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7

LCD display  

1999 counts (3 1/2 digit) LCD display with 

bargraph & backlight

Voltage range 

6, 12, 24, 50, 120, 230, 400, 690V AC/DC

Resolution   

1V AC/DC

Tolerances   

DCV: + 1.0% of r3 digit                    

ACV: + 1.5% of r5 digit

                                                                        

400VAC Max.      
measuring current 

approx. 

1.0mA 

                                                                  

690VDC Max.        
measuring current 

approx. 

1.5mA

Voltage Detection 

automatic

Polarity Detection 

full range

Range Detection 

automatic

Response Time 

< 500ms, 2 - 3 times/sec.

Operation Time 

30sec.

Recovery Time 

240sec.

ACV Frequency Range 

50/60Hz

Internal Impedance 

600KΩ/5kΩ@ELV a.c.

LCD On 

 

>4. 5V AC/DC

Single-pole Phase Test

Voltage range 

100-400V AC 

ACV Frequency range 

50/60Hz 

Continuity Test

 

Resistance range 

<400kΩ 

Test current  

5μA 

Overvoltage protection 

400V AC/DC, 690V DC 

Rotary Field Indication

 

Voltage range (LEDs) 

100-400V 

Frequency range 

50/60Hz 

Measurement principle 

Double-pole and contact electrode 

Low impedance test 

Voltage range  

12-230V AC/DC 

Low impedance  

<6kΩ 

Operation time  

5s<250V AC/DC, Is

 0.2A(690V)/30s max. 

Overvoltage protection 

3s<400V AC/690V DC

Power supply  

2 x 1.5V "AAA" Batteries

 Power consumption 

Max.30mA / approx. 250mW 

Temperature range 

-10°C up to +55

°

Humidity 

 

Max. 85% relative humidity 

Overvoltage class 

CAT III 1000V CAT IV 600V 

Function

Range

2. SPECIFICATIONS

Summary of Contents for MT476

Page 1: ...INSTRUCTION MANUAL 690V VOLTAGE TESTER MT476...

Page 2: ...2...

Page 3: ...on 8 4 Explanation of Symbols 9 5 Inserting Changing the Batteries 9 6 Measuring Point Lighting 9 7 Carrying Out Measurements 10 8 Voltage Measurement with Low Internal Impedance 10 9 Rotating Field D...

Page 4: ...an original voltage value above the ELV level When in contact with the parts to be tested the voltage detector may discharge temporarily the interference voltage to a level below the ELV but it will...

Page 5: ...the ranges specified and within low voltage systems up to 690V Prior to usage ensure perfect instrument function e g on known voltage source The voltage testers may no longer be used if one or severa...

Page 6: ...If the safety of the operator cannot guarantee the instrument must be fixed If the following situations occur security is no longer guaranteed Appropriate Usage The instrument may only be used under...

Page 7: ...LV a c LCD On 4 5V AC DC Single pole Phase Test Voltage range 100 400V AC ACV Frequency range 50 60Hz Continuity Test Resistance range 400k Test current 5 A Overvoltage protection 400V AC DC 690V DC R...

Page 8: ...3 Measurement point illumination 4 LEDs for voltage display 5 LED for single pole phase test 6 LED for low impedance test 7 LED for left right rotary field 8 LED for continuity 9 Low impedance switch...

Page 9: ...ible use alkaline batteries They guarantee a longer service life Then carefully close and screw down the battery compartment lid again The batteries need to be changed if the Low Bat symbol lights up...

Page 10: ...ay If the measured voltage falls below 4 5 V AC DC the voltage tester switches off automatically The LCD display shows the voltage values numerically and in the form of a bargraph The type of voltage...

Page 11: ...ECTION DISPLAY The voltage tester can show the direction of the rotating field with three phase systems Hold the voltage tester by the handles and provided Never touch the device beyond the handle end...

Page 12: ...tage tester can also be used as a single pole phase tester Always hold the voltage tester by the handles designed for this purpose 3 and 6 Never touch the device beyond the handle ends This phase test...

Page 13: ...he device has become unusable dispose of it in accordance with the current statutory regulations 13 DISPOSAL OF BATTERIES AND RECHARGEABLE BATTERIES You as the end user are required by law Battery Ord...

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Page 16: ...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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