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Summary of Contents for protech QM1594
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Page 1: Digital Multimeter
Multifunction SPECIALIST Environment Digital Multimeter LIFETIME WARRANTY 4000 CAT IV DISPLAY 600V COUNT LIGHT & RELATIVE SOUND HUMIDITY LEVELS... - Page 2 QM1594 Multifunction Environment Digital Multimeter User Manual Thank you for purchasing this Multifunction Environment Digital Multimeter. Use this multimeter to measure environmental conditions such as sound & light levels, indoor humidity and temperature. Ideal for use in server rooms, construction sites, factories, laboratories, greenhouse / hydroponics, archive &...
- Page 3 FUNCTIONS FUNCTIONS Max. Display 4000 Count Temperature Basic Accuracy 0.5% Continuity DC Voltage Range 400mV - 250V Non-Contact Voltage Detection AC Voltage Range 400mV - 250V Data Hold DC Current Range 400µA - 10A Relative AC Current Range 400µA - 10A Measurement Resistance 400Ω...
- Page 4 FUNCTIONS Autoranging/ The meter’s default setting is autoranging. This Manual automatically selects the best range for the selected test/measurement. • To set the meter to manual, press the RANGE button. The “AUTO” icon on the screen will turn off. • Press the RANGE button to move through the available ranges until you see the range you want.
- Page 5 Hz/% Button • Press the button to measure frequency or duty cycle while measuring voltage. • Press the button again to return to measuring voltage. °C/°F Room Use this button to switch between Celsius and Fahrenheit room temperature measurements. Non-Contact •...
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Page 6: Humidity Measurement
SYMBOL DESCRIPTION Continuity Diode Test Low Battery Alternating Current / Voltage AUTO Autoranging Direct Current / Voltage HOLD Display Hold Volts A, mA, µA Current Range SOUND LEVEL MEASUREMENT 1) Set the function switch to the “dB” position. 2) Remove the meter and face the microphone to sound source in a horizontal position. -
Page 7: Light Measurement
LIGHT MEASUREMENT 1) Set the function switch to the desired “Lux” or “x10 Lux” range. 2) Remove the meter and face the photo detector to the light source in a horizontal position. 3) Read the illuminance nominal from the LCD display. 4) Over-range: If the instrument displays “1”... - Page 8 RECOMMENDED ILLUMINATION LOCATIONS Locations Office Conference, Reception 200 to 750 room. Clerical work 700 to 1500 Typing drafting 1000 to 2000 Factory Packing work, Entrance 150 to 300 passage Visual work at production 300 to 750 line Inspection work 750 to 1500 Electronic parts assembly 1500 to 3000 line...
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Page 9: Ac & Dc Voltage Measurement
OUTDOOR TEMPERATURE MEASUREMENT 1) Set the function switch to the °C or °F position. 2) Then the display will show the environment temperature reading value directly. 3) Insert the black plug of the temperature probe into the COM jack. 4) Insert the red plug into the “VHz%” jack. 5) Touch the end of the temperature sensor to the area or surface of the object to be measured. -
Page 10: Ac Current Measurement
AC CURRENT MEASUREMENT CAUTION: Do not make current measurements on the 10A scale for longer than 30 seconds. Exceeding 30 seconds may cause damage to the meter and/or the test leads. 1) Insert the black test lead banana plug into the negative COM jack. 2) For current measurements up to: •... -
Page 11: Continuity Check
CONTINUITY CHECK WARNING: To avoid electric shock, never measure continuity on circuits or wires that have voltage on them. 1) Set the function switch to the Ω position. 2 Insert the black lead banana plug into the negative COM jack. 3) Insert the red test lead banana plug into the positive VHz% jack. -
Page 12: Frequency Measurement
FREQUENCY MEASUREMENT 1) Set the function switch to the Hz position. 2) Insert the black test lead banana plug into the negative COM jack. 3) Insert the red test lead banana plug into the positive VHz% jack. 4) Touch the test probe tips to the circuit under test. 5) Read the frequency in the display. - Page 13 TEMPERATURE HUMIDITY RANGE RESOLUTION ACCURACY -4°F to 1382°F 1°F 3% od rdg ± 9dgts -20°C to 750°C 1°C 3% od rdg ± 9dgts Input Impedence 10MΩ Overload Protection: 250VDC or 250VAC RMS INDOOR TEMPERATURE RANGE RANGE RESOLUTION ACCURACY 0°C to 50°C 0.1°C 3% od rdg ±...
- Page 14 AC VOLTAGE RANGE RESOLUTION ACCURACY 400mV 0.1mV ±(1.5% reading + 15 digits) ±(1.0% reading + 4 digits) 10mV 400V 100mV ±(1.5% reading + 4 digits) 600V ±(2.0% reading + 4 digits) Input Impedance: 10MΩ Max. Input Voltage: 600VAC RMS Frequency Range: 50~400Hz Autoranging except for 400mV range DC CURRENT RANGE...
- Page 15 AC CURRENT RANGE RESOLUTION ACCURACY 400µA 0.1µA ±(1.2% reading + 2 digits) 4000µA 1µA 400mA 100µA ±(1.5% reading + 2 digits) 10mA ±(2.0% reading + 5 digits) Overload Protection: 500mA/660V and 10A/600V fuse. Frequency Range: 50~400Hz. Maximum Inputs: 400mA AC RMS on µA/mA ranges, 10A AC RMS on 10A range.
- Page 16 CAPACITANCE RANGE RESOLUTION ACCURACY 50nF 10pF ±(5.0% reading + 7 digits) 500nF 0.1nF 5µF ±(3.0% reading + 5 digits) 50µF 10nF 100µF 0.1µF ±(4.0% reading + 5 digits) Input Protection: 600VDC or 600VAC RMS FREQUENCY RANGE RESOLUTION ACCURACY 0.001Hz 50kHz 0.01Hz 500kHz 0.1Hz...
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Page 17: Maintenance
MAINTENANCE BATTERY INSTALLATION To avoid the false readings, replace the battery as soon as the low battery power indicator appears. To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery cover. Do not operate the instrument with the battery cover removed. -
Page 18: Specifications
SPECIFICATIONS Display: 4,000 count LCD display Over Range Indication: “OL” is displayed Auto Power: 30 min (approx) Polarity: Automatic, minus (-) sign for negative Measurement Rate: 3 times per second nominal Low Battery Indication: A battery icon displays if battery voltage drops below operating voltage Battery: 1 x 9V... -
Page 19: Warranty
WARRANTY This product is protected by a lifetime 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 20 Distributed by: Electus Distribution Pty. Ltd. 320 Victoria Rd, Rydalmere NSW 2116 Australia www.electusdistribution.com.au Made in China...
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