| Place of Origin |
Zhejiang China (Mainland) |
| Brand Name |
jiuliang |
| Model Number |
8sj31j |
Cathode-ray tube for teaching Type outside face dimension overal lenghthneck diameter useful screen 8sj31j Φ76±2 254±7 51±2 60×40 screen fluorescencephosphorescencepersistence yellow greenyellow greenmedium short heater rating voltagecurrent 6.30.6 typical operating conditions 4th anode voltage V3rd anode voltage2nd anode voltage 1st anode voltage cut off voltage 15002504001500 minus30-90 deflection factor horizontalvertical4062.522.228.6 Cathode-ray tube for teaching