Related Manuals for Velleman DVM1090
Summary of Contents for Velleman DVM1090
- Page 1 DVM1090 DIGITAL THERMOMETER DIGITALE THERMOMETER THERMOMETRE NUMERIQUE DIGITALES THERMOMETER MULTÍMETRO DIGITAL User Manual Gebruikershandleiding Manuel d’utilisation Gebrauchsanleitung Manual...
- Page 2 1. Introduction & Safety Prescriptions Thank you for buying the DVM1090. This digital multimeter has a large LCD, a data-hold function and a backlight. It is ideal for use in open air, workshops and schools and for home and hobby applications.
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Page 3: Maintenance
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) DVM1090... -
Page 4: Electrical Specifications
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. DVM1090... - Page 5 10A/250V fuse (quick-acting) for the 10A-range. Max. Input Current : mA jack : 200mA, 10A jack : 10A Voltage Drop : 200mV Frequency Range : 40 to 400HZ Response : average response, calibration in rms of a sine wave. DVM1090...
- Page 6 1°C ±5.0% of rdg + 4 digits 0 to 400°C 1°C ±1.0% of rdg ± 3 digits 401 to 1000°C 1°C ±2.0% of rdg ± 3 digits Overload Protection : F1 : F 200mA/250V fuse (quick-acting, max. resistance 2Ω) DVM1090...
- Page 7 Built-in buzzer sounds if continuity exists (resistance < 50Ω) Open Circuit Voltage : ±2.8V Overload Protection : 250V DC or rms 4.2.13. TTL Logic Range Function The LCD displays ▼ when the logic level ≤ 0.8V. The LCD displays ▲ when the logic level ≥ 2.0V DVM1090...
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Page 8: Operating Instructions
Do not exceed the max. input voltage of 1000V DC !! Be very careful and avoid electroshocks when working with high voltages. 1. Connect the black test lead to the COM jack and the red test lead to the V jack. DVM1090... - Page 9 • Place the range selector in the highest position if the value to be measured is unknown beforehand. • Respect the limit values : the max. current for socket A is 200mA, the max. current for the 10A socket is 10A. The fuse will blow if the limit values are exceeded. DVM1090...
- Page 10 1. Connect the black test lead with the COM jack and the red test lead with the jack. 2. Select the desired F range with the range switch and press the L/C button. 3. Make sure the capacitor has been fully discharged and connect the test leads with the capacitor to be tested. DVM1090...
- Page 11 4. Read the value from the LCD. REMARKS • It is possible to obtain a reading with input voltages above 10Vrms, but the accuracy is not guaranteed. • Use shielded cable to measure small signals in a noisy environment. DVM1090...
- Page 12 3. Connect the test leads with two points of the circuit to be tested. 4. When the logic level is ≤ 0.8V, the LCD will display ▼ and the buzzer will sound. The LCD displays ▲ when the logic level ≥ 2.0V. DVM1090...
- Page 13 Electric ratings of the test leads : 1000V 10A. 7. Accessories • test leads : max. 1000V • 9V-battery (e.g. 6F22) • user manual • holster • thermocouple (“K”-type) • multifunction test socket DVM1090...