Tenma 72-6947 Скачать руководство пользователя | Manualshive

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AUDIO IMPEDANCE TESTER

INSTRUCTION MANUAL

AUDIO IMPEDANCE TESTER

CAT.III 100V

OFF

72-6947

20

W

200

W

COM

TEST ON / OFF

2000

W

HOLD

-+

DATA HOLD

MODEL 72-6947

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Содержание 72-6947

Страница 1: ...AUDIO IMPEDANCE TESTER INSTRUCTION MANUAL AUDIO IMPEDANCE TESTER CAT III 100V OFF 72 6947 20W 200W COM TEST ON OFF 2000W HOLD DATA HOLD MODEL 72 6947 Downloaded from Arrow com ...

Страница 2: ...0V OFF 72 6947 20W 200W COM TEST ON OFF 2000W HOLD DATA HOLD 1 Test Lead Connection 2 LCD Display 3 TEST ON OFF switch 4 DATA HOLD button 5 Rotary switch for range selection 1 5 4 3 2 Downloaded from Arrow com Downloaded from Arrow com ...

Страница 3: ...llation CAT III 100V 3 Pollution Degree 2 4 Altitude up to 2000 Meter 5 Relative Humidity 80 Max 6 Ambient Temperature 0 C 40 C Observe the International Electrical Symbols listed below Meter is protected throughout by double insulation or reinforced insulation Warning Risk of electric shock Caution Refer to this manual before using the meter Note Do not use on Live system 1 1 Safety Notes Downloa...

Страница 4: ...ial sound systems Convenient portable battery operation Low battery indication Data hold function Timer function provides continuous hands free operation The timer will last 3 5 minutes after presssing TEST ON OFF button 2 2 Features Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 5: ...eries Dimensions 8 H x 31 2 W x 23 16 D Included Accessories Test leads instruction manual carry case Low battery indication symbol appears on the display Data hold indication HOLD symbol appears on the display Display LCD 3 1 2 digit 2000 counts Weight Approx 1 2 lbs battery included 3 Specifications Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arr...

Страница 6: ...l Speaker 4 Individual speakers are typically between 2W and 16W For these types the 20W setting should be used Some special application speakers may be of much higher impedance Speakers of up to 2KW 2000W may be measured using the 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 s...

Страница 7: ...is meter to a speaker arrangement such as this will provide the overall impedance of the system Using the formula shown below you can calculate the wattage Simply put when connected to a distributed system take the voltage of the system normally 70 7V or 25 2V squared divided by the impedance displayed on the meter Your answer will be the total system wattage This total wattage must not exceed the...

Страница 8: ...ically 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 4 Replace with six AA type alkaline batteries Do not mix with other battery types or mix old and new batteries 5 Replace battery door a...

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