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Summary of Contents for protech QM1527
- Page 1 Non-Contact HOBBYIST Voltage Detection Digital Multimeter 2 YEAR WARRANTY DATA HOLD CAT III 500V AUTO BACKLIGHT...
- Page 2 THIS PAGE INTENTIONALLY LEFT BLANK...
- Page 3 QM1527 Non-Contact Voltage Detection Digital Multimeter Thank you for purchasing this Non-Contact Voltage Detection Digital Multimeter. This multimeter includes an internal buzzer and LED warning light to indicate when power is earthed, voltage is detected, the circuit is leaking or resistance is lower than around 70Ω. Manual range selection allows you to work with preferred ranges.
- Page 4 FUNCTIONS Max. Display 2000 Count Basic Accuracy 0.5% DC Voltage Range 200mV - 500V AC Voltage Range 200V - 500V DC Current Range 200µA - 10A Resistance 200Ω - 2MΩ Square Wave Output Diode Test Continuity Check NCV (Non-Contact Voltage) Detection LINE (Live Wire Recognition) Test...
- Page 5 LCD Display NCV/LINE LED Indicator Induction Indicator Power Button Backlight Button Data Hold Button Rotary Switch COM Input Jack Input Jack 10A Input Jack The tilt stand & battery compartment are at the rear of the multimeter.
- Page 6 FUNCTIONS NCV Detection Move the rotary switch to NCV. When voltage is detected, the alarm will sound and the LED indicator will flash. Hold Button Press the button to lock readings as displayed on screen. Press again to unlock. LED Indicator Flashes when voltage is detected.
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Page 7: Ac & Dc Voltage Measurement
AC & DC VOLTAGE MEASUREMENT To avoid electric shock and/or damage to the multimeter - do not attempt to take any voltage measurements that might exceed 600VDC and do not apply more than 600VDC between the common terminal and the earth ground. Unstable display may occur, especially at the low voltage range measurement. -
Page 8: Diode Test
DIODE TEST & CONTINUITY CHECK To avoid electric shock - disconnect power to the unit under test and discharge all capacitors before taking the diode test, and never measure continuity on circuits of wires that have voltage on them. In a circuit, a good diode should produce a forward bias reading of voltage. -
Page 9: Square Wave Output
4) Touch the test probe tips across the circuit or the part under test. It’s best to disconnect one end of the circuit, so the rest of the circuit will not interfere with the resistance reading. 5) Read the resistance displayed on-screen. SQUARE WAVE OUTPUT 1) Set the rotary switch to range position. - Page 10 MEASUREMENT SPECIFICATIONS The following guide is based on an environmental temperature of 18-28°C and humidity <80%. DC VOLTAGE RANGE RESOLUTION ACCURACY 200mV 100µV ±(0.5% reading + 2 digits) ±(0.5% reading + 3 digits) 10mV ±(0.8% reading + 3 digits) 200V 100mV 500V ±(0.8% reading + 5 digits)
- Page 11 DC CURRENT RANGE RESOLUTION ACCURACY 200µA 0.1µA 1µA ±(1.0% reading + 5 digits) 20mA 10µA 200mA 100µA ±(2.0% reading + 5 digits) 10mA ±(3.0% reading + 5 digits) Overload Protection: Fuse F200mA/250V No fuse for 10A range SQUARE WAVE OUTPUT OUTPUT VP-P IMPEDENCE...
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Page 12: Diode & Continuity
DIODE & CONTINUITY RANGE FUNCTION Display approximate forward voltage of diode Built-in buzzer will sound if resistance is less than 70Ω ± 30Ω MAINTENANCE BATTERY INSTALLATION To avoid false readings, replace the battery as soon as the low battery power indicator appears. 1) Turn power off and disconnect the test leads from the meter. -
Page 13: Specifications
SPECIFICATIONS Protection: Overload, Full Range Max. Input Voltage: 600VDC Operating Temperature: 0°C~40°C Operating Humidity: < 80%RH Storage Temperature: -10°C~60°C Storage Humidity: < 70%RH Power Supply: 1 x 9V Battery Dimensions: 145(H) x 70(W) x 32(D)mm Weight: 200g (including battery) BOX CONTENTS 1 x Non-Contact Voltage Detection Multimeter 1 x Test Leads 1 x Holster... -
Page 14: Warranty
WARRANTY This product is protected by a 2 year warranty (from the date of purchase) covering all product manufacturing defects/faults that may occur within this timeframe. This warranty does not cover damage caused by neglect, misuse, contamination, alteration, accident or abnormal conditions of operation or handling, including failures caused by use outside of the product’s specifications, or the normal wear and tear of mechanical components. - Page 15 THIS PAGE INTENTIONALLY LEFT BLANK...
- Page 16 Distributed by: Electus Distribution Pty. Ltd. 320 Victoria Rd, Rydalmere NSW 2116 Australia www.electusdistribution.com.au Made in China...
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