AMM-1221 Digital Multimeter

AKTAKOM AMM-1221 digital multimeter provides precision measurement accuracy (up to 0.1%) and wide functionality at an affordable price. Due to the capability of TrueRMS measuring AMM-1221 multimeter correctly measures non-sinusoidal signals at 40 Hz to 10 kHz frequency range.

In addition to the usual measuring functions for portable multimeters AMM-1221 multimeter is capable of measuring duty cycle and temperature (using K-type thermocouple).

Main features:

• Large LCD display (69 x 52 mm) with backlight: 4 1/2 digits, 22000 counts
• TrueRMS measurements (40 Hz...10 kHz)
• Basic accuracy 0.1%
• Input impedance ≥10 MΩ
• Measurement speed 2 times/sec
• Analog scale 45 segments
• Automatic and manual range selection
• Hold current values
• Recording maximum and minimum values
• Relative measurement mode
• Diode and continuity test
• Low battery indicator
• Auto power off (30 min)
• Overload protection 1000 V, CATIII

Specifications:

DC voltage

Ranges	Best resolution	Accurancy
220,00 mV	0,01 mV	±(0,1%+5 digits)
2,2000 V	0,1 mV	±(0,1%+2 digits)
22,000 V	0,001 V
220,00 V	0,01 V
1000,0 V	0,1 V	±(0,1%+5 digits)

AC voltage (40…10000 Hz)

Ranges	Best resolution	Accurancy
220,00 mV	0,01 mV	≤1kHz	±(1,0%+10 digits)
		>1 kHz	±(1,5%+50 digits)
2,2000 V	0,1 mV	≤1kHz	±(0,8%+10 digits)
		>1 kHz	±(2,0%+50 digits)
22,000 V	0,001 V	≤1kHz	±(0,8%+10 digits)
		>1 kHz	±(2,0%+50 digits)
220,00 V	0,01 V	≤1kHz	±(0,8%+10 digits)
		>1 kHz	±(2,0%+50 digits)
750,0 V	0,1 V	≤1kHz	±(1,2%+10 digits)
		>1 kHz	±(3,0%+50 digits)

DC current

Ranges	Best resolution	Accurancy
220,00 µA	0,01 µA	±(0,5%+10 digits)
2200,0 µA	0,1 µA
22,000 mA	0,001 mA
220,00 mA	0,01 mA	±(0,8%+10 digits)
20,00 A*	0,01 A	±(2,0%+25 digits)

AC current (40…10000 Hz)

Ranges	Best resolution	Accurancy
220,00 µA	0,01 µA	≤1kHz	±(0,8%+10 digits)
		>1 kHz	±(1,2%+50 digits)
2200,0 µA	0,1 µA	≤1kHz	±(0,8%+10 digits)
		>1 kHz	±(1,2%+50 digits)
22,000 mA	0,001 mA	≤1kHz	±(1,2%+10 digits)
		>1 kHz	±(1,5%+50 digits)
220,00 mA	0,01 mA	≤1kHz	±(1,2%+10 digits)
		>1 kHz	±(1,5%+50 digits)
20,00 A*	0,01 A	≤1kHz	±(1,5%+10 digits)
		>1 kHz	±(2,0%+50 digits)

Resistance*

Ranges	Best resolution	Accurancy
220,00 Ω	0,01 Ω	±(0,5%+10 digits)
2,2000 kΩ	0,0001 kΩ
22,000 kΩ	0,001 kΩ
220,00 kΩ	0,01 kΩ
2,2000 MΩ	0,0001 MΩ	±(0,8%+10 digits)
22,000 MΩ	0,001 MΩ	±(1,5%+10 digits)
220,0 MΩ	0,1 MΩ	±(5,0%+10 digits)

Capacity

Ranges	Best resolution	Accurancy
22,000 nF	0,001 nF	±(3,0%+5 digits)
220,00 nF	0,01 nF
2,2000 µF	0,0001 µF
22,000 µF	0,001 µF
220,00 µF	0,01 µF
2,2000 mF	0,0001 mF	±(4,0%+10 digits)

Frequency*

Ranges	Best resolution	Accurancy
22,00 Hz	0,01 Hz	±(0,1%+4 digits)
220,0 Hz	0,1 Hz
2,200 kHz	0,001 kHz
22,000 kHz	0,001 kHz
220,00 kHz	0,01 kHz
2,2000 МHz	0,0001 МHz
22,000 МHz	0,001 МHz

Fill factor*

Ranges	Best resolution	Accurancy
5,0% ~ 94,9% (Vrms = 1 V)	0,1 %	not standardized

Temperature (K-type)

Ranges	Best resolution	Accurancy
-50 °C…400 °C / -58°F…752°F	1°C / 33.8°F	not standardized

*Please check User manual for careful measurements


• Power: 3 V (2 AA batteries)
• Overall dimensions 185x85x30 mm
• Weight 320 g

Standard accessories

• Multimeter
• Test leads 2 pcs.
• Alligator clips 2 pcs.
• K-type thermocouple
• Soft bag
• Operational document