This LCR Meter measures capacitance, inductance, dissipation factor, quality factor, alternating-current resistance and series/parallel resistance value.
E7-22 LCR Meter Features
- Basic accuracy 0.5% (R), 0.7% (L, C)
- Test signal: 120 Hz, 1 kHz; 0,5 V
- Series/parallel equivalent circuit
- High resolution (0.1 µH, 0.1 pF, 1 mΩ)
- Simultaneous indication of 2 measured values
- 5-bit digital scale
- Automatic or manual option for measurement limit
- max/min data logging and average calculation
- ∆-measurement mode and tolerable control mode
- LCD backlight
- RS-232 Interface
- Multiple power source
E7-22 LCR Meter Technical Specifications
Features
Characteristics
Values
| Active Resistance (RAC) |
Range |
20 / 200 / 2000 Ω / 20 / 200 / 2000 kΩ/ 10 MΩ |
| Resolution |
1 / 10 / 100 mΩ / 1 / 10 / 100 Ω /1 kΩ |
| Accuracy |
± (0,5…0,8 % + 3 LSB) 200 Ω/…/2000 kΩ
± (1,2…2 % + 8 LSB) 20 Ω, 10 MΩ |
| Capacitance |
Range |
2000 pF / 20 / 200 / 2000 nF / 20 / 200 / 2000 µF/20 mF |
| Resolution |
0,1 / 1 / 10 / 100 pF / 1 / 10 / 100 nF / 1 µF |
| Accuracy |
± (0,7 % + 3 LSB) 20 nF /…/ 200 µF, (D < 0,5)
± (1…5 % + 5 LSB) 2000 pF, 2000 µF, 20 mF (D < 0,1) |
| Inductance |
Range |
2000 µH / 20 / 200 / 2000 mH / 20 / 200 / 2000 / 10000 H |
| Resolution |
0,1 / 1 / 10 / 100 µH / 1 / 10 / 100 mH / 1 H |
| Accuracy |
± (0,7 % + 5 LSB) 200 mH /…/ 200 H
± (1…2 % + 5 LSB) 2000 µH, 20 mH, 2000 H
Unknown response at 10000 H rate |
Quality Factor (Q),
Dissipation factor(D) |
Range |
0,9999 / 9,999 / 99,99 / 999,9 |
| Resolution |
0,0001 / 0,001 / 0,01 / 0,1 |
| Accuracy |
In accordance to accuracy of capacitance, inductance
measurements |
| LCR Measurements |
Measurement Limit Option |
Automatic or manual on primary scale
Automatic on subscale |
| Rate |
1 measurement / sec. |
| Result Display |
Primary scale/subscale: Ls/Q, D, Rs; Lp/(Q, D, Rp); Cs/Q, D, Rs; Cp/(Q, D, Rp); Rac (s - series, p - parallel, ac - alternate current) |
| Measurement Design |
Parallel or series circuit (manual option) |
| Test Signal |
Frequency |
120 Hz, 1 kHz, (manual option) |
| Level |
0,5 V |
| Guidance |
Interface |
Serial port with optical isolator according to RS-232C standard |
| Display |
Displayed Parameter |
Main screen (Rac, L, C), additional screen (Q, D, Rs, Rp), measurement mode display |
| Indication format |
4½ bits (19999) primary scale
4 bits (9999) subscale |
| Congestion Indication |
"OL" |
| General Information |
Power Source |
9 V, AC-DC adapter 12…15 V / 50 mA |
| Size |
91 × 192 × 52 mm |
| Weight |
365 g |
|
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