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USER'S MANUAL

DMR-1100A

CIRCUIT-TEST ELECTRONICS

Digital Multimeter

www.circuittest.com

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Summary of Contents for DMR-1100A

Page 1: ...USER S MANUAL DMR 1100A CIRCUIT TEST ELECTRONICS Digital Multimeter www circuittest com ...

Page 2: ...t of overvoltage Category I is equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low level Examples include protected electronic circuits Note Do not use this meter for measurements within overvoltage Category II III and IV SAFETY SYMBOLS This symbol adjacent to another symbol terminal or operating device indicates that the opera...

Page 3: ...unit to AC or DC powered circuits when function switch is set to Ω diode check or continuity 5 To safeguard against electrical shock or damage to instrument never connect to more than 600V DC or 600V AC between input jacks and ground 6 Always inspect the instrument test leads and other accessories for damage prior to use 7 Read this instruction manual carefully and completely before using SAFETY P...

Page 4: ...very 15 min FUSED 200mA 250V MAX 600V MAX 10A 600 200 2000 μ 20 m 200 m 9V 1 5V BATT 2000 200 20k 200 k 2000 k 200 m 20 200 600 OFF V Ω A V 2000 m 1 FunctionSwitch Selectdesiredfunctionandrangeand to turn the meter ON and OFF 2 LCD Display 3 Digit 3 COM Jack Plug in terminal for black test lead 4 VΩmA Jack Plug in terminal for red test lead for all measurements except DC current measurement 200mA ...

Page 5: ...w battery Input Impedance 1M Ω DCV ACV Sampling Rate About 2 to 3 times sec Operation Temp 0 to 40o C Storage Temp 10 to 50o C Fuse GMA 250mA 250V Power Source 1 9V Battery Dimensions 70 W x 127 H x 25 D mm Weight 170g including battery Note Accuracy is stated at 65 F to 83 F 18 C to 28 C and less than 75 RH Accuracy is of reading Number of least significant digits a GENERAL b TECHNICAL ...

Page 6: ...V 1mV 0 8 5 20V 10mV 200V 100mV 600V 1V 1 0 5 Input Impedance 1M Ω Max Allowable Input Voltage 600V DC AC rms AC VOLTAGE RANGE RESOLUTION ACCURACY 200V 100mV 1 2 10 600V 1V Input Impedance 1M Ω Frequency Response 45Hz 400Hz Max Allowable Input Voltage 600V AC rms ...

Page 7: ...V Fast for the VΩ mA terminal s inputs only There is no fuse protection for the 10A terminal s inputs Max Allowable Input Current 10A For inputs 2A measurement duration 10 secs interval 15 minutes RESISTANCE RANGE RESOLUTION ACCURACY 200Ω 0 1Ω 1 2 5 2000Ω 1Ω 1 0 5 20kΩ 10Ω 200kΩ 100Ω 2000kΩ 1kΩ 1 2 5 Max Open Circuit Voltage about 3V ...

Page 8: ... forward voltage drop in mV will be displayed The built in buzzer will sound when the resistance is less than about 50Ω BATTERY TEST RANGE DESCRIPTION TEST CONDITION 1 5V The working voltage of the battery will be displayed on the LCD The working current is about 20mA 9V The working current is about 5mA ...

Page 9: ...to be measured Ensure that the black lead is connected to the negative side of the circuit and the red lead to the positive 1 4 Read the displayed voltage 1 5 If the minus sign appears the voltage is negative at the point being measured 2 AC VOLTAGE MEASUREMENT WARNING Maximum input is 600V AC 2 1 Plug the red test lead into the V jack and the black test lead into the COM jack 2 2 Set the range sw...

Page 10: ...est leads to the circuit 3 4 Read the displayed resistance NOTE For measurements 1M Ω the meter may take a few seconds to stabilize reading This is normal for high resistance measurements When input is not connected i e open circuit 1 will be displayed to indicate over range 4 DC CURRENT MEASUREMENT WARNING Remove all power from the circuit being tested when checking current When using 10A scale d...

Page 11: ... with the load to be measured 4 4 Apply power to the circuit 4 5 Read the displayed current NOTE If changing range switch to or from the 10A position first disconnect power and test leads from the circuit being tested Repeat the above steps using the correct input jack and range switch position 5 DIODE TEST WARNING Remove all power from the circuit being tested when using the diode check Discharge...

Page 12: ...d capacitors Never connect the probes to any voltage while the selector is set to 6 1 Plug the black test lead into the COM jack and red test lead into the V jack 6 2 Set the function switch to 6 3 Connect the probes across the circuit to be measured 6 4 If the resistance is lower than about 50Ω the buzzer will sound 7 1 Plug the black test lead into the COM jack and red test lead into the V jack ...

Page 13: ...turn off the power 1 2 Remove the screws in the rear cover of the case and remove the cover 1 3 Unsnap the battery from the connector and replace with a new 9V battery 1 4 Replace the cover and cover screws 2 FUSE REPLACEMENT WARNING Disconnect both test leads from any equipment before removing back cover Do not use the meter with the case opened 2 1 Disconnect both test leads and turn off the pow...

Page 14: ...ants to the original purchaser thatthisproductbefreeofdefectinmaterialorworkmanship for a period of 2 years from the date of purchase Any product which has been subjected to misuse or ac cidental damage is excluded from the warranty Except as statedabove Circuit TestElectronicsmakesnopromisesor warranties either expressed or implied including warranties of merchantability or the fitness for any pa...

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