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Summary of Contents for protech HOBBYIST QM1500
- Page 1 Low Cost HOBBYIST Digital Multimeter User Manual QM1500...
- Page 2 GENERAL INFORMATION & SAFETY INSTRUCTIONS BEFORE FIRST USE This compact pocket - sized 3 ½ digit multimeter is great for measuring DC and ac voltage, DC current, resistance and diode. WARNING • To avoid electrical shock hazard and/or damage to the multimeter, do not measure voltages that might exceed DC 1000V or AC 750V above earth ground.
- Page 3 BOX CONTENTS • 1 x Multimeter • 2 x AAA Batteries • 1 x Set of Test Leads • 1 x User Manual OVERVIEW Function and Range Switch This switch selects the function and desired range also turning on the multimeter.
- Page 4 OPERATING INSTRUCTIONS DC VOLTAGE MEASUREMENT Connect red test lead to “V Ω mA” jack. Black lead to “COM” jack. Set the RANGE switch to the desired DCV position. If the voltage to be measured is unknown beforehand, set the switch to the highest range and reduce it until a satisfactory reading is obtained.
- Page 5 DIODE MEASUREMENT Red lead to “V Ω mA”. Black lead to “COM” RANGE switch to position Connect the red test lead to the anode of the diode to be measured and the black test lead to the cathode. The forward voltage drop in mV will be displayed. If the diode is reversed, figure 1 will be shown.
- Page 6 MEASUREMENT SPECIFICATIONS DC VOLTAGE Overload Protection: 220VAC for 200mV range, 1000VDC or 750VAC for other ranges. AC VOLTAGE RANGE RESOLUTION ACCURACY 200V 100mV (±1.2% of reading + 10 digits) 750V Overload Protection: 1000VDC or 750VAC for all ranges. Response: Average, calibrated in RMS of SINE. Frequency Range: 45Hz-450Hz DC CURRENT RANGE...
- Page 7 RESISTANCE RANGE RESOLUTION ACCURACY 200 0 .1 ( ±1.0% of reading + 8 digits) 2000 1 20k 1 (±1.2% of reading + 8 digits) 200k 1 2000k 1 Maximum Open Circuit Voltage: 2.8V Overload Protection: 15 seconds maximum, 220V RMS all ranges. Audible continuity.
- Page 8 WARRANTY Our product is guaranteed to be free from quality and manufacturing defects for a period of 12 Months. If your product becomes defective during this period, Electus Distribution will repair, replace, or refund where a product is faulty; or not fit for intended purpose. This warranty will not cover modified product;...
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