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- USA
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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
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Description
SMART SENSOR ST1393 EMF Meter Electromagnetic Field EMF Detector Handheld Mini Digital LCD Radiation TesterDual Testing Functions: the EMF meter can accurately detect and measure the electric field radiation and magnetic field emission at the same time. It also can measure the environment temperature( ) Audible and Visual Dual Alarm: if the tested value exceeds the preset alarm value, it will produce sound and light alarm signal immediately Wide Detecting Frequency & Measurement Range: 20Hz~300Hz magnetic field and 20Hz~3500MHz electric field of the
- Dual Testing Functions: the EMF meter can accurately detect and measure the electric field radiation and magnetic field emission at the same time. It also can measure the environment temperature(℃/℉)
- Audible and Visual Dual Alarm: if the tested value exceeds the preset alarm value, it will produce sound and light alarm signal immediately
- Wide Detecting Frequency & Measurement Range: 20Hz~300Hz magnetic field and 20Hz~3500MHz electric field of the working frequency range; 0.01~199.9μT(0.1~1999mG) magnetic field and 0~1999V/m electric Field of measuring range
- User-friendly Design: soft operating buttons for the alarm value setting, MAX/AVG value switching, and units conversion, the mini pocket size EMF tester is just powered by 3pcs AAA batteries, which makes it convenient for using and carrying
- High Precision & Sensitivity: reliable for measuring electric and magnetic field radiation of mobile phones, hairdryers, computers, TV, printer, attendance machine, refrigerator, etc.
Specifications:
- Material: ABS
- Magnetic Field Strength Range: 0.01~199.9μT(0.1~1999mG)
- Electric Field Strength Range: 0~1999V/m
- Magnetic Field Strength Resolution: 0.01μT/0.01mG
- Electric Field Strength Resolution: 1V/m
- Magnetic Field Strength Frequency Range: 20Hz~300Hz
- Electric Field Strength Frequency Range: 20Hz~3500MHz
- Temperature Measurement Range: -10~50℃
- Temperature Resolution: 0.1℃
- Power Supply: 3 * 1.5V AAA battery (NOT included)
- Item Size: 130 * 50 * 27mm / 5.12 * 1.97 * 1.06in
- Item Weight: 85g / 2.99oz
Package included
- 1 x EMF Tester
- 1 x English User Manual
Specifications
| Brand | N/A |
| Color | As Shown |
| Gross Weight | 0.147kg |
| Volume Weight | 0.125kg |
| Package Length | 19.300cm |
| Package Width | 7.800cm |
| Package Height | 3.700cm |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1857 reviews
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Product Reviews
★★★★★ 4
Recoup of purchase price was worth it.
I was refunded the original purchase price of a HP Printer. Minus the cost of the insurance and packing I was only out half the original cost which in the long run is a win.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
I have always purchased Asurion and they have always come through
Asurion really came through for me when I had an issue with my Canon printer. The process was smooth and easy from start to finish. The only small challenge was finding a box big enough to ship the printer, but once I had that, I just attached the label they sent and dropped it off at UPS.
They kept me updated by email every step of the way, and after inspecting the printer, they determined it couldn’t be fixed. The next day, I received a full reimbursement. Excellent communication and great service all around!
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Reviewed in the United States on October 27, 2025
★★★★★ 5
Great Experience!
I have never had to deal with Asurion before and was pleasantly surprised at how well the process went and at no additional cost to me. I shipped my printer on the 14th and it arrived back to me on the 21st, problem resolved. GREAT experience!
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Reviewed in the United States on December 2, 2025
★★★★★ 5
Good insurance to have
Asurion was great. After a few simple questions about what was going on with the unit, they issued a mailing label. Within 3 days of receiving the faulty unit they issued an Amazon gift card for the original purchase price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025
★★★★★ 5
Trustworthy
This protection plan is honest and true. I never purchase any electronics without it, not because I don't trust the product, but because anything can happen and ASURION has always come through when I needed them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
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