ANSI C78.387 : 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRIC LAMPS - METAL-HALIDE-LAMPS - METHODS OF MEASURING CHARACTERISTICS
09-08-2004
12-01-2013
Foreword
1 Scope and purpose
2 Normative references
3 Measurement of lamp voltage, current and power
4 Measurement of lamp current crest factor
5 Measurement of starting voltage
6 Measurement of warm-up time
7 Testing lamps at maximum permissible voltage across
lamp terminals
8 Measurement of maximum bulb and base temperature
9 Measurement of lamp reignition-spike voltage
Figures
Figure 1 Reference ballast circuit for metal-halide
lamps
Figure 2 Circuit for measurement of lamp current
crest factor
Figure 3 Circuit for measurement of lamp reignition
voltage, warm-up time and starting
voltage for lamps not requiring pulse start
Figure 4 Circuit for measurement of starting voltage
for a lamp requiring pulse start
Figure 5 Circuit for measurement of maximum voltage
limitations of a lamp not requiring pulse
start
Figure 6 Circuit for measurement of maximum voltage
limitations of a lamp requiring pulse start
Figure 7 Typical lamp reignition-spike voltage of a
metal-halide lamp
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