HITACHI MULTI-PURPOSE RECORDER QPD 53 The Hitachi QPD 53 electronic self-balancing multi-range flatbed recorder has many applications in the field of research and experimentation. Its small size ( 4 1 2 x 1 5 0 x 3 5 2 m m ) and light weight ( l l k g s ) allow the recorder to be operated almost anyplace. Hitachi QPD 53 recorder's main features are: High sensitivity responds to any change up to 0.1% of the full scale. High balancing speed enables the pen to travel across the full scale in less than one second. Horizontal chart feed makes it extremely easy to inscribe check marks on the chart. Other features are: Wide input range of lmV to 10V is available through the eleven-step selector switch. Six chart driving speeds ranging from 240mm/min to 20mm/h are convenient to use. Zero adjuster facilitates shifting the zero point to any position HITACHI on the scale. ^ N ? ' H i t a c h i Ltd. Tokyo Japan For technical information please write to Hitachi, Ltd., Measuring Instrument Departm e n t , International Sales Division, Nippon BIdg., Ohtemachi, Chiyoda-ku, Tokyo, Japan
Circle No. 23 on Readers' Service Card 100 A
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ANALYTICAL CHEMISTRY
Circle No. 24 on Readers' Service Card
