☆ Calibrating magnetic measuring devices |
|
☆ Establishing a high-precision magnetic measurement system |
|
☆ Measurement data confirmation |
|
Measurement function | Current I measurement (corresponds to H of M.C method) | Voltage U2 measurement (Corresponding to B, J) | Voltage UH measurement (corresponds to H of H-Coil method) |
Range | 1 mA,3 mA,10 mA,30 mA,100 mA,300 mA,1 A,3 A,10 A,30 A | 0.6V,2 V,6V,20 V,60 V,200 V | 0.2mV,0.6 mV,2 mV,6 mV,20 mV,60 mV,200 mV,600 mV,2V,6 V |
Measurement range (DC) | 0.2 mA~33 A | 120 mV~220 V | -- |
Measurement range (AC) | 0.2 mArms~33 Arms or 0.3 mApk~50Apk; | 120 mVrms~220 Vrms or 180 mVpk~330 Vpk | 50 μVrms~6.6 Vrms or 75 μVpk~10 Vpk |
Frequency | fundamental wave:5 Hz~10 kHz | fundamental wave:10 Hz~1 kHz | |
Phase | 0.0000°~359.9999° | ||
Resolution | 7-digit decimal display |
Frequency range ( Hz ) | Voltage and current effective value, measurement uncertainty(A%*RD + B%*RG ) | Power measurement uncertainty ( A%*RD + B%*FS ) |
DC | 0.006 + 0.004 | -- |
5 ≤ F ≤ 10 | 0.03 + 0.02 | 0.06 + 0.04 |
10 < F ≤ 40 | 0.012 + 0.008 | 0.03 + 0.02 |
40 < F ≤ 400 | 0.006 + 0.004 | 0.012 + 0.008 |
400 < F ≤ 1 k | 0.012 + 0.008 | 0.03 + 0.02 |
1 k < F ≤ 5 k | 0.03 + 0.02 | 0.06 + 0.04 |
5 k < F ≤ 10 k | 0.06 + 0.04 | 0.12 + 0.08 |
Range ( mT ) | Resolution ( nT ) | Optimal Measurement Uncertainty(k=2) | Temperature Coefficient ( ppm*RG/°C ) | |
Constant magnetic field | Alternating magnetic field | |||
± 0.1 | 10 | 0.5%*RG | 1.5%*RG | ± 10 |
± 0.5 | 100 | 0.5%*RG | 1.5%*RG | ± 10 |
Power supply | AC ( 220 ± 22 ) V,( 50 ± 2 ) Hz, Maximum power consumption: 80 VA |
Preheat time | 30 min |
Temperature performance | Working temperature: 5°C~45°C; Storage temperature: -10°C~55°C |
Humidity performance | Working humidity: < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C Storage humidity: (20%~80%) R·H, no condensation; |
Altitude | < 3000 m |
Weight | Approx 9.9 kg |
Communication interface | RS232, USB, LAN |
Dimension | 450 mm(W) × 215 mm(D) × 220 mm(H) |