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Quick Details

  • Place of Origin: Chongqing, China (Mainland)
  • Brand Name: Blue Jay
  • Model Number: MTX100
  • Display Type: Digital Only
  • Measuring Range: DC0-100V
  • Accuracy Class: 0.2
  • Operating Temperature: -10~65
  • Dimensions: 79*43*25mm

Packaging & Delivery

Packaging Details Export carton
Delivery Time 10 working days
Product Description


MTX100 is a new-type voltage meter which can measure voltage, current, power, charging capacity and time at the same time.The voltage meter adopts two groups of LED digital tubes to display the data. The meter can switch the display among different physical quantities.


This meter is ideal for monitoring the output voltage and current, as well as the battery charge and discharge applications.


For this model, the default parameters:

-Max. input voltage : 10V~75VDC

-Max. output current each channel: 0~20A 

-Total 4 digit 7-segment LED display;

-Sampling rate: 5 times/sec 

- Resolution: 0.01V, 0.01A, 0.01W, 0.01AH, 0.01H




1, Dual display for voltage and current, and available for switching display power, charge capacity and time.

2, Flexible calibration function, you can calibrate the voltage and current value by yourself.

3, 4-bit LED digital tube, in which 3-bit for measuring and one-bit for the unit.

4, Convenient and easy to carry, easy to operate.


Technical Specification:


Max. input voltage : 10V~75VDC (two wire)

                                 0V~90VDC (three wire, with12~60VDC AUX power);

Max. output current each channel : 0~20A 

Total 4 digit 7-segment LED display;

Sampling rate 5 times/sec;

Accuracy: 0.01V, 0.01A, 0.01W, 0.01AH, 0.01H;

Mounting: panel mount, Indoor;


Wiring mode


Two-wire wiring diagram and methods

On the back of the meter there are four terminals on the right, they are “IN-”, “+” , “Vext” and “OUT-”, the”+”is the public terminal of “IN +” and “OUT +” , the “Vext” on the left side of the meter, it is the positive side of the three-wire system.

This meter has two-wire and three-wire dual input methods. Two wire system can connect the meter to the circuit directly, three-wire system requires an external power supply for the 

The positive side of the power and load are connected to the “+”, the negative side of the power is connected to the “IN-”, the negative side of the load is connected to the “OUT-”, pay attention to the positive and negative when wiring.


Three-wire wiring diagram and methods


Open the back cover, as shown above, disconnecting the short circuit with a soldering iron.External DC12V~60V power supply are connected to "Vext" and "OUT-". The positive side of the external power supply is connected to the "Vext", the negative side is connected to the "OUT-".The positive side of the load and power should be connected to the “+”,and the negative side of the power supply should be connected to the “IN-”.


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