Duty cycle measurement
Range
0.1... 99.9%
Sensitivity: the minimum value of the effective voltage of 8 V
Pulse width: 100 µs – 100 ms
Frequency: 5 Hz to 99.99 kHz
12.2 Operating data
a)
measurement category according to IEC 61010-1:2004 ....... CAT III 600 V
b)
type of insulation ................................................................ double, Class II
c)
degree of housing protection acc. to PN-EN 60529 ............................ IP65
d)
pollution degree ......................................................................................... 2
e)
power supply of the meter ........................................ 2 x AAA 1.5 V battery
..................................................2 x AAA NiMH 1.2 V rechargeable battery
f)
diode test ........................................................... I = 0.3 mA, U
continuity test .............................. I < 0.5 mA, acoustic signal for R < 50 Ω
g)
h)
indication for range exceeding .................................................. OL symbol
i)
low battery indication .......................................................... symbol
j)
measurement rate ......................................... 2 measurements per second
k)
input impedance .............................................................. 10 MΩ (V AC/DC)
l)
AC read-out ..................................................... True RMS (A AC and V AC)
m) LCD Display, .................................................................. 4 digit with backlit
........................................................... 9999 counts with function indicators
n)
dimensions ...................................................................... 121 x 67 x 45 mm
o)
meter weight........................................................................................ 204 g
p)
meter weight (without batteries).......................................................... 181 g
fuses ................................................. mA and µA range: 0.5 A / 600 V fast,
q)
........................................................................... A range: 10 A / 600 V fast
r)
operating temperature................................................................. +5..+40C
operating humidity .................................................. < 80% for temp. ≤ 31C
s)
................................................... decreasing linearly to 50% at temp. 40C
t)
storage temperature ................................................................... -20..+60C
u)
storage humidity ................................................................................ < 80%
v)
maximum operating altitude ............................................................. 2000 m
w) Auto-Off function ................................................................. approx. 15 min
x)
compliance with the requirements of the following standards .....................
................................................................................................. EN 61010-1
................................................................ EN 61010-031, EN 61010-2-033
......................................................................... EN 61326-1, EN 61326-2-2
y)
quality standard ........................................................................... ISO 9001
Resolution
0.1%
CMM-11 – USER MANUAL
Basic uncertainty
(1.2 % m.v. + 2 digits)
< 3.3 V DC
0
61