What is the power consumption?

Power consumption is less than 1W at 12V.

What materials is the sensor made of?

The main material is ASA combined with engineering plastics.

Sentec Sem333 Pm 2.5 Meter Best Air Quality Sensor Air Pollution Measuring Device

Name: Sentec Sem333 Pm 2.5 Meter Best Air Quality Sensor Air Pollution Measuring Device
Brand: Chengdu Sentec Technology Co., Ltd.
SKU: 2103019485

Sichuan, ChinaChengdu Sentec Technology Co., Ltd.

US$125.00-1,100.00

1 Piece

Product profile

Customization

Available

Type

Infrared Gas Sensor

Conductivity Type

Volume Control Type

Model NO.

SEM333

Output Signal Type

Digital Type

Production Process

Integration

Material

Plastic

IP Rating

IP65

Sensitivity

High

Certification

Customized

Transport Package

Carton

Specification

T H NO2 CO PM2.5 PM10 SO2 O3

Trademark

SENTEC

Origin

Chengdu

HS Code

9027100090

Production Capacity

5000

Key features

Customized Options: Supports customized configurations for specific project requirements.

High IP65 Rating: Robust IP65 ingress protection ensures durability in harsh environments.

RS485 Modbus Output: Digital RS485 (Modbus) output for seamless system integration.

CE Certified Quality: Fully RoHS compliant and CE certified for safety and quality.

Versatile Mounting: Supports sleeve, flange, and tripod mounting with various bracket sizes.

Low Power Consumption: Energy efficient with power consumption under 1W at 12V.

Multi-Platform Data: Data accessible via PC, mobile APP, LED, and LCD displays.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityCustomization from SamplesProduct Certification

Chengdu Sentec Technology Co., Ltd.

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2011-03-01Average Response Time: ≤8.14hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT, Others, FCA

AI-Powered supplier vetting

SummaryChengdu Sentec Technology Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory in the electrical and electronics sector. Its stated products include multiple sensor and transmitter categories, while company descriptions highlight sensor technology development, intelligent monitoring solutions, and OEM experience. The supplier reports ISO 9001 certification, 11–20 years of R&D engineer experience, 6–10 quality-control staff, and more than 10 production lines. It has exported since 2011 and reports that 51%–70% of sales are exports, with self-operated import and export rights. An audit by BV is recorded, but the supplied audit result is “0” and the report validity period ended on 2024-11-15; the meaning of the result is not provided. Evidence remains insufficient for financial credibility, after-sales capability, overseas service coverage, detailed customization services, and verified customer cases.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, with a limited-company structure and electrical and electronics trade focus. This supports its ability to operate as a product supplier with manufacturing involvement, although the relative scale of trading versus manufacturing is not stated.

CertificationsThe supplier reports ISO 9001 certification, and a BV audit record is provided with a stated validity period from 2023-11-16 to 2024-11-15. However, the audit result is recorded as “0,” and no interpretation or currently valid certification evidence is supplied, so the positive certification evidence is limited to the stated ISO 9001 holding.

R&D capabilityCompany descriptions state that industry experts participate in sensor R&D and innovation, that advanced production technologies are continuously introduced and developed, and that the supplier has 11–20 years of R&D engineer experience. Specific evidence for new-product output, SDK availability, 3D design, ODM, or other measured innovation deliverables is unknown.

Production capacityThe supplier is identified as a manufacturer/factory, offers several sensor and transmitter product categories, reports more than 10 production lines, and describes industrialized and systematized production. These details provide explicit evidence of substantial production infrastructure, although capacity volume and utilization are not stated.

Customization capabilityThe supplier explicitly states it has experienced OEM services and develops sensing technology solutions for customers, which supports some customization capability. Nevertheless, the availability of ODM, OEM for popular brands, 3D software design, and new-product development services is marked unknown, so the full customization scope cannot be verified.