protech QM1594, User Manual

Page 1: ...LIGHT SOUND LEVELS RELATIVE HUMIDITY 4000 DISPLAY COUNT CAT IV 600V LIFETIME WARRANTY Multifunction Environment Digital Multimeter SPECIALIST...

Page 2: ...e use We recommend retaining this manual for ease of reference Improper use of this meter can cause damage shock injury or death Always remove the test leads before replacing the battery or fuses Befo...

Page 3: ...ntinuity Yes Non Contact Voltage Detection Yes Data Hold Yes Relative Measurement Yes Diode Test Yes Duty Cycle Yes Autoranging Yes LCD Backlight Yes Auto Power Off Yes The fuse battery compartment ar...

Page 4: ...ange by turning the switch to the preferred option LCD Screen Readings and measurements taken by the multimeter will display in this area Hold Backlight Press the HOLD button to lock readings as displ...

Page 5: ...ource you wish to test If source voltage is 50 1000V the LED indicating light will turn on NOTE Static electricity or other sources of energy can randomly trip the sensor Input Jacks VHz Positive inpu...

Page 6: ...orm over the frequency range from 30 to 10 000Hz thus giving an indication of overall Sound level 4 The fast response is suitable to measure shout bursts and peak values from sound source 5 The sound...

Page 7: ...sensitivity characteristic To the detector the applied photo diode with filters makes the spectral sensitivity characteristic almost meet C I E International Commission on Illumination photopia curve...

Page 8: ...bly line 1500 to 3000 Hotel Public room Cloakroom 100 to 200 Reception Cashier 200 to 1000 Store Indoors stairs corridor 1500 to 3000 Show window Packing table 750 to 1500 Forefront of show window 150...

Page 9: ...Press the Hz button to indicate Hz on the screen Take note of the measured frequency 9 Press the Hz button again to indicate on the screen Take note of the measured of duty cycle DC CURRENT MEASUREME...

Page 10: ...lack test probe tip to the negative side of the circuit 6 Touch the red test probe tip to the positive side of the circuit 7 Apply power to the circuit Read the current in the display The display will...

Page 11: ...ay 5 Touch the test probe tips to the diode you wish to test Note the meter reading 6 The diode can be evaluated as follows A A forward voltage will typically indicate 0 400 to 0 700V B Reverse voltag...

Page 12: ...is based on an environmental temperature of 18 28 C and humidity 70 SOUND LEVEL Measurement Range 35 to 100dB Resolution 0 1dB Typical Instrument Frequency Range 30Hz to 10kHz Frequency Weighting C we...

Page 13: ...other ranges 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 RANGE RESOLUTION ACCURACY 0 C to 50 C 0 1 C 3 od rdg 5dgts RANGE RESOLUTION ACCURACY 33 RH to 9...

Page 14: ...V and 10A 600V fuse Maximum Inputs 400mA DC RMS on A mA ranges 10A DC RMS on 10A range Autoranging for A and mA ranges AC VOLTAGE RANGE RESOLUTION ACCURACY 400mV 0 1mV 1 5 reading 15 digits 4V 1mV 1 0...

Page 15: ...e Frequency Range 50 400Hz Maximum Inputs 400mA AC RMS on A mA ranges 10A AC RMS on 10A range Autoranging for A and mA ranges RESISTANCE Overload Protection 15 seconds maximum 250VDC or 250VAC RMS on...

Page 16: ...10MHz 1kHz 1 5 reading 4 digits FREQUENCY Input Protection 250VDC or 250VAC RMS Sensitivity 0 5V RMS while 1MHz 3V RMS while 1MHz RANGE RESOLUTION ACCURACY 50nF 10pF 5 0 reading 7 digits 500nF 0 1nF 3...

Page 17: ...3 Remove the old battery and insert the new battery into the battery holder observing the correct polarity 4 Put the battery cover back in place secure with the screws REPLACING FUSES To avoid electr...

Page 18: ...nd nominal Low Battery Indication A battery icon displays if battery voltage drops below operating voltage Battery 1 x 9V Operating Temperature 0 C to 50 C Storage Temperature 10 C to 60 C Operating H...

Page 19: ...e suspected defect fault arises and return the product along with proof of purchase to the place of purchase or distributor for assessment Distributor contact details are available on the last page of...

Page 20: ...Distributed by Electus Distribution Pty Ltd 320 Victoria Rd Rydalmere NSW 2116 Australia www electusdistribution com au Made in China...