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Description
MAJ MT355Digital Loop Impedance & PSC PFC Tester 0~500VDC , Loop Imp L PE 0. 20~9999 (Hi Amp & No Trip) , Freq: 45Hz~65Hz , LCD Display , RE (Loop Method) 0. 20~9999 , PSC PFC Range 0~2kA , Bluetooth 4. 0 , 50V~500VAC , L N Line Res 0. 20~9999 , 200x95x50mm Digital Loop Impedance & PSC PFC Tester Overview The MT355 is a simple to use Earth Loop Impedance tester designed to make the accurate measurements of Earth Loop Impedance and Neutral Loop Impedance (Phase
Digital Loop Impedance & PSC/ PFC Tester 0~500VDC , Loop Imp L-PE 0.20Ω~9999Ω (Hi Amp & No-Trip) , Freq:45Hz~65Hz , LCD Display , RE (Loop Method) 0.20Ω~9999Ω , PSC/PFC Range 0~2kA , Bluetooth 4.0 , 50V~500VAC , L-N Line Res 0.20Ω~9999Ω , 200x95x50mm
Digital Loop Impedance & PSC/ PFC Tester
Overview
The MT355 is a simple to use Earth Loop Impedance tester designed to make the accurate measurements of Earth Loop Impedance and Neutral Loop Impedance (Phase Neutral Impedance) quick and easy. The MT355 performs two types of tests, the first being No-Trip technology to avoid tripping of RCD’s (ELCB’s) whilst performing the Loop Impedance Tests. The second test is the “TRIP” test, where high current <15A is used for the Loop Impedance test where the RCD (ELCB) must be bypassed. This is by far the largest, fastest and most accurate test available. The MT355 will automatically display the wiring status as well as test results for both Loop Impedance and Prospective Short Circuit current (PSC)/ Prospective Fault Current (PFC) for both NO-TRIP and TRIP tests. Earth Resistance is only activated in the L-PE “NO-TRIP” mode, and uses the Loop method to measure the RE. The instrument can automatically differentiate between AC and DC voltages up to 500V, if AC voltage is detected, the display indicates the AC voltage and mains frequency. The MT355 has a Phase Rotation Test, where the display indicates “123” for correct phase sequence and “321” for reversed phase sequence. With the Bluetooth function, users can transmit data to the Android or iOS mobile App for viewing, organising, and sharing recordings. The meter has a double moulded rubber case designed for heavy duty use.
Features
- Two types of Earth Loop Impedance tests including Non-Trip & Trip Hi-Amp
- Automatically display the wiring status as well as test results
- Smart wiring indicators that visual alerts for reversed wiring and socket wiring status
- Simultaneous display of loop impedance, PSC/PFC and RE
- Automatic AC/DC Voltage Detection up to 500V
- Phase rotation test ensures correct phase sequence in three-phase systems
- Auto lock-out feature prevents damage from overheating
- Bluetooth allows for seamless data transfer and monitoring
- Double moulded rubber housing for protection in harsh environments
Specifications
| Function | Range |
| Loop Impedance L-PE (Hi Amp & No-Trip) | 0.20Ω – 9999Ω |
| RE (Loop Method) | 0.20Ω – 9999Ω |
| L-N Resistance | 0.20Ω – 9999Ω |
| PSC/PFC Range | 0 – 2kA |
| AC Voltage | 50V – 500V |
| DC Voltage | 1V – 500V |
| Frequency | 45Hz – 65Hz |
| Bluetooth | 4.0 |
| Display | LCD Display |
| Batteries | 6 x AA |
| Dimensions | 200 x 95 x 50mm |
| Weight | 700g |
Downloads
Additional Information
| Device | Tester |
| Type | 0~500VDC |
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
4.2 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Great Replacement Cabin Air Filters for my 2008 Honda Civic
Size: 2Pcs, Size: 2Pcs
Item Reviewed: CF10134 Cabin Air Filter with Activated Carbon Replacement for CP134, Fit for Honda Accord/Civic/Odyssey/CR-V and Acura MDX/TSX/TLX/RDX/Ridgeline (2 pack)
ℹ️ Summary
I picked these up because I needed some replacement cabin air filters for my 2008 Honda Civic. These seem like decent quality and they were a perfect fit in my car. For $15 at time of order for two air filters it was a solid deal that I can glad recommend to others. I hate writing short reviews, but there’s not much else to say about these.
Here is how I rate items:
5 ⭐️ = Completely exceeds expectations.
4 ⭐️ = Works well with minor concerns.
3 ⭐️ = Does the job, nothing special.
2 ⭐️ = Some things work, but lots of issues.
1 ⭐️ = Didn’t work well, not worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
★★★★★ 4
Good fit for Acura MDX
Size: 8.8" x 9.3" x 1.1"
This is an air cabin filter that will fit many cars, and in my case a 2019 MDX. Since this kind of filter is not doing anything critical like keeping dirt out of an engine, I shop around for non-OEM filters for something that strikes a balance between price versus performance. This filter just filters out dust in a car cabin, and when we’re not in our cars, we don’t have the benefit of an air filter when we are walking around outdoors. At a fraction of the price of an Acura filter, this filter seems to strike that balance. The filter media looks sturdy and is embedded with charcoal to help absorb odors.
Installation is very straightforward in my MDX, and similar in most cars. There is a compartment door inside the glovebox that first must be removed before changing the filter. Pay attention to the direction flow arrow that shows which way the filter should be installed.
Overall I am satisfied with this filter. It is inexpensive, fits perfectly, and seems to do the job just fine. It is definitely worth trying if you are trying to save money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 12, 2024
★★★★★ 5
These filters do the job
Size: 2Pcs
Fits great in my '08 Accord LX and my '19 Accord Sport 2.0t. They filter air well and are easy to install like any cabin air filter in a Honda. I am pleased. Good value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2025
★★★★★ 5
Fit my 2014 Odyssey TE
Size: 8.8" x 9.3" x 1.1"
Comes with printed instructions for those who haven't changed it before. Here is the specific use case from my van.
On my 2014 TE its easy to access behind the glove box, open to usual full open then just push the left and right sides in to allow the glove box to come fully out. It may pop off of the mounts, don't panic it snaps right back on. Then look for the little rectangular panel with two small levers on either side. on the black plastic under the dash that you can now see and access. Press the levers and pull towards you, doing a bit of a wiggle to get it out. Its tight, but it will come out with having to break it. Don't gorilla hands it, it will break.
There is a directional arrow on the filter, which you have to remove from the wrapper before installing. Yes, someone *will* forget that. Reassembly the reverse of removal. Check that video sharing site online if you need visual instructions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 27, 2024
★★★★★ 5
Still Going Strong
It has been one year with no issues. 1999 Toyota RAV4, we live in the Northwest from snow to rain This is a honest seller that I would recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
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