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
DC voltage: 999.9mV/9.999V/99.99V/999.9V±(0.5%+3), 9.999mV/99.99mV±(0.5%+3)
AC voltage: 999.9mV/9.999V/99.99V/750V±(1.0%+3), 9.999mV/99.99mV±(1.0%+3)
DC current: 999.9mA/9.999A±(1.0%+3), 99.99mA/9999μA±(0.8%+3)
AC current: 999.9mA/9.999A±(1.2%+3), 99.99mA/9999μA±(1.0%+3)
Resistance: 99.99Ω±(1.0%+3), 999.9Ω/9.999kΩ/99.99kΩ/999.9kΩ±(0.5%+3),
9.999MΩ±(1.5%+3), 99.99MΩ±(3.0%+5)
Capacitance:9.999nF±(5.0%+20),
99.99nF/999.9nF/9.999μF/99.99μF/999.9μF±(2.0%+5), 9.999mF±(5.0%+5)
Frequency:99.99Hz/999.9Hz/9.999kHz/99.99kHz/999.9kHz/5.000MHz ±(0.1% + 2)
Duty Cycle:1%~99%±( 0.1%+2)
Temperature:-20°~1000°(-4°~1832°)±(2.5%+5)
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)