Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
-Magnetic Parameter specifications:
Main magnetic parameters/ Uncertainty ( k = 2 ) @1 kHz/ Repeatability
Ps/ 2.0%/ 1.0%
μa/ 3.0%/ 1.0%
Bm/ 1.0%/ 0.5%
Hm/ 1.0%/ 0.5%
δ/ 5.0%/ 1.5%
Other parameters/ Uncertainty ( k = 2 ) @1 kHz/ Repeatability
Br/ 2.0%/ 1.0%
Hc/ 3.0%/ 1.0%
μ’ / 3.0%/ 1.0%
μ′′/ 3.0%/ 1.0%
μL/ 3.0%/ 1.0%
Testing conditions：( 23±5 )°C，20 Hz ≤ F ≤ 20 kHz，demagnetized before testing.
The ratio of the outer diameter to the inner diameter of the measured specimen should not be greater than 1.4, preferably less than 1.25.
-Electrical Parameter Specifications:
Voltage Range: 10 mVpk～68Vpk
Current Range: 0.5 mApk～6 Apk
Frequency Range: 20 Hz... 1 MHz
Frequency Uncertainty: 0.1%
Frequency Range (Hz)/Power (Peak)/Voltage and Current Uncertainty (k=2)/Power Uncertainty (k=2)
20 ≤ F ≤ 1 k/400VA/0.05%*RG/0.1%*FS
1 k < F ≤ 10 k/400VA/0.1%*RG/0.2%*FS
10 k < F ≤ 100 k/400VA/1.0 %*RG/2.0%*FS
100 k < F ≤ 300 k/240 VA/2.5%*RG/5.0%*FS
300 k < F ≤ 500 k/240 VA/5.0%*RG/8.0%*FS
500 k < F ≤ 1 M/200 VA/8.0%*RG/12%*FS
-General Specifications:
Power Supply: AC ( 220 ± 22 ) V，( 50 ± 2 ) Hz
Temperature Performance:
Operating Temperature：0°C～45°C
Storage Temperature：-20°C～70°C
Humidity Performance:
Operating Storage：< 80% @ 30°C，< 70% @ 40°C，< 40% @ 50°C
Storage Humidity：(20%～80%) R•H，non-condensing
1. Summary
TD81 Series is AC Magnetic Properties Measuring System for Soft Magnetic Materials. The product design conforms to the standard IEC 60404-6, GB/T 3658-2008. These series instruments cover frequency range from 20 Hz up to 1 MHz, depending on the selected model. It used for testing the AC magnetic properties and curves of ring core specimen.
2. Application
