240V Neon Indicator Lamp

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  • Astronomical Spectroscopy for Amateurs
    These are readily obtained from electronics stores, as neon indicator lamps . The operating voltage is usually around 80 V (a suitable resistor in series will drop the mains … This removes the risk of using 110 or 240 V electrical connections at the spectroscope.
  • Testers or Instruments Electronic Circuits, beginning with P's
    Power Loss Indicator -  Dave Campbell designed this clever circuit. It uses two neon lamps to indicate if power to a 120vac appliance had been interrupted. …. The voltmeter has a measuring range of around 50 V that you can centre around 220 or 240 V to suit your needs.
  • Temperature regulators and indicators with strict temperature control
    The series 13000 regulator (see photograph) with luminous neon indicators can be used in three tem- perature ranges: 0-300, The maxi- mum current in the circuit is 15 A at a potential of 100 or 240 V (50-60 cps). Besides the temperature in- dicator (dial) there are two lamps (reading "over" and "under") that are illuminated …
  • Automatic helical-spring stress relaxometer for intermittent or continuous relaxation measurements
    ‘ 240V . … B3, contacts of relay B/3; C1, C2, C3, contacts of relay Cj3; D1, D2, D3, contacts of relay D/3; SI to S11, manually-operated switches; T1 to T12, contacts of synch- ronous timer; LPl, LP2, neon indicator lamps ; LP3, LP4, 24 v …
  • Measurement of thickness of thin transparent films using fluorescence
    L1 = lamp choke Rlz-RzI = 150 kO i I%,* w H.S. . Mi = meter C-looma RTI = rectifier contact, full wave Ci,Cz = 4 LLF450 v , d.c. electrolytic . N1 = neon indicator C ~ I ,Cs = 0.25 &IF 1500v, d.c. paper . TI = 19C-2260v/ 240 v, 15w trans- former . than 0.2%.
  • The vision transmitter for the Sutton Coldfield television station
    … consists of three moving- coil regulators, connected in star and rated to supply 240 kW with an … … the voltage outgoing from the regulator with a standard voltage obtained from a neon discharge tube, and … The h.t. secondary wiring to the rectifier anodes includes h. v . fuses whose main purpose is … The central part of the desk is occupied by the waveform monitor and on the wall behind the desk are the interlock indicator panels on which the closure of any switch is shown by the lighting of a lamp .
  • A vacuum breakthrough assembly for use with standard remote-handling tongs
    _ _ _ _ - - --_I Figure 1 Motor: Croydon Engineering 240 v a.c. 50 Hz single phase separate capacitor; shaft speed 1400/200rev min-1; type 10 worm single train gearbox to 45 rev min-1; torque 25 lb in-1; frame … Indicator lamps : N1, N2, Radiospares miniature panel neons . The neon bulbs N1 indicate that RLA is closed and the motor is running forward, while N2 …
  • A braking circuit for sub-fractional geared motors
    _ _ _ _ - - --_I Figure 1 Motor: Croydon Engineering 240 v a.c. 50 Hz single phase separate capacitor; shaft speed 1400/200rev min-1; type 10 worm single train gearbox to 45 rev min-1; torque 25 lb in-1; frame … Indicator lamps : N1, N2, Radiospares miniature panel neons . The neon bulbs N1 indicate that RLA is closed and the motor is running forward, while N2 …
  • PROCEEDINGS OF THE PHYSIOLOGICAL SOCIETY
    … When the thyratron conducts, its cathode voltage increases sufficiently to light the selected lamp (l14) and L5 … -W; 14, 12 kQ2, 1 W; R15, 12 kQ, 1 W; R16, 270 kQ2, i W, R14,,270 kQ, i W, R14,,10 kQ~, + W; Q1, 0@02 uF, 350 V ; 02, 0@02juF, 350V, 03 … … V4, GT1C;L1.,, are neon indicators type CC7L. + 240 V supply not stabilized.
  • 240 pilot light - Self Help Forums
    I haven't looked at the resistor size of one in a neon test lamp . 50-500 V heck yes, I see a few 240 volt ones here: http://www.idealindustries.com/produ...tor_lights.jsp Radio shack does sell neon indicator lights, but they're all 120 volt and less.