Hộp điện trở chuẩn Seaward CR Cropico, Seaward RS3 Cropico
- Value 25 ohm Accuracy Class 0.005
- Special values made to order
- Can be used in air or oil bath
- Excellent load coefficient
- 4 terminal construction
- Wide range 0.0001 ohm to 1 Mega ohm
- Each standard supplied complete with calibration certificate