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Summary of Contents for Tenmars YF-509
- Page 1 DIGITAL INSULATION TESTER YF-509 OPERATING MANUAL HB2YF5090000 TENMARS ELECTRONICS CO., LTD...
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Page 2: Table Of Contents
CONTENTS 1. FEATURES............. 3 SPECIFICATIONS ......... 4 2-1General Specifications ........4 2.2Electrical Specifications:........ 6 EXTERIOR FEATURES ........ 8 MEASUREMENT........... 9 BATTERY REPLACEMENT......12 SYMBOL/ABBREVIATION EXPLANATION..........13 PRECAUTIONS........... 13 IMPORTANT RECOMMENDATIONS ..15... -
Page 3: Features
YF-509 Thank you for your patronage. Before using this insulation meter, please carefully read the instructions below to allow proper operation, minimize damage and getting the best performance from this instrument. FEATURES Measures high insulation resistance (0.1MΩ～2000MΩ), manual range , of 200MΩ... -
Page 4: Specifications
YF-509 SPECIFICATIONS 2-1 General Specifications Display : 3 1/2 digit LCD that indicates values up to 1999, units, decimal point and symbols. Polarity indication : Automatically displays “ - “ symbol during negative input. Zero adjustment : Automatic zeroing. - Page 5 YF-509 Note: Power consumption is greatest when operating in the 250V, 500V and 1,000V ranges or when measuring high insulation resistance. Battery life will be reduced if operation is frequently in these ranges. Operation height : 2000M under the elevation above sea level.
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Page 6: 2.2 Electrical Specifications
YF-509 2.2 Electrical Specifications: (23℃±5℃, below 80％RH ). Accuracy : ±(. . . % reading +. . . digits) DC Voltage Input Overload Range Resolution Accuracy Impedance Protection DC 1000V ±(0.5% 10MΩ AC 750V AC Voltage Input Overload Range Resolution Accuracy... - Page 7 YF-509 Measurement Voltage Terminal Measurement Supported Range Range open Voltage Terminal Voltages When the resistance is in the 1MΩrange, 250V/ Rated voltage ±10% 50MΩ the rated voltage should reach up to 90%. When the resistance 500V/ is in the 20MΩ...
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Page 8: Exterior Features
YF-509 EXTERIOR FEATURES (1). Liquid crystal display (LCD) : Displays measurement readings, all numerical units, symbols and range indications. (2). H.V : High voltage output indication. (3). LOCK switch : Used for extended duration MΩ measurements. (4). PUSH switch : Used for momentary duration MΩ... -
Page 9: Measurement
YF-509 indication. (7). V / test socket : Positive input terminal for AC/DC voltages and continuity testing. (8). EARTH test socket: Positive input terminal for high voltage output MΩ resistance measurements. (9). Test wiring assembly. (10). MAX : Lock up max. Value of LCD. - Page 10 YF-509 (3). Measure voltage with the two tips of the test probes (by contacting a test circuit). (4). The value of the voltage\read will be displayed on the LCD screen. Continuity Test (1). Insert the red test probe into the " V/ "...
- Page 11 YF-509 h Resistance Insulation Test (1). Insert the red test probe into the "LINE" socket and the black test probe into the "EARTH" socket. (2). Turn the function switch to the 200MΩ/250V,200MΩ/500V or 2000MΩ/1000V position (according to the voltage level).
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Page 12: Battery Replacement
YF-509 BATTERY REPLACEMENT The meter is powered by 1.5V battery x8pcs (NEDA 15F IEC R6 JIS UM-3). use the fowling procedure to replace the battery: (1). Move the function switch to the "OFF" position. (2). Use a screw driver to unfasten the screws on the battery cover and remove the cover. -
Page 13: Symbol/Abbreviation Explanation
YF-509 SYMBOL/ABBREVIATION EXPLANATION : indicates direct current. : indicates alternating current. : indicates ground. : indicates double insulation. : indicates high voltage hazard. PRECAUTIONS Extreme caution should be exercised when taking measurements under the following situations: (1). When measuring high voltages in excess of 20 volts. - Page 14 YF-509 (4). Never use meter test probes (the metal section) and other accessories that are in abnormal condition. This includes damage, bending, breakage, attachment of foreign objects and unobservable internal damage. (5). Avoid contacting exposed metal (conductive) parts, including the tested points, sockets, fasteners and wiring.
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Page 15: Important Recommendations
YF-509 IMPORTANT RECOMMENDATIONS This electrical meter is a high precision instrument. To maintain full accuracy, users must not exceed the previously described specifications regarding operation and storage. Other recommendations include: (1). Do not measure voltages that exceed DC 1000V and AC 750V rms. - Page 16 Solar power meter, Radiation meter, Clamp meter, Multimeter, Phase Rotation test, Digital Insulation teste Our products of high quality are selling well all over the world TENMARS ELECTRONICS CO., LTD 6F, 586, RUI GUANG ROAD, NEIHU, TAIPEI 114, TAIWAN. E-mail: service@tenmars.com http://www.tenmars.com...
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