Velleman DVM1090 Manuel d'utilisateur télécharger pdf (Page 4)

DVM1090 GB 3

4. Specifications

Max. accuracy is achieved during a one-year period after calibration. Ideal circumstances require a temperature of 18

to 28°C (64 to 82°F) and a max. relative humidity of 75%.

4.1 General Specifications

Measuring Method Dual-slope integration A/D converter

Sampling Time ±0.4sec.

Display LCD 25mm

Max. Display 1999 points (3 ½ digits)

Polarity Indication “-“ indicates negative polarity

Overrange Indication “1”

Displayed Measuring Unit Unit of electrical capacity

Battery-Low Indication “

”-symbol is displayed

Maximum Altitude 7000ft (2000m)

Max. voltage between terminals and earth 1000V DC or AC

Fuse Protection F 200mA/250V (quick-acting, max. resistance 2

Ω

), F 10A/250V (quick-

acting)

Power Supply 9V-battery (e.g. 6F22)

Operating Temperature 0°C to +40°C (+32 to +104°F)

Storage Temperature -10°C to +50°C (+10 to +122°F)

Dimensions 185 x 84 x 38mm

Weight ±300g (battery included)

4.2 Electrical Specifications

4.2.1. DC Voltage

Range Resolution Accuracy

200mV 0.1mV ±0.5% of rdg + 1 digit

2V 1mV ±0.5% of rdg + 3 digits

20V 10mV ±0.5% of rdg + 3 digits

200V 100mV ±0.5% of rdg + 3 digits

1000V 1V ±0.8% of rdg + 3 digits

Input Impedance : 10M

Ω

Overload Protection : 250V DC or rms AC for the 200mV-range, 1000V DC or 700V rms AC for the ranges 2V to

1000V

Max. Input Voltage : 1000V DC

NOTE

Make sure the test leads are actually touching the circuit when performing measurements in the lower voltage

ranges. The reading will fluctuate if the leads don’t touch the circuit.

1 2 3 4 5 6 7 8 9 ... 12 13

Pas de commentaire

Velleman DVM1090 Manuel d'utilisateur Page 4