DT-61 User Manual
Contents
1. Touch the test probe tips to the circuit under test Read the frequency in the display The digital reading will indicate the proper decimal point symbols Hz kHz MHz and value 6 in 1 Digital Multimeter User Manual 6 11 Measuring Resistance Set the function switch to the green Q gt position e Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the V Hz Q CAP C jack Indicate OL MQ on the display Touch the test probe tips across the circuit or part under test It is best to disconnect one side of the part under test so the rest of the circuit will not interfere with the resistance reading Read the resistance in the display 6 12 Measuring Diode Set the function switch to the green Q gt 2 position e Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the V Hz Q Cap C jack Press the MODE button to indicate and V on the display Touch the test probes to the diode under test Forward voltage will typically indicate 0 400 to 0 700V Reverse voltage will indicate OL Shorted devices will indicate near OV and an open device will indicate OL in both polarities 6 13 Audible Continuity Test Set the function switch to Q gt position Insert the black lead banana plug into the negative COM jack Insert the red test lead banana plug into the V Hz2 Q CAP C jack2. Press the MODE button to indicate F and O on the display Touch the test probe tips to the circuit or wire you wish to check elf the resistance is less than approximately 50Q the audible signal will sound If the circuit is open the display will indicate OL 6 14 Non contact AC Voltage Test NCV Set the function switch to the ON position Remove the meter and face the NCV detector to ACV source e If source votalge in 50 1000V the NCV indicate lamp will light 6 in 1 Digital Multimeter User Manual 7 Maintenance Battery and Fuse Replacement If the sign appears on the LCD display it indicates that the battery should be replaced Remove screws on the back cover and open the case Replace the exhausted battery with new batteries 1 x 9V battery NEDA 1604 6F22 or equivalent Fuse rarely need replacement and blow almost always as a result of the operator s error Open the case as and replace the blown fuse with ratings specified A Warning Before attempting to open the case be sure that test leads have been disconnected from measurement circuit to avoid electric shock hazard Replace fuse only with specified ratings Fuse1 F10A 600V fast blow Fuse2 F500mA 660V fast blow 6 in 1 Digital Multimeter User Manual Rev 101217 cce X
3. Capacitance 600VDC AC rms Duty Cycle Diode Test Continuity Temperature 600VDC AC rmsp A Indicates operators must refer to the explanation in this manual A Indicates terminals at which dangerous voltage maybe present 6 in 1 Digital Multimeter User Manual 3 Panel Description ca BB u t88 B AUTO HOLDREL CdBF 8 mka Hz ApH Vom x10 Lux 1 Humidity amp Temperature Humidity Sensor and Semiconductor Sensor inside for Indoor 2 LCD display 3 4 5 digits LCD display 3 Function switch 4 V Hz Q CAP C input jack 5 COM input jack 6 uA mA input jack 7 10A input jack 6 in 1 Digital Multimeter User Manual 8 Microphone Electric condenser microphone inside 9 Photo Detector Long life silicon photo diode inside 10 Hz button The button at AC DC Votalge measurement and AC DC Current measurement and Hz measurement Function is availability 11 HOLD button The HOLD function allows the meter to freeze a measurement for later reference Press the HOLD button to freeze the reading on the indicator The HOLD message will be appear in the display 12 BACKLIGHT button Press the backlight button for LCD light again Press the backligh button to exit light mode 13 MODE button The button to select AC or DC measurement when in A mA uA and Q 3 ranges 14 RANGE button The button to select AC or DC measurement when in Voltage Q ranges 15 REL button The relative measurem
4. Race FREE hen n2 Auto Power Off L OFF es Lux Temperature Multimeter Please read this manual before switching the unit on Important safety information inside 6 in 1 Digital Multimeter User Manual 6 in 1 Digital Multimeter User Manual Contents Page 1 Anitroductiofi cc rci 6 4 2 Safety Instructions esssssssssssssssseeeeeeennennen nen 5 3 P nel Description cer red exeo intro aa 6 DALLILIM E 8 5 Sp cifications iiec reor cacher th eta oan eee Era rn aE 8 5 1 Sound Level oec eiden aiaia 9 5 2 Ligh EE EEEE TE DEEE HAAS DE 9 5 3 Temperature Aumidi 9 SEMI 10 6 Operating Instr ctlOn idee tte ite tide neret 6 1 Measuring Sound Level e 6 2 Measuring Humidity 6 3 Measuring Lioht 6 4 Measuring Temperature 6 5 Measuring DCVoltaaseeeeee aa 6 6 Measuring AC Voltage a 6 7 Measuring DC Current 6 8 Measuring AC Current 6 9 Measuring Capacitance sssssssssseeeeeneee 6 10 Measuring Frequence ssssssssseeeeeenennenee 6 11 Measuring Resistance 18 6 12 Measuring Diode sssssssseeeeeeenneeeneee 18 6 13 Audible Continuity Test ssssssssseeeneeee 18 6 14 Non contact AC Voltage Test NCV sssss 18 7 Maintenance eir eren GEM 19 6 in 1 Digital Multimeter User Manual 1 Introduction The 6 in 1 digital multi tester has be
5. Range Resolution Accuracy 400 0uA 0 1uA x 1 296 of rdg 2 dgts 4000uA 1uA x 1 296 of rdg 2 dgts 400 0mA 100uA 1 5 of rdg 2 dgts 10 00A 10mA x 2 096 of rdg 5 dgts Overload Protection 500mA 660V and 10A 600V Fuse AC Response 50Hz to 400Hz Maximum Input 400mA DC or 400mA AC rms on uA mA ranges 10A DC or AC rms on 10A range Resistance Auto ranging Range Resolution Accuracy 400 02 0 10 1 5 of rdg 4 dgts 4 000kQ 10 1 5 of rdg 2 dgts 40 00kQ 10Q 400 0kQ 1000 4 000MQ 10kQ 2 0 of rdg 2 dgts 40 00MQ 1MQ 2 5 of rdg 2 dgts Overload Protection 15 seconds maximum 250V DC or 250V AC rms Maximum open circuit voltage 2 8V on all ranges 6 in 1 Digital Multimeter User Manual Capacitance Auto ranging Range Resolution Accuracy 50 00nF 10pF 5 0 of rdg 7 dgts 500 0nF 3 0 of rdg 5 dgts 5 000uF 50 00uF 100 0uF 4 0 of rdg 5 dgts Input Protection 600V DC or 600V AC rm Frequency Auto ranging 5 000Hz 1 2 of rdg 3 dgts 50 00Hz 500 0Hz 5 000kHz 50 00kHz 500 0kHz Sensitivity gt 0 5V RMS while lt 1MHz Sensitivity gt 3V RMS while gt 1MHz Input Protection 250V DC or 250V AC rms Diode and Continuity check Diode Test current 1 4mA dc and open circuit voltage 2 8V DC Continuity Built in Buzzer will be sound if the circuit resistance is less than 500 Overload Protection maximum 600V DC or 600V
6. The A is displayed when the battery voltage drops below the operating level Measurement rate 3 times per second nominal Operating environment 0 C to 40 C 32 F to 104 F at lt 70 RH Storage temperature 10 C to 60 C 14 F to 140 F at lt 80 RH Power One standard 9V NEDA1604 or 6F22 battery Dimensions 170 H x78 W x48 D mm Weight Approx 335g including holster Accuracy is given at 18 C to 28 C 65 F to 83 F less than 70 RH 6 in 1 Digital Multimeter User Manual 5 1 Sound Level Measurement range 35 to 100dB Resolution 0 1dB Typical instrument 30Hz to 10kHz frequency range Frequency Weighting C weighting Time Weighting Fast Accuracy 5dB at 94dB sound level 1kHz sine wave Microphone Electric condenser microphone 5 2 Light Measuring Range 4000 40 000Lux 40 000Lux range reading x10 Overrate Display Highest digit of OL is displayed Accuracy 5 rdg 10 dgts calibrated to standard incandescent lamp at color temperature 2856k Repeatability 2 Temperature Characteristic x 0 1906 C Photo detector One silicon photo diode with filter 5 3 Temperature Humidity e K type temperatur Measurement Range Range Resolution Accuracy 4 F to 1382 F 1 F 3 of rdg 9dgts 20 C to 750 C 1 C 3 of rdg 5dgts Input Impedance 10MQ Overload Protection 250VDC or AC rms for 400mV range and 250VDC or 250VAC rms for other ranges 6 in 1 Digital Mu
7. AC rms 6 in 1 Digital Multimeter User Manual 6 Operating Instruction 6 1 Measuring Sound Level Set the function switch to the green dB position Remove the meter and face the microphone to sound source in a horizontal position The C weighting curve is nearly uniform over the frequency range from 30 to 10 000Hz thus giving an indication of overall Sound level The Fast response is suitable to measure shout bursts and peak values from sound source The sound level will be displayed Note Strong wind over 10m sec striking the microphone can cause misreading for measurement in windy locations a windscreen should be used in front of microphone 6 2 Measuring Humidity Humidity Measurement for indoor Set the function switch to the ON position Remove the meter place to the room Read the RH in the display for about two hours 6 3 Measuring Light Set the function switch to the green Lux scale and set the range to desired Lux or x10 Lux range Remove the meter and face the photo detector to light source in a horizontal position Read the illuminance nominal from the LCD display Over range If the instrument only display one 1 in the M S D the input signal is too strong and a higher range should be selected When the measurement is completed Replace the photo detector from the light source Spectral sensitivity characteristic To the detector the applied photo diode with filters mak
8. V HzZ Q CAP C jack Touch the end of the temperature sensor to the area or surface of the object to be measured The display will show the temperature reading value C directly 6 5 Measuring DC Voltage e Insert the black test lead banana to the COM jack and red test lead banana to the V Hz96o O CAP C jack Set the function switch to the green at DCV ranges to be used and connect test leads connect test leads across the source or load under measurement Set the function switch at DCmV ranges to be used connect test leads connect test leads across the source or load under measurement Read LCD display The polarity of red connection will be indicated when making a DC measurement Press the Hz button to indicate Hz Read the frequency in the display Press the Hz button again to indicate 96 Read the 96 of duty cycle in the display 6 6 Measuring AC Voltage Insert the black test lead banana to the COM jack and red test lead banana to the V Hz9o O CAP C jack Set the function switch to the green at AC ranges to be used and connect test leads connect test leads across the source or load under measurement Read LCD display The polarity of red connection will be indicated when making a AC measurement Press the Hz button to indicate Hz 6 in 1 Digital Multimeter User Manual Read the frequency in the display Press the Hz button again to indicate 96 Read the 96 of duty cycle in the displ
9. ay 6 7 Measuring DC Current Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the uA mA or 10A jack For current measurements up to 4000uA DC set the function switch to the uA position and insert the red test lead banana plug into the uA mA jack For current measurements up to 400mA DC set the function switch to the mA position and insert the red test lead banana plug into the uA mA jack For current measurements up to 10A DC set the function switch to the yellow 10A position and insert the red test lead banana plug into the 10A jack Press the MODE button to indicate DC on the display Remove power from the circuit under test then open up the circuit at the point where you wish to measure current Touch the black test probe tip to the negative side of the circuit Touch the red test probe tip to the positive side of the circuit Apply power to the circuit Read the current in the display 6 8 Measuring AC Current Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the uA mA or 10A jack For current measurements up to 4000uA AC set the function switch to the uA position and insert the red test lead banana plug into the uA mA jack For current measurements up to 400mA AC set the function switch to the mA position and insert the red test lead banana plug into the uA mA jack For current measur
10. ements up to 10A AC set the function switch to the yellow10A position and insert the red test lead banana plug into the 10A jack 6 in 1 Digital Multimeter User Manual Press the MODE button to indicate AC on the display Remove power from the circuit under test then open up the circuit at the point where you wish to measure current Touch the black test probe tip to the neutral side of the circuit Touch the red test probe tip to the hot side of the circuit Apply power to the circuit Read the current in the display Press and hold the Hz button to indicate Hz Read the frequency in the display e Momentarily press the Hz button again to indicate 96 Read the 96 duty cycle in the display Press and hold the Hz button to return to current measurement 6 9 Measuring Capacitance Set the function switch to the green CAP position e Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the V Hz Q Cap C jack If value is no zero in the display Press the REL button to zero Touch the test probe tips across the part under test Read the capacitance value in the display The display will indicate the proper decimal point and value 6 10 Measuring Frequence Set the function switch to the Hz position e Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the V Hz Q CAP C jack
11. en designed to combine the functions of Sound Level Meter Light Meter Humidity Meter Temperature Meter Non contact AC Voltage Test Meter and Digital Multimeter It is an ideal multi function Instrument with scores of practical applications for professional and home use The Sound Level function can be used to measure noise in factories schools offices airports home etc checking acoustics of studios auditoriums and hi fi installations The Light function is used to measure illuminance in the field It is fully cosine corrected for the angular incidence of light The light sensitive component used in the meter is a very Stable long life silicon diode The Temperature is for use a semiconductor sensor and K type thermocouple This operations manual contains general information and specification The digital Multimeter performs AC DC Voltage AC DC Current Resistance measurement and Audible Continuity Diode Temperature test 6 in 1 Digital Multimeter User Manual 2 Safety Instructions This meter has been designed for safe use but must be operated with caution The rules listed below must be carefully followed for safe operation NEVER apply voltage or current to the meter that exceeds the specified maximum Input Protection Limits Function Maximum Input mA AC DC 500mA 660V fast acting fuse 500mA 660V A AC DC 10A 600V fast acting fuse 10A for 30 seconds max every 15 minutes Frequency Resistance
12. ent feature allows you to make measurements relative to a stored reference value A reference voltage current Capacitor etc can be stored and measurements made in comparison to that value The displayed value is the difference between the reference value and the measured value Perform the measurement as described in the operating instructions Press the REL button to store the reading in the display and the REL indicator will appear on the display The display will now indicate the difference between the stored value and the measured value Press the REL button to exit the relative mode 16 NCV indicate lamp 6 in 1 Digital Multimeter User Manual 4 Features 14 functions measure Sound level Light Humidity Temperature DC Voltage AC Voltage DC Current AC Current Resistance Diode and Continuity test 3 4 5Digital large LCD display with units of Lux C RH and dB indication e Easy to use with single function switch operating pocket size and light weight Sound level measures from 35dB to 100dB for C weighting checking with 0 1dB resolution Light measuring levers ranging from 1 Lux to 40 000 Lux Humidity measurement from 30 RH to 90 RH with 1 RH resolution and fast time response 5 Specifications Display 3 A 5Digital 4000 counts LCD display with function of Lux C 96 and dB indication Polarity Automatic negative polarity indication Over range OL mark indication Low battery indication
13. es the spectral sensitivity characteristic almost meet C I E International Commission on Illumination photopia curve V as the following chart described 6 in 1 Digital Multimeter User Manual 100 Relative Sensitivity Spectral Sensitivity 80 VA 60 40 20 0 400 500 600 700 Wavelength nm Recommended Illumination Locations Lux Office Conference Reception room 200 to 750 Clerical work 700 to 1 500 Typing drafting 1000 to 2 000 Factory Packing work Entrance passage 150 to 300 Visual work at production line 300 to 750 Inspection work 750 to 1 500 Electronic parts assembly line 1500 to 3 000 Hotel Public room Cloakroom 100 to 200 Reception Cashier 200 to 1 000 Store Indoors Stairs Corridor 150 to 200 Show window Packing table 750 to 1 500 Forefront of show window 1500 to 3 000 Hospital Sickroom Warehouse 100 to 200 Medical Examination room 300 to 750 Operating room Emergency Treatment 750 to 1 500 School Auditorium Indoor Gymnasium 100 to 300 Class room 200 to 750 Laboratory Library Drafting room 500 to 1 500 6 in 1 Digital Multimeter User Manual 6 4 Measuring Temperature Temperature Measurement for outdoor Set the function switch to the green 0 1 C position or 1 C position Then the display will show the environment temperature reading value C directly Insert the black plug of temperature probe the COM jack and red plug to the
14. ltimeter User Manual Indoor Temperature Range Range Resolution Accuracy 0 C to 50 C 0 1 C 3 of rdg 5 dgts Indoor Humidity Range Range Resolution Accuracy 33 RH to 99 RH 1 RH 3 of rdg 5 dgts Input Impedance 10MQ Overload Protection 250VDC or AC rms for 400mV range and 250VDC or 250VAC rms For other ranges 5 4 Multimeter DC Voltage Auto ranging 400 0mV 0 1mV 1 0 of rdg 4 dgts 4 000V 1 0mV 40 00V 10mV 400 0V 100mV 1 5 of rdg 4 dgts 600V 1V Input Impedance 10MQ Overload Protection 600VDC or AC rms for 400mV range and 600VDC or 600VAC rms For other ranges e AC Voltage Auto ranging except 400mV Range Resolution Accuracy 400 0mV 0 1mV 1 5 of rdg 15 dgts 4 000V 1 0mV 1 0 of rdg 4 dgts 40 00V 10mV 400 0V 100mV 1 5 of rdg 4 dgts 600V 2 of rdg 4 dgts Input Impedance 10MQ Frequency Range 50 to 400Hz Maximum Input 600VDC or 600VAC rms 6 in 1 Digital Multimeter User Manual DC Current Auto ranging for uA and mA Range Resolution Accuracy 400 0uA 0 1uA x 1 096 of rdg 2 dgts 4000uA 1uA x 1 096 of rdg 2 dgts 400 0mA 100uA x 1 296 of rdg 2 dgts 10 00A 10mA x 2 096 of rdg 5 dgts Overload Protection 500mA 660V and 10A 600V Fuse Maximum Input 400mA DC or 400mA AC rms on uA mA ranges 10A dc or ac rms on 10A range AC Current Auto ranging for uA and mA
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