What is the power supply requirement?

The detector operates on DC 12-24V power supply.

What communication interfaces are supported?

It supports RS485 Modbus and Analog communication interfaces.

4-20mA Intelligent Fixed Anti-Explosion Flammable Combustible Gas Leak Detector

Name: 4-20mA Intelligent Fixed Anti-Explosion Flammable Combustible Gas Leak Detector
Brand: Hefei Siko Instruments Co., Ltd.
SKU: 2131256012

Anhui, ChinaHefei Siko Instruments Co., Ltd.

US$400.00

2-8 Pieces

US$200.00

9+ Pieces

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Maintenance & Refund

Warranty

1 Year

Model NO.

HG-FGD Fixed Gas Detector

Brand

Siko Instruments

Customized

Portable

Certification

FCC, CE, RoHS

Gas

CO2

Type

Electrochemical Gas Analyzer

Gas Detect

Method

Electrochemical / Infrared / Catalytic Combustion

Accuracy

3%F.S.

Response Time

T90 < 30s

Linearity

≤ ±2

Reapeatibility

≤ ±2

Recover Time

≤ 30s

Operating Humidity

< 95%Rh Non-Condensing

Operating Temperature

'-20 - 50 Deg.C

Power Supply

DC 12-24V

Communication

RS485 Mod_Bus / Analog

Explosion Proof

Exd II CT6

Keywords & 1

Fixed Gas Sensor

Keywords & 2

Fixed Gas Detector

Protection

IP65

Transport Package

2kg

Specification

15*15*20cm

Trademark

Siko Instruments

Origin

China

HS Code

9027100090

Production Capacity

999 Units / Weeks

Key features

Explosion-Proof Design: Cast aluminum housing with Exd II CT6 rating for harsh environments.

Multi-Gas Detection: Detects CO2, O2, CO, H2S, SO2, NH3, and other gases with high precision.

Fast Response Time: Response time T90 is less than 15 seconds for most gases.

Customizable Options: Supports OEM/ODM with customizable gas detection types and methods.

Versatile Communication: Features RS485 Modbus and Analog output for easy integration.

IP65 Protection: Robust IP65 rating ensures protection against dust and water jets.

Company profile

Hefei Siko Instruments Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤3.91h

AI-Powered supplier vetting

SummaryHefei Siko Instruments Co., Ltd. is identified as both a trading company and manufacturer/factory in China. It supplies flow meters, sensors, transducers, and related industrial instrumentation. The supplier reports ANSI/ESD and ISO 9001 certifications, 11–20 R&D engineers, 11–20 quality-control staff, and five production lines. It has self-operated import/export rights, began exporting in 2020, and reports exports as 71%–90% of sales, with broad global market coverage. Evidence confirms manufacturing, quality-management certification, international trade capability, and established product expertise. However, the provided information does not substantiate after-sales processes, financial credibility, customization services, or a broad customer track record.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. Its stated business covers instruments, meters, industrial equipment, flow measurement technology, sensors, and transducers, indicating a direct manufacturing and trading role in industrial instrumentation.

CertificationsThe supplier reports ANSI/ESD and ISO 9001 certifications for its management systems. These stated certifications provide explicit evidence of formal quality or operational controls, although no certificate scope, issuing body, or validity details are supplied.

R&D capabilityThe supplier offers multiple flow-measurement and sensing technologies and reports 11–20 R&D engineers, indicating an established technical development function. However, no patents, proprietary technologies, new-product records, or R&D outcomes are provided.

Production capacityThe supplier is identified as a manufacturer/factory with five production lines, 11–20 quality-control staff, and stated product coverage in flow measurement and industrial instrumentation. It also reports an off-peak lead time of one month and peak fulfillment within 15 workdays, supporting evidence of operating production capacity, although actual capacity limits are not disclosed.

Product Q&A

Q:What gases can this detector measure?

It can detect Oxygen, Carbon Dioxide, Carbon Monoxide, Hydrogen Sulfide, Sulfur Dioxide, Ammonia, Ozone, Nitrogen Dioxide, Formaldehyde, and Flammable Gas.

Q:Is the gas detector customizable?

Yes, we support OEM and ODM services with customizable gas detection types and methods.

Q:What is the response time of the sensor?

The response time (T90) is less than 15 seconds for most gases.

Q:What is the warranty period?

We provide a 1-year warranty for all our gas detectors.

Q:What is the explosion-proof rating?

The device has an explosion-proof grade of Exd II CT6.