Hitachi vl-21a instruction manual Measurement Conditions Standard Measurement Conditions

Models: vl-21a

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9.Appendix 2

9.1Measurement Conditions

Standard Measurement Conditions

Supplied Voltage

DC 12 volts ± 0.5 volts

 

 

Ambient Temperature

23° C

 

 

Humidity

60% RH

 

 

Measurement Fixture

Video Output, DC input, RS-232C level Convert (5Vp-p -> 12Vp-p)

 

 

Power Supply

12 volts ± 0.5 volts

 

 

Color Monitor

CMM20 - 11, Shibasoku or Equivalent

 

 

Monochrome Monitor

More than 800 TV Lines of Resolution

 

 

Waveform / Vector Scope

1720A, Tektronix or Equivalent

 

 

S/N (Signal to Noise) Meter

VN31AX, Shibasoku or Equivalent

 

 

Illumination Meter / Color

XY - 1 / CL - 100, Minolta Camera or Equivalent

Temperature Meter

 

 

 

Light Box

Dai Nippon Printing Co.

 

-Color Temperature 3200° K ± 100° K

 

-Illumination More than 2000 lux

 

 

Test Charts

(Transparent Chart)

 

Color Bar Chart, Dai Nippon Printing Co.

 

Gray Scale Chart, Dai Nippon Printing Co. (Gamma 0.45)

 

Resolution Chart, Dai Nippon Printing Co. (Reflective Chart)

 

Gray Scale Chart, Murakami Color Research Lab

 

 

Light Source

Halogen Lamp (with Dimmer Switch)

 

Color Temperature 3200° K ± 100° K

 

Illumination Variable with Dimmer

 

 

Color Temperature Filter

LB 140, Hoya or Kenko or Equivalent

 

(Color Temperature Conversion Filter)

 

 

Adjustment PC

With Serial Port 1 or 2

 

 

RS-232C Cable

Each Terminal Connector (D-Sub 9 pin)

 

 

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Hitachi vl-21a instruction manual Measurement Conditions Standard Measurement Conditions