Please Note you have to reading the operate manual first before use,otherwise you will burn the device with wrong operat.

Before connection (or removing) probe connector to/from current measure socket of DMM , please disconnect probe from current/voltage source first!

RM409B True-RMS Digital Multimeter Button 9999 Counts With Analog Bar Graph AC/DC Voltage Ammeter Current Ohm Auto/Manual

Specifications:

Brand Name: RICHMETERS

Model Number: RM409B

Operating Temperature: 0 – 40 ℃

Operating Humidity: ≤75%RH

Storage Condition: -20~60℃

Storage Humidity: ≤80%RH

DIY Supplies: Electrical

Operating Mode: Auto/Manual Ranging

Measuring Inductance Range: no

Measuring Temperature Range:  -20~1000 C/-4F-1832F  

Measuring Capacitance Range: 9.99nF/99.99nF/999.9nF/9.99uF/99.99uF/999.9uF/9.999MF

Measuring Voltage Range: 999.9mV/9.999V/99.99V/999.9V

Measuring Current Range:
999.9uA/99.99uA/999.9mA/10A

Measuring Resistance Range: 99.99/999.9/9.999k/99.99k/999.9K/9.999M/99.99M Ohm

Frequency: 99.99Hz/999.9Hz/9.999KHz/99.99KHz/999.9KHz/5MHz

Display Type: Digital Display

Diode Test: Yes

Continuity: Yes

Duty Cycle: 1%-99%

Sample Rate: 3 times per second

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

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

2. Do NOT input voltage at the Current Mode, the Resistance Mode, the Diode 
Mode,

    the Continuity Mode, or the Temperature Mode;

3. Do NOT use the product when the batteries or the battery cover is not placed
 properly;

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

5. Do not input voltage exceeds 36V DC or 25V AC when you are at the setting of measuring current.