X-Rite 361T Black&White Transmission Densitometer Manuel d'instructions

361T B/W TRANSMISSION DENSITOMETER Operation Manual

CHAPTER ONE 1-2 [6] READ HEAD - is the component that contains the optics which comes in contact with your film when taking measurements. [7] POWER SW

OVERVIEW AND SETUP 1-3 Features Electronic Filter Selection - eliminates the problems that mechanical filter wheels create. Large Liquid Crystal Displ

CHAPTER ONE 1-4 Apply Power and Display Angle Adjustment NOTE: If the unit has been stored in an abnormal (cold) environment, DO NOT apply power to t

361T DENSITOMETER 2-12. User Interface Key Description The Keyboard consists of three key switches, the [FUNCTION] d key, the [COLOR] c key, and the

CHAPTER TWO 2-2 DISPLAY CONTRAST • Rotate the wheel to the back (+) to increase contrast or to the front (-) to decrease contrast. Function Selecti

USER INTERFACE 2-3 NOTE: If DEN is the only function that can be activated, refer to "311 Emulation" to turn it Off. Color Selection The

CHAPTER TWO 2-4 Reference and Base Entry Reference values are values, which are subtracted from each density measurement to display a density differen

USER INTERFACE 2-5 Base Entry The Base value is usually set to 0% for +DOT and 100% for -DOT, or adjusted to a value equal to a known minimum (base) d

CHAPTER TWO 2-6 MESSAGE REASON condition (if lamp was OK or replaced) by pressing [FUNCTION], then [COLOR], then [FUNCTION]. MEM TEST: The memory i

361T DENSITOMETER 3-13. Measurement Procedures Density Function The DEN function allows you to take density and density difference measurements.

CHAPTER THREE 3-2 -DOT Function −Dot allows negative dot measurements with zeroing to the Base Dot value. −Dot can be calculated for a Base equal t

MEASUREMENT PROCEDURES 3-3 1. Repeatedly depress the [FUNCTION] key until "SEQUENCE" is displayed. (If sequence does not appear, refer to &

CHAPTER THREE 3-4

361T DENSITOMETER 4-14. Calibration General Information The X-Rite 361T is designed for long life and extremely stable measurements. To follow good

CHAPTER FOUR 4-2 5. Enter the correct Cal Hi value for Ortho (as marked on the step tablet) by pressing and holding dc (ZERO) down and using the d (

INSTRUMENT CALIBRATION 4-3 N-Factor Adjustment Procedure NOTE: Transmission dot "N-factor" is calibrated at the factory and therefore sho

CHAPTER FOUR 4-4 Quick CAL™ Procedure Quick Cal™ provides you with an easy means of re-establishing zero (Calibration Low). This method is included

361T DENSITOMETER 5-15. Mode Selection General Information The Mode function controls four factors: x10 On/Off, I/O Port set-up, Sequence setup, and

CHAPTER FIVE 5-2 I/O Port Selection Your X-Rite 361T comes equipped with a serial port that allows data to be transmitted and/or received by the 361T

MODE SELECTION 5-3 The procedure for setting the I/O port options is shown below. 1. Depress [FUNCTION] and [COLOR] keys at the same time until "

361T DENSITOMETER Federal Communications Commission Notice This equipment has been tested and found to comply with the limits for a Class A digital d

CHAPTER FIVE 5-4 Setting the Sequence Structure Sequence allows you to setup a measurement routine that fits your individual quality control requireme

MODE SELECTION 5-5 The procedure for setting Sequence structure is shown below. 1. Depress [FUNCTION] and [COLOR] keys at the same time until "N

CHAPTER FIVE 5-6 Read Lamp ON/OFF This feature allows the densitometer to automatically turn the Read lamp OFF after 2 hours of instrument non-use. Ha

361T DENSITOMETER 6-16. Serial Interface Interconnect and Definition The 25-pin connector used for serial input/output is a DB25S type. Below is the

CHAPTER SIX 6-2 A typical interconnection (in its simplest form) between the 361T and a computer is shown below. 361T COMPUTER W/DB25 Receive Data

SERIAL INTERFACE 6-3 Instruction Format In general, the format used as the command string for serial input is as follows: 1 2 3 4 DATA — ADDRESS —

CHAPTER SIX 6-4 J [KEY ENABLE] is used to enable or disable all keys (with the exception of the Read button) from altering the operation of the unit.

SERIAL INTERFACE 6-5 L [LOAD] writes Data to the external RAM memory location Address. Data must be designated as 2 hexadecimal characters and the Ad

CHAPTER SIX 6-6 T [BAUD] is used to change the baud rate of the 361T. The unit must receive the following as the address and the action codes portion

SERIAL INTERFACE 6-7 W [WRITE] writes Data to the Address location of the microprocessor's internal RAM memory. This action causes the 361T to r

361T DENSITOMETER ii CAUTION: To prevent electrical shock. DO NOT remove cover. No user serviceable parts inside. Refer servicing to qualified service

CHAPTER SIX 6-8 Z [DISPLAY ENABLE] is used to enable or disable the display from being updated with data that occurs from normal operation. This swit

SERIAL INTERFACE 6-9 Internal RAM Data Addresses The Internal RAM Data Addresses are used to access parameters not handled by action codes. The follow

CHAPTER SIX 6-10 External RAM Data Addresses The External RAM Data Addresses are used to access data values, reference values, and other values. The f

SERIAL INTERFACE 6-11 NAME ADDRESS DATA PARAMETERS Step 34,35 24A , 24B 1 Byte Step 36,27 24C , 24D Sequence Data ORTHO UV Step 0 250

CHAPTER SIX 6-12 NAME ADDRESS DATA PARAMETERS CAL HI ORTHO 05A , 05B 2 Bytes UV 066 , 067 2 Bytes SKIP PROMPTS 700 1 Byte Wr

361T DENSITOMETER 7-17. Maintenance General The X-Rite 361T is covered by a one-year limited warranty (excluding lamps) and should be referred to th

CHAPTER SEVEN 7-2 Aperture Replacement & Cleaning APERTURE REPLACEMENT 1. Remove aperture [1] by wedging edge of aperture upwards with fingernail

MAINTENANCE 7-3 Beam Splitter Cleaning 1. Remove aperture as described in "Exterior Cleaning". 2. Clean residue from Beam Splitter [1] wit

CHAPTER SEVEN 7-4 Lamp Replacement AS A ROUTINE MAINTENANCE PROCEDURE, replace the read lamp after every 1200 hours of operation. This allows approxim

MAINTENANCE 7-5 ALIGNMENT CHECK 8. Set unit upright, plug line cord into wall receptacle, and turn power switch to "ON" position. 9. Locat

361T DENSITOMETER iii Table of Contents 1. Overview and Setup... 1-1 Instrument

CHAPTER SEVEN 7-6 ALIGNMENT CHECK (continued) 12. Unplug line cord then loosen two Phillips-head screws 6 in bottom of lamp assembly. 13. Set front

MAINTENANCE 7-7 Fuse Replacement [DISCONNECT LINE CORD BEFORE SERVICING] 1. Insert flatblade screwdriver into slot of fuse cap [1]. 2. Push in and t

CHAPTER SEVEN 7-8

361T DENSITOMETER 8-18. Appendix Technical Specifications PARAMETER SPECIFICATION Display 8 character LCD, 9.4mm H w/ EL backlighting Measuring Rang

CHAPTER EIGHT 8-2 PARAMETER SPECIFICATION Response Orthochromatic X-RITE Ortho Ultraviolet X-RITE U.V. Visual (optional) X-RITE Visual Color Tem

APPENDIX 8-3 Optional Equipment There are six models of the 361 Reflection Head that are available to interface with the 361T Transmission unit. Model

CHAPTER EIGHT 8-4 Interface Cables available: P/N 361-69 Transmission/Reflection Interface Cable P/N 361-83 DB25P to 10 Circuit Modular Interfac

361T DENSITOMETER iv 5. Mode Selection... 5-1 General Information...

Corporate Headquarters - USA 4300 44th Street SE Grand Rapids, Michigan 49512 Phone 1 800 248 9748 or 1 616 803 2100 Fax 1 800 292 4437 or 1 616 803

361T DENSITOMETER v Proprietary Notice The information contained in this manual is derived from patent and proprietary data of X-Rite, Incorporated. T

361T DENSITOMETER vi This agreement shall be interpreted in accordance with the laws of the State of Michigan and jurisdiction and venue shall lie wit

361T DENSITOMETER 1-11. Overview and Setup Instrument Description The X-Rite 361T is a B/W Transmission densitometer designed to meet the quality co