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General specifications: | |||
Max. V between terminals & earth: | 1000V DC or 750V rms AC | ||
Operating temperature: | 0 to 40 Celsius Degree (32 Fahrenheit to 104 Fahrenheit) | ||
Storage temperature: | -10 to 50 Celsius Degree (10 Fahrenheit to 122 Fahrenheit) | ||
Operating altitude: | Max. 2000 meters (7000 ft.) | ||
Max. diameter for conductor: | Diameter 26mm | ||
Max. displayed value: | 4000 digits | ||
Auto polarity indication: | "-" for negative polarity. | ||
Over-range indication: | "0L" or "-0L" | ||
Converter rate: | 3 times/sec; Bar graph: 30 times/sec | ||
Auto power off time: | 15 minute | ||
Power supply: | 3 * 1.5V AAA battery (not included) | ||
Multimeter size: | 20.8 * 7.8 * 3.5cm / 8.2 * 3.1 * 1.4in | ||
Multimeter weight: | 238g / 8.4oz | ||
Package size: | 23 * 10.5 * 6cm / 9.1 * 4.1 * 2.4in | ||
Package weight: | 469g / 16.5oz | ||
Measurement specifications (accuracy): | |||
AC Current | 40A/400A | ±2.0% | |
DC Current | 40A/400A | ±2.0% | |
DC Voltage | 400mV | ±1.0% | |
4V/40V/400V | ±0.7% | ||
1000V | ±0.8% | ||
AC Voltage | 4V/40V/400V | ±0.8% | |
750V | ±1.0% | ||
Frequency | By A range (current clamp) | 10Hz/1kHz/>1kHz | ±1.5% |
By ACV range | 10Hz/1kHz/10kHz | ±1.5% | |
>10kHz | Take it only as reference | ||
By Hz/DUTY range | 9.999Hz/99.99Hz/999.9Hz/9.999kHz/99.99kHz/999.9kHz/9.999MHz | ±0.5% | |
Resistance | 400Ω/4kΩ/40kΩ/400kΩ/4MΩ | ±0.8% | |
40MΩ | ±1.2% | ||
Capacitance | 40nF/400nF/4uF/40uF/400uF/4000uF | ±4.0% |
Questions & Answers
I have never tested what the maximum anything is on this meter. However the selector dial shows 400A and the manual says 400A AC or DC. That is with the clamp only. With the probes it is 10A DC
By James on January 31, 2018
It seemed to work but I don't know about the accruacy. I need to run some test before saying it is accurate.
By John Celek on July 8, 2017
Yes it does. Accuracy appears to be within the manufacturer's specs of +/- 2%. I checked it on a live load running 102 Amps DC. Just turn it on, follow the instructions to set it for DC, zero it out if necessary, and put the clamp around one wire. It takes AAA batteries to operate.
By Sam Phillips on July 8, 2017
Discussions
Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at http://www.tomtop.com/contacts
open this forum in full pageAverage Rating:
4.3based on 45 Customer Reviews
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Write a Customer ReviewBy Albert
March 2, 2020
By Michael
February 29, 2020
Delivery on time, but although it puts a final price, it comes loaded with another 2.99 euros for handling or something. Anyway, compared to the price and performance of similar clamps and sold in DIY stores, it works very well. If recommended because it is an essential tool for those who have to measure the direct current with high amperage (400A is enough for me).
By Consuelo
February 27, 2020
I got the new mast ms2108a that I like, and it also met my needs. Everything said above said that it will take me some time to get here, but I know it is transported by sea, I use it for houses, parents All the items in my mother, wife, and my pet, they use it as my birthday gift, thank you, in fact, I really like it, I took a meter video and posted it on YouTube and Facebook. I will give you 5 stars all the way, and they give me bad reviews online. In this product, but you can't combine all the ways of listening online, thanks to good customer service for everyone. Thanks Brian.
By Maurice
February 27, 2020
By Karen
February 26, 2020
By James
February 26, 2020
I have been in the electrical and electronic industry for over 30 years. Let me go out with myself as I learned in a similar Simpson 260m. If you know what it is now, then you know that I am there. When I bought this instrument, I needed an amplifier probe for a three-phase high current motor and a DC power amplifier probe. I compared the readings with the Fluke amplifier probe and the results were the same. I like the ability of Min MAX to provide a current load to our motors with high precision. All I hope is a little faster. But my Fluke 115 has about the same speed and not O'scope. I use Fluke for voltage and resistance in most cases and I use it for amplifier verification, but when I use it for voltage, it works fine. Keep in mind that, in terms of speed, I am too demanding, because I learned from programming with a microprocessor using an LCD screen that 90% of the screens take at least 1/4 of a second to display, and that when you run the code to measure and display it, just show VPP. RMS and ... You have to slow down. Just like Fluke I said before.
By Edna
February 24, 2020
Fast shipping, correct price and expected quality. overall happy with the purchase. The only downside is that it does not bring the manual and although it is simple to use, some indications to know particularities would not hurt. The box came entirely in Eastern typography, so you can't read anything
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February 24, 2020
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February 23, 2020
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February 18, 2020
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