Introduction
An opacity meter is an instrument used to measure the opacity of materials, which is the degree to which light is blocked or prevented from passing through a material, and it is used for quality control and material testing in the paper, printing, packaging, paint, and plastic industries. The opacity of a material is defined as the ratio of the light reflected from a surface when the material is backed by a black body to the light reflected when backed by a white body, and it is expressed as a percentage, with higher values indicating that the material is more opaque and hides the substrate better; the opacity meter illuminates the sample with a standard light source and measures the reflected light with a photodetector under the two backing conditions, and it calculates the opacity according to standard test methods, such as TAPPI T425 for paper. Opacity meters are used in the paper and pulp industry for testing the opacity of paper, which affects print quality and the show-through of printing; in the printing and packaging industry for verifying the hiding power of inks and coatings; in the paint and coating industry for measuring the opacity and hiding power of paints; in the plastics industry for testing films; and in the textile industry, and they are available as benchtop instruments and portable units, with features such as standard light sources, digital displays, and compliance with test standards. With their importance in assessing the hiding power and appearance of materials, opacity meters are essential instruments for quality control in these industries.
Opacity Meter LOM-T2013
Opacity meter offers a measuring range of 0 to 100%, indicating that the opacity meter can accesses the full spectrum from complete transparency (0%) to total opacity (100%). It includes...
Opacity Meter LOM-T2012
Opacity Meter offers a measurement range of 0 to 99.9 %, allowing for detailed analysis of material transparency. It features multi -channel measurement for simultaneously measuring opac...
Opacity Meter LOM-T2011
Opacity Meter can measure opacity within the range of 0 to 100% with a repeatability of 1.5%. Its compact and lightweight design makes it effortlessly portable and user-friendly. Feature...
Opacity Meter LOM-T2010
Opacity Meter is a portable unit with 0 to 100 % opacity measurement range, complies with international standards. It has microcomputer control system which accurately determines the opa...
Standards
ISO 6504-1:2019-Paints and varnishes-Determination of hiding power-White and light-coloured paints
Complies with the above standards, but is not limited to them.
Features
1. Opacity meter for measuring smoke and particulate opacity in stack emissions.
2. Optical transmissometer for continuous opacity monitoring of exhaust gases.
3. Suitable for power plants, industrial boilers, cement, steel and waste incineration.
4. Includes light source, receiver, controller, data logging and operation manual.
5. Supports regulatory compliance monitoring for particulate emissions.
FAQ
Q1: What testing scenarios is this meter mainly applied to?
A: The opacity meter is used in power plants, industrial boilers, cement manufacturing, steel mills, waste incineration facilities, chemical plants and industrial processes to continuously measure the opacity (light obscuration) of flue gas and stack emissions for regulatory compliance and particulate emission monitoring. It supports coal-fired power plant stack opacity monitoring, industrial boiler emission monitoring, cement kiln particulate control, steel mill furnace emission monitoring, waste incineration plant opacity monitoring, and industrial process emission compliance reporting. The optical transmissometer measures the attenuation of a light beam across the stack to determine the percentage of opacity, indicating particulate loading and emission control effectiveness. It is essential for power, cement, steel, waste incineration and industrial facilities requiring continuous opacity monitoring for regulatory compliance, emission control, equipment performance monitoring and environmental reporting, where opacity is a regulated indicator of particulate emissions from combustion and industrial processes, requiring continuous, reliable measurement for compliance with environmental regulations, CEMS (continuous emissions monitoring system) requirements and pollution control effectiveness in industrial facilities with stack emissions.
Q2: What standards does the meter comply with?
A: The opacity meter follows US EPA Performance Specification 1 (PS-1) for opacity monitors, ASTM D6216, ISO 10394 for smoke measurement, and relevant GB/T and HJ standards for continuous emission monitoring. The instrument complies with applicable industrial safety and electromagnetic compatibility standards. Calibration and certification should follow regulatory requirements including relative accuracy test audit (RATA).
Q3: What is the warranty period for the whole machine and key components?
A: The whole opacity meter including optical heads is covered by a 12-month warranty. The light source, receiver, controller and electronics are covered, while bulbs, lenses, air purge supplies and cables are consumables or accessories. Damage from improper installation, stack environment exposure or unauthorized repair is excluded. Extended service contracts are standard for CEMS equipment.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires specialist training in CEMS, opacity monitoring, regulatory requirements and instrument maintenance. We provide comprehensive training, operation manuals and application support. Proper installation alignment, calibration, optical path maintenance, air purge system operation and data reporting are essential for compliant opacity monitoring.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Daily zero and span calibration per regulatory requirements. Optical lens cleaning and inspection per schedule based on stack conditions. Air purge system maintenance regularly. Annual RATA (relative accuracy test audit) per regulations. Light source replacement per usage hours. Full system performance verification per CEMS quality assurance requirements.
Q7: Are supporting consumables universal?
A: Bulbs, lenses, air filters and calibration accessories are available from specialized suppliers, though instrument-specific parts should be verified. Long-term consumable and maintenance cost is significant for CEMS equipment operating in harsh stack environments.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes stack diameter, path length, optical configuration, air purge system, communication protocol and data acquisition. Custom orders require site survey and specification, extending lead-time. Users should provide stack dimensions, gas conditions and regulatory requirements before configuration.
Q9: Does the purchase include on-site installation and commissioning service?
A: Yes, opacity meters for CEMS include on-site installation, alignment, calibration, initial RATA and operator training by certified CEMS specialists. Site preparation guidance including stack access, power, air supply and communication is provided before delivery.
Q10: What types of emissions are compatible with this equipment?
A: The opacity meter measures opacity of flue gas and stack emissions within the optical path length, particulate loading and gas conditions. Very high particulate loading may exceed the measurement range. Condensation, corrosive gases and high temperatures may require special protection and materials. Users should install the instrument per manufacturer and regulatory requirements including proper stack location, maintain optical alignment, keep lenses clean with air purge, perform daily calibration, conduct annual RATA per regulations, ensure proper data acquisition and reporting, and follow all applicable environmental regulations for CEMS operation, maintenance and quality assurance. The instrument should be operated by qualified personnel and maintained per the approved quality assurance plan.
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