Model Q 1074A - OPERATION MANUAL
2
International Electrical and Relative Symbols
AC (Alternating Current)
Important information
DC (Direct Current)
Caution risk of electric shock
European Safety Standard
Earth ground
Double insulated
Low Battery Indicator
The symbol indicating separate
collection for electrical and
electronic equipment.
US Safety Standard.
1.
SPECIFICATIONS
1.1 GENERAL SPECIFICATIONS
Display
6000 Count LCD display. Max reading is 6000.
Range control
Auto range / Manual range control
Polarity
Automatic negative polarity indication.
Zero adjustment
Automatic.
Over range indication
The "OL" display.
Low battery
The "
" is display when the battery voltage is low.
Auto Power Off
10 minutes after stopping the switch, or not pressing any operation button,
the meter automatically enters to power off mode.
Safety standards
EMC/LVD
. The meter is up to the standards of IEC1010 Pollution
Degree 2, Overvoltage Category
Ⅲ
.
Operating environment
Temperature32 to104°F (0°C to 40°C), humidity< 80% RH.
Storage environment
Temperature-4 to140°F (-20°C to 60°C), humidity< 90%RH.
Power
One standard 9 volt battery (NEDA 1604
，
IEC 6F22 or equivalent)
Dimension
98(W)×177(H)×39(D) mm
Weight
Approx. 300g (including battery).
1.2 ELECTRICAL SPECIFICATIONS
Accuracy is ± (% of r number in last digit) at 23 ± 5°C, <75% RH.
DC Voltage
60mV, 600mV, 6V, 60V
±（
0.2%+2
）
600V
±（
0.3%+2
）
Impedance
10M
Ω
Overload protection
600V DC/AC RMS.
AC Voltage
600mV, 6V, 60V
±（
1.0%+3
）
600V
±（
1.5%+3
）
Impedance
10M
Ω
.
Frequency response
50
～
1KHz
Overload protection
600V DC/AC RMS.
