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Educational Materials !! General Measuring Instrument
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YS0027
Portable Single-double Bridge
Accuracy: Grade 0.2 for single bridge
    Grade 0.5 for double bridge
Measuring range: 104~106Ω
YS0028
Portable DC Double Arm Electric Bridge Model QJ-44
Specification
Measuring range: 10-2-11Ω, 10-2-11Ω
Accuracy: 0.2% of full scale deflection
Overall dimension: 314〜265〜165mm
YS0029
Regulating Transformer
Input voltage: 220V, 50Hz
Output voltage: 0~250V, stepless regulation
Max. output current: 8A
Rated power: 2KVA
YS0030
Electronic Induction Coil
Primary power supply: 220V, 50Hz
Secondary output:2~100,000V, stepless regulation
Spark discharging gap between two pointed spark discharging rods: 【100mm
Continuous operating time: >15 minutes
YS0031
Centrifugal Pump Model
For demonstration of construction and working principle of centrifugal pump
Rotating speed of impeller: 900rpm
Head: >1.2m
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