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5.10. Mode Button

To select Diode/Continuity/CAP,VAC/Hz/%, °C/°F.

5.11. Data Hold/Flashlight Button   

To freeze the LCD meter reading, press the data hold button. The data hold 
button is located on the right side of the meter (top button). While data 
hold is active, the 

HOLD 

display icon appears on the LCD. Press the data 

hold button again to return to normal operation. 
Hold down this button to turn the flashlight ON/OFF.

6. Battery Replacement 

1. Remove the one rear head screw 
2. Open the battery compartment 
3. Replace the required three "AAA" 1.5V Batteries. 
4. Re-assemble the meter 

5.12. MIN/MAX Button    

Press MIN/MAX to enter MIN, MAX Recording mode (manual range only). 
Select the proper range before selecting MIN MAX to ensure that the 
MIN/MAX reading will not exceed the testing range. Press once to select 
MIN, press again to select MAX lastly, press again to release the MIN/MAX 
recording function.  

5.13. VFD Button    

In ACV mode, hold down the mode key to enter the VFD measurement 
mode and display VFD. In VFD mode, low-pass filter can reduce the high-
frequency noise when measuring AC voltage. VFD mode is mainly used for 
AC voltage measurement of variable frequency drive and frequency 
converter. 

5.14. REL/     Button    

Press REL key to enter the relative value measurement mode, take the 
current value as the reference and obtain the relative value. Hold down this 
key to turn on the laser in IR-temp measurement mode, and then press 
this key to turn off the laser. 

results, rub the probe tip along a length of the cord to assure placing the 
tip in close proximity to the live conductor. 

NOTE:

 The detector is designed with high sensitivity. Static electricity or 

other sources of energy may randomly trip the sensor. This is 
normal operation.

Summary of Contents for MT766

Page 1: ...MT766 600A AC DC CLAMP METER WITH IR THERMOMETER INSTRUCTION MANUAL...

Page 2: ...2...

Page 3: ...Temp type K 7 4 10 IR Temp D S 4 1 7 4 11 General Specifications 7 5 Operation 8 5 1 AC DC Current Measurements 8 5 2 AC DC Voltage Measurement 9 5 3 Resistance Measurements 9 5 4 Diode Continuity and...

Page 4: ...his meter can cause damage shock injury or death Read and understand this user manual before operating the meter Always remove the test leads before replacing the battery Inspect the condition of the...

Page 5: ...de 9 Units of measure list AC DC 8 8 8 8 AUTO HOLD C F u m V A K M 3 DISPLAY ICONS 9 Rotary Function switch 10 Data Hold Flashlight button 11 Non contact AC voltage indicator light 12 Non contact AC v...

Page 6: ...ing digits 600 0 1 5 6 digits 6 000K 2 0 5 digits 60 00K 600 0K 2 8 10 digits 6 000M 60 00M 2 8 10 digits Range Resolution 4 5 Resistance Accuracy of reading digits 999 9nF 9 999 F 4 reading 6 digits...

Page 7: ...racy index of the current measured outside the measuring range increased by 1 5 and the accuracy of other measurement functions increased by 1 Check waveform is sine wave Current accuracy assessment s...

Page 8: ...l level appliance portable equipment etc with transient over voltages less than Over voltage Cat III Range Basic Functions 4 11 General Specifications continued 5 1 AC DC Current Measurements 1 Set th...

Page 9: ...nto the negative COM jack and the red test lead banana plug into the positive diode jack 2 Set the function switch to the position 3 Press the MODE button until appears in the display 4 Touch the test...

Page 10: ...roper decimal point and value WARNING To avoid electric shock disconnect both test probes from any source of voltage before making a temperature measurement WARNING To avoid electric shock be sure the...

Page 11: ...he testing range Press once to select MIN press again to select MAX lastly press again to release the MIN MAX recording function 5 13 VFD Button In ACV mode hold down the mode key to enter the VFD mea...

Page 12: ...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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