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Description
Microtest 6621-1 Bench LCR Meter
The Microtest 6621-1 Bench LCR Meter, part of the MICROTEST 6621 Series LCR Meters, offers a broad frequency range, from 10Hz to 30MHz, which is ideal for measuring the impedance characteristics of various components and materials. This versatile device provides a comprehensive set of measured parameters, including impedance (|Z|), admittance (|Y|), phase angle (θ), reactance (X), resistance (R), conductance (G), susceptance (B), inductance (L), dissipation factor (D), quality factor (Q), DC resistance (DCR), capacitance (C), and equivalent series resistance (ESR). Furthermore, it supports a wide array of communication interfaces such as REMOTE, Handler, LAN, USB Host, USB Device, GPIB, and RS-232, ensuring seamless compatibility with automation equipment or human-machine interfaces (PLCs).
Key Features
-
- Frequency range: DC, 10Hz to 1/3/5/10/20/30MHz
- Output Impedance 25Ω/100Ω, switchable
- Ultra-high measuring speed <3ms
- Basic accuracy up to ±0.05%
- Automatic Level Control Function
- Open circuit/Short circuit/Load Correction Function
- Built-in DC Bias Voltage ±12V (Option OP-662102)
- External DC Bias Current Source (Option 6621+ Series)
- Support Meter Mode and List Mode
- Display 4 Sets of Parameters at Once
- Simultaneous AC/DC Measurement
- Comparator Function and Handler BIN Classification Function
- Support RS-232/ Handler/ LAN/ USB Host/ USB Device interfaces
- Supports GPIB Interface (Option OP-662101)
- Store Setup Files, Measurement Data, and Screenshots via USB
- Supports PC Software
Applications
| Measurement Units Explained | |
|---|---|
| μʹ / μʹʹ: relative permeability (magnetic properties) | εʹ / εʹʹ: dielectric constant (electrical storage) |
| Ls / Lp: series / parallel inductance | Q / Qm: quality factor / mechanical quality |
| SRF: self-resonant frequency | I sat / I rms: saturation / continuous current |
| Cs / Cp: series / parallel capacitance | D: dissipation factor (energy loss) |
| ESR / DCR / Rs: equivalent series / DC / series resistance | C-V: capacitance vs voltage |
| Z: impedance | Cgd / Cgs / Cds: MOSFET capacitances |
| Fp / Kp: resonance frequency / coupling factor | DC Bias: effect of DC voltage on capacitance |
| Application | Measurement |
| Magnetic material | μʹ / μʹʹ |
| Dielectric / ceramics | εʹ / εʹʹ |
| Voice coil motor | Ls / Q / Qm / SRF |
| Hearing aids | Ls / Q / Qm / SRF |
| Piezoelectric element | Cs / Cp / D / Fs / Fp / Kp |
| Quartz crystal | Cs / Cp / D / Fs / Fp / Kp |
| Wireless charging | Ls / Q / SRF / DCR / Rs |
| NFC / RFID | Ls / Q / SRF / DCR / Rs |
| Battery | ESR / Cs / Cp / D |
| MLCC | Cs / Cp / D / Q / ESR / DC Bias |
| Capacitance | Cs / Cp / D / Q / ESR / DC Bias |
| Diode | Cs / Cp / D |
| Inductance | Ls / Lp / Q / SRF / I sat / I rms |
| Wafer | C-V |
| LED Light board | Z / Cs / Cp / D |
| MOSFET | Cgd / Cgs / Cds |
Microtest 6621 Datasheet
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