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TOA ZM-104A  
รหัส : ZM-104A
ยี่ห้อ : TOA
รุ่น : ZM-104A
ราคาปกติ :  12,640.00      
ราคาพิเศษ :  10,750.00
รายละเอียดย่อ :
TOA เครื่องวัดอิมพีแดน เครื่องวัดระบบเสียงตามสาย Impedance Meter
รายละเอียดทั้งหมด :

TOA เครื่องวัดอิมพีแดน เครื่องวัดระบบเสียงตามสาย Impedance Meter

 TOA ZM-104A Impedance Meter 


The TOA Impedance Meter, ZM-104A, has been designed to measure impedances in the speaker lines in sound systems. It is fully portable and is operated from internal batteries. This handy meter provides accurate direct readings in the manner of a circuit meter, simply by disconnecting the speaker line from the amplifier and connecting it to the measuring leads. 

The range selector switch allows selection of three ranges, from five to one hundred thousand Ohm. Each time the range selector switch is transferred, zero Ohm adjustment is necessary before operation. 

Its accuracy is less than plus or minus ten percent on all ranges. The ZM-104A requires one battery change only after more than 30 hours of continuous use. 

The ZM-104A is supplied with a convenient Impedance Output Chart. 

The entire unit is sturdy, light and easy to carry. It weighs a mere 2 pounds. 

Features: 

  • Measures impedance of speaker lines up to 100k ohms
  • Batteries: four (AA)
  • Zero adjustment for accuracy on all ranges
  • Easy to read meter calibrates directly in ohms
  • Includes carrying case, test leads and impedance to power reference chart

 

Specification
Power Source R6 × 4 (1.5 V DC × 4)
Current Consumption 39 mA
Reading Direct reading meter, unit: Ω
Measurement Range × 1 range: 5 Ω - 1 kΩ
× 10 range: 50 Ω - 10 kΩ
× 100 range: 500 Ω - 100 kΩ
Accuracy ±10 %
Oscillation Frequency 1 kHz, ±10 %
Battery Life When Continuously Used × 1 range: 30 h
× 10 range and × 100 range: 60 h
Operating Temperature -5 ℃ to +40 ℃ (23 ゜F to 104 ゜F)
Dimensions 120 (W) × 220 (H) × 63 (D) mm (4.72" × 8.66" × 2.48") (carrying case)
110 (W) × 180 (H) × 58 (D) mm (4.33" × 7.09" × 2.28") (unit only)
Finish ABS resin, black
Weight 700 g (1.54 lb) (including carring case, without batteries)
Accessory Test leads …1 set
Measurement Category CAT I

 


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