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MAX/MIN

NOTE:    

When using the MAX/MIN function in Autoranging mode, the meter will 

“lock” into the range that is displayed on the LCD when MAX/MIN is activated. 

If a MAX/MIN reading exceeds that range, an “

OL

” will be displayed. Select 

the desired range BEFORE entering MAX/MIN mode.
1.   Press the 

MAX/MIN

 key to activate the MAX/MIN recording mode. The 

display icon "

MAX

" will appear. The meter will display and hold the 

maximum reading and will update only when a new “max” occurs.

2.   Press the 

MAX/MIN

 key again and the display icon "

MIN

" will appear. 

The meter will display and hold the minimum reading and will update 

only when a new “min” occurs.

3.   To exit MAX/MIN mode press and hold the 

MAX/MIN

 key for 2 seconds

Display Backlight

Press and hold the 

HOLD

 key for >1 second to turn on or off the display 

backlight function. The backlight will automatically turn off after 10 seconds. 

HOLD

The hold function freezes the reading in the display. Press the 

HOLD

 key 

momentarily to activate or to exit the 

HOLD

 function.

Содержание DMR-6550

Страница 1: ...USER S MANUAL Multimeter True RMS Auto ranging DMR 6550 CIRCUIT TEST ELECTRONICS www circuittest com...

Страница 2: ...potentially hazardous situation which if not avoided could result in death or serious injury This CAUTION symbol indicates a potentially hazardous situ ation which if not avoided may result damage to...

Страница 3: ...ly When using the test probes always keep fingers behind the finger guards Never touch the exposed probe tip Always consider circuits to be energized Never assume any equipment to be de energized Use...

Страница 4: ...Continuity 600V DC AC rms Temperature 600V DC AC rms 2 USE EXTREME CAUTION when working with high voltages 3 NEVER connect the meter leads across a voltage source while the function switch is in the...

Страница 5: ...nput jack 4 COM negative input jack 5 Positive input jack 6 HOLD Backlight button 7 Max Min button 8 Range Diode button 9 Hz button Continuity Low Battery Diode HOLD Data Hold AUTO AutoRanging AC Alte...

Страница 6: ...Auto power off Automaticallyshutsdownafterapprox 15minutes of inactivity Operating Temperature 0 C to 50 C 32 F to 122 F at 70 relative humidity Storage temperature 20 C to 60 C 4 F to 140 F at 80 rel...

Страница 7: ...Resolution Accuracy 6 000V 1mV 1 5 of reading 10 digits 60 00V 10mV 1 5 of reading 10 digits 600 0V 100mV 1000V 1V 2 0 of reading 10 digits DC Current Range Resolution Accuracy 6A 1mA 2 5 of reading...

Страница 8: ...00nF 10pF 5 0 of reading 50 digits 400 0nF 0 1nF 3 0 of reading 5 digits 3 0 of reading 5 digits 4 000uF 1nF 40 00uF 10nF 400 0uF 0 1uF 5 0 of reading 5 digits 4000uF 1uF 5 0 of reading 5 digits Frequ...

Страница 9: ...Hz Sensitivity 0 5V RMS Temperature Range Resolution Accuracy 20 C 760 C 1 C 3 of reading 5 C 9 F 4 F 1400 F 1 F Sensor Type K Thermocouple Diode Test Range Resolution Accuracy 0 3mA typical 1 mV 10 o...

Страница 10: ...OL appears in the display during a measurement the value exceeds the range you have selected Change to a higher range NOTE On some low AC and DC voltage ranges with the test leads not con nected to a...

Страница 11: ...ld the maximum reading and will update only when a new max occurs 2 Press the MAX MIN key again and the display icon MIN will appear The meter will display and hold the minimum reading and will update...

Страница 12: ...on The probe tips may not be long enough to contact the live parts inside some 240V outlets for appliances because the contacts are recessed deep in the outlets As a result the reading may show 0 volt...

Страница 13: ...nt in the display AC Current Measurements CAUTION Do not make current measurements on the 10Ascale for longer than 30 seconds Exceeding 30 seconds may cause damage to the meter and or the test leads 1...

Страница 14: ...wires that have voltage on them Resistance Measurements WARNING To avoid electric shock disconnect power to the unit under test and discharge all capacitors before taking any resistance measurements R...

Страница 15: ...d the other reading shows OL the diode is good B If both readings show OL the device is open C If both readings are very small or 0 the device is shorted WARNING To avoid electric shock do not test an...

Страница 16: ...ng the part under test until the reading stabilizes about 30 seconds 4 Read the temperature in the display WARNING To avoid electric shock be sure the thermocouple has been removed before changing to...

Страница 17: ...avoid electric shock do not operate your meter until the battery door is in place and fastened securely Replacing the Fuses WARNING To avoid electric shock disconnect the test leads from any source of...

Страница 18: ...period of 2 years from the date of purchase Any product which has been subjected to misuse or accidental damage is excluded from the warranty Except as stated above Circuit Test Electronics makes no p...

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