RICHMETERS Handheld Digital Multimeter RM404B Mini Multimeter

RICHMETERS Handheld Digital Multimeter RM404B Mini Multimeter

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Product Code: E4765
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Product Description

  • Package Weight : 193g

  • Package Width : 14cm

  • Package Height : 3.5cm

  • Package Length: 19 cm

This multimeter is characterized by stable function and high reliability, with the features of overload protection and LCD display for clear reading, is an ideal tools for lab, factory, radio fans and family use.


Measures AC/DC voltage , resistance, frequency, temperature and diode test, etc.

4000 counts digital LCD display offers large test rang as well as clear readings.

Back light LCD and flashlight for easy operation in dimly lit areas.

Easy to operate, accurate readings, low power comsumption.

Automatic power off function, save energy for longer service life.

With a bracket, you can erect an angle to facilitate reading.

Compact size make it lightweight and portable, convenient to carry.


Model No.: RM404B

DC Voltage Range: 40mV/400mV/4V/40V/400V/600V

AC Voltage Range: 40mV/400mV/4V/40V/400V/600V

DC Current Range: 40mA/400mA/4A/10A 

AC Current Range: 40mA/400mA/4A/10A 

Frequency Range:4Hz/40Hz/400Hz/4kHz/40kHz/400kHz/3MHz 

Resistance Range: 400Ω/4KΩ/40KΩ/400KΩ/4MΩ


NCV: yes

Diode: yes

Continuity: yes

Sample Rate: 3 times per second

Operating Temperature: 0-40℃

Storage Temperature: -20℃-60℃

Operating Hunidity: <75%

Storage Hunidity: <80%

Power: 2 * 1.5V AAA batteries(Not Included)

Item weight: 121g / 4.27ounces

Package weight: 184g / 6.47ounces

Item size: 118 * 60 * 25mm / 4.65 * 2.36 * 0.98in

Package size: 190 * 140 * 35mm / 7.48 * 5.51 * 1.38in


1. Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.

2. Due to the manual measurement and different measurement methods, please allow 1-3mm deviation.

3. Low level of a battery will result in incorrect reading.Change the batteries when battery level is low. Do not make measurements when the battery door is not propely placed.

4. Do not inpt voltage exceeds 36V DC or 25V AC when you are at ther seeting of measuring current.

5. Do NOT exceed the “maximum value” indicated in the Specification.

6. Turn off the product and remove the test leads from the test points before  changing batteries or fuses.

Package List:

1 * Multimeter 

2 * Test Leads

1 * Thermocouple

1 * Manual

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