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Summary of Contents for Tenma 72-6947
- Page 1 AUDIO IMPEDANCE TESTER INSTRUCTION MANUAL HOLD 72-6947 AUDIO IMPEDANCE TESTER DATA HOLD TEST ON / OFF 200W 2000W CAT.III 100V MODEL 72-6947 Arrow.com. Downloaded from...
- Page 2 HOLD 72-6947 AUDIO IMPEDANCE TESTER DATA HOLD TEST ON / OFF 200W 2000W CAT.III 100V Test Lead Connection LCD Display (3) TEST ON/OFF switch (4) DATA HOLD button (5) Rotary switch for range selection Arrow.com. Arrow.com. Downloaded from Downloaded from...
- Page 3 1. Safety Notes • WARNING! Read the following safety information carefully before attempting to operate or service the meter. • Use the meter only as specified in this manual: otherwise the protection provided by the meter may be impaired. • Rated environmental conditions : (1).
- Page 4 2. Features • True measurement of speaker systems actual impedance at 1kHz. • Three test ranges (20W /200W /2000W ) allow testing of home theater and commercial sound systems. • Convenient portable battery operation. • Low battery indication. • Data hold function. •...
- Page 5 3. Specifications • Measurement Range: 20W /200W /2000W • Test frequency: 1kHz • Accuracy: 20W : ± 2%rdg ± 2dgt or ± 0.1W, which is greater. 200W /2000W : ± 2%rdg ± 2dgt • Protection: Meets IEC-1010(EN61010),Installation CAT. III 100V •...
- Page 6 200W or 2000W setting. These higher settings also allow measurement of speakers when connected to impedance matching transformers or volume controls. In these cases, the speaker should be connected to the meter as shown. HOLD 72-6947 AUDIO IMPEDANCE TESTER DATA HOLD TEST ON / OFF 200W 2000W CAT.III 100V...
- Page 7 Connecting this meter to a speaker arrangement such as this will provide the overall impedance of the system. (10 W) HOLD 72-6947 AUDIO IMPEDANCE TESTER (50 W) DATA HOLD TEST ON / OFF...
- Page 8 Periodically wipe the case with a damp cloth and detergent : do not use abrasives or solvents. If the meter is not to be used for periods of longer than 60 days, remove the batteries and store them separately. TENMA TEST EQUIPMENT 900 SOUTH POINEER BLVD. SPRINGBORO, OHIO 45066 www.tenma.com Arrow.com.
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