Handheld Multifunctional High Standard Dust Particle Counter Laser Particle Size Analyzer
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Product Highlights
- Customizable Shell Color: Environmentally friendly flame-retardant plastic shell with customizable color options, defaulting to gray.
- Multi-Communication Support: Supports 4G, Wi-Fi, LoRa, Thread, Zigbee, and wired RJ45 for flexible data transmission.
- High-Precision Sensors: Features high-accuracy particle, differential pressure, temperature, humidity, and dew point sensors.
- Large Storage Capacity: Equipped with 8GB built-in memory for extensive historical data storage and local query.
- MODBUS Protocol Support: Supports MODBUS RTU and TCP protocols for seamless integration with platforms and servers.
- OEM/ODM Services: Offers full customization including branding, designs, and samples for tailored solutions.
- Portable Design: Compact size of 215*114*48MM with USB/Type-C charging for convenient handheld use.
- Lifetime Maintenance: Provides a 1-year warranty with lifetime maintenance and 24-hour technical support response.
Product Attributes
- Customization
- Available
- Type
- Dynamic Laser
- Sample Feeding
- Dry Dispersion
- Model NO.
- TP505
- Warranty
- 1 Year
- Transport Package
- Carton Box
- Trademark
- Toprie
- Origin
- Shenzhen
- Package Size
- 25.00cm * 20.00cm * 20.00cm
- Package Gross Weight
- 0.800kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
| Technical Parameters | |
| Charging port | |
| Charging voltage | DC5V |
| Charging current | 1.5A |
| Charging interface | type-c |
| Data transmission mode | |
| Wireless communication | 4G, WIFI (choose one) LoRa, Thread (choose one) |
| Wired communication | RJ45 |
| Dust particle sensor | |
| Particle detection object | 0.3μm, 0.5μm, 1.0μm, 2.5μm, 5.0μm, 10μm |
| Accuracy | 5% |
| Particle range | 200000Particles/L |
| Differential pressure sensor | |
| Pressure range | -500 to +500Pa 1/4 inch national standard pagoda connector |
| Accuracy | ±5Pa |
| External temperature and humidity | |
| Temperature range | -20-60°C Accuracy ±0.3°C (0-50°C) Other ±0.5°C |
| Humidity range | 0-100%RH Accuracy ±2%RH (20-80%) others ±3%RH |
| External dew point sensor (choose one of the following brands) | |
| Vaisala DMT143 range | -70-60°C accuracy ±2°C |
| Rotronic HC2A-SDP range | -50-60°C accuracy ±2°C |
| External expansion sensor | |
| Optional | Wind speed, noise, other gases |
| Product features | |
| Hardware performance | Software performance |
| Environmentally friendly flame-retardant plastic shell, color can be customized, default gray | 4G, LAN network connection platform, WiFi local LAN server |
| USB, TYPE-C charging, debugging and upgrading | Support Thread, zigbee, LoRa wireless LAN data upload |
| Power switch indicator | Large-capacity off-site storage, 8G built-in memory |
| TFT touch screen | Support USB query data (TP assistant) |
| 480*480 color LCD display | Support historical data query on the device |
| 8G storage memory | 4G and network cable interface support MODBUS RTU protocol connection platform |
| Drawer-type SIM card holder | Network port supports MODBUS TCP server function, and MODBUS RTU connection server |
| SMA internal male pin female antenna connector | Wireless LAN active reporting protocol uses MODBUS protocol to actively report |
| Standby state 200mA | |
| When particle detection is turned on, 550mA | |
| Size 215*114*48MM | |
| Working environment -10-60°C 0-95%RH | |
| Storage environment -20-65°C 30-80%RH |








Shenzhen Toprie Electronics Co., Ltd. is a leading high-tech enterprise specializing in the development and manufacturing of environmental monitoring and data acquisition solutions.
Established in 2009, our company operates a state-of-the-art facility spanning over 3,000 square meters, equipped with a highly skilled team committed to research, design, quality control, and precision manufacturing.
Core Business
We provide a comprehensive portfolio of cutting-edge products, including:
Multi-Channel Data Loggers & Paperless Recorders
Humidity & Temperature Sensors and Loggers
Gas Detectors
Multi-Parameter Cleanliness Analyzers
Smart Wireless Pressure & Temperature Sensors
Smart Water Meters
Water Level Meters, Ultrasonic Level Meters & Radar Level Meters
Multi-Channel Data Acquisition Modules (DAS & DAQ)
Smart IoT Gateways & Edge Computing Gateways, RTU, and DTU
SCADA Systems, HMI & HDMI Solutions
Thermal Imaging Cameras & Infrared Temperature Sensors
Electric, Power, and Energy Meters / Power Quality Analyzers
Comprehensive IoT Solutions
Quality & Customization
With advanced testing facilities, state-of-the-art manufacturing technologies, and a rigorous quality assurance system, we ensure that every product meets the highest industry standards.
In addition to our proprietary product line, we offer OEM and ODM services, providing customized solutions tailored to our clients' specific requirements, including personalized branding.
Our Commitment
Driven by integrity, innovation, and excellence, we are dedicated to delivering high-quality products and exceptional customer service. We welcome you to visit our company or contact us to explore potential collaboration opportunities.



Q: Are you a factory/manufacturer?
A: Yes, we are a professional manufacturer of data loggers, humidity & temperature sensors, gas detectors, pressure sensors, water level meters, liquid level transmitters, data acquisition modules, IoT gateways, thermal imaging cameras, power & energy meters, and more.
Q: Can I customize my logo and communication methods?
A: Yes, logo customization is available with a small MOQ. We support multiple communication methods, including GPRS, 4G, Wi-Fi, LoRa, and LoRaWAN. Please inform us in advance.
Q: What is your lead time? How long for custom instruments?
A: Standard products ship within 3-5 days after payment. Custom orders depend on quantity and requirements.
Q: What payment methods do you accept?
A: We accept T/T (bank transfer), Western Union, PayPal, and more.
Q: What packaging and shipping methods do you use?
A:
Standard carton packaging
Shipping via express (door-to-door), air, or sea as per customer requirements.
Q: What is your after-sales service policy?
A: We offer a 12-month warranty and lifetime maintenance. Our professional support team provides one-on-one assistance and responds within 24 hours to resolve technical issues.
For more inquiries, feel free to contact us!
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI242344". Items marked "" are certified.
Company Profile
Shenzhen Toprie Electronic Co., Ltd is a high technology enterprise engaged in manufacturing of smart environmental monitoring and data acquisition field.
Established in 2009, which is covering an area of over 3000 square meters, has many staffs who have good research, design for techniques, quality controlling and production.
Main produce:
1. Smart Paperless recorder: Temperature and humidity logger, data acquisition module (Supports simultaneous testing of TEMP, RH, current, voltage, pressure, liquid level, flow, displacement, etc., with high-speed data acquisition of 0.001S-1S),
2. Smart wireless sensor: Pressure, liquid level, water quality etc.
3. Smart Power meter: Power quality analyzers, energy meter, power recorder.
4. Smart Envrionment monitoring meter: Temp and humidity meter, sound level meter, Particle counter, Gas detector.
5. IIoT gateway: DTU, RTU, Edge computing gateway, HMI, SCADA.
All communication equipment supports the Internet of Things, And providing professional Internet of Things solutions.
And we have the advanced examine equipment, product technique and the perfect quality protect system. Beside our brand name products, we also have more than 16 years' ODM and OEM order experience and can accord the clients demands or requirements to personalized own brand.
Sincerity and Down-to-earth working approach' to provide clients with excellent service of processing! We sincerely welcome you to visit our company or contact us for cooperation!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory
- Address
- 104-110, Building C, Fenda High tech Park, Sanwei Community, Hangcheng Street, Bao'an District, Shenzhen
-
Plant Area
- 3100 square meters
-
Number of Employees
- 113
-
Registered Capital
- 21,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, Western Union, PayPal, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 1pcs
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Data Logger, Pressure Sensor, Power Meter, Data Acquisition Module, Sensor, Temperature Sensor, Level Transmitter, Paperless Recorder, Iiot Gateway
-
Production Lines
- 5
-
Production Machines
- Pressure standard instrument, Constant temperature and humidity box
-
QA/QC inspectors
- 6 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 35 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2009-01-13
-
Export Year
- 15years
-
Main Markets
- North America, Europe
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 16
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001, Others
-
Cooperated with Fortune 500
- Yes
FAQ
- Are you a factory or manufacturer?
- Yes, we are a professional manufacturer of data loggers, humidity & temperature sensors, gas detectors, pressure sensors, water level meters, liquid level transmitters, data acquisition modules, IoT gateways, thermal imaging cameras, power & energy meters, and more.
- Can I customize my logo and communication methods?
- Yes, logo customization is available with a small MOQ. We support multiple communication methods, including GPRS, 4G, Wi-Fi, LoRa, and LoRaWAN. Please inform us in advance.
- What is your lead time? How long for custom instruments?
- Standard products ship within 3-5 days after payment. Custom orders depend on quantity and requirements.
- What payment methods do you accept?
- We accept T/T (bank transfer), Western Union, PayPal, and more.
- What packaging and shipping methods do you use?
- Standard carton packaging Shipping via express (door-to-door), air, or sea as per customer requirements.
- What is your after-sales service policy?
- We offer a 12-month warranty and lifetime maintenance. Our professional support team provides one-on-one assistance and responds within 24 hours to resolve technical issues. For more inquiries, feel free to contact us!
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