Accuracy 100Hz 0 01Hz 1 0 reading 5 digits 1000Hz 0 1Hz 10kHz 0 001kHz 1 99 0 1 3 0 reading 2 digits Frequency input range 10Hz 10kHz Input signal range 30A AC current RMS ...

Page 16: ...0kHz Input signal range 0 8V AC voltage RMS 3 2 6 Continuity Range Resolution Functions 1 If the resistance of circuit being measured is less than 50 then the beeper in the meter may sound Overload protection 1000V DC or AC RMS 3 2 7 Diode Range Resolution Functions 2 000V 0 001V Displays approximate value of diode forward voltage drop Overload protection 1000V DC or AC RMS ...

Page 17: ... 1k 6M 0 001M 60M 0 01M 1 2 reading 30 digits Overload protection 1000V DC or AC RMS 3 2 9 Capacitance Range Resolution Accuracy 60 00nF 0 01nF 4 0 reading 3 digits 600 0nF 0 1nF 6 000uF 1nF 60 00uF 10nF 600 0uF 100nF 6 000mF 1uF 60 00mF 10uF 5 0 reading 5 digits Overload protection 1000V DC or AC RMS ...

Page 18: ...ess of measurement if the ambient light is too dark to read the readings press button to open the backlight or light 1 Press button to turn on or off the LCD backlight and it will turn off automatically about 1 minute after it is turned on 2 Press and hold button for more than 2 seconds to turn on or off the light If the light turn on automatically after 1 minute 4 3 Auto Power Off 1 If after 10 m...

Page 19: ...ill be reset 4 6 AC DC current measurement C126 only AC and C128 AC DC Turn rotary switch to the current measurement level hold the trigger open the clamp head and clamp one cable of the measured circuit and the meter will display the current value measured 1 Press button to select AC or DC current measurement When measuring AC current touch button to toggle the display of the frequency and duty c...

Page 20: ...o the positive pole of the measured signal and the black probe is connected to the negative pole of the measured signal When measuring AC voltage press button to toggle the display of the frequency and duty cycle of the measured voltage Press and hold the button for more than 2 seconds to start the VFD measurement function Note The frequency can only be displayed when the measured value in VFD mod...

Page 21: ...ment Turn rotary switch to press button to switch between AC and DC voltage measurement mode to connect the probe to the measured signal Note In low impedance measurement mode the longest measurement time shall not be larger than 1 minute ...

Page 22: ... about 50Ω the meter buzzer will sound an alarm When the measured resistance value is greater than about 600Ω it will display OL 2 When selecting the diode function for measurement the red probe is connected to the positive pole of the measured diode and the black probe is connected to the negative pole of the measured diode the meter displays the approximate value of the diode forward voltage dro...

Page 23: ...to press button to switch between resistance and capacitance selecting function 1 When resistance measurement is selected the meter displays the measured resistance value 2 When capacitance measurement is selected the meter displays the measured capacitance value ...

Page 24: ...h to insert thermocouple probe into input socket with the positive pole of the probe being connected to red input terminal The primary display panel will show the measured temperature Slightly press button to switch the unit for measuring temperature ...

Page 25: ...can be judged by the buzzer sound and the LED indicator on the panel Note The detection operation might be affected by various factors such as the socket design and insulation thickness types are different and so on Even there is no alarm indication the voltage might still exist Do not judge if there exist voltage or not in the cable relying on non contact voltage detector ...

Page 26: ...l be moved from the measuring circuit first to prevent the risk of electric shock 1 If symbol appears it means the battery shall be replaced 2 Screw the fastening screws of the meter battery cover and move away 3 Replace the old battery 4 Install the battery cover as previous Note Do not violate the battery polarity ...

Page 27: ...s must be in good condition and level of the pens is 1000V 10A Note If the insulation layer of the pens is damaged such as the metal wire of the cable is exposed then it must be replaced 6 Accessories 1 Pens Level 1000V 10A 1 2 Use Manual 1 3 Battery 1 5V AAA battery 3 4 Cloth bag 1 5 K Type Thermocouple Probe 1 ...

Page 28: ... borne by the customer The shipment must however be agreed Attached to dispatch an explanatory note about the reasons of the instrument must always be inserted For shipping only use the original packaging Any damage caused by the use of non original packing shall be charged to the customer The manufacturer accepts no responsibility for damage caused to people or objects The warranty does not apply...

Page 29: ...n of the manufacturer Our products are patented and their trademarks The manufacturer reserves the right to change specifications and prices if this is due to technological improvements 7 2 ASSISTANCE If the instrument does not operate properly before contacting the Customer Service check the status of the battery and wear of the cables and replace them if necessary If the instrument continues to ...

Page 30: ...ment must however be agreed Attached to dispatch an explanatory note about the reasons of the instrument must always be inserted For shipping only use the original packaging any damage caused by the use of non original packing shall be charged to the customer ...

Page 31: ...31 ...

Page 32: ...32 http www uniks it info uniks it Uniks Srl Via Vittori 57 48018 Faenza RA Italy 0546 623002 0546 623691 ...

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