Velleman DVM52IT - Manual (Page 3)

DVM52IT VELLEMAN 3
5.1 General Specifications
Max. voltage between terminals and earth
1000V dc or ac
Measuring Method Dual-slope integration A/D converter
Sampling Time ±0.4sec.
LCD Height 22mm
Max. Display 1999 points (3 ½ digits)
Polarity Indication ‘-‘ indicates negative polarity
Overrange Indication ‘1’ or ‘-1’ is displayed
Displayed Measuring Unit Unit of electrical capacity
Power Supply 6 AA-batteries of 1.5V (alkaline batteries are recommended)
Power Consumption ±5mA (100Vdc, 750Vac, 200 Ω , )
±30mA (200M Ω , 250V)
±50mA (200M Ω /500V)
±100mA (2000M Ω /1000V)
Battery-Low Indication “ ”-symbol is displayed
Operating Temperature 0 to 40°C (32 to 104°F)
Operating Humidity < 85%RH
Storage Temperature -10 to +50°C (10 to 122°F)
Dimensions 192 x 122 x 55mm
Weight ± 545g (with batteries)
5.2 Electrical Specifications
5.2.1. Insulation Resistance
Range 200M Ω Ω Ω Ω / 250V 200M Ω Ω Ω Ω / 500V 2000M Ω Ω Ω Ω / 1000V
Test Voltage 250Vdc ± 10% 500Vdc ± 10% 1000Vdc ± 10%
0 ~2000M Ω Measuring Ranges 0 ~200M Ω 0 ~200M Ω
0 ~1000M Ω 1000 ~2000M Ω
Accuracy ± 3% rdg ± 5 digits ± 5% rdg ± 5 digits
Output Voltage on Open Circuit 250V ± 10% 500V ± 10% 1000V ± 10%
Min. Output Voltage 225V at 0.25M Ω 450V at 0.5M Ω 900V at 1M Ω
Test Current (approx.) 1mA at 0.25M Ω 1mA at 0.5M Ω 1mA at 1M Ω
Output Short-Circuit Current ≤ 2.5mA
5.2.2. AC Voltage
Range Resolution Accuracy
700V 1V ±1.2% of rdg + 5 digits
Input Impedance
10M Ω
Max. Input Voltage 700V rms AC or 1000V DC
Frequency Range 40 to 400Hz
Response average, calibrated in rms of a sine wave