Ningbo Oriental Mecha & Elec

Automatic control, intelligent judgment
automatically measure the AC magnetic parameters of Fe-Si-Al, Fe-Al, soft ferrite, permalloy, amorphous/nanocrystalline and silicon steel under the frequency of 40Hz~300kHz (continuous frequency)
MATS-3110SA Hysteresisgraph can automatically measure the AC magnetic parameters of Fe-Si-Al, Fe-Al, soft ferrite, permalloy, amorphous/nanocrystalline and silicon steel under the frequency of 40Hz~300kHz (continuous frequency), the measured parameters are: Ps, Bm, Hm, Ss, μa, δ, Br and Hc, and can calculate μ′, μ″, μL, μR, Q and AL under certain conditions.
The test system is composed of industry computer, TPS series broadband program control power supply and LZ series power analyzer. It is equipped with MATS magnet automatic magnetic test system V7.0 -- SMTest soft magnetic dynamic measurement software, which can realize a variety of complex magnetic characteristics testing and data management.
►Adopt digital power supply and standard power meter which are controlled by computer and the whole measure process can be finished automatically.
► Digital programmable power supply has the function of change ranges automatically, and can automatically match the output range and sampling range according to the material characteristics, effectively improve the safety of equipment and measurement accuracy.
► Test samples with closed magnetic circuit and can be directly winded and measured on sample. The sample, magnetizing coil (N1) and measuring coil (N2) together to form the no-load transformer.
► Magnetizing coil circuit serial with the current of standard power meter, and get the magnetic field peak by reading the current peak value of power meter.
► Connect the measure coil to the voltage input port of standard power meter, calculate the peak value of magnetic flux density by reading the voltage effective value of the power meter.
Sample, magnetizing coil (N1) and measuring coil (N2) to form a non-load transformer. It can measure the samples with closed magnetic circuit structure such as ring, rectangle, CD shape, EE shape, UU shape and PQ shape.
| Materials | Test Parameters | Applied Standards |
| Silicon Steel, amorphous, nanocrystalline, permalloy and SMC Soft Magnetic Composite | Ps, Bm, Hm, Ss, ua, AC Magnetization Curve and Losses Curve | GB/T 3658-2008 GB/T 19346.1-2017 |
2. Epstein Frame
Epstein Frame is a magnetizing device used to measure magnetic characteristics of electrical steel strip. It consists of four coils and air flux compensation coil, each of four coils contains a primary magnetization winding and a secondary induction winding. When testing, a primary coil, a secondary coil and a sample of electrical steel strip as an iron core to form a no-load transformer.
| Model | ES-700 | ES-200 |
| Applied Standards | GB3655-2008 and IEC 60404-2 | GB 10129-88 |
| Equivalent magnetic circuit | 940mm | 940mm |
| Turns | N1=N2=700 turn | N1=N2=200 turn |
| Applied frequency | 50~400Hz | 400Hz~10kHz |
| Measured range | Oriented silicon steel sheet: Bm1.0T~1.8T,Hm≤1000A/m Non-oriented silicon steel sheet: Bm0.8T~1.5T,Hm≤10kA/m | 400Hz~10kHz |
| Sample size | Width: 30mm±0.2mm, Length: 280~320mm±0.5mm | |
| Sample mass | 240g~1000g | 200g~1000g |
1. Hardware Parameters
| Working Environment | |||
| Parameters | Specifications | ||
| Input power | Single-phase 220V, 50Hz | ||
| Environment | Temperature: 23±5℃; Humidity: 30~75%RH | ||
| External magnetic field interference | Absolutely avoid | ||
| Thermal balance time | 10 minutes | ||
| TPS-500M Test Power Supply | |||
| Parameters | Specifications | ||
| Max. Output power | 500VA | ||
| Frequency | 40Hz-1kHz | ||
| Frequency fineness | < 0.1%×current value, frequency error< 0.05% | ||
| Output voltage | 0~1V~10V~50V~150V four automatic ranges | ||
| Max. Output current | 10A | ||
| Fixed Bm | √ | ||
| Fixed Hm | √ | ||
| TPS-500A Broadband Program Control Power Supply | |||
| Sub-model | 1210B | 2010B | 3010B |
| Max. Output power | 500VA (≤120k) | ||
| Frequency | 1kHz~120kHz | 1kHz~200kHz | 1kHz~300kHz |
| Frequency fineness | < 0.1%×current value, frequency error< 0.05% | ||
| Output voltage | 0~10V~50V~150V~300V four automatic ranges | ||
| Max. Output current | 10A | 10A | 10A |
| Fixed Bm | √ | √ | √ |
| Fixed Hm | √ | √ | √ |
1.√ means support the function, Х means do not support the function
2. Model definition: max output power (VA),the suffix means max frequency (kHz)/10+max output current(A)+letter (A: support fixed B; B: supports fixed B and fixed H)
| LZ-300/3012 Power Analyzer | |
| Parameters | Specifications |
| Frequency measurement | 40Hz~300kHz |
| Current measurement | 0~12A (effective value) |
| Voltage measurement | 0~120V (effective value) |
| Phase accuracy | 1% ±0.05° |
2. Technical Index
2.1. According to National Standard GB/T 3655-2008, under the frequency of 50Hz, 60Hz, test 30*300mm silicon steel reference sample by 25cm Epstein Frame:
| Measured parameters | Ps(%) | Hrms(%) | Bm(%) | Hm(%) |
| Uncertainty (k=2) | 1 | 2 | 1 | 2 |
| Repeatability(contact temperature) | ± 0.5 | ± 1 | ± 0.5 | ± 1 |
2.2. According to National Standard GB/T 3658-2008, under the frequency of 20Hz~20kHz, test permalloy ring sample:
| Measured parameters | Ps(%) | μa(%) | δ(%) | Bm(%) | Hm(%) |
| Uncertainty (k=2) | 3 | 4 | —— | 1 | 1 |
Repeatability (contact temperature) | ± 1.5 | ± 1 | ± 1 | ± 0.5 | ± 0.5 |
2.3. According to National Standard GB/T19346.1-2017, test amorphous ring sample:
| Measured parameters | Ps(%) | μa(%) | Ss(%) | Bm(%) | Hm(%) |
| Uncertainty (k=2) | 3 | 4 | —— | 1 | 1 |
Repeatability (contact temperature) | ± 1.5 | ± 1.5 | ± 1.5 | ± 0.5 | ± 0.5 |
2.3. According to National Standard GB/T19346.1-2017, test amorphous ring sample:
| Measured parameters | Ps(%) | Hrms(%) | Bm(%) | Hm(%) |
| Uncertainty (k=2) | 5 | 3 | 1 | 1 |
| Repeatability(contact temperature) | ± 3 | ± 2 | ± 0.5 | ± 0.5 |
► Running environment: Windows operating system.
► System language: Chinese or English.
► Multiply units can be selected to meet the use habits of different customers.
► Support input sample parameters with shapes of ring, EE, EI, CD, rectangle, diplopore, BS and others.
► Calculate Ae and Le according to sample sizes.
► Multiple groups of measurement conditions can be set at a time, such as fixed frequency, fixed Bm and fixed Hm can be set at the same time. Multi-condition test can be completed with one click.
► Can set 1 to 100 test points for each group at a time, quick setting in batches is supported.
► Save the text conditions to “Saved test conditions”, there is no need to duplicate input test conditions.
► The file system adopts database format and can output test results to Excel tables
► Test data is automatically saved, supporting historical data query, import and delete.