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
°
C
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...
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