Comparator 3000 Series OPERATORS INSTRUCTION MANUAL - Cole-Parmer
Comparator 3000 Series OPERATORS INSTRUCTION MANUAL CODE: 303399 ISSUE NO: V1.2
Contents Introduction 1 Information Permanent Colour Glass Standards Special Disc Service Colorimetric Chemical Analytical Methods 2 2 3 Technical Specifications 3 Parts Diagram 4 Operating Instructions Comparator 3000 Series 5 Operating Instructions for measuring ASTM Color scale on the Comparator 3000 Series 7 Reading the ASTM Discs 9 Maintenance Replacing the Lamp Cleaning the Glass Standards Cleaning the Optical Cells 10 10 10 Accessories / Spare Parts High Quality Optical Cells Optional Extras 11 12 Sales Offices 13
Comparator 3000 Series Introduction The Lovibond Comparator 3000 Series instruments are single scale 3-field instruments used for visual grading to determine the colour of a sample, achieved by direct comparison of Lovibond Glass Standards and the liquid sample. To achieve rapid colour grading within pre-determined colour limits, the glass standards are mounted in two discs so that it is easy to check that the sample is within tolerance. The two discs containing the relevant colour scale are brought together by a prism and viewed simultaneously alongside the sample making it easier to achieve an optimum match. When seen through the prism, the sample is viewed in the centre. The colour standards are viewed either side of the sample, as in the following diagram: Colour Standard Sample Colour Standard The human eye perceives colour differently according to the lighting conditions, so constant lighting conditions are essential for consistent colour comparison. The Comparator 3000 Series uses a tungsten halogen lamp which is colour corrected to CIE standard Illuminant C to produce a consistent light source. 1
The Comparator 3000 Series are available to measure the following colour scales.: Comparator 3000 Series ASTM Color EBC Colour FAC Colour Gardner Color Order Code 34 50 30 34 50 00 34 50 20 34 50 10 Information Permanent Colour Glass Standards The colour standards for use with the Comparator 3000 Series consist of flat chemically produced glass. Unlike plastics, Lovibond permanently coloured glass standards are guaranteed not to fade with continuous exposure to daylight and will give reliable accurate results every time. The standards are mounted into a disc which is easily positioned in the Comparator 3000 Series. Special Disc Service The Tintometer Ltd. is able to produced customised glass standards to suit your requirements, for special chemical and colorimetric analysis. The Company has great experience in the development of such standards, and they are manufactured in accordance with the procedures required by The Tintometer Ltd’s ISO 9001 certification. The standards are mounted in a disc for use with the Lovibond Comparator 3000 Series. 2
“Colorimetric Chemical Analytical Methods” – CCAM This CD, now in its 9th edition, is a comprehensive reference for the chemical methods used for the range of Lovibond discs. The Individual methods and techniques are clearly laid out, enabling the reader to see the principles of the various chemical methods as well as the actual techniques for carrying out the tests. The order code for this CD is 17 02 00. Technical Specifications Specification Light Source Optical System Sample Requirements Description 12V 20 Watt Tungsten Halogen Fully Prismatic Sample, Glass Cells and Lovibond Glass Colour Standards Moulded Fire Retardant ABS Instrument Housing Power Pack: Input Voltage Output voltage Power Consumption Operating Temperature Range Dimensions: Weight: Technical Assistance 100-240V 12V DC 2 amps 20 Watts (Max). -10 C to 70 C 231w x 273l x 142h 1.5 Kg Technical Services Department The Tintometer Ltd Lovibond House Solar Way Solstice Park Amesbury. SP4 7SZ Tel: 44 (0) 1980 446800 Fax: 44 (0) 1980 625412 E-mail: sales@tintometer.com 3
Parts Diagram Lid Top White Tray Sample chamber Halogen Lamp Disc On/Off switch Disc Knobs 4
Operating Instructions for the Comparator 3000 Series All scales except ASTM color See test method or sample preparation for instructions on sample liquid. Min 50 mm Height 5
Press Once 1 minute illumination Press twice 2 minutes illumination Press three times 3 minutes illumination Press and Hold Off Colour Standard Sample Colour Standard Note: The best colour match is obtained by viewing with one eye closed Rotate the discs by turning the knobs on the front of the instrument until the oil sample matches or falls between two Colour Standards. A reading can then be taken from the disc. FAC / EBC:- To change the disc pair: open the lid, pull the knobs and lift out the discs. To insert the discs: pull the knobs, insert the discs and rotate the knobs until they engage in the discs. 6
Operating Instructions for measuring ASTM colour scale on the Comparator 3000 Series 1/2 1/2
Press Once 1 minute illumination Press twice 2 minutes illumination Press three times 3 minutes illumination Press and Hold Off Colour Standard Sample Colour Standard 8
Reading the Petroleum Oil - ASTM Discs NOTE: The best colour match is obtained by viewing with one eye closed. Rotate the discs by turning the knobs on the front of the instrument until the oil sample matches or falls between two Colour Standard. A reading can then be taken from the disc. If the sample is not clear, heat to 6 C above its cloud point and measure the colour at that temperature. Petroleum waxes including Petrolatum, should be heated to 11 C to 17 C above the congealing point. If the sample is darker that 8 ASTM color, mix 15 volumes of sample with 85 volumes of solvent kerosene. Report to one colour standard e.g. 7.5 ASTM Color If the colour falls between two standards report to the colour darker than the sample and precede it by LIGHTER THAN or “L” e.g. LIGHTER THAN 7.5 ASTM Color or L7.5 ASTM Color. If diluted add “DIL” after the colour e.g L7.5 DIL ASTM Color 9
Maintenance Replacing the lamp Always disconnect the Comparator 3000 Series from the main power supply before removing the cover Undo the four screws on the case using a suitable screwdriver Lift the top clear of the unit. The lamp housing is located on the base. Allow the lamp to cool before removing Remove the old lamp and replace with the new in the same position, using the protective sleeve. NOTE: always avoid touching the lamp as this can significantly reduce the life of the lamp. Replace the cover. To maintain the performance of the Comparator 3000 Series instrument, spillages on the instrument and in the sample chamber should be cleaned up immediately. Should a spillage occur in the sample chamber, simply remove the cell or glass tubes, remove the sample chamber and clean. Cleaning the Glass Standards To clean the glass standards simply remove from the unit by lifting the lid, pulling the knob and lifting out the disc containing the glass standards. The standards can be cleaned with a lens tissue and polished with a soft lint free cloth or brush. Cleaning the Optical Cells and Tubes The optical cells and Tubes should be emptied and rinsed with a suitable solvent, washed in laboratory detergent, rinsed in distilled water and allowed to dry. Avoid vigorous scrubbing which may scratch the glass and impair the luminance. 10
Accessories / spare parts Lovibond High Quality Optical Cells Precision fused glass cells and moulded glass tubes are made to the highest quality standards. The cells perform an important dual function in the Comparator System. Not only do they serve to contain the sample being analysed, but the intensity of the colour sample is directly proportional to the optical path length of the cell. For this reason it is important to use cells with a path length matched to the colour standards and the disk. Description Gardner / FAC Test Tube AF228T AF763 Reference Tube (ASTM D1500) W680 2.5 mm fused glass cell W680 5 mm W680 10 mm W680 15 mm W680 20 mm W680 25 mm W680 33 mm W680 40 mm 11 Order Code 35 22 80 35 76 30 60 67 80 60 67 90 60 68 10 60 68 40 60 68 50 60 68 60 60 68 80 60 68 90
Optional Extras Description Tungsten Halogen Lamp 12V 20W 4/30-1 Gardner Comparator 3000 disc 4/30-2 Gardner Comparator 3000 disc 4/32A FAC/A Comparator 3000 disc 4/32B FAC/B Comparator 3000 disc 4/32C FAC/C Comparator 3000 disc 4/32D FAC/D Comparator 3000 disc EBC/1 Comparator 3000 disc EBC/2 Comparator 3000 disc EBC/3 Comparator 3000 disc EBC/4 Comparator 3000 disc ASTM D1500 Comparator 3000 disc 0.5 - 7.5 ASTM D1500 Comparator 3000 disc 1.0 – 8.0 Certificate of Conformity for new discs (order with discs) Conformance Filter Recertification (Certificate of Conformity) Colour Disc Calibration (ISO 9001 Calibration Certificate) 12 Order Code 12 23 40 24 00 10 24 00 20 24 02 10 24 02 20 24 02 30 24 02 40 24 04 50 24 04 60 24 04 70 24 04 80 24 02 80 24 02 90 QA1 QD2 CAL2
Sales offices Germany United Kingdom Tintometer GmbH Schleefstr. 8-12 DE 44287 Dortmund Germany The Tintometer Ltd Lovibond House Solar Way Solstice Park Amesbury SP4 7SZ Tel: ( 49) (0)231 945100 Email: sales@tintometer.de Website: www.tintometer.de Tel: 44(0)1980 664800 Fax: 44(0) 1980 625412 Email: sales@tintometer.com Website: www.tintometer.com North America South East Asia @ Orbeco Hellige, Inc 6456 Parkland Drive Sarasota Florida 34243 USA Tel: 941 756 6410 Email: Lovibond@orbeco.com Website: www.orbeco.com TINTOMETER South East Asia Unit C-11-3A, 3 Two Square, No. 2, Jalan 19/1, Petaling Jaya, 46300, Selangor D.E MALAYSIA. Tel: 60(0) 3 7955 4013 Fax: 60(0) 3 7955 4014 Email: sam.chui@tintometer.com Website: www.tintometer.com Switzerland Tintometer AG CH5212 Hausen Switzerland Tel: ( 41) 56 442 2829 Email: info@tintometer.ch Lovibond and Tintometer are registered trade marks of The Tintometer Ltd. Amesbury, UK. All translations and transliterations of Lovibond and Tintometer are asserted as trade marks of The Tintometer Ltd. 13
ASTM D1500 Comparator 3000 disc 0.5 - 7.5 24 02 80 ASTM D1500 Comparator 3000 disc 1.0 - 8.0 24 02 90 Certificate of Conformity for new discs (order with discs) QA1 Conformance Filter Recertification (Certificate of Conformity) QD2 Colour Disc Calibration (ISO 9001 Calibration Certificate) CAL2 12
CMOS COMPARATOR 1. Comparator Design Specifications Vo (Vin - Vin-) VOH VOL (Vin - Vin-) VOH VOL VIL VIH (Vin - Vin-) VOH VOL VIL VIH VOS (b) (c) (a) Figure 1. Comparator Transfer Characteristics. A comparator is a circuit that has binary output. Ideally
V VV. Comparator. X o K Lower-gain Amplifier-Based Comparator. V DD V B1 M 1 M 2 V B2 M 3 M 4 V IN V IN M 9 C L C L V OUT V OUT Amplifier-Based Comparator with Regenerative Feedback. Amplifier-Based Comparator with Regenerative Feedback. At the start of the comparison process, an amplifier-based comparator behaves as a linear amplifier.
In this paper, the 8-bit comparator circuit designs that use as the higher number of bits are proposed. The comparative design and analysis of 4-bit comparator and 8-bit comparator using GDI logic. For com
1.2.1 A high-speed CMOS comparator with 8-bit resolution A high-speed CMOS comparator is shown in figure 1.2. The comparator consists of three blocks, an input stage, a flip-flop and SR latch. The architecture uses two non-overlapping clocks ( 1and 2). The circuit operates in two m
The comparator is shipped fully assembled. It is ready to use after unpacking and installing the glass screen included. 1. Remove the comparator from the shipping container. The glass screen is packed in a separate box. Place the comparator on a bench and remove the packing materials. 2. Refer to Figure 1.
amplifiers and the higher the comparator's parasitic input capacitances. As an alternative to the traditional methods, we propose using calibration as an extra design variable for dealing with comparator offset in pipeline ADCs, with the target of simplifying comparator design and relaxing the OS and driving requirements of MDAC op-amps.
The optical comparator is widely used in calibration labs or on the shop floor as a stand-alone unit. It's also a good choice for general . The accuracy of PV-3000 series optical comparator can reach the international level. 1. Max travel distance can be up to 250 x 150 x 100 2. High precision table design can afford load of 50 kgs without .
HB9DUJ hb9duj@uska.ch HB3YFM hb3yfm@hb9g.ch Comité 2003-2004. REDACTION HB9AFP HB9G-94 PAGE 3 Calendrier 2004 18 septembre Journée porte-ouverte 10 octobre Chasse au renard, à partir de 11 heures, rendez-vous à Soral, lieu du Field-Day. 21 octobre Elaboration fichier ORNI 18 novembre Stamm spécial oscilloscope 20 novembre Gastro annuel au local: traditionnelle râclette offerte par le .
