DVM841
V. 03
–
08/07/2020
10
©Velleman nv
9.3
DC CURRENT
Do not measure circuits that may contain voltages
> 500 V
range
resolution
accuracy
200 µA
0.1 µA
± (1.5 % rdg + 2 digits)
2 mA
1 µA
20 mA
10 µA
200 mA
100 µA
± (2.0 % rdg + 2 digits)
10 A
10 mA
± (2.0 % rdg + 3 digits)
Overload protection: F500 mA/500 V, F10 A/500 V fuse
Note: 10 A up to 10 seconds
9.4
RESISTANCE
Do not conduct resistance measurements on live
circuits
range
resolution
accuracy
200
Ω
0.1
Ω
± (1.0 % rdg + 5 digits)
2k
Ω
1
Ω
± (1.0 % rdg + 3 digits)
20
kΩ
10
Ω
200
kΩ
100
Ω
2
MΩ
1
kΩ
± (1.5 % rdg + 3 digits)
Overload protection: F500 mA/500 V fuse
9.5
DIODE AND CONTINUITY
Do not conduct diode or continuity measurements on
live circuits
range
description
test condition
display reads the
approximate forward
voltage of the diode
forward DC current ± 10 µA
reversed DC voltage ± 1.8 V
built-in buzzer sounds
if resistance < 50
Ω
open-circuit voltage ± 1.8 V
Overload protection: F500 mA/500 V fuse