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TEL-GP4303D Power Supply
The 0-30V 3Amp low-voltage power supply is lightweight, compact and easy to carry. It has a built-in output current limit circuit and a 4 digit green LED digital display for both current and voltage. Ripple is less than 1.5mVp-p. SPECIFICATIONS Output voltage: 0 - 30V continuously variable Output polarity: Positive and Negative Output current: 0 - 3A Ripple voltage: Less than 1.5mVp-p Output stability: Less than 5mV for power source voltage change of + 10%, less than 5mV for load variation of 0 to 100% Volt meter accuracy: + (1% + 1 digit) Ampere meter accuracy: + (1% + 1 digit) Insulation: Between chassis and output terminal : More than 10MW at DC 500V, between chassis and AC plug : More than 50MW at DC 500V Compensation/Protection circuit: Overload protection circuit of constant self-restoring type Ambient temperature range: 0 - 40° C Power source: AC 110/220V, 50/60 Hz Dimension (W x H x D): 131mm x 143mm x 253mm Weight: Approx. 4kg Accessories: Short-circuit bar x 1, fuse x 1 Use with TEL 2502 Helmholtz coils and a filament supply for TEL2533 Hertz tubes.
TEL U8521371 DC Power Supply DC Power Supply Unit 0-300 V, Tube Power Supply Unit for experiments with cathode ray tubes. With the adjustable voltage, that increases or decreases linearly with time, it is also possible to conduct additional experiments on the law of induction and on the charging and discharging of capacitors. The DC voltages 0 - -50 V and 0 - +300 V have a common zero point, so DC voltages of up to 350 V can be tapped. SPECIFICATIONS: Operating voltage: 230/115V AC, 50 (60) Hz Output voltage: 4 to 12V; 400 mA 0 to -50 V; 10 mA 0 to 300V; 200 mA Ramp generator (linear gradient): 2.5 to 50 V/s Dimensions in mm (L x W x H): 240 x 230 x 170 Weight: approx. 3.7 kg
TEL EV11M Power Supply Two separately-regulated, independent supplies provide 0-500 Vdc at 10 mA, 0-50 Vdc at 10 mA and filament voltage taps supplying 1, 2, 3, 4, 5, or 6 Vac. A 7.5cm panel monitors the high voltage. All supplies float relative to ground and interconnect in any order desired. SPECIFICATIONS High Voltage: 0-500 Vdc @ 10 mA Regulation: +/- 4% for line @ load limits Low Voltage: 0-50 Vdc @ 10 mA Ripple: 4% of setting, maximum load Meter: high voltage on 7.5 cm panel meter Heater Voltage: 1, 2, 3, 4, 5, or 6 Vac @ 1A Ground: floating grounds, supplies connect together as desired Connections: eight 4mm banana jacks
TEL 2811 HiVoltage Bias A low power high voltage supply required for use with TEL 2525, and TEL 2524 tubes. A regulated voltage of 0-350V max: 0-50V is continuously variable, then 6 add on steps of 50 volts. Regulation is 1% @ .5 mA max and 10% @ 5mA max. Includes TEL 2014 power plug.
TEL EV-14 Kilovolt Power Supply
Safe, accurate high voltage. Designed for high voltage requirements in the student laboratory, this power supply is safe, sturdy and reliable. Shielded banana jacks provide the 5 kilovolts output from the rear panel, safely away from hands. A digital voltmeter displays the output voltage for greater accuracy than the usual analog meter. We provide a 6.3 Vac filament supply on the rear panel. The output current is limited for safety. Especially useful with Teltron tubes and electrostatic experiments. SPECIFICATIONS Voltage: 0-5 kVdc, 6.3Vac filament output Output Current: 1mA at 5000 Vdc Line Regulation: >1% for 10% line voltage change Load Regulation: 3% for 0 to 500mA Ripple: 0.2% at maximum current Meter: three 1.4 cm high digits on front panel Connections: color-coded 4mm high voltage insulated banana jacks Dimensions: 9.5 h x 26 w x 22 d cm (3.8 x 10 x 8.5 in) Use with TEL 2525 Thomson e/m tube and TEL 2555 Electron Diffraction tube.
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