Velleman DVM1090 Manual de usuario descargar pdf (Pagina 3)

DVM1090 GB 2

CAD II Overvoltage category II, pollution degree 2 per IEC1010-1

CAT III Overvoltage category III, pollution degree 2 per IEC1010-1

2.2 Maintenance

• Do not remove the back cover while a voltage is being applied. Only a qualified technician should handle repairs.

•

Always disconnect the test leads from all current sources before opening the meter.

• Replace the battery when the

symbol is displayed.

•

Replace blown fuses with an identical one or a fuse with identical voltage and current ratings : F 200mA/250V

(quick-acting, max. resistance 2Ω), F 10A/250V (“quick-acting”).

• Use a damp cloth and a mild detergent to clean the device. Never apply abrasives or solvents to the meter

•

Place the power switch in the OFF position when the device is not being used

• Remove the batteries to keep them from leaking if the device is to be stored for a prolonged period of time.

3. Front Panel Description

1. LCD display

2. L/C button : press this button prior to each individual

capacitance and inductance measurement in order to

calibrate the device.

3. Power button (

)

4. Range selector : used to select the desired function and

range

5. Front panel

6. Battery cover

7. 10A jack

8. Capacitor and

Ω

, °C, A, V, Hz and H-jack

9. COM jack

10. DC/AC button (DC/AC) : used for AC/DC voltage and

AC/DC current measurements. Place the button in the

pressed-down position for AC current or voltage

measurements or put it in the depressed position for DC

current and voltage measurements.

11. Backlight button (LIGHT)

12. Data-hold button (HOLD)

Low battery

Fuse

AC (alternating current)

DC (direct current)

buzzer for continuity

AC or DC (alternating current or direct current)

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

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Velleman DVM1090 Manual de usuario Pagina 3

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