Pro's Kit MT-1707 User Manual Download

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not be over 10 seconds. The current measurement shall be carried out 1
minute after the completion of previous measurement.

4.2.11 AC current

Measuring range

Resolution

Accuracy

60mA

0.01mA

±(1% R 3 digits)

600mA

0.1mA

10A

10mA

±(2% R 10 digits)

Overload protection:
Protective tube for mA measuring range (F500mA/250V) ; Protective

tube for 10A measuring range (F10A/250V) .

Maximal input voltage: mA position: 600mA DC/AC (valid value);

10A position: 10A DC/AC (valid value) When the

measured current is over 5A, the duration of continuous measurement shall
not be over 10 seconds. The current measurement shall be carried out 1
minute after the completion of previous measurement.
Frequency response: 40Hz-1kHz True RMS

4.2.12 Temperature (depends on different model, only for

the instruments with it)

Measuring range

Resolution

Accuracy

-20

℃

~1000

℃

(1.0% r3digits)

-4

℉

~ 1832

℉

(1.0% r3digits)

Overload protection: 600V DC/AC

5. Meter maintenance

This section provides the basic information on maintenance, including the

descriptions about replacement of protective tubes and batteries. Do not
attempt the meter maintenance unless you are experienced in maintenance

Summary of Contents for MT-1707

Page 1: ...0 MT 1707 3 5 6 True RMS Digital Multimeter ...

Page 2: ...perator must observe all standard safety procedures in the two respects below A Safety procedures against electric shock B Safety procedures against unintended use To ensure your personal safety please use the test lead that accompanies the meter Before operating this meter ensure that the test lead is flawless 1 1 2 Safety considerations When the meter is used in the vicinity of the equipment tha...

Page 3: ...to prevent potential electric shock as a result of incorrect reading please first use AC functions to check the absence of any AV voltage Then select DC voltage measuring range equivalent to or greater than that for AC voltage Before the tests on electric resistance diode capacitor or continuity the operator must cut off the power supply to the circuit to be measured and discharge all high voltage...

Page 4: ...ty symbol The safety symbols that appear on the meter s body and in this Operation Manual Warning an important safety symbol The operator must consult this Operation Manual before using the meter Unintended use may lead to the damage to the device or its components AC alternating current DC direct current AC DC Ground Double insulation protection Fuse High voltage warning CAT III 1000 V Over volta...

Page 5: ...a long period the operator shall remove the battery and place it in a place free from high temperature and humidity 1 2 Input protection measures The meter can sustain the maximum input voltage of 1000V DC or 750V AC at the moment of voltage measurement The meter can sustain the maximum AC voltage of 600V or equivalent voltage valid value when the tests on frequency electric resistance continuity ...

Page 6: ...seholds it is an ideal multi functional meter 2 1 A Schematic Diagram for the Meter Physical appearance Non contact voltage detection area LED Light Non contact voltage indicator LCD screen Select key Hold key Backlight key LED light key Rotary switch Input socket ...

Page 7: ...6 ...

Page 8: ...7 2 2 Description of the symbols on the display unit ...

Page 9: ...8 ...

Page 10: ...z 1x103 Hz MHz 1x106 Hz or 1000 KHz mF F nF F mF F nF Farad the unit of capacitance Millifarad 1x10 3 or 0 001 farad Microfarad 1x10 6 or 0 000001 farad nF 1x10 9 or 0 000000001 farad 2 3 Description of functional keys Key Description of functions Select SEL keys e g Temperature measurement position mode or mode AC voltage position press the key to select voltage frequency mode in the AC voltage m...

Page 11: ...her the led light will be off 2 4 Description of input socket input socket Description COM All public input terminals to be measured are connected to test leads in black or the public output plugs of exclusive multi function test sockets V Hz Positive input terminals connected to a test lead in red for capacitor measurement diode measurement beep on off test temperature measurement voltage measure...

Page 12: ...ld again to restore the meter to its status for normal measurement 3 1 2 Backlight The meter is equipped with the functions of backlight so that the operator can access measurement results even if he is in a darker place The backlight function can be enabled or disenabled by the steps below 1 Press the key to enable backlight 2 Press the key again to manually disenable backlight wait for 15 second...

Page 13: ...suring ranges as follows 600 0mV 6 000V 60 00V 600 0V and 1000V and AC voltage measuring ranges 6 000V 60 00V 600 0V and 750V Measurement of AC voltage or DC voltage Turn the rotary switch to the position V or V Connect the test lead in black and test lead in red to COM input socket and V input socket respectively Use another two ends of the test lead to measure the voltage of the circuit to be me...

Page 14: ...rrent or AC current valid value Frequency measurement at the Hz position Turn the rotary switch to the position Hz Connect the test leads in black and in red to COM input socket and Hz input socket respectively Use another two ends of the test lead to measure the frequency of the circuit to be measured Read the measured frequency on LCD screen Frequency measurement at the ACV position It is only a...

Page 15: ...tively 3 Use another two ends of the test lead to measure the electric resistance of the circuit to be measured 4 Read the measured electric resistance value on LCD screen Notes The measured value of the electric resistance of the circuit differs a bit from the rated value of the electric resistance To ensure measurement accuracy in attempting a low resistance measurement first put two pen shaped ...

Page 16: ...normal diode still produces a forward voltage drop of 0 5V to 0 8V the reverse bias voltage reading depend on the variation in electric resistance of other channels between two pen shaped meters 3 2 5 Beep continuity test To avoid the meter or the measured equipment from damage do not attempt a beep continuity test unless the operator has already cut off all power sources for the circuit to be mea...

Page 17: ...nd input socket respectively 3 Use another two ends of the test lead to measure the capacitance of the capacitor to be measured and capture the measured value on LCD screen Note The measurement of a large capacitance requires a given period of stabilization of reading To avoid damage to the meter the measurement of a capacitor with polarities requires much attention to its polarity 3 2 7 Current m...

Page 18: ...en the measured current is 600mA 10A 3 Disconnection of the circuit to be measured Connect the test lead in black to the end of disconnected circuit the voltage is lower and connect the test lead in red to the end of the disconnected circuit voltage is higher 4 Connect the power to the circuit and capture the displayed reading If the display unit only shows OL it means the input is over the select...

Page 19: ...to the end of and insert the black plug of the thermocouple into COM socket Directly read the temperature value from the display screen after the reading is stable Notes The maximum measuring temperature for the K type thermocouple dispatched at random is 250 and its instant measuring value can reach 300 4 Technical parameters 4 1 Overall parameters Operating environment 600V CAT Ⅳ and 1000V CAT Ⅲ...

Page 20: ...oltage Input polarity indication will automatically appear Power 1 x 9V 6F22 battery Dimensions 190 mm L 89mm W 53mm H Weight approximately 315g not included batteries or test leads 4 2 Precision indicator Accuracy reading digit The accuracy warranty will run for 1 year upon the ex factory date Reference conditions Ambient temperature is between 18 and 28 and relative humidity is no more than 80 4...

Page 21: ... 0 1 1 Reading 3 digits Input voltage range 200mV 750V AC valid value Please measure the frequency at the AC V position only the frequency less than 1KHz can be measured Overload protection 1000V DC 750 AC 4 2 4 Electric resistance Measuring range Resolution Accuracy 600 0 1 0 8 Reading 3 digits 6k 1 60k 10 600k 100 60M 1k 1 2 Reading 30 digits 600M 10k Overload protection 600V DC AC Open circuit ...

Page 22: ...y Functions Measuring range Resolution Description Testing conditions 600 0 1 Buzzer sounds the resistance is less than 30Ω Open circuit voltage approximately 1V Overload protection 600V DC AC 4 2 7 Capacitor Measuring range Resolution Accuracy 1nF 0 001 nF 4 Reading 30 digits 10nF 0 01 nF 2 5 Reading 10 digits 100nF 0 1 nF 1uF 0 001uF 10uF 0 01 uF 100 uF 0 1uF 1mF 0 001m F 60mF 0 01mF 5 Reading 3...

Page 23: ...Reference Input voltage range 200mV 10V ac valid value Overload protection 600V DC AC 4 2 10 DC current Measuring range Resolution Accuracy 600uA 0 1uA 0 8 Reading 3 digits 60mA 0 01mA 600mA 0 1mA 10 00A 10mA 1 5 Reading 10 digits Overload protection Protective tube for uA mA measuring range F500mA 250V Protective tube for 10A measuring range F10A 250V Maximal input current mA position 600mA DC AC...

Page 24: ... measured current is over 5A the duration of continuous measurement shall not be over 10 seconds The current measurement shall be carried out 1 minute after the completion of previous measurement Frequency response 40Hz 1kHz True RMS 4 2 12 Temperature depends on different model only for the instruments with it Measuring range Resolution Accuracy 20 1000 1 1 0 reading 3digits 4 1832 1 1 0 reading ...

Page 25: ...ads out of the input socket Clean up all dirty substances on sockets Use a new cotton ball with a detergent or lubricant to clean each socket because lubricant can prevent the socket vulnerable to dampness from pollution 5 2 Battery fuse replacement To avoid any electric shock or personal injury as a result of incorrect reading replace batteries once the symbol appear on the display unit Only the ...

Page 26: ...replace with 1 pc 9 V 6F22 new batteries 6 Fix the battery cover Fuse replacement When fuse is blown replace with the same type of fuse 1 Turn off the power of the meter and take out the holster 2 Use a screwdriver to remove the screw of back cover 3 Take off the back cover 4 Remove the blown fuse and replace with the same type of fuse 5 Screw the back cover 6 Put the holster back ...

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