What certifications does the switch have?

The switch holds CE certification.

Can it be used in clean rooms?

Yes, differential pressure switches can be used in clean rooms, kitchens, and other ventilation plants.

Siemens Differential Pressure Switch Qbm81-3 for Ventilation and Air Conditioning System

Name: Siemens Differential Pressure Switch Qbm81-3 for Ventilation and Air Conditioning System
Brand: Beijing Ymer Technology Co., Ltd.
SKU: 1990090552

Beijing, ChinaBeijing Ymer Technology Co., Ltd.

US$39.00

1 Piece

Sample price:US$39.00/piece.Request sample

Product profile

Customization

Available

Installation Type

Duct Type

Sensing Type

Pressure

Model NO.

QBM81-3

Contact

Output Signal Type

Analog Type

Production Process

Injection

Material

Fiber-Glass Reinforced Polycarbonate

Measuring Medium

Temperature

IP Rating

IP54

Certification

Customized

Non-Customized

Transport Package

Carton

Specification

88*89.4*88mm

Trademark

SIEMENS

Origin

Germany

HS Code

850131000

Production Capacity

10000

Key features

CE Certified Safety: Complies with CE standards for reliable operation in ventilation systems.

IP54 Protection Rating: Dust and splash resistant design suitable for harsh industrial environments.

Durable Material: Constructed from fiber-glass reinforced polycarbonate for long-lasting performance.

Versatile Applications: Ideal for clean rooms, kitchens, and air conditioning plants.

Multi-Function Monitoring: Monitors differential pressure, underpressure, overpressure, air filters, and fan belts.

OEM/ODM Support: Customization available from samples with dedicated R&D engineers.

Strict Quality Control: 100% visual and function inspection by professional QA/QC inspectors.

Fast Lead Time: Consistent production within 15 workdays regardless of peak or off-season.

Company profile

Importers and ExportersMulti-language PioneerExperienced TeamSelf-branded

Beijing Ymer Technology Co., Ltd.

Beijing, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 8 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.49h

AI-Powered supplier vetting

SummaryThe supplier operates as a combined company with activities covering technical services, technology development and consulting, intelligent instrument and meter manufacturing and sales, and valve and plug products. It reports recent new-product development, ODM services, and OEM services for well-known brands, indicating positive R&D and customization capabilities. However, no supplier-management-system certification is reported. Service procedures exist, but records for service assessment, corrective actions, and complaint handling are absent. Manufacturing evidence shows one production line and no ongoing quantity reconciliation for each batch or mass production. The supplier has no overseas warehouse, showroom, agent, branch, or offline trade-show participation, while export activity includes Southeast Asia, the Middle East, and Europe. Financial information is represented only by years rather than assessable financial results, so credibility cannot be determined.

Supplier typeThe supplier is identified as a combined company and covers both technical/technology services and manufacturing and sales of intelligent instruments, meters, valves, and plugs. This indicates a supplier with mixed service, R&D, and manufacturing activities rather than a narrowly defined trading-only profile.

CertificationsThe supplier’s certification of management systems is explicitly recorded as NIL. No management-system certification is evidenced in the provided information.

After-Sales capabilityThe supplier has written procedures for service assessment, corrective and preventive actions, and customer complaints, but no written records for these processes. It also lacks overseas warehouses, showrooms, agents, branches, and offline trade-show experience, although stated service quotations and payment terms are available and average lead time is within 15 workdays.

R&D capabilityThe supplier reports three years of total R&D-engineer experience and confirms that it launched new products during the past year. It does not provide an SDK, so its product-development evidence is positive but limited in software-development support.

Production capacityThe business scope includes manufacturing intelligent instruments and meters and ordinary valves and plugs, and the supplier reports one production line. However, it does not conduct ongoing quantity reconciliation for each batch or mass production, which is an explicit manufacturing-control deficiency.

Customization capabilityThe supplier explicitly provides ODM services and OEM services for well-known brands. These statements directly support capabilities for product customization and branded manufacturing.