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Major tech MT474 - Specifications

Major tech MT474
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6
LED voltage range 12, 24, 36 ,50, 120, 230, 400, 690V AC/DC
LED resolution ±12, 24, 36, 50, 120, 230, 400, 690V AC/DC
Tolerances -30% to 0% of reading
Voltage detection automatic
Acoustic signal (AC voltage) yes
Polarity detection full range
Range detection automatic
Response time < 0.1s LED
ACV Frequency range 50/60Hz
Automatic load (RCD) yes
Internal basic load approx. 2.1W at 690V
Peak current 1s <0.2A / Is (5s) < 3.5mA
Operation time ED =30s
Recovery time 10 min
LED on About 4.5V AC/DC
Single-pole Phase Test
Voltage range 100…690V AC
ACV Frequency range 50/60Hz
Continuity Test
Resistance range <400kΩ
Test current 5μA
Overvoltage protection 400V AC/DC, 690VDC
Rotary Field Indication
Voltage range (LEDs) 100…690V
Frequency range 50/60Hz
Measurement principle double-pole and contact electrode
Low impedance test
Voltage range 6….690V AC/DC
Low impedance <200kΩ
Operation time 5s@<230V AC/DC, 3s@< 400, 690V AC/DC
Overvoltage protection 400, 690V AC/DC <5s
Power supply 2 x 1.5V "AAA" Batteries
Power consumption max. 30mA / approx. 250mW
Temperature range -10°C up to +55°C
Humidity max. 85% relative humidity
Overvoltage class CAT III - 690V
Function
Range
2. SPECIFICATIONS

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