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Clamp Meter

3.81 (53)
Maximum Measuring Conductor Diameter (mm)
(Possible) 25
Over-range Display
Clamp Aperture (mm)
Materials (cover)
Maximum Display
Alternating Current (A)
Sample Rate
Resolution Capability
AC voltage 1V_x000D _ DC voltage 1V Alternating current(AC) 10mA(20A)/100mA(200A)/1A(400A) Resistance 1ohm(2000ohm)/100ohm(200kohm)
Dimensions (Width W x Height H x Depth D) (mm)
3 / 1 digit LCD
DC Voltage (V)
Resistance (omega)
AC Voltage (V)
AC voltage +/- (1.2% + 3) _x000D _ DC voltage +/-(1.0%+2) Alternating current(AC) +/-(3.0%+5)(20A)/+/-(2.5%+5)(200A)/+/-(2.5%+5)(400A) Resistance +/-(1.2% + 2)(2000ohm)/+/-(1.2% + 2) (200kohm)
Battery CR2032
Operating Temperature Range (deg C)
Weight (g)
Instruction manual, test lead rod, batteries for test
...see all
Product Options
Ship pack of Mfr.# Item.# Sales Price Availability Qty.
1PC 1 MR-306A 37673255 35.16 SGD
In stock
Customer Reviews
5 star 19
4 star 17
3 star 8
2 star 6
1 star 3
Review Rating: 3.81
53 Customer Reviews
The reviews are automatic translation.
Inspection and maintenance
From Japan
On 2016-10-20 00:41:48
It is easy to use even the size of size, ease of use is not so good. Supplied battery is not available.
This review is about item#37673255.
At the time of maintenance of the machine
From Japan
On 2016-08-18 15:01:15
Cheap even in compact convenient because there are functions of the
This review is about item#37673255.
Simple inspection
From Japan
On 2016-06-14 15:52:49
Price in a very, we are satisfied.
This review is about item#37673255.
Maintenance of machinery
From Japan
On 2016-06-07 14:37:37
Wondering for the small than we had, good operability at the intricate place wiring.
This review is about item#37673255.
Display for current regulation
From Japan
On 2016-03-23 14:37:17
Because of the clamp, we were able to measure and adjust without the need current value of special wiring. Price is also cheap, we are satisfied.
This review is about item#37673255.
Electrical construction
From Japan
On 2016-01-14 16:14:12
Since the terminal code is too hard difficult to work. It is nice a little more flexible code, but will settle for a price.
This review is about item#37673255.
From Japan
On 2016-01-13 17:46:20
You can not use other than the current measured by the clamp. There is a small number of display digits. There is no deviation to the clamp current value, the error is within specification. Better to other than the clamp current measurement (low voltage, etc.) measurement, it is safer is better not to buy. The decimal point, you can use those who do not need.
This review is about item#37673255.
Use in inspection and repair, etc.
From Japan
On 2015-09-20 19:42:32
In power off forgotten of you have failed in the consumption of the battery.
This review is about item#37673255.
Voluntary inspection of the electrical equipment of the holding facility and designated management facility
From Japan
On 2015-07-05 17:18:20
Easy to use, compact, it is Iukotonashi. Price also excellent cheap, we are very satisfied. Because the testers are currently using was approaching the end of its life, it was able to stumble across a good commodity. Thank you Mr. Monotarou. Future, insulation, electrical leakage tester of inexpensive and compact size is also happy if you are able to product sales.
This review is about item#37673255.
Current value measurement
From Japan
On 2014-12-16 20:25:02
Some feel the weight of the iron core of the clamp portion, but it was the weight there is no hindrance to portability. Measurements than those of well-known manufacturers had been using until now has been put out a generous amount of current value. It was generous also be considered from the rated power consumption of connected equipment. I think that it is acceptable error the last minute of the range. In other expressions, is the level that has a sufficient practicality If you do not ask for severe current value. However, even though it has already been sold as a clamp meter, there is a problem as a design because in order to use as a clamp meter can not be in the measurement mode if not rotate the rotary switch from the OFF position up to 6, 7 or destination I think. Since the clamp meter of you, I want you prepared as easy to use as a clamp meter. Us might only, but the function of the tester to the clamp meter does not have most demand. Compact focuses on the required function, and cheap it is I think the real satisfaction is obtained.
This review is about item#37673255.

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