Related Manuals for UNISource Corporation DM-1140B
Summary of Contents for UNISource Corporation DM-1140B
- Page 1 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com BENCH TYPE DIGITAL MULTIMETER DM-1140B OPERATION MANUAL V2.0...
- Page 2 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com...
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Page 3: Troubleshooting
Power supply: DC 220V/ 110V, 50/60Hz; Dimension: 260mm×220mm×82mm. Weight: approx.2kgs; Accessories: manual, test leads, power cord, box. DM-1140B V2.0 3-2. TECHNICAL SPECIFICATION 3-2-1. Accuracy; ±(reading % + the lowest effective digit), temperature for accuracy guarantee (23±5)℃, R.H<80%, one year guaranteed from the production date. -
Page 4: Maintenance
3-2-2. Technical data than approx. (30±10) Ω. DC voltage (DCV) 4-10.Frequency measurement Range Accuracy Resolution Connect the test leads or shielded cable to COM and VΩHz terminal. 200mV 10uV Set the function knob to frequency range, connect test leads or cable across to the signal source or load under 100uV ±(0.05%reading+3) tested. - Page 5 To get more accuracy, it’s better to select the range which the reading is more than 10% of full range. Range Accuracy Resolution The max. input current is 2A or 20A (It decided by the COM of red test lead insert into), large current will 200Ω...
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Page 6: Operation
NOTE: Before connecting the circuit under measured, be sure that the measured value should not exceed the limit for forward voltage drop. When the approx. 1mA, resistance under tested is less than backward DCV specified in front panel. 30Ω±10Ω, buzzer sounds and display the less than 3V.