Máy đo LCR kỹ thuật số AX-221N Adexaile ADEX
AX-221N
The function of auto range and auto mode are equipped
● Measuring range : L･･･0.1μH～199.9H
C･･･0.1pF～1999μF
R･･･1mΩ～1999kΩ
D･･･0.001～1.999
● L,C,R 3½ digit, D 3½ digit, LED display
● Sampling time : 10 times/sec. approx.
(Auto range changeover time:1 step 100 milli second)
● L,C,R and d, analog voltage output
(full scale DC2V)
Specifications
※The following accuracy is representative value
| Measuring range and Accuracy (at23℃±5℃) |
L | 0.1μH～199.9H | ±(0.5％ of rdg＋2digit＋0.2μH) TYP |
|---|---|---|---|
| C | 0.1pF～1999μF | ±(0.3％ of rdg＋2digit＋0.2pF) TYP | |
| R | 1mΩ～1999kΩ | ±(0.3％ of rdg＋2digit＋2mΩ) TYP | |
| D | 0.001～1.999 | ±(0.5％ of rdg＋2digit) TYP | |
| Measuring frequency | 1kHz±5％ | ||
| Measuring signal level | L | 10mA～1μA | Differs according to the range. |
| C | 1V～0.01V | ||
| R | 100mA～1μA | ||
| Range changeover | Auto or manual | ||
| Display | L,C,R 3½ digit, D 3½ digit, LED display | ||
| Measurement time | Less than one second to stabilize the measured value | ||
| Sampling time | 10 times per second approx. (Auto range changeover time:1 step 100 msec.) |
||
| Changeover of measuring item | L and D, C and D, R are selectable from push-button switch | ||
| Measuring mode | Ｌ | Series equivalent circuit | |
| Ｃ | 200pF, 2nF, 20nF, 200nF range (parallel equivalent circuit) 2μF, 20μF, 200μF, 2000μF range (series equivalent circuit) |
||
| Ｒ | Resistance, parallel resistance in inductance measurement |
| Measuring terminal | 5 terminals |
|---|---|
| Output signal | L, C, R and D, analog voltage output (full scale DC2V) |
| External bias | 0 to 50V DC, 0.1A max. (capacitance measurement) |
| Power supply | AC100V/117V/220V/240V ±10%, 50/60Hz, 30VA approx. |
| Outer dimension | 260(W)×90(H)×250(D)mm (excluding protruding parts such as rubber legs, etc.) |
| Weight | about 2.2kg |
The Outline
The Digital LCR Meter, Model AX-221N offers easy measurement of contact resistance of electric components such as a coil, condenser, resistor, switch, relay etc., of inner resistance of a battery, of junction capacity of semiconductor and of any kind of elements. Auto range and auto mode functions select automatically an optimum range for the measuring object with unknown value. Also, manual range changeover is possible and thus unnecessary time for range changeover can be eliminated. The display unit displays LCR value in 3½ digit and in case of the measurement of L or C, the value of D (loss coefficient) is also displayed in 3½ digit. Analog voltage proportional to the measured value is output, too, for the connection to an analog recorder, analog comparator, etc.
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