Audio Impedance Tester EM480B, 20/200/2000 Ohm
Audio Impedance Tester EM480B, 20/200/2000 Ohm Free standard shipping to supported destinations. See the shipping policy for preparation and transit estimates.
Need help choosing? Tell us what you need to measure.
Shipping & returns
Shipping & returns
Free standard shipping is available to supported destinations. Delivery time includes order preparation and transit and varies by destination. See our shipping policy for current delivery estimates and availability.
See our return policy for return conditions. For an order-specific delivery question, contact Mcooh.
Choosing the right instrument?
Tell us your measurement range, material or target, and operating conditions.
Description
Description
Speaker-system impedance at 1kHz
The EM480B audio impedance tester measures speaker-system impedance at a 1kHz test frequency. Three selectable ranges cover 20, 200 and 2000 Ohm for home-audio and public-address speaker circuits.
Measurement specifications
| Model | EM480B |
|---|---|
| Impedance ranges | 20 Ohm / 200 Ohm / 2000 Ohm |
| Resolution | 10 mOhm / 100 mOhm / 1 Ohm |
| Accuracy | ±(2% of reading + 2 digits) |
| Test frequency | 1kHz |
| Power | 6 x 1.5V AA batteries |
| Dimensions | 168 x 110 x 62mm |
| Weight | 485 g, including batteries |
Controls and accessories
Data hold keeps a reading on screen. The tester also provides low-battery indication, a timed test function and automatic power-off. Disconnect the speaker circuit from its power source before testing and follow the operating instructions supplied with the instrument.
The package contains the tester, test leads, belt, carry bag and user manual. Batteries are not included.
