DC motor speed tester manufacturer price DC motor speed tester manufacturers Rainbow please consult DC motor speed tester manufacturer price DC motor speed tester manufacturers Rainbow DC motor speed tester manufacturer price DC motor speed tester manufacturers Rainbow DX series DC stabilized current power supply, DX series DC stabilized power supply price, DX series DC stabilized power supply manufacturers, DX analog cell characteristics power supply manufacturers, DX analog battery power characteristics price, Shanghai JJW clean power exchange prices, JJW exchange of clean power manufacturers, Yangzhou AC power supply manufacturer, AC power supply production factory, DX magnetic pole pairs detector price, DX magnetic pole pairs detector manufacturers, DX magnetic pole pairs detector manufacturers, motor test equipment manufacturers, electrical test equipment manufacturers, electrical test equipment manufacturers price, Yangzhou DX series DC electronic load, Yangzhou DX-8 AC electronic load box, DX Series DC Electronic Load manufacturers, automobile generator tester manufacturer, automotive power machine tester price, magnetic switch tester manufacturers 1, without a laser (or strobe) speedometer and other equipment, display speed and accurate measurement of direct voltage and current of the motor. 2, built-in high-precision DC stabilized power supply voltage can be set directly to the electrical power supply for testing. 3, especially for all kinds of micro and small motor production, testing, factory inspection. Technical Specifications: Input voltage: AC220V ± 10%, 50HZ Output voltage: 0 ~ 30V, 50V, 100V output current: 5A, 10A, 20A voltage measurement accuracy: 1% ± 1 word Current measurement accuracy: 1% ± 1 word Speed ??measurement range: 1000 ~ 40000RPM speed measurement accuracy: 0.5% ± 2 words work environment: -0 ℃ ~ 40 ℃, relative humidity ≤85%