Technical Data And Accuracy - Conrad Electronic VC-227 Manual

7. Technical Data and Accuracy

7.1 Technical Data
Display ........................ : 4 1/2 digit LC-Display to 19999 with auto-
matic polarity display
Overflow Indication ..... : if the range is exceeded OFL for Overflow
is displayed
Max. Measuring
Rate ............................ : 5 measurements per second
Operating
Temperature ............... : 0 to + 40°C, rel. humidity of max. 80%
Storage Temperature . : -20 to + 60°C, rel. humidity of 0 to max.
80%, battery removed
Temperature
Coefficient .................. : + 23°C ± 5°C, rel. humidity < 75 %
(specified accuracy)
Battery Type ............... : 9 V battery, NEDA 1604 or IEC 6F22
Power consumption .... : battery life approx. 200 hours
Weight ........................ : approx. 252 g (with 9 V battery)
Dimensions
(L x W x H) ................... : 140 x 70 x 36 mm (without rubber holster)
7.2 Accuracy
Accuracy in complete spec is given as ± (% of reading + number of
least significant digits).
Mode Range Accuracy
±(0.9%+2dgts)
DC 400 mV
±(0.9%+2dgts)
Voltage 4 mV
±(0.9%+2dgts)
40 mV
±(0.9%+2dgts)
400 V
±(0.9%+2dgts)
750 V
17
Resolution
100 uV
1 mV
10 mV
100 mV
1 V
Mode Range Accuracy
AC in the range of 50 Hz to 400 Hz
±(1.9%+3dgts)
Voltage 4 V
±(1.9%+3dgts)
40 V
±(1.9%+3dgts)
400 V
±(1.9%+3dgts)
750 V
±(0.75%+2dgts)
Resistance 400 Ohm
±(0.75%+2dgts)
4 K
±(0.75%+2dgts)
40 K
±(0.75%+2dgts)
400 K
±(0.75%+2dgts)
4 M
20 M (1.5%+3dgts)
Voltage at the open circuit: in the 200 Ohm-range < 3.5 VDC;
short circuit current < 1.5 mA.
±(1.9%+2dgts)
Capacitance 1 uF
±(1.9%+2dgts)
10 uF
±(1.9%+2dgts)
100 uF
±(1.9%+2dgts)
1000 uF
±(10%+90dgts)
10000uF
The 1000-uF-range and the 10000-uF-range are identical, i.e. the
range is not changed.
±(0.2%+2dgts)
Frequency 20 kHz
±(0.2%+2dgts)
200 kHz
input sensitivity: min 100 mVeff at 100 Hz
18
Resolution
1 mV
10 mV
100 mV
1 V
0.1 Ohm
1 Ohm
10 Ohm
100 Ohm
1 K
10 K
1 nF
(=0.001 uF)
10 nF
(=0.01 uF)
100 nF
(=0.1 uF)
1 uF
10 uF
1 Hz
10 Hz