allsun Digital Insulation Resistance Meter, Earth Audio Impedance Tester, Handheld Megohmmeter, LCD Backlight, Yellow (EM480B)
- Measuring The Essential Informations: Digital Insulation resistance tester has data hold, auto power off feature. Protection circuit provided, avoid damage caused by discharge voltage. True measurement of speak systems actual impedance at 1kHz.
- Large LCD Display& Timer Function: Digital Ohmmeter with backlight, max display "1999". It has full function protection, anti high voltage circuit design. Convenient protable battery operation. Low battery indication. Timer function for easier operation. The timer can last about 30 seconds minutes after users press TEST button.
- Wide Measurement Range: The Digital Megohmmeter has high stability and reliability,test voltage among 250V, 500V and 1000V. Measure Range up to 2000MΩ 1000V with Accuracy of ±(2% of reading +2 digits).
- Easy To Use: The Megohmmeter tests voltage can be changed by the rotary switch. LED used as normally working indicator under high voltage condition. High ability to withstand high load. Unit symbol display, easy to use.
- Widely Application:Handheld megohmmeter includes carrying case and belt. Most suitable for the needs of insulation resistance check, such as measuring the impedance of loud speak,a set of soundssystem,home theater and commercial audio system.Power Supply is 9V DC (6 x 1.5V AA battery) (Exclude).
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Detail
GENERAL INSTRUCTION
EM408B is a precise measurement instrument that specially applied in measuring audio impedance.Applied in many wide application, such as measuring the impedance of loud speaker,a set of soundssystem,home theater and commercial audio system.
Features
1.True measurement of speaker systems actual impedance at 1kHz
2.Three test ranges (20Ω/200Ω/2000Ω)allow testing of home theater and commercial sound systems.
3.Convenient protable battery operation.
4.Low battery indication
5.Data hold function
6.Timer function for easier operation. The timer can last about 30 seconds minutes after users press TEST button
7.Auto power off: after about 15 minutes of nonz- use
Range:20Ω/200Ω/2000Ω
Resolution: 10mΩ/100mΩ/1Ω
Accuracy: ± (2%+2) (or ± 0.1Ω)
Test Frequency: 1kHz
EM480B Audio Impedance Tester Specification
Set Includes
*Audio Impedance Tester x 1;
*Red/Black test lead x 1;
*Belt x 1;
*Alligator clamp X 1;
*9V DC(6X1.5V AA battery);
*English User Manual x 1
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