Dvm 68 lcd auto range digital multimeter operation manual gebruikershandleiding manuel d’utilisateur.
Velleman gb 1 dvm 68 lcd auto range digital multimeter 1. Description your dvm 68 is a autoranging professional digital multimeter with a 3 ¾ digit lcd display. It is ideally suited for field, lab, shop, and home applications. By using the latest in ic and display technology to significantly reduce ...
Velleman gb 2 1.3 maintenance your dvm 68 is an example of superior design and craftsmanship. The following suggestions will help you care for the multimeter so you can enjoy it for years : • keep the multimeter dry. If it gets wet, wipe it dry immediately. • use and store the multimeter only in nor...
Velleman gb 3 2.1 range control button range for ac/dc voltage, ac/dc current(µa and ma only), resistance and frequency measuring can be selected manually or autorange. Push this button as following to choose range the desired mode or range. 2.2 data hold button when this button is pushed, the displ...
Velleman gb 4 2.4 input jacks this meter has four input jacks that are protected against overload to the limits. During use, connect the black test lead to the com jack and the red test lead as shown below function red lead connection input limits dcv / acv v / Ω / f 1000v dc or 750v ac rms khz v / ...
Velleman gb 5 remarks : 1) for resistance above 3.26m Ω , it may take a few seconds to stabilize reading. This is normal for high resistance measuring. 2) when the input is not connected, i.E. At open circuit, the figure "ol" will be displayed for the overrange condition. 3) when checking in-circuit...
Velleman gb 6 3.7 transistor test 1) set the function switch at hfe position. 2) identify whether the transistor is npn or pnp type and locate emitter, base and collector lead. Insert leads of the transistor to be tested into proper holes of the testing socket on the front panel. 3) lcd display will...
Velleman gb 7 4.3 ac voltage range resolution accuracy 3.26v 1mv 32.6v 10mv ± 0.8% of rdg ± 3 digits 326v 0.1v 750v 1v input impedance : 10m Ω frequency range : 40 to 1000hz, 40 to 200hz at 3.26v range 4.4 dc current range resolution accuracy burden voltage 326µa 0.1µa 0.5mv / µa 3260µa 1µa ± 1.2% o...
Velleman gb 8 fig. A fig. B fig. C fig. D range resolution accuracy 326nf 0.1nf ± 3.0% of rdg ± 5 digits 32.6µf 10nf 4.8 frequency range resolution accuracy 32.6khz 10hz ± 1.2% of rdg ± 3 digits 150khz 100hz ± 2.5% of rdg ± 3 digits sensivity : 200mv rms up to 50khz, 1v rms for 50khz to 150khz 5. Ac...
Velleman gb 9 if the sign " " appears on the lcd display, it indicates that the battery should be replaced. Remove screws on the back cover and open the case. Replace the exhausted battery with a new one. Fuse rarely needs replacement and blows usually as a result of the operator’s error. Open the c...
