Table of Contents
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Table of Contents
Related Manuals for RAGU 17B
Summary of Contents for RAGU 17B
- Page 1 RAGU 17B DIGITAL MULTIMETER OPERATION MANUAL...
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Page 2: Table Of Contents
Contents ⅠOverview..........................3 ⅡSafety Precautions........................3 Ⅲ Features and Specifications....................3 1.General Features.........................3 2. Technical Features......................4 ⅣOperating Instructions......................7 1.Operation Panel........................7 2. DC voltage measurement....................7 3. AC voltage measurement....................8 4. DC current measurement....................8 5. AC current measurement....................9 6. Resistance (Ω) measurement.....................9 7. Capacitance(C) measurement....................9 8. -
Page 3: Ⅰoverview
High voltage alarm, 15s backlight and overload protection make it convenient to use. RAGU 17B can be used to measure the DC/AC voltage, DC/AC current, resistance, capacitance, diode, continuity, true rms and frequency. It is a ideal tool in laboratory and factory as well as for radio fans and family due to outstanding performances. -
Page 4: Technical Features
2. Technical Features 2-1 Accuracy:±(a% × reading＋least significant digits), at (23±5)℃, relative humidity <75%. Warranty is one year, starting on shipping date. 2-2 The functions with "▲" are available for RAGU 17B. Supported by 17B Measurement Functions and Specifications DC voltage (DCV) ▲... - Page 5 2-3-2 AC voltage rms(ACV) Range Accuracy Resolution 600mV 0.1mV (0.8%+5) 10mV 600V 100mV 750V (1.2%+10) Input impedance: 10MΩ. Frequency response: 40Hz~1kHz (standard sine wave triangular wave); 40Hz~200Hz(other waveforms). 2-3-3 DC current Range Accuracy Resolution 600uA 0.1uA (0.8%+10) 6000uA 0.001mA 60mA 0.01A 600mA (2.0%+30)
- Page 6 2-3-5 Resistance (Ω) Range Accuracy Resolution 600Ω 0.1Ω （0.8%+5） 6kΩ 1Ω （0.8%+3） 60kΩ 10Ω 600kΩ 100Ω 6MΩ 1kΩ 60MΩ (1.0%+25) 10kΩ Open-circuit voltage: less than 3V. Overload protection: 550V DC or AC peak. Note: a. When selecting the 600Ω range, you should short-circuit test leads at first to measure the wire resistance, and then deduct it from the actual resistance.
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Page 7: Ⅳoperating Instructions
nput sensitivity: 1V rms. Overload protection: 550V DC or AC peak (not more than 10 seconds). 2-3-9 Diode Range Display value Test Conditions Forward DC current Diode has a forward voltage is about drop 1mA;open-circuit voltage is about 3V A long sound comes from Open-circuit voltage buzzer when... -
Page 8: Ac Voltage Measurement
meter. -When measuring high voltage, more attention should be paid to personal safety and avoid your body getting in touch with high voltage circuit. - After measuring, disconnect test leads from circuit under test immediately. 3. AC voltage measurement A) Insert red test lead and black test lead into V/Ω/Hz and COM input jacks respectively. B) Rotate function selection switch to , which is for AC voltage measurement. -
Page 9: Ac Current Measurement
5. AC current measurement A) Insert the black test lead into COM input jack and red one into mA/uA jack (Max 600mA), or insert the red one into 10A input jack(Max 10A). The initiate state of the measuring current is DC current. Press the “Select” button to switch to AC current measurement mode. B) Rotate function selection switch to DCA. -
Page 10: Diode And Continuity Test
Rotate the range selection switch to , press the “Select” button, choose auto capacitance measurement. Cross connect the test leads to the tested capacitor. Note: -At 10nF range, the screen will show capacitance parameter which caused by test leads, please deduct it from the actual capacitance to get the accurate measured value. -
Page 11: Data Hold And Backlight On/Off
Ⅵ Instrument maintenance RAGU 17B is a precision instrument and user shall not modify the electric circuit. 1. Keep the instrument away from water, dust and shock. 2. Do not store and operate the meter under the condition of high temperature, high humidity, combustible, explosive environment and strong magnetic field. - Page 12 5-2. Remove the battery and replace the new one. In order to extend the operation life, please use the alkaline battery with the same standard; 5-3. Close the battery door and secure the screw. Content in this manual is considered correct. If users find any errors or omissions, please contact the manufacturer;...