What is the lead time for production?

Peak season lead time is within 15 workdays, while off-season lead time is one month.

What power supply does it require?

The sensor requires a DC 10-30V power supply with a maximum power consumption of 0.1W.

What are the long-term stability rates?

Temperature stability is 0.1 Deg.C per year, and humidity stability is 1% per year.

Factory Modbus 4-20mA Pipeline Duct Air Humidity Temperature Sensor

Name: Factory Modbus 4-20mA Pipeline Duct Air Humidity Temperature Sensor
Brand: Hefei Siko Instruments Co., Ltd.
SKU: 2007863482

Anhui, ChinaHefei Siko Instruments Co., Ltd.

US$90.00

2-8 Pieces

US$70.00

9+ Pieces

Sample price:US$70.00/piece.Request sample

Product profile

Customization

Available

Installation Type

Duct Type

Sensing Type

Duct Humidity Temperature Sensor

Model NO.

HG-DHTS Duct Temperature Humidity Sensor

Contact

Output Signal Type

Digital Type

Production Process

Duct Humidity Temperature Sensor

Material

Carbon Humidity

Measuring Medium

Duct Humidity Temperature Sensor

IP Rating

IP65

Certification

Customized

Probe Working Temperature

-40 - 120 Deg.C (-40 - 80 Deg.C)

Probe Working Humidity

0%Rh-100%Rh

Power Supply

DC 10-30V

Maximum Power Consumption

0.1W

Humidity Accuracy

2%Rh (5%Rh-95%Rh & 25 Deg.C)

Temperature Accuracy

0.4 Deg.C (25 Deg.C)

Temperature Display Resolution

0.1 Deg.C

Humidity Display Resolution

0.1%Rh

Long Term Stability of Temperature

0.1 Deg.C / Y

Long Term Stability of Humidity

1%/Y

Analog Output

4-20mA, 0-5V, 0-10V...etc

Digital Output

RS 485 Mod_Bus

Current Output Load

600

Voltage Output Load

250

Transport Package

2kg

Specification

20*15*15cm

Trademark

Siko Instruments

Origin

China

HS Code

9025191010

Production Capacity

999 Units / Weeks

Key features

IP65 Protection Rating: Wall-mounted shell with rain and snow-proof design ensuring high protection.

Modbus Protocol Support: RS485 digital output supports communication up to 2000 meters with secondary development.

High Precision Sensors: Uses imported industrial grade microprocessor chips and high-precision temperature sensors.

Customizable Specifications: Probe working temperature, humidity, and output signals are fully customizable.

Wide Operating Temperature: Probe working temperature range from -40 to 120 degrees Celsius.

High Humidity Accuracy: Humidity accuracy of 2%Rh within 5%Rh-95%Rh range at 25 degrees Celsius.

Long Term Stability: Temperature stability of 0.1 Deg.C per year and humidity stability of 1% per year.

Multiple Output Options: Supports Analog Output (4-20mA, 0-5V, 0-10V) and Digital Output (RS485).

Company profile

Hefei Siko Instruments Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤3.83h

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.