DDM SERIES 1.5 CLASS DOUBLE DISPLAY AMMETERS & VOLTAMETERS
The DDM series instruments consist of class 1.5 combined AC, DC, ammeter, voltameter. These instruments are double display as analog meter and digital LCD, making them suitable for classroom and labs at schools and research centers as training aid and test instrument .
Features
. Useful for both high -sensitivity and wide- range measurements
Voltage : 100mV, 1V, 10V, 100V, 1000V
Current: 1mA, 10mA, 100mA, 1A, 10A
. Long scale and mirrored for easy accurate analog read out
. Large 1000 counts LCD for large digital read out
. Slope lay up for easy and stable operation
Specifications:
Operating principle: |
Analog:
Permanent magnet moving coil type AC Rectifier type 1.5 Class 110mm scale length, deflection angle 90° Bladed needle (black) |
| Digital:
CLD DC A1%+1digits~1.5%+2digits AC A1.2%+2digits~1.5%+3digits DCV0.5%+1digits~0.8%+1digits ACV1%+2digits 20mm digit height |
DDM-1 measuring range (AC/DC): | 1mA, 10mA, 100mA, 1A, 10A |
DDM-2 measuring range (AC/DC): |
100mV, 1V, 10V, 100V, 1000V
|
Operating position: | Bladed needle (black) |
Operating position: | Horizontal (7°slope) |
Rated frequency: | 50/60Hz |
Battery: | 6F22, 9V |
Operating temperature and humidity ranges: | 0 to 40℃, 25 to 80% RH |
Storage temperature and humidity ranges: | -10 to 50℃, 25 to 80% RH |
| External dimensions: | Approximately 240 x 170 x 90mm |
Weight: | Approximately 0.6kg |
