5-2 94MS20 Rev. B4
Lamp Voltage
The lamp voltage measurement can provide useful information for lamp
striking, lamp output, and level switching information. The meter used
to measure can cause different results. We use caution when using digital
meters in our factory, due to the trigger pulses on the lamp before striking.
The waveforms are not sinusoidal, so different meters may produce
different results. Here is a chart with typical measurements:
MODEL IDLE LOW MED HIGH TRIG. IDLE/LOW MED. HIGH TRIG.
AL15 w/L1150A 180 180 ---- 230 500+ 65-90 --- 110-125 110-125
AL15 w/L1250 180 180 --- 230 500+ 65-90 --- 110-125 110-125
AL19/20 w/L1150A 205 190 210 225 500+ 65-90 80-95 110-125 110-125
AL19/20 w/L1250E 210 205 215 235 500+ 65-80 70-90 80-95 110-125
AL23 w/L1250 205 190 210 225 500+ 65-90 80-95 110-125 110-125
AL23 w/L1252 210 205 215 225 500+ 65-80 70-90 80-95 110-125
AL23 w/L1261 215 210 215 220 500+ 65-80 70-90 80-95 110-125
AL25/25-2 w/L1250 190 190 --- 230 500+ 45-80 --- 100-125 110-125
AL35 w/L1250 190 190 205 235 500+ 60-80 75-95 110-125 110-125
AL35 w/L1252 207 200 *195 235 500+ 65-90 *60-85 100-125 110-125
AL35 w/L1261 200 195 *195 235 500+ 65-90 *60-85 100-125 110-125
AL50 w/L1250 190 185 --- 270 500+ 60-90 --- 110-125 110-125
AL50 w/L1252 207 200 --- 270 500+ 65-90 --- 110-125 110-125
AL50 w/L1261 200 200 --- 270 500+ 65-90 --- 110-125 110-125
AL53/54/54-480/55/
55-480 w/L1250
190 185 225 270 500+ 60-90 95-115 110-125 110-125
AL53/54/54-480/55/
55-480 w/L1252
207 200 225 270 500+ 65-90 85-125 110-125 110-125
AL53/54/54-480/55/
55-480 w/L1261
200 200 225 270 500+ 65-90 85-125 110-125 110-125
AL56/56-480 w/L1280 360-380 360-380 380-410 415-445 500+ 80-95 90-120 115-125 115-125
AL56/56-480 w/L1281 400-430 400-430 420-490 440-510 500+ 80-90 90-120 115-125 115-125
AL56/56-480 w/L1282 400-430 400-430 420-490 440-510 500+ 80-90 90-120 115-125 115-125
AL83/84/84-480/85
w/L1280
370 360 390 425 700+ 80-105 90-125 110-125 110-125
AL83/84/84-480/85
w/L1281
415 395 425 485 700+ 80-115 90-125 110-125 110-125
AL83/84/84-480/85
w/L1282
422 395 430 510 700+ 80-105 90-125 110-125 110-125
*When using the L1252 or L1261 the AL35 has only high and low power.
Lamp Power Path
The basic path that the power to the lamp takes is almost identical for all
units. The basic path is incoming line, main power relay, ballasts,
capacitors, trigger board, and then the lamp. See the point to point wiring
diagrams for each light source in section 7.
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