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80000 Counts

Bench Digital Meter DM-1170A

Operation Manual V1.1

BENCHT

INSTRUMENT

Содержание DM-1170A

Страница 1: ...80000 Counts Bench Digital Meter DM 1170A Operation Manual V1 1 BENCHTOP INSTRUMENT...

Страница 2: ...r may be expired Never measure voltage while the test leads are plugged into the current input terminals Do not input voltage higher than rated voltage between terminals or between terminal and earth...

Страница 3: ...easurement with upper lower limit setting Timing measurement function AC measuring adopts highly accurate true RMS measurement with measurement frequency bandwidth and AC DC measuring capable of accur...

Страница 4: ...TIONS Fig 2 1 Front panel 1 Power switch 2 Auxiliary keys 3 Terminals 4 Function keys 5 LCD display Fig 2 2 Rear Panel 6 AC110V 220V selector switch 7 Fuse locator 8 Power socket 9 RS232 interface USB...

Страница 5: ...measuring modes Press TIMER key to start the secondary display for counting time Press TIMER key again to turn off the counting time display When the secondary display is displaying counting time pre...

Страница 6: ...Press SELECT key to select REL or REL mode REL measuring value Reference value REL REL REL x100 OL will appear on LCD in the following situation When in REL mode the REL exceeds measurement range When...

Страница 7: ...nge mode 14 APO Auto power off mode 15 RS232 Communication interface 16 MAX MIN MAX MIN MAX Rereading MIN Reading MAX MIN Reading 18 27 Temperature units and measurement indicator 20 mV V mA A Voltage...

Страница 8: ...ng appears on secondary display 6 Press keys to adjust the upper limit value 7 Press SET key to validate the new input Set upper limit and lower limit HI LO at the same time 1 Power on the meter 2 Pre...

Страница 9: ...ion will be given by continuous beepers immediately To stop the beepers please press HOLD key when calculating time is displayed When the timer is activated the preset measurement time and calculating...

Страница 10: ...ill automatically select a most suitable range for the measurement signal In the MANUAL measuring mode the measuring range is selected manually by pressing RANGE key If there is more than one range in...

Страница 11: ...easurement AC voltage must not exceed AC750V The measurement of AC voltage has three modes ACV ACV Hz and dBm Hz 1 Press function key V 2 Press SELECT key to select measurement mode 3 According to pra...

Страница 12: ...tage of the rated value of this range 5 2 AC DC Current Measurement WARNING To avoid injury and damage to the meter never attempt an in circuit current measurement when the fuse is blown or when the v...

Страница 13: ...he measurement equipments disconnect circuit power and discharge all high voltage capacitors before measuring resistance Use the DC function to confirm that the capacitor is discharged CAUTION When me...

Страница 14: ...larity In measuring low capacitance the resistance of the test leads may cause an error in the test results To avoid this error first short the test leads next press REL key The primary display will b...

Страница 15: ...nalog bar MAX MIN AVG REL HOLD functions RPM RPM Disable 5 6 Temperature Measurement The measurement of temperature has two modes normal and high temperature NOTE All temperature measurement is in aut...

Страница 16: ...m is default at 606 1Hz duty cycle 50 2 Connect the black test lead to COM terminal and the red test lead to V Hz terminal 3 Press 2nd VIEW key to select the frequency from the following ranges 0 5000...

Страница 17: ...an be set at any value between 0 1 99 seconds 6 5 Alarm Setup This function sets the upper and lower limits for alarm If the measurement results exceed the preset upper or lower limits the PC will sen...

Страница 18: ...functions the same as pressing the meter s key for 2 seconds 6 11 Analog Display Window The analog display window displays exactly the same as the analog display area of the meter LCD display The fun...

Страница 19: ...ey to start the data recording and Stop key to stop the data recording In the meanwhile the data has been stored in the History txt file Click the Reset key to clear the current data in History txt fi...

Страница 20: ...0 8V 0 1mV 0 8 rdg 50 5 0 rdg 50 8 0 rdg 50 80V 1mV 0 8 rdg 50 8 0 rdg 50 750V 10mV 90 Range 50Hz 1kHz 0 8 rdg 50 90 Range 50Hz 1kHz 5 0 rdg 50 Remarks Input impedance 80mV 800mV 1000M 8V 1000V DC10M...

Страница 21: ...999 99kHz 10Hz 8 0000MHz 100Hz Capacitance Range Resolution Accuracy Remarks 1nF 0 1pF 5 0 rdg 50 Overload protection 250V RMS 10nF 1pF 2 5 rdg 50 100nF 10pF 1 F 100pF 10 F 1nF 100 F 10nF Diode Range...

Страница 22: ...cy 5 of range In a RF field the capacitance has no specified range For all ranges and functions in a RF field above 1V m there is no specified range Safety Compliance IEC 61010 CAT II 1000V and CAT II...

Страница 23: ...urrent 800mA 250V located in the current input terminal 20A 250V located the main circuit WARNING To avoid electric shock or electric arc burns or damage to the meter please follow below steps and ins...