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Description
MAJ MT720400A Compact AC Clamp Meter 400A Compact AC Clamp Meter Overview The MT720 is a 400A AC TRMS Clamp Meter, with indication on a large 4000 count backlit LCD display, providing fast sampling time with high accuracy. The meter measures 1000V AC DC, temperature, frequency, capacitance and resistance measurements, plus 100ms Inrush current and Peak Voltage value. The VFD function allows the user to measure stable voltage in high frequency applications of
400A Compact AC Clamp Meter
400A Compact AC Clamp Meter
Overview
The MT720 is a 400A AC TRMS Clamp Meter, with indication on a large 4000 count backlit LCD display, providing fast sampling time with high accuracy. The meter measures 1000V AC/DC, temperature, frequency, capacitance and resistance measurements, plus 100ms Inrush current and Peak Voltage value. The VFD function allows the user to measure stable voltage in high frequency applications of Variable Frequency Drives. Added features include Relative mode for Capacitance Zero and DCV, ACV and ACA offset adjustment, Non-Contact voltage detection, Data hold function and a built-in flashlight for dimly lit areas. Housed in a modern double moulded rubber housing.
Features
- 4000 count backlit LCD display
- Ø30mm Cable Clamp size
- Measurement of DC voltage and AC voltage up to 1000V
- Capacitance to 100mF
- Temperature measurement from -20â°C to 1000â°C
- INRUSH Current Measurements
- VFD – Variable Frequency Drive voltage value
- NCV – Non-Contact Voltage Detector
- Built-In Flashlight
- Continuity buzzer and Diode Test
- Peak Mode and Data Hold function
- Auto Power Off
Accessories:
- Soft Carrying Case
- HDT1282 Comfigrip Test Set
- MT660 Wire Probe (-20° to 250°C)
- MT802 K-Type Adaptor
- 1.5V AAA Batteries
- Instruction Manual
Specifications
| Jaw size |
30mm |
|---|---|
| AC Current |
400A |
| AC current resolution |
10mA |
| AC Current accuracy |
±(2.5% +8) |
| DC Voltage |
1000V |
| DC Voltage resolution |
1mV |
| DC Voltage accuracy |
±(1.0% +3) |
| AC Voltage |
1000V |
| AC Voltage resolution |
1mV |
| AC voltage accuracy |
±(1.2% +5) |
| Resistance |
40MΩ |
| Resistance resolution |
0.1Ω |
| Resistance accuracy |
±(1.5% +2) |
| Frequency |
10Hz – 100kHz |
| Frequency resolution |
1Hz |
| Frequency accuracy |
±(1.0% +5) |
| Capacitance |
99.99mF |
| Capacitance resolution |
0.01nF |
| Capacitance accuracy |
±(3.0% +5) |
| Temperature |
-20 to 1000°C |
| Temperature resolution |
0.1°C |
| Temperature accuracy |
±(3.0% +3) |
| Duty Cycle |
20 to 80% |
| Duty Cycle resolution |
0.1% |
| Duty Cycle accuracy |
±(1.2% +10) |
| Continuity |
Yes |
| Diode Test |
Yes |
| True RMS Measurements |
ACV, ACA |
| AC Bandwidth |
2KHz |
| Digital Display |
4000 |
| Non-Contact Voltage (NCV) |
Yes |
| Over-range indication |
Yes |
| Input Impedance |
˃10MΩ DCV & ˃10MΩ VAC |
| Min Max |
Yes |
| Variable Frequency Drive |
Yes |
| Inrush Current |
100mS |
| Peak hold |
Yes |
| Data Hold |
Yes |
| Back Light |
Yes |
| Flash Light |
Yes |
| Enclosure |
Double Injection moulding |
| Low battery indication |
Yes |
| Power source |
3 x LR03 (AAA) |
| Dimensions |
220 x 80 x 39mm |
| Weight |
305g |
| Safety Specs |
IEC 61010-1 CATIII 600V |
Downloads
Additional Information
| Device | Clamp Meter |
| Type | 400A | Compact | AC |
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 8 reviews
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Product Reviews
★★★★★ 4
Not sure yet?
Only have had these for 24 hours but also purchased a couple other chew toys from Amazon as well and all were delivered at the same time. Point being that my #60 silver lab was trading off between all of them and after 2 hours only you can see little shards of plastic sticking up from these chews. Not sure how long these will last before having to throw them away but they are pretty nice and feel heavy and durable. So many of these companies claim they are “indestructible” but all 4 I purchased have little plastic pieces sticking up already. Even my #14 Shih Tzu enjoyed trying to chew these and it kept her busy even though they are for larger dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
★★★★★ 5
Golden approved
My golden retriever’s really enjoy these chew toys. They are pretty durable and last awhile. They are hard plastic but they do get rough edges after they’ve been chewed in for awhile
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Perfect for chewy doggos
My dogs loved them! Keeps them entertained for a few mins. You can also fill with PB and freeze. Or yogurt and freeze. Great for the doggos
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Amazing!!
The dogs love them!!! They have not been able to destroy them at all!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Mixed Results: SIHRMIU Dog Chew Toys Offered Stimulation, Limited Interest from Aggressive Chewers
I recently purchased the SIHRMIU 2 Pack Dog Chew Toys for Aggressive Chewers with hopes of providing my energetic dogs with both entertainment and stimulation. While these toys boasted durability and were designed to alleviate boredom, my experience with them yielded mixed results.
Upon receiving the chew toys, I appreciated their sturdy construction and the promise of durability, which was essential given my dogs' penchant for aggressive chewing. The variety of textures and shapes seemed promising, offering potential for engaging play sessions that could keep my pets occupied and mentally stimulated.
Initially, my dogs showed some interest in the toys, eagerly sniffing and exploring them. They seemed intrigued by the different textures and shapes, and I was hopeful that these toys would provide the entertainment they needed.
However, as my dogs began to interact more with the toys, it became evident that their interest was short-lived. While they engaged with the toys for brief periods, they quickly lost interest and returned to their usual chewing favorites. Despite their designation for aggressive chewers, the toys did not seem to withstand the intense chewing of my pets as well as expected. Within a short time, I noticed signs of wear and tear, with pieces starting to break off.
While the SIHRMIU dog chew toys offered some stimulation and diversion for my dogs, they ultimately failed to hold their interest or stand up to their aggressive chewing habits. While they may be suitable for dogs with less voracious chewing tendencies, they were not a perfect fit for my pets.
In conclusion, while these chew toys have potential and may work well for some dogs, they fell short of expectations for my aggressive chewers. I appreciate the effort put into their design and durability, but unfortunately, they did not meet the needs of my furry companions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2024
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