Testech Group Co., Ltd
| Product | Type B Magnetic Particle Testing Block |
| Center Hole | diameter 31.8mm |
| Surface distance | 1.78mm-21.34mm |
| Defect Hole | Φ1.78 mm |
| Packaging Details | In Carton |
| Delivery Time | 3-7 days |
| Payment Terms | T/T, Credit Card, Paypal, Western Union |
| Supply Ability | 5000pcs/month |
| Model Number | 12-hole DC test ring |
| Brand Name | TESTECH |
| Certification | CE, ISO |
| Place of Origin | CHINA |
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Product Specification
| Product | Type B Magnetic Particle Testing Block | Center Hole | diameter 31.8mm |
| Surface distance | 1.78mm-21.34mm | Defect Hole | Φ1.78 mm |
| Packaging Details | In Carton | Delivery Time | 3-7 days |
| Payment Terms | T/T, Credit Card, Paypal, Western Union | Supply Ability | 5000pcs/month |
| Model Number | 12-hole DC test ring | Brand Name | TESTECH |
| Certification | CE, ISO | Place of Origin | CHINA |
| High Light | magnetic particle inspection ，magnetic particle inspection ndt ，magnetic particle testing | ||
The Type B Magnetic Particle Testing Block (also referred to as the 12‑hole DC Test Ring) is equivalent to the American BETZ Ring.
It is used to verify the overall performance (system sensitivity) of magnetic particles and magnetic suspensions in magnetic particle testing equipment, as well as to evaluate the suitability of testing conditions and operating procedures. It is applied when the magnetization specification, magnetic field direction, and effective magnetization range cannot be determined.
This Type B test block is designed for verifying the comprehensive performance of magnetic particles under DC or three‑phase full‑wave rectified magnetization current.
| Hole | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.8inch | |||||||||||
| Distance between the hole and the outer edge(Inch) | 1.8 | 3.6 | 5.4 | 7.2 | 9 | 10.8 | 12.6 | 14.4 | 16.2 | 18 | 19.8 | 21.6 |
Company Details
Business Type:
Manufacturer
Year Established:
18 years
Total Annual:
250 US dollar-285 US dollar
Employee Number:
30~35
Ecer Certification：
Verified Supplier
TESTECH GROUP is a high-tech company where we focus on the research, development, and manufacturing of ultrasonic equipment as well as ultrasonic probes. Our enterprise still continues to devote itself to nondestructive testing and we are the leading manufacturer of nondestructive testing instrume... TESTECH GROUP is a high-tech company where we focus on the research, development, and manufacturing of ultrasonic equipment as well as ultrasonic probes. Our enterprise still continues to devote itself to nondestructive testing and we are the leading manufacturer of nondestructive testing instrume...
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