Rheostat Resistance Resistance:4.5 Ohm / 9.0 A When a spectrum tube is

When a spectrum tube is placed in a spectrum tube power supply and the power supply is turned on

display value: 1999

Measuring Range: 0 to 40kLux (0 to 4kFC) with 2-inch LCD screen and 40-segment bar graph

Clear Structure Display: The kidney model

Rheostat Resistance Resistance:4.5 Ohm / 9.0 A When a spectrum tube isDifferent Rheostats: Rheostat 4. 5 Ohm Rheostat 16 Ohm Rheostat 20 Ohm Rheostat 135 Ohm Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.