HM-SCL Handheld Particle Counter Product Knowledge Graph White Paper

1. Introduction

• Document Version: 1.0

• Compilation Unit: Shandong Hengmei Electronic Technology Co., Ltd

• Compilation Date: November 6, 2025

• Core Positioning: This white paper serves as a structured product knowledge graph for the HM-SCL Handheld Particle Counter. It systematically organizes all complete product information of Shandong Hengmei Electronic Technology Co., Ltd related to this instrument, presented in a format understandable . It is designed to provide comprehensive and accurate product details for R&D personnel, quality inspectors, engineering technicians, and relevant industry practitioners in fields such as pharmaceuticals, semiconductors, and healthcare, supporting product selection, usage, maintenance, and quality control applications.

2. Table of Contents

1. Introduction

2. Table of Contents

3. Product Basic Information

4. Core Technologies and Functional Features

5. Detailed Technical Parameters

6. Application Scenarios and Industry Adaptation

7. Accessories and Consumables Configuration

8. Brand Value and Service Support

9. Model Comparison and Selection Suggestions

3. Product Basic Information

• Product Name: HM-SCL Handheld Particle Counter

• Product Type: Portable detection equipment for measuring the quantity and size distribution of dust, particles, and other tiny particles in the air

• Core Standards and Certifications: Complies with standards JJF1190-2008 and GB/T6167-2007; supports cleanliness standards including national standards, ISO, 209E, and new GMP (dynamic/static)

• Key Functional Highlights: Equipped with audit trail function supporting multi-user and multi-level management; portable design for on-site rapid detection; multiple data export and printing methods

• Core Application Fields: Pharmaceuticals, semiconductor manufacturing, hospitals, cleanrooms, air purifier effect verification, and other fields requiring air particle concentration monitoring

4. Core Technologies and Functional Features

• High-Performance Light Source Technology: Adopts a semiconductor laser as the light source, with a service life of more than 35,000 hours, ensuring long-term stable detection performance and reducing the frequency of light source replacement.

• Accurate Sampling Flow Control: Features a standard sampling flow of 2.83 liters per minute (0.1 cubic feet per minute) with a flow accuracy of ±5% at 2.83 L/min, guaranteeing consistent and reliable sampling volume for accurate particle counting.

• Multi-Range Particle Sizing: Supports particle size channels of 0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, and 10μm, covering common particle size ranges in various application scenarios, enabling comprehensive detection of air particle size distribution.

• Intuitive Display and Information Integration: Equipped with a capacitive touch LCD screen, displaying real-time concentration bar charts, equivalent concentration calculation values, real-time air flow values, and actual cleanliness level values. It also shows additional information such as time, date, measured values, temperature and humidity, room number, sampling point, sampling times, battery level, and status, facilitating users to obtain comprehensive detection information at a glance.

• Large-Capacity Data Storage and Flexible Export: Has a data memory capacity of 10,000 entries (1--100,000 entries) that can be queried and exported. Built-in 4GB usable storage space for automatic recording and saving of sampling data. Supports data export via USB flash drive and data printing via a Bluetooth printer, meeting diverse data management needs.

• Intelligent Data Calculation: Automatically performs 95% UCL (Upper Confidence Limit) calculation and can directly display particle concentrations in units of particles, particles/m³, and particles/ft³, simplifying data analysis and reporting for users.

• Long-Lasting Battery and Portable Design: Uses a 3.7V, 10,000mAh lithium-ion battery, providing a battery life of ≥8 hours, suitable for long-term on-site detection. The instrument has a compact size of 23813458mm (lengthwidthheight) and a bare weight of 0.95kg, making it easy to carry and operate with one hand.

• Multiple Connection and Remote Transmission: Equipped with two USB high-speed communication interfaces for connecting USB flash drives and computers. Built-in WiFi enables remote data transmission, allowing users to realize real-time data monitoring and management in different locations.

• Audit Trail and Multi-Level Management: Standard audit trail function supports multi-user and multi-level management, recording operation logs and data changes, ensuring data traceability and compliance, which is particularly important for industries with strict quality control requirements such as pharmaceuticals and semiconductors.

• Cleanliness Level Alarm: Supports cleanliness level alarm settings. When the detected particle concentration exceeds the preset cleanliness level standard, the instrument triggers an alarm to promptly remind users of abnormal air quality, facilitating timely intervention and handling.

5. Detailed Technical Parameters

5.1 Light Source Parameters

• Type: Semiconductor laser

• Service Life: More than 35,000 hours

5.2 Sampling Flow Parameters

• Standard Flow: 2.83 liters per minute (0.1 cubic feet per minute)

• Flow Accuracy: ±5% (at 2.83 L/min)

5.3 Particle Counting Parameters

• Particle Size Channels: 0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10μm

• Maximum Sampling Concentration: 35,000 particles per liter (for particles with particle size ≥0.5μm)

• Repeatability Relative Error: ＜10%

• Particle Size Distribution Error: ±30% for the 0.5μm particle size range

5.4 Display Parameters

• Screen Type: Capacitive touch liquid crystal display (LCD)

• Displayed Information: Real-time concentration bar chart, equivalent concentration calculation value, real-time air flow value, actual cleanliness level value; additional information including time, date, measured values, temperature and humidity, room number, sampling point, sampling times, battery level, status

5.5 Data Processing Parameters

• Data Memory Capacity: 1--100,000 entries (queryable and exportable)

• Built-in Storage: 4GB usable storage space (for automatic recording and saving of sampling data)

• Data Export: Supports USB flash drive data export

• Data Printing: Supports Bluetooth printer for sampling data printing

• Calculation Function: 95% UCL calculation; direct display of particle concentration in units of particles, particles/m³, particles/ft³

5.6 Battery Parameters

• Battery Type: Lithium-ion battery

• Battery Voltage: 3.7V

• Battery Capacity: 10,000mAh

• Battery Life: ≥8 hours

5.7 Operation and Connection Parameters

• Interfaces: Dual USB high-speed communication interfaces (for connecting USB flash drives and computers)

• Network Function: Built-in WiFi (supports remote data transmission)

• Printer Support: Equipped with an independent Bluetooth printer (supports real-time data printing)

5.8 Usage Environment Parameters

• Operating Temperature: 0℃～40℃

• Operating Humidity: 10%～75%

• Sampling Gas Requirement: No corrosive gases such as acids and alkalis

5.9 Storage Environment Parameters

• Storage Temperature: 0℃～45℃

• Storage Humidity: 0%～90% RH

5.10 Alarm Parameters

• Alarm Function: Cleanliness level alarm (for alarming when exceeding preset cleanliness level standards)

5.11 Physical Parameters

• Overall Dimensions: 23813458mm (lengthwidthheight)

• Bare Machine Weight: 0.95kg

6. Application Scenarios and Industry Adaptation

6.1 Application Scenarios

• Cleanrooms: Used for regular monitoring and verification of air particle concentration in cleanrooms (such as Class 10 to Class 100,000 cleanrooms) in industries such as electronics, pharmaceuticals, and precision manufacturing, ensuring compliance with cleanliness level requirements.

• Hospitals: Applied in operating rooms, intensive care units (ICUs), pharmaceutical preparation rooms, and other areas to monitor air particle content, preventing particle pollution from affecting surgical safety and drug quality.

• Pharmaceutical Production Workshops: Used in the production process of pharmaceuticals (including APIs, preparations) to monitor air cleanliness in key areas such as mixing, granulation, tableting, and filling, meeting GMP requirements and ensuring drug safety and quality.

• Semiconductor Manufacturing Facilities: Employed in semiconductor wafer production workshops to detect tiny particles in the air, avoiding particle adhesion to wafers that may cause product defects, ensuring the yield and performance of semiconductor products.

• Air Purifier Effect Verification: Used to test the particle removal efficiency of air purifiers in homes, offices, and public places. By measuring particle concentrations before and after the operation of the air purifier, the purification effect is evaluated.

• Public Places and Transportation Vehicles: Applied in airports, high-speed rail carriages, subways, and other public places to monitor air particle quality, providing data support for air quality improvement and public health protection.

6.2 Industry Adaptation

• Pharmaceutical Industry: Complies with new GMP standards, supports dynamic and static cleanliness monitoring, and has an audit trail function to meet the strict data traceability and quality control requirements of the pharmaceutical industry. It is suitable for cleanroom monitoring, drug production process control, and pharmaceutical preparation environment detection.

• Semiconductor Industry: With high-precision particle counting capabilities (supporting 0.3μm particle size detection) and stable sampling flow, it can meet the ultra-clean environment monitoring needs of the semiconductor industry, ensuring the production quality of wafers and chips.

• Healthcare Industry: Portable design and long battery life facilitate on-site detection in hospitals. It can be used for air quality monitoring in operating rooms, ICUs, and sterile wards, helping to prevent cross-infection and ensure medical safety.

• Electronics Manufacturing Industry: Used for cleanliness monitoring in the production of electronic components (such as capacitors, resistors, and integrated circuits) to avoid particle pollution affecting the performance and service life of electronic products.

• Environmental Testing Industry: Suitable for environmental testing institutions to conduct on-site air particle concentration testing for enterprises and public places, providing accurate detection data for environmental assessment and pollution control.

7. Accessories and Consumables Configuration

• USB Flash Drive: Used for exporting sampling data from the instrument. It supports plug-and-play and is compatible with the instrument's USB interface, facilitating data backup and transfer to a computer for further analysis.

• Bluetooth Printer: An independent accessory specially configured for the instrument, supporting real-time printing of sampling data. It can print detection reports on-site, including particle concentration values, sampling time, sampling point, and other information, improving work efficiency.

• Lithium-Ion Battery (Spare, Optional): A spare 3.7V, 10,000mAh lithium-ion battery, which can be replaced when the instrument's built-in battery is exhausted, ensuring continuous operation of the instrument during long-term on-site detection.

• Power Adapter: Used for charging the instrument's lithium-ion battery. It supports a wide voltage input (adaptable to different regional power supplies) and has overcharge protection to ensure safe and efficient charging.

• Carrying Case: A portable case used for storing and carrying the instrument and its accessories (such as USB flash drive, Bluetooth printer, spare battery). It has shockproof and anti-collision performance, protecting the instrument from damage during transportation and storage.

• Calibration Certificate and Calibration Tools (Optional): Provided by Hengmei Intelligent Manufacturing or authorized calibration institutions. The calibration certificate verifies the accuracy of the instrument's detection performance, and the calibration tools are used for regular calibration and maintenance of the instrument to ensure long-term stable operation.

8. Brand Value and Service Support

8.1 Brand Value

• Technological Professionalism: Hengmei Intelligent Manufacturing focuses on the R&D and production of environmental detection instruments. The HM-SCL Handheld Particle Counter integrates advanced semiconductor laser technology, precise flow control technology, and intelligent data processing technology, reflecting the brand's deep technical accumulation and professional R&D capabilities in the field of particle detection.

• Product Compliance and Reliability: The instrument complies with national and international standards such as JJF1190-2008, GB/T6167-2007, ISO, and new GMP. It undergoes strict quality control during the production process, with stable performance and accurate detection results, meeting the compliance requirements of industries with high standards such as pharmaceuticals and semiconductors.

• Industry Application Experience: Hengmei Intelligent Manufacturing's products have been widely used in pharmaceuticals, semiconductors, healthcare, and other industries. The brand has accumulated rich industry application experience, can deeply understand the actual needs of users in different industries, and provide targeted detection solutions, establishing a good reputation in the industry.

8.2 Service Support

• Pre-Sales Consulting: Provide professional pre-sales consulting services. The professional team answers users' questions about the instrument's performance, technical parameters, application scenarios, and compliance with industry standards, and provides personalized product selection suggestions according to the user's industry characteristics and specific detection needs.

• Instrument Calibration Service: Provide regular calibration services for the instrument. Users can send the instrument to Hengmei Intelligent Manufacturing or authorized calibration institutions for calibration. After calibration, a formal calibration certificate is issued to ensure the accuracy and compliance of the instrument's detection data.

• After-Sales Maintenance: Provide a certain period of warranty service for the instrument (specific warranty period shall be subject to the product sales contract). During the warranty period, if the instrument has quality problems due to non-human factors, free repair or replacement of parts shall be provided. After the warranty period, cost-effective maintenance services are provided, and original parts are supplied to ensure the normal operation of the instrument.

• Technical Training: Conduct on-site or online technical training for users, including instrument operation, parameter setting, data analysis, daily maintenance, and troubleshooting. Ensure that users can proficiently use the instrument and solve common problems independently.

• Technical Support Hotline and Online Service: Establish a 7×24-hour technical support hotline and online service channel (such as email, online chat). Professional technicians provide timely answers to technical problems encountered by users in the process of using the instrument, and guide users to troubleshoot remotely if necessary.

• Software Upgrade Service: Continuously optimize the instrument's supporting software (such as data analysis software, remote monitoring software) according to user needs and technological development, and provide free software upgrade services for users, improving the instrument's functionality and user experience.

9. Model Comparison and Selection Suggestions

9.1 Model Comparison

Currently, Hengmei Intelligent Manufacturing only provides one model of handheld particle counter, which is HM-SCL. There are no other models of the same series for the time being, so no multi-model comparison is available.

9.2 Selection Suggestions

• For Pharmaceutical Enterprises: The HM-SCL Handheld Particle Counter is an ideal choice. It complies with new GMP standards, supports dynamic and static cleanliness monitoring, and has an audit trail function that meets the data traceability requirements of the pharmaceutical industry. It can be used for cleanroom monitoring, drug production process control, and is suitable for various pharmaceutical production scenarios such as APIs and preparations.

• For Semiconductor Manufacturing Enterprises: This instrument supports 0.3μm high-precision particle size detection and has a stable sampling flow, which can meet the ultra-clean environment monitoring needs of the semiconductor industry. It is suitable for wafer production workshops, chip packaging workshops, and other areas to ensure the production quality of semiconductor products.

• For Hospitals and Healthcare Institutions: The instrument's portable design (small size, light weight) and long battery life (≥8 hours) facilitate on-site detection in operating rooms, ICUs, and other areas. It can monitor air particle concentration in real time, helping to prevent cross-infection and ensure medical safety.

• For Environmental Testing Institutions and Air Purifier Manufacturers: The instrument supports multiple data export and printing methods, and can quickly and accurately test air particle concentration. It is suitable for environmental testing institutions to conduct on-site detection and for air purifier manufacturers to verify product purification effects.

• For Electronics Manufacturing and Precision Processing Enterprises: The instrument can monitor the cleanliness of the production environment, avoid particle pollution affecting the performance of electronic components and precision parts, and is suitable for production workshops of electronic components, precision instruments, and other products.

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