Specifications - PROF DT-9331 Instruction Manual

Before using a voltage detector with audible indicator at locations with a
high back ground noise level, it has to be determined whether the audible
signal is perceptible.
3. Specifications
LEDS
LED voltage range 12V to 1000V AC/DC
LED resolution ±12,24,50,120,230, 400, 690,1000V AC/DC
Tolerances Complies with EN 61243-3:2014
Frequency range 0/40Hz to 400Hz
Response time ≤1 second
Auto power on Auto power on ≥12V AC/DC
LCD
1999 counts (3 1/2 digit ) LCD display with
LCD display
bar graph & backlight
Voltage range 6 V to 1000 V AC/DC
Resolution 1V AC/DC
Tolerances ±3.0% of reading ±5 digit
Frequency range 0/40Hz to 400Hz
Response time ≤1second
Auto power on Auto power on ≥ 6V AC/DC
Voltage detection automatic
Polarity detection Full range
Range detection Automatic
Internal basic load Maximum 3.5 mA at 1000 V
impedance Peak current 350 kΩ / Is<3.5 mA (no RCD tripping)
Operation time Duration Time = 30 seconds
Recovery time Recovery Time = 240 seconds
Switchable Load ~7KΩ
Peak current Is (load)=150mA
RCD tripping I ~30mA@230V
Continuity Test 0 to 400 kΩ
Accuracy nominal resistance ±50 %
Test current ≤5 μA
4
Resistance measurement 0Ω to1999Ω
Resolution 1 Ω
Tolerance ±(5 % rdg +10 digits) @ 20
Temperature coefficient ±5 digits / 10 K
Test current ≤30 μA
Single-pole Phase Test
100V to 1000V AC
Frequency range 50 Hz to 400 Hz
Rotary Field Indication
Voltage range (LEDs) 100...1000V
Frequency range 50/60Hz
Measurement principle Double-pole and contact electrode
Safety standards EN61243-3:2014
Overvoltage protection 1000V AC/DC
Measurement category CAT III 1000V/CAT IV 600V
Protection degree IP64
Power supply 2x1.5V "AAA" Batteries
Power consumption max.30mA / approx. 250mW
Temperature range -10
Humidity max.85% relative humidity
o
C
o o
C up to 55 C
5