What is the operating temperature range?

The operating temperature range is -20 to 80 degrees Celsius.

What is the minimum order quantity?

The minimum order quantity is 10 pieces.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-season.

4-20mA NPN/PNP Digital Flow Switch

Name: 4-20mA NPN/PNP Digital Flow Switch
Brand: Nanjing Hogen Technology Co.LTD
SKU: 2242405035

Jiangsu, ChinaNanjing Hogen Technology Co.LTD

US$100.00

1-49 Pieces

US$90.00

50-99 Pieces

US$80.00

100+ Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Certification

Type

Thermal Sensor

Model NO.

HFM500

Switch Type

Relay, NPN, PNP

Probe Material

SS304, SS316L/Ta Can Be Customized

Process Connection

1/2" 3/4" 1" Thread

Tri-Clamp

50.5mm

Transport Package

Carton, Wooden Case

Specification

SS304

Trademark

HIGHJOIN

Origin

China

HS Code

9026100000

Key features

Adjustable Switching Value: Switching value is continuously adjustable via potentiometer for precise monitoring.

Multi-Fluid Compatibility: Suitable for measuring flow in Water, Oil, and Air with specific sensitive ranges.

Durable All-Metal Design: All-metal shell with no moving parts, ensuring maintenance-free operation.

High Pressure Resistance: Withstands up to 100bar pressure, suitable for demanding industrial environments.

Clear LED Indication: Equipped with 6-LED display to show flow trend and switching status clearly.

Flexible Probe Material: Probe material can be customized to SS304, SS316L, or Tantalum.

Compact and Low Pressure Loss: Compact structure design minimizes pressure loss in the pipeline.

Universal Pipe Fit: One model fits various pipe diameter requirements with customizable connections.

Company profile

Importers and Exporters

Nanjing Hogen Technology Co.LTD

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.16h

AI-Powered supplier vetting

SummaryNanjing Hangjia Electronic Technology Co., Ltd., established in 2015, specializes in industrial automation and process-control products covering pressure, temperature, level, and flow measurement. The supplier reports ISO9001:2015 and CE certification, documented quality and service procedures, customization and ODM capabilities, recent new-product development, and OEM service for recognized brands. Its production setup includes assembly, laser welding and marking, aging, calibration, and testing lines, with finished-product inspection instructions followed uniformly. Export activity has lasted eight years and represents 51%–70% of total sales. Constraints include no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, showroom, agent, or branch, and no Fortune 500 customer cooperation reported. Financial information identifies records for 2021–2023 but provides no assessable financial results.

Supplier typeThe supplier is identified as a company specializing in the research, development, sales, and service of industrial automation and process-control equipment, including pressure, temperature, level, and flow products. This directly positions it as an industrial measurement and process-control supplier.

CertificationsThe supplier states that it follows the ISO9001 quality management system and holds an ISO9001:2015 management-system certificate; its products also have CE certification. These are explicit certifications relevant to quality management and product compliance.

After-Sales capabilityThe supplier describes customer service from technical consulting through customized production and reports written, implemented procedures for service assessment, corrective and preventive actions, and complaint handling. It offers training overseas but has no overseas agents or branches and reports service coverage in zero countries, indicating documented support capability with limited overseas service infrastructure.

R&D capabilityThe supplier reports R&D capability, new products during the past year, ODM services, and an available SDK. Its stated business scope also includes research and development, supporting a demonstrated ability to develop and adapt industrial automation products.

Production capacityThe supplier lists assembly, laser welding, laser marking, aging, calibration, and testing lines, and states that finished-product inspection instructions are uniformly followed. It also reports in-stock capability, while lacking a valid capacity contract with related subcontractors; the documented in-house facilities nevertheless provide explicit production evidence.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full customization, minor customization, flexible customization, and ODM services. This breadth of stated options indicates strong flexibility for customer-specific requirements.

Client casesThe supplier reports cooperation with customers in construction machinery, water treatment, food and medicine, environmental protection, electric power, metallurgy, and shipbuilding, and states that it provides OEM services for recognized brands. However, it reports no cooperation with Fortune 500 companies, so the evidence supports broad sector experience but not top-tier multinational reference experience.

Product Q&A

Q:What fluids can this flow switch measure?

It is suitable for Water, Oil, and Air. Specific sensitive ranges are 1-60cm/s for water, 3-100cm/s for oil, and 20-700cm/s for air.

Q:How do I adjust the switching point?

Install the switch, remove the protection screw, and adjust the potentiometer. Make the first green LED bright at the desired flow rate. Adjust further to change the switch point.

Q:What are the available output types?

The output type is optional and includes PNP, NPN, or Relay.

Q:Is the probe material customizable?

Yes, the probe material can be customized to SS304, SS316L, or Tantalum.

Q:What is the maximum pressure the device can withstand?

The flow switch can withstand a maximum pressure of 100bar.