Specifications - Martindale Electric VT12 Instruction Manual

ELECTRICAL
Voltage Detector
Maximum working voltage: 690V DC &
AC rms
Nominal voltage threshold indications:
12, 24, 50, 120, 230, 400, 690V AC/DC
Nominal voltage threshold tolerance:
Conforms to BS EN 61243-3:2014
Internal impedance at ELV a.c.: 260kΩ
Polarity indication: from 12V DC/AC rms
Range detection: Automatic
Response time: <0.1s
Frequency range: DC, 0-65Hz
Test current (I
Duty ratio: 30s ON (operated) / 240s OFF
(recovery)
Overvoltage protection: 690V DC or AC rms
Single Pole Phase Test
Voltage range: 100 to 690V AC rms
Frequency range: 45 to 65Hz
Specification
VT12
Voltage Tester
): <3.5mA
n