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Warranty: 2 years, Lifetime maintenance

Sem339 Wall-Mounted Color Screen Temperature Humidity Sensor

Name: Sem339 Wall-Mounted Color Screen Temperature Humidity Sensor
Brand: Chengdu Sentec Technology Co., Ltd.
SKU: 2321120715

Sichuan, ChinaChengdu Sentec Technology Co., Ltd.

US$58.00

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

SEM339

Product Name

Wall-Mounted Multi-Element Transmitter

Display

LED

Accuracy

±0.5%F.S

Process Connection

Portable

Temperature

-40℃~+80℃

Humidity

0~100%Rh

Air Pressure

0-120kpa

Noise

30~130db

Power Supply

DC 10-30V(Default)

Signal Output

RS485, 0~2V, 0~2.5V, 0~10V, 4~20mA

Transport Package

Carton

Specification

22*28*16 2Kg

Trademark

SENTEC

Origin

China

HS Code

9026100000

Production Capacity

50000

Key features

Multi-Element Monitoring: Monitors temperature, humidity, pressure, PM2.5/10, CO2, TVOC, noise, and formaldehyde.

Multiple Signal Outputs: Supports RS485, 0-2V, 0-2.5V, 0-10V, and 4-20mA for flexible integration.

Digital Interchangeability: Calibration data stored in memory; no complex verification needed; fully interchangeable.

ISO and CE Certified: Manufactured strictly according to ISO and CE directives; fully RoHS compliant.

Compact Wall-Mounted Design: Small appearance, easy screw-fixed installation, suitable for various environments.

Fast Response Time: Response time within 120 seconds for real-time environmental monitoring.

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: ≤10.14hTerms 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.

Product Q&A

Q:How long will you give me the reply?

we will contact you in 1 hours as soon as we can.

Q:Could I visit your factory?

Sincerely invite you to visit our factory.

Q:Do you provide samples ?

Yes,we have materials in stock to help you to get the samples as soon as we can.

Q:How about the quality of the managements ?

We have a complete quality control system , all of our products will be fully pre-inspection by QC departments before shipping to you . We have the certification of ISO,CE we could send the certification test of our company to you

Q:What is your terms of payment ?

We could accept T/T, Paypal, WU ,Credit Assurance