Leitz dp-digital double-beam photo meter instructions. Available to purchase for immediate download. Below is an extract from the manual converted to text for a quick impression on the content. Leitz dp-digital double-beam photo meter instructionsDP-digital Double-beam photometer for the ultra-violet and visible region of the spectrum1.1Unpacking.............. 1.2 Assembly and connection 1.3 Connection of peripheral accessories 1.4 First operation and functional tests 2 Technical description 2.1 General hints. 2.2 Control elements on the photometer and the supply unit. 2.3 Data acquisition unit 2.4 Automatic cell changer 2.5 Standard cell holder 2.6 Temperature - controlled cell holder 2.7Cells................ 2.8 Timing mechanism (external) 3 Operation of the photometer for the measurement: of extinction E or transmission T 3.1 First operation 3.2 Preparation of measurement and balance 3.3 Execution of the measurement 3.4 Completion of the measurement 4 Operation of the photometer lor the measurement of concentration C. 4.1 First operation 4.2 Preparation of measurement and balance 4.3 Execution of the measurement. 4.4 Completion of the measurement 5 Operation of the photometer with the pen recorder connected 5.1 First operation 5.2 Preparation of measurement and balance 5.3 Execution of the measurement 5.4 Completion of the measurement 6 Operation of the photometer with the printer connectedFirst operation Preparation of measurement and balance Execution of the measurement Completion of the measurement Operation of the photometer with bench computer connected . . . . . . . . . t First operation Preparation of measurement and balance Execution of the measurement Completion of the measurement Operation of the photometer with automatic cell change First operation Preparation of measurement and balance Execution of the measurement. Completion of the measurement Use with external timing device Execution of the measurement without cell change Lampchange. Opening the lamp housing Exchanging the mercury vapour lamp Exchanging the tungsten filament lamp Exchanging the holophotal lamp Adjustment of the lamps Closing the lamp housing Care and maintenance