Digital LCR meter adopts 192×64 dot-matrix graphic LCD display, 20 typical test frequencies from 50Hz to 100kHz or 100Hz to 10kHz. Digital LCR bridge is equipped with RS232C interface, built-in comparator, 4-level sorting and level counting, high measurement stability and accuracy.
sisco digital LCR meter has wide test range
sisco digital LCR meter is a general-purpose inductance measuring instrument with high precision and wide test range. LCR bridge tester has three frequency points and powerful functions to meet the requirements of production line quality assurance, incoming inspection and laboratory measurement.
Digital LCR meter panel details
- Power switch
- LCD display
- Test terminal
- Function key
- Cursor key
- Function key
- RS-323C interface
- Power socket
Applications
Digital LCR bridge meter is widely used in the fields of electric power, petrochemical industry, metallurgy, railway, meteorology, industrial and mining enterprises, metrology departments, scientific research institutions and so on.
| Model | SISCO-LCRM-2817B | SISCO-LCRM-2811C |
| Test Specifications | |Z|, C, L, R, D, Q | L-Q, C-D, R-Q, |Z|-Q |
| Test Frequency | 50/60/80/100 120/200/400/500 800/1k/2k/4k/5k 80k/10k/20k/25k 40k/50k/100k |
100Hz/120Hz/1kHz/10kHz |
| Test Level | 0.1V, 0.3V, 1V | |
| Basic Accuracy | 0.1% | 0.2% |
| Display Range | |Z|, R, X: 0.0001Ω—99.999MΩ C: 0.001pF—99999µF L: 0.001µH—99.999kH Q: 0.0001—9.9999 D: 0.0001—9.9999 Δ%: 99.999%—99.999% |
|Z|, R: 0.0001Ω—99.999MΩ C: 0.01pF—99999μF L: 0.01µH—99999H D: 0.0001—9.9999 Q: 0.0001—9999.9 |
| Measuring Speed | slow: 1.5 times/sec medium speed: 5 times/sec medium speed: 5 times/sec |
|
| Equivalent Circuit | series, paralle | |
| Range Mode | auto, keep | |
| Trigger Mode | internal, manual, external | |
| Correction Function | open circuit, short circuit | |
| Measuring End | 5 | |
| Display Mode | direct reading, Δ%, grade and file count | |
| Sorting | Four stalls (The third gear is qualified. One gear is unqualified.) There is another attached gear |
|
| Interface | RS232C | |
| Working Temperature, Humidity | 0℃~40℃, ≤90% RH | |
| Power Requirements | 198V~242V AC, 47.5Hz~52.5Hz power waste ≤50 VA |
|
| Certification | CE | |
| Size (W×H×D) | 308mm×105mm×310mm | |
Dimension
Q1: What is a LCR meter?
A1: LCR meter is also called LCR bridge or LCR tester. It can accurately and stably measure various component specifications, is a tester mainly used to test inductance (L), capacitance (C), and resistance (R). Digital LCR meter has two detection modes: series mode and parallel mode. The series mode is based on detection for component impedance Z, and the parallel mode is based on detection for component admittance Y. Digital LCR meter has the features of direct function and easy operation. It can meet test requirements of devices in production line quality assurance, incoming inspection, electronic repair and other industries with a lower budget.
Q2: What are the functions of LCR meter?
A2: The LCR tester is mainly used to measure the impedance of various electronic products, and can also measure the transmission performance of electronic components. In the actual measurement, there are many standard interfaces on the LCR tester, and the corresponding standard interface can be selected according to the situation of the electronic components to be measured, and the measurement can be performed automatically. The response time of this measurement is very fast, and the error is very small. The error of the current LCR tester can be less than 0.1%.
Q3: How does a LCR meter work?
A3: The measurement object of the digital LCR tester is the parameters of the impedance element, including the AC resistance R, the inductance L and its quality factor Q, the capacitance C and its loss factor D. Therefore, the digital LCR tester is often referred to as a digital LCR measuring instrument.
It is measured at frequencies from the power frequency to about 100 kHz. The basic measurement error is 0.02%, generally around 0.1%. Its impedance is represented by Zx, and Rr is a standard resistor. The switch can measure the voltages Ux and Ur respectively, so there is the following formula: Zx = Ux/Ix = Rr * Ux/Ur
This formula is a phasor relational formula. For example, the phase sensitive detector (PSD) is used to measure the in-phase component and quadrature component of Ux and Ur corresponding to a certain reference phasor, and then the analog-to-digital converter (A/D) converts them into digital quantities, and then The complex number operation is carried out by the computer, and the resistance value and reactance value that make up the measured impedance Zx can be obtained.
Tips: How to start digital LCR meter?
Connect one end of the digital LCR tester's power cord with IEC to the IEC socket on the left rear of the bridge firstly, and insert the other end into a suitable power socket. Move the rocker switch on the left rear of the digital LCR meter, even if the bridge is powered on. After power-up, the display, range, and function indicators light up. The LCR bridge can be automatically placed in the inductance and capacitance measurement files, parallel equivalent and 1KHz frequency state. Under normal circumstances, the internal circuit stabilizes after a few seconds of power-up and can be measured.
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