Velleman DVM52IT Especificações descarregar pdf (Página 3)

DVM52IT VELLEMAN

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, 200Ω, )

±30mA (200MΩ, 250V)

±50mA (200MΩ/500V)

±100mA (2000MΩ/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

200MΩ

ΩΩ

Ω / 250V 200MΩ

ΩΩ

Ω / 500V 2000MΩ

ΩΩ

Ω / 1000V

Test Voltage 250Vdc ± 10% 500Vdc ± 10% 1000Vdc ± 10%

0 ~2000MΩ

Measuring Ranges

0 ~200MΩ 0 ~200MΩ

0 ~1000MΩ 1000 ~2000MΩ

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 0.25MΩ 450V at 0.5MΩ 900V at 1MΩ

Test Current (approx.)

1mA at 0.25MΩ 1mA at 0.5MΩ 1mA at 1MΩ

Output Short-Circuit Current

≤ 2.5mA

5.2.2. AC Voltage

Range Resolution Accuracy

700V 1V ±1.2% of rdg + 5 digits

Input Impedance 10MΩ

Max. Input Voltage 700V rms AC or 1000V DC

Frequency Range 40 to 400Hz

Response average, calibrated in rms of a sine wave

1 2 3 4 5 6 7 8 ... 31 32

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