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Summary of Contents for Velleman DCM97K
- Page 1 DCM97K version 2 versie 2 version 2 Separable Meter : Digital Multimeter & AC Current Transducer Afneembare Meter : Digitale Multimeter & AC Stroomtang Mètre séparable : multimètre numérique & pince ampèremétrique CA User Manual Gebruikershandleiding Manuel d'Utilisation...
- Page 2 DCM97K -- Separable Meter : Digital Multimeter (DMM) & AC Current Transducer 1. INTRODUCTION Thank you for buying the DCM97K ! We are confident that this multifunctional device will serve you well for many years to come. This is a separable meter consisting of a digital multimeter (DMM) and an AC current transducer.
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Page 3: Safety Information
Always be careful when working with voltages in excess of 60VDC or 30Vrms l Keep your fingers behind the probe barriers while using the device. 1.3. Symbols Important safety information, consult the manual. Earth ground Double insulation (Protection Class II) DCM97K v2... - Page 4 Positive input connector for measuring tension, resistance and diodes. ú "RAN."-key (Manual Range) Push this key to select the manual range selection mode or to change ranges. Push the RANGE key once to make the RANGE indicator appear on the LCD. DCM97K v2...
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Page 5: Specifications
Storage Temperature : -10 to 60°C (14 to 140°F) Temperature Coefficient : 0.15 x (specified accuracy)/°C, <18°C or >28°C Dimensions : 54 (W)x 165 (L) x 28 (H) mm Weight : 120g Auto Power-Off : Approx. 10 minutes DCM97K v2... - Page 6 300Ω 0.1Ω 3KΩ 1Ω ± 1.2% of rdg -- 2 digits 30KΩ 10Ω 300KΩ 100Ω 3MΩ 1KΩ ± 2.0% of rdg -- 5 digits 30MΩ 10KΩ Overload Protection : 250VDC or 250Vrms AC Open-Circuit Voltage : approx .1.3V DCM97K v2...
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Page 7: Operation
The display may become unstable, especially when working in the 300mV-range, even if you do not connect the test probe with the circuit. Short the "V-Ω" terminal and the "COM" terminal and make sure the zero is displayed if you suspect that a particular reading is erroneous. DCM97K v2... - Page 8 3. Connect the red test probe to the anode and the black lead to the cathode of the diode. The meter will display the approx. forward voltage of the diode. Only "OL" will be displayed if the lead connection is reversed. DCM97K v2...
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Page 9: Battery Replacement
Note : Please observe all applicable laws when disposing of your old batteries. WARNING Make sure that all test leads have been disconnected from the circuit to be measured before opening the battery cover in order to avoid the risk of electroshocks. DCM97K v2... - Page 10 Consult fig. 3 and follow the procedure outlined below to familiarise yourself with the AC current transducer. € Transformer jaws FIGURE 3 Designed to pick up the AC current flowing though the conductor. ó Hand guard Designed to protect the user. ì Trigger Press the lever to open the jaws. DCM97K v2...
- Page 11 Temperature Coefficient : 0.2 x (spec. accuracy)/°C, <18°C or >28°C Maximum Output Impedance : 45Ω Maximum Jaw Opening : 31mm Maximum Diameter of the Conductor : 29mm Dimensions : 81 x 106 x 31mm Weight : 126g DCM97K v2...
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Page 12: Precautions And Preparations For Measurement
LCD. 6. MAINTENANCE Always use a damp cloth and a mild detergent for cleaning purposes. Never apply abrasives or solvents to the meter. All maintenance, repairs, adjustments and calibration should be carried out by qualified personnel. DCM97K v2... - Page 13 FIGURE 5 DCM97K v2...
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