Dielectric Constant Tester Manufacturer
Darui Electric recommends：
Dielectric loss and constant are key for ceramic materials like electrical porcelain, capacitor ceramicsBy measuring tanδ and ε, understand factors affecting D/Lto improve material performance.
Overview
Uses HF resonance method, MCU controlled, digital frequency lock, auto Q ranging. Measures Q, inductance, capacitance, HF D/L, impedance.
Technical Specifications
1. Q value measurement
a. Q value range: 5-999.
b. Q ranges: 30, 100, 300, 999, auto.
c. Nominal error
Frequency range: 25kHz-10MHz;
Intrinsic error: ≤5%±2% FS; Operating error: ≤7%±2% FS
Frequency range: 10MHz-50MHz;
Intrinsic error: ≤7%±2% FS; Operating error: ≤10%±2% FS
2. Inductance measurement
a. Range: 0.1μH-1H.
b. Ranges: 7 ranges.
0.1～1μH， 1～10μH， 10～100μH，
0.1～lmH， 1～10mH， 10～100mH， 100 mH～1H。
3. Capacitance measurement
a. Range: 1-460pF (above 460pF see manual);
b. Capacitance adjustment range
Main tuning cap: 40-500pF;
Accuracy: below 150pF ±1.5pF, above ±1%;
Fine tuning cap: -3pF~0~+3pF;
Accuracy: ±0.2pF.
4. Oscillation frequency
a. Oscillation frequency: 25kHz-50MHz;
b. Frequency ranges:
25～74kHz， 74～213kHz， 213-700kHz， 700kHz～1.95MHz，
1.95MHz～5.2MHz， 5.2MHz～17MHz， 17～50MHz。
c. Frequency error: 2×10±1 digit.
5. Q pass indicator preset, range: 5-999.
6. Normal operating conditions
a. Ambient temp: 0C-+40C;
b. RH: <80%;
c. Power: 220V±22V, 50Hz±2.5Hz.
7. Sample dimensions
Disc: thickness 2+0.5mm, dia Φ30-40mm (ε<12), Φ25-35mm (ε=12-30), Φ15-20mm (ε>30)
8. Others
a. Power: ~25W;
b. Net weight: ~7kg;
c. Dimensions: 380x132x280mm.
Note: The above information and technical parameters are compiled and published by Yangzhou Darui Electric Co., Ltd.
