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AMM-3320 LCR Meter


Digital LCR meter. Dual LCD display +analog bar. Measurements: Capacitance 200pF...200mF, Inductance 200µH...20kH, Resistance 20Ω...200MΩ, quality factor, dissipation factor, phase angle, resistance. DCR. Frequency: 100Hz, 120Hz, 1kHz, 10kHz, 100kHz. Measurement in parallel mode (Lp, Cp, Rp) and series mode (Ls, Cs, ESR). Relative measurements and data hold. Mini-USB interface.

The LCR meter AKTAKOM AMM-3320 is designed to measure Inductance (L), Capacitance (C), and Resistance (R). Mini USB port allows connecting the LCR meter to PC.

Features

  • 1,999 counts dual LCD display
  • Analog Bar display
  • Mini USB port connect to PC
  • Auto LCR smart check and measurement
  • Parameters Ls, Lp, Cs, Cp, DCR, ESR, D, Q and θ
  • Basic accuracy: 0.3% with resolution of 0.01%
  • Measurement frequency up to 100 kHz
  • Sorting function
  • Relative measurement
  • Data hold
  • Backlight, full angle for LCD display
  • 4-terminal measurement configuration
  • Automatic power off
  • Battery and external power supply
  • Battery voltage indication

Parameter

PrimaryDCR: DC resistance
Ls/Cs series inductance / capacitance
Lp/Cp parallel inductance / capacitance
Secondaryθ: phase angle
D: dissipation factor
ESR: equivalent series resistance
Q: quality factor
Rp: equivalenent parallel resistance

Specifications

 
Frequency Range
L100/120Hz20mH…20kH
1kHz2000μH…2000H
10kHz200μH…20H
100 kHz20μH…200mH
C100/120Hz20nF…20mF
1kHz2000pF…2mF
10kHz200pF…200μF
100kHz200pF…20μF
R100/120Hz200Ω…200MΩ
1kHz20Ω…200MΩ
10kHz20Ω…20MΩ
100kHz20Ω…2MΩ

LDCR200…200M
D/Q0.001…1999
θ0.00°…±180°

Impendance accuracy

The bellow-listed accuraies are guaranteed by the meter with normal use under the operating temperature of 18-28 and relative humidity less than 80%.

 
0.1-1Ω1-10Ω10Ω-100kΩ100kΩ-1MΩ1M-20MΩ20M-200 MΩRemark
DCR1.0%+5d0.5%+3d0.3%+2d0.5%+3d1.0%+5d2.0%+5dD<0.1
100/120 Hz1.0%+5d0.5%+3d0.3%+2d0.5%+3d1.0%+5d2.0%+5d
1 kHz1.0%+5d0.5%+3d0.3%+2d0.5%+3d1.0%+5d5.0%+5d
10 kHz1.0%+5d0.5%+3d0.3%+2d0.5%+3d1.0%+5dN/A
100 kHz2.0%+5d1.0%+5d0.5%+3d1.0%+5d2.0%+5d (1M-2MΩ)
  • Frequency: 100/120/1k/10k/100kHz
  • Display: Dual display + analog bar display
  • Test level: 0.6Vrms
  • Rang mode: Auto and Hold
  • Equivalent Circuit: Parallel and Series
  • Calibration function: Open/Short
  • Interface: Mini-USB
  • Measurement speed: approx. 1.2 times/second
  • Measurement terminal: 4-terminal
  • Basic accuracy: 0.3%
  • Power: AAA*6 battery or external power supply
  • Auto power off: 5 min (with batteries)
  • Operation environment: temperature (0…40°C), humidity (90%RH, 40°C, no condensation)
  • Storage temperature: -25°C…50°C
  • Size: 8×4×2in/ 203.2×101.6× 50.8mm
  • Weight: 20oz/567g

Accessories

  • LCR testing leads (pair)

  • LCR clips (open and short)

  • Black crocodile lead (single)

  • USB - mini cable

  • Batteries

  • Soft bag

  • User manual

Capacitance measurement

  • Turn on the power.
  • If exists voltage in the capacity, connect the two ends of the capacitor for a short time to discharge.
  • There are two ways for capacitance input:
    a. Insert the positive polarity of capacitance into the positive terminal and its negative polarity into the negative terminal;
    b. Insert the black and red testing lines with alligator clip into the "LCUR", "LPOT" terminal and "HCUR", "HPOT" terminal respectively. Connect the alligator clips to the two ends of capacitance corresponding to its polarity.
  • The default test mode is Auto LCR mode, the capacitance value will show on primary display and the dissipation factor D will show on secondary display. In Auto LCR mode, the D/Q/ESR key, SEL/PAL key, SORTING key and REL% key are not available.
  • Press FUNC. key twice to select Auto-C mode. The primary LCD display will show the capacitance value. The secondary LCD display will show the dissipation factor D. The quality factor Q, equivalent resistance ESR/Rp or phase angle θ can also be shown by pressing the D/Q/ESR key.
  • Press FREQ key to select frequency value: 100/120/1k/10k/100kHz.
  • Press SER/PAL key to select series or parallel mode.
Note: 1. When Auto-LCR mode is active, the secondary parameter will show the equivalent resistance in parallel mode (Rp) to replace the D factor if the C measured value is less than 5pF.
2. In order to avoid damaging the instrument, the capacitance requires discharge before measuring.

Capacitance measurement

Inductance measurement

  • Turn on the power.
  • There are two ways for inductance input:
    a. Insert the measured inductance into the input terminal directly;
    b. Connect the alligator clips to the ends of the measured inductance.
  • The default test mode is Auto LCR mode, the inductance value will show on primary display and the quality factor Q will show on secondary display. In Auto LCR mode, the D/Q/ESR key, SEL/PAL key, SORTING key and REL% key are not available.
  • Press FUNC. key to select Auto-L mode. The primary LCD display will show the inductance value. The secondary LCD display will show the quality factor Q. The equivalent resistance ESR/Rp, phase angle Θ or dissipation factor D can also be shown by pressing the D/Q/ESR key.
  • Press FREQ key to select frequency value: 100/120/1k/10k/100kHz.
  • Press SER/PAL key to select series or parallel mode.

Resistance measurement

  • Turn on the power.
  • There are two ways for resistance input:
    a. Insert the measured resistance into the input terminal directly;
    b. Connect the alligator clips to the ends of the measured resistance.
  • The default test mode is Auto LCR mode, the resistance value will show on primary display and the phase angle θ will show on secondary display. In Auto LCR mode, the D/Q/ESR key, SEL/PAL key, SORTING key and REL% key are not available.
  • Press FUNC. key three times to select Auto-R (ACR) mode. The primary LCD display will show the resistance value. The secondary parameter is omitted and the D/Q/ESR key is not available.
  • Press FREQ key to select frequency value: 100/120/1k/10k/100kHz.
  • Press SER/PAL key to select series or parallel mode.
  • Press FUNC. key four times to select DCR mode. The primary LCD display will show the resistance value. The secondary parameter is omitted and the D/Q/ESR key, SEL/PAL key and FREQ key are not available.
Note: The phase angle Θ will show on secondary display only in Auto-LCR mode. During Auto-R mode or DCR mode, the secondary parameter is not available.


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