DVM855
V. 01 – 06/04/2017
11
©Velleman nv
built-in buzzer sounds
if resistance < 120 Ω
open-circuit voltage ± 0.5 V
Overload protection: 500 V DC or AC rms
9.8
FREQUENCY
Do not conduct frequency measurements on live circuits
range
resolution
accuracy
5.12 Hz
0.001 Hz
± (0.1 % rdg + 5 digits)
51.2 Hz
0.01 Hz
512 Hz
0.1 Hz
5.12 kHz
1 Hz
51.2 kHz
10 Hz
512 kHz
100 Hz
5.12 MHz
1 kHz
Sensitivity: sine wave 0.6 V rms (10 MHz: 1.5 V rms)
Overload protection: 500 V DC or AC rms
9.9
DUTY CYCLE
0.1 %-99.9 %: ± (2.0 % rdg + 2 digits)
Frequency < 10 kHz
Sensitivity: sine wave 0.6 V rms
Overload protection: 500 V DC or AC rms
9.10
BATTERY TEST
range
load
current
resolution
accuracy
1.5 V
50 mA
10 mV
± (5.0 % rdg + 5 digits)
9 V
5 mA
10 mV
Overload protection: F0.5 A/500 V fuse