EM480B Audio Impedance Tester Test Ranges 20/200/2000 Digital Resistance Meter



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

For insulation resistance testing, the test voltage can be changed between 250V, 500V and 1000V. It can also be used to test ACV, resistance less than 200Ω, and continuity testing.
Commonly used for testing transformers, motors, cables, switches, electrical appliances and insulation resistance testing.


Range: 20Ω / 200Ω / 2000Ω
Resolution: 10mΩ / 100mΩ / 1Ω
Accuracy: ± (2%+2) (or ± 0.1Ω)
Test Frequency: 1kHz
Display: LCD 3 1/2 digits
Power supply: 9V DC (6 x 1.5V AA battery) (Not provided)
Size: 168x110xx62mm
Weight : about 600g

Package includes:Impedance Tester*1; Test Lead*1 pair; Belt*1; Storage Bag*1; English Manual

Free Shipping

Under normal circumstances we offer free shipping on all orders, you will see the free shipping option in your cart at checkout. There is no choice of carrier for free shipping, but typically we will ship your order will likely ship using either USPS or FedEx. Full Shipping Policy

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). Full Returns Policy

When Will My Order Ship?

For Standard Shipping, we aim to pack and ship out your order within 3 business days. During special periods, such as heavy order processing or local inventory shortages that require deployment, please expect it to take an additional day or two for processing.
We ship five days a week, Monday through Friday. Sometimes our mail pickup comes in early afternoon, so tracking for orders shipped later that day may not update until the following business day.
You will receive a shipment confirmation with tracking information via email when your order has shipped. Once you receive this email, we cannot change or cancel your order.

Can I Change The Shipping Address On My Order?

Please contact us immediately via email if you realize that you gave us the wrong shipping address — if it hasn't shipped yet, we might be able to correct it before it goes out the door.
If your order ships to the address provided and is returned to us as undeliverable, then you are responsible for paying the cost of shipping again to resend it to you. If you decide you do not want your order reshipped, we'll refund you for the products less the original shipping charges, once your order returns to our warehouse. We'll reach out to you to coordinate your options before re-shipping.
If your order ships to an incorrect address provided at the time the order is placed and is not retrievable, we are not responsible and cannot offer reimbursement.

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EM480B Audio Impedance Tester Test Ranges 20/200/2000 Digital Resistance Meter
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