What international certificates do you have?

We have CE, RoHS, SIL,IOS, ATEX.

What is your quality control system?

As an ISO9001:2008 certificated manufacturer, we have a strict quality control system, and each product is done with fatigue testing, calibration, temperature compensation before shipment. High quality is guaranteed.

4-20mA Hart Differential Air Pressure Sensor Gauge Pressure Transmitter

Name: 4-20mA Hart Differential Air Pressure Sensor Gauge Pressure Transmitter
Brand: Yantai Auto Instrument Making Co., Ltd.
SKU: 904343625

Shandong, ChinaYantai Auto Instrument Making Co., Ltd.

US$50.00-200.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Type

Normal Pressure Transmitter

Structure Type

Gauge/Absolute Pressure Transmitter

Model NO.

AT3051

Measuring Medium

Steam, Gas, Liquid

Accuracy Grade

0.1G

Pressure range

0~40MPa

IP Rating

IP67

Certification

Ce/ISO9001/Sil3/SGS

Customized

Output

4-20mA, Hart Protocol

Display

English LCD Display

Process Connection

1/2'' Thread or Flange

Product Name

Absolute/Gauge Pressure Transmitter

Material

Stainless Steel

Transport Package

Standard Export Package

Trademark

yantai auto

Origin

China

HS Code

9026201090

Production Capacity

1000pieces/Year; Smart Pressure Transmitter

Key features

High Precision Accuracy: 0.1% accuracy grade with 90ms output update time for industrial measurement.

HART Protocol Support: 4-20mA output combined with direct digital HART communication for advanced monitoring.

Robust IP67 Rating: Explosion-proof and weather-proof housing ensures durability in harsh environments.

Long-Term Stability: 0.15% stability over two years with automatic zero calibration via button press.

Customization Options: Customizable output, display language, process connection, and logo printing available.

Wide Pressure Range: Measures 0~40MPa with options for gauge, absolute pressure, and vacuum applications.

Manufacturer Direct: Direct from factory since 1994 with strict ISO9001 quality control and fatigue testing.

Fast Response Support: 24-hour response for after-sales questions with remote PC network instruction available.

Company profile

Yantai Auto Instrument Making Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-11-04 CertifiedNearest Port: Yantai PortAverage Response Time: ≤4.04h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryYantai Auto Instrument Making Co., Ltd. is a China-based limited company established in 1994 and operating in Shandong. It presents itself as a manufacturer of pressure transmitters, flow meters, level instruments, and related products, with design, R&D, production, sales, OEM customization, and maintenance activities. The supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, six production lines, advanced production and calibration equipment, and export activity since 2015. Evidence supports manufacturing capability, product-related technical specialization, and imported-brand maintenance services. However, the available information does not sufficiently establish financial strength, the scale or effectiveness of after-sales service, verified innovation performance, or a broad customer portfolio. One recorded buyer is SVAAR PROCESS SOLUTIONS PRIVATE LIMITED, and shipment records identify Shanghai as an origin port.

Supplier typeThe supplier is identified as a Chinese limited company and qualified source manufacturer specializing in pressure transmitters and flow meters. Its stated activities cover product design, R&D, production, sales, OEM customization, and self-managed export, indicating a manufacturer rather than only a trading intermediary.

CertificationsThe supplier reports holding ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates. These explicitly demonstrate certifications in quality, environmental, and occupational health and safety management.

After-Sales capabilityThe supplier states that it undertakes maintenance for Rosemount, Yokogawa, Honeywell, and other imported-brand pressure, differential-pressure, and liquid-level transmitters. This supports the existence of relevant maintenance capability, although the scope, response performance, and service coverage are not provided.

Production capacityEvidence indicates a physical factory in Yantai, six production lines, advanced production and calibration equipment, and product coverage spanning pressure, flow, and level instruments. The supplier also claims integrated design, R&D, production, and sales operations, supporting a positive assessment of manufacturing capability.

Customization capabilityThe company background explicitly states that it provides OEM customization, while its product scope includes multiple instrument categories and configurations such as remote diaphragm-seal pressure transmitters and different flow-meter types. This supports customization capability, although specific customization limits and delivery performance are not stated.

Product Q&A

Q:Are you a manufacturer or trading company?

We are the manufacturer for pressure, flow and level transmitters since 1994.

Q:What is the warranty period and after-sales service?

Our warranty time is 12 months after shipment, and our after-sales will respond with your questions in 24hrs, remote instruction by PC network is always available.

Q:What is the lead time for orders?

We are a factory, our lead time is always within 10~15 working days for products without customization, but lead-time will vary based on different products. You can check detailed lead-time with our sales.

Q:Is there a minimum order quantity (MOQ)?

We have no MOQ limits, 1pc for testing is acceptable.

Q:Do you provide customized products?

Yes, we can print your logo on our products; OEM, ODM & customization are welcome.