Related Manuals for Circuit-test DMR-1100A
Summary of Contents for Circuit-test DMR-1100A
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Page 1: Digital Multimeter
USER'S MANUAL Digital Multimeter DMR-1100A CIRCUIT-TEST ELECTRONICS www.circuittest.com... -
Page 2: Safety Information
INTRODUCTION Your Circuit-Test DMR-1100A Digital Multimeter incorpo- rates the latest technology to provide you with a feature packed instrument. With it you can measure a wide range of voltages, current and resistance in the lab, shop, car and home. This product has been designed for the electrician, technician and hobbyist. -
Page 3: Safety Precautions
This symbol advises the user that the terminal(s) so marked must not be connected to a circuit point at which the voltage with respect to earth ground exceeds (in this case) 600 VAC or VDC. WARNING 1. Set the function switch correctly before making any measurements. -
Page 4: Front Panel
BATT. 2000 UNFUSED 10A MAX CIRCUIT-TEST For 10 sec. MAX every 15 min. V mA DMR-1100A FUSED 200mA 250V DIGITAL MULTIMETER 600V 600V 1. Function Switch - Select desired function and range and to turn the meter ON and OFF. -
Page 5: Specifications
SPECIFICATIONS a. GENERAL Display: 3.5 digit, 0.5" (12mm) H LCD Ranging: Manual ranging Polarity: Automatic, minus (-) sign indicates negative polarity Over range: "1" is displayed Low Battery: " " or "BAT" indicates low battery Input Impedance: 1M Ω (DCV/ACV) Sampling Rate: About 2 to 3 times/sec. -
Page 6: Resolution Accuracy
DC VOLTAGE RANGE RESOLUTION ACCURACY 200mV 100μV ± (0.5% + 5) 2000mV 10mV ± (0.8% + 5) 200V 100mV 600V ± (1.0% + 5) Input Impedance: 1M Ω Max. Allowable Input Voltage: 600V DC/AC rms AC VOLTAGE RANGE RESOLUTION ACCURACY 200V 100mV ±... - Page 7 DC CURRENT RANGE RESOLUTION ACCURACY 2000μA 1μA ± (1.0% + 5) 20mA 10μA 200mA 100μA ± (1.2% + 5) 10mA ± (2.0% + 5) Overload Protection: Fuse, 250mA/250V, Fast (for the "VΩ mA" terminal's inputs only) There is no fuse protection for the "10A" terminal's inputs.
- Page 8 DIODE AND CONTINUITY RANGE DESCRIPTION Test Voltage: about 2.8V Test Current: about 1mA The approximate 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 The working current The working voltage...
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Page 9: Dc Voltage Measurement
MEASUREMENTS Please take a few minutes to read these instructions prior to use. 1 DC VOLTAGE MEASUREMENT WARNING: Maximum input is 600V DC. 1-1 Plug the red test lead into the V jack and the black test lead into the COM jack. 1-2 Set the range switch to the desired position. -
Page 10: Resistance Measurement
3 RESISTANCE MEASUREMENT WARNING: Remove all power from the circuit being tested when checking resistance. Discharge any charged capacitors. Never connect the probes to any voltage while the selector is set to OHM. 3-1 Plug the red test lead into the V jack and the black test lead into the COM jack. -
Page 11: Diode Test
4-2 Set the range switch to one of the current ranges. If you are unsure of the amount of current being measured set switch to the highest reading and reduce until a satisfactory reading is obtained. 4-3 Remove power from the circuit that is to be measured. Open up the circuit and connect the black lead to the negative side and the red lead to the positive side of the circuit so that the test leads are in series with the... -
Page 12: Continuity Test
5-3 Connect the red test lead to the anode and the black test lead to the cathode of the diode to be tested. 5-4 The approximate forward voltage drop of the diode will be displayed in mV. If the connection is reversed “1” will be displayed. -
Page 13: Fuse Replacement
Battery Good Weak > 8.2V 7.2 to 8.2V < 7.2V 1.5V > 1.35V 1.22 to 1.35V < 1.22V MAINTENANCE 1 BATTERY REPLACEMENT WARNING: Disconnect both test leads from any equipment before removing back cover. Do not use the meter with the case opened. 1-1 Disconnect both test leads and turn off the power. -
Page 14: Limited Warranty
Any product which has been subjected to misuse or ac- cidental damage is excluded from the warranty. Except as stated above, Circuit-Test Electronics makes no promises or warranties either expressed or implied including warranties of merchantability or the fitness for any particular purpose.
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