Introduction
Portable Colorimeter offers measuring aperture of Φ8 mm for accurate color readings across various surface materials. The system is integrated with silicon photoelectric diode for high sensitivity and precise light detection. It has multiple illuminant options for improved accuracy. Our portable colorimeter features high repeatability, providing reliable measurements with minimizing variations between multiple tests.
This analytical equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.Applications
Portable Colorimeter is an advanced tool for measuring the color by quantifying light absorption or reflection. It is widely applied in agriculture and food processing for measuring the color of fruits and to determine the ripeness and freshness of food.
Specifications
| Illuminating Geometry | 8/d |
| Measuring Aperture | Φ8 mm |
| Color Spaces | L× a × b ×C ×h, ×a ×b |
| Color Difference Formula | ΔE × ab, ΔL ×a ×b, ΔE ×C ×h |
| Illuminant | D 65 |
| Repeatability | Standard Deviation within ΔE × ab 0.07 |
| Error Between Each Equipment | ≤ 0.40 ΔE× ab |
| Charging Time | 2 hours |
| Measurement Time Before Charging | 3000 times |
| Operating Temperature | 10 to 40°C |
| Humidity Range | 0 to 85% |
| Storage | 100Pcs Standard, 20000 Pcs Sample |
| Power Supply | 3.7V at 3200mAh |
| Dimension | 205 × 70 ×100mm |
| Weight | 500g |
Features
Cuvette Recognition Option
Automated Firmware Updates
Integrated White Calibration Plate
Extensive Color Space Support
Advanced Power Management Design
FAQs
1. Can Portable Colorimeters measure multiple parameters simultaneously?
Yes, Portable Colorimeters are often designed to measure a wide range of parameters, although they typically analyze one at a time to maintain accuracy and consistency. Advanced models include built-in test methods for multiple analytes such as free and total chlorine, pH, nitrates, nitrites, phosphates, iron, copper, and more. Although simultaneous multi-analyte detection is rare in portable units, their rapid switching capability enables efficient sequential testing. Some models support barcoded reagent systems, ensuring automatic method selection and reducing human error. Users can perform multi-point testing in the field without returning to the lab. The collected data can be synced to cloud platforms or exported to spreadsheets for further analysis. This multi-parameter flexibility makes portable colorimeters invaluable for environmental agencies, health departments, and industrial technicians.
2. How can user calibrate a Portable Colorimeter correctly?
It supplies premium Portable Colorimeter. The calibration can be done byturning on the device and allowing it to warm up if required by the manufacturer. Select the desired test mode or wavelength. Insert a clean cuvette filled with distilled water or a blank solution to zero the instrument—this establishes a baseline for measurement. After zeroing, insert a cuvette containing a standard solution of known concentration to verify or adjust the device’s accuracy. Some colorimeters allow multi-point calibration with different concentrations for creating a calibration curve. modern models offer guided calibration steps on the display or app. Calibration should be performed regularly, especially if the device is used in varying field conditions or with different test parameters. Store calibration data or logs for traceability.
3. What factors affect the accuracy of Portable Colorimeter readings in the field?
advanced Portable Colorimeter have high accuracy. Ambient light interference can affect optical detection, especially if the sample chamber isn't fully enclosed. Sample turbidity or suspended particles can scatter light, leading to false high absorbance values. The cleanliness and optical clarity of the cuvette are crucial fingerprints, scratches, or residue can distort readings. Consistent reagent handling, including accurate dosing and timing, is essential since color development depends on precise chemical reactions. Reagent shelf life and storage conditions must be monitored, as expired chemicals can yield incorrect results. Calibration errors or drift due to prolonged use without recalibration can also cause inaccuracies. Lastly, user technique and consistency are vital-variations in mixing time or reading delay after reagent addition can lead to data inconsistencies.
4. How long do the batteries in a Portable Colorimeter typically last?
Portable Colorimeters depends on the power source, usage frequency, and model specifications. devices can perform between 500 to 1,000 tests per full charge or battery cycle. Units using energy-efficient LEDs and auto-shutdown features tend to conserve power better. Devices with lithium-ion rechargeable batteries can typically operate for several hours of continuous testing, and often support charging for convenience in the field. It’s advisable to carry spare batteries or a power bank when working in remote areas. Some models include a battery level indicator or a low-power alert, helping users avoid unexpected downtime. Solar-powered chargers or vehicle adapters are also available for extended field missions. Overall, the energy efficiency of modern colorimeters ensures uninterrupted performance during long field trips, ensuring you don’t miss critical testing windows.
5. What is the principle of operation behind a Portable Colorimeter?
Portable Colorimeter works based on the Beer-Lambert Law, which relates the absorption of light to the concentration of a solute in a solution. When light of a specific wavelength passes through a colored solution, part of it is absorbed while the rest is transmitted. The device uses an internal light source (typically an ), a monochromatic filter, and a photodetector to measure the intensity of the transmitted light. The difference between the light before and after passing through the sample helps determine the absorbance. This absorbance is directly proportional to the concentration of the analyte being measured. Portable colorimeters come with built-in algorithms to convert raw absorbance values into readable concentration units. Their compact design allows easy field use, especially in water testing, environmental monitoring, and food processing industries. The device ensures fast, reliable, and reproducible results outside the laboratory.
6. What role does sample turbidity play in Portable Colorimeter accuracy?
It supplies Portable Colorimeter with advanced features. Turbid or cloudy samples scatter light can falsely elevate absorbance readings and lead to incorrect concentration values. This is especially critical in low-concentration tests where precision matters. Portable colorimeters with short optical paths or pre-filtered cuvettes help minimize turbidity effects. Sample filtration or centrifugation is recommended before testing turbid liquids. Some advanced models include turbidity compensation algorithms or dual-beam optics. Ensuring sample clarity is a key step in maintaining accuracy. Always follow recommended sample preparation protocols, particularly in field applications where variability is higher. Turbidity can also obscure subtle color shifts, impacting detection limits. Consistent sample clarity checks ensure reproducible and valid results.
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