What is the power supply requirement?

The power supply is AC 90-260V or DC 9-30V depending on the model.

What is the lead time for orders?

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

Arduino 0-20mg/L Analog 4-20mA Water Quality Dissolved Oxygen Sensor Electrode

Name: Arduino 0-20mg/L Analog 4-20mA Water Quality Dissolved Oxygen Sensor Electrode
Brand: Hefei Siko Instruments Co., Ltd.
SKU: 2028726152

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

Maintenance & Refund

Model NO.

HG-DO Dissolved Oxygen Sensor

Display

Digital

Portable

Non Portable

Appliance

Food Analysis, Medical Research, Biochemistry

Certification

ISO9001, RoHS, CE, FCC

Measuring Range

0.00 ... 20.00 Mg/L (Ppm)

Accuracy

2% or 100ppb Hoci

Temperature Range

0...60 Deg.C

Response Time

90% Less Than 90 Seconds

Pressure Range

0-1 Bar

Shell Material

Ss 316 & ABS

Output

RS 485, 4-20mA

Power Supply

DC 9-30V

Pipe Thread

G 3/4" , M39*1.5

Cable Length

5m or Customized

Protection

IP68

Sensitive Membrane

H4020

Temperature Sensor

Ntc22K

Keywords

Digital Residual Chlorine Electrode

Brand

Siko Sensors

Transport Package

2kg

Specification

20*15*15cm

Trademark

Siko Instruments

Origin

China

HS Code

9025191010

Production Capacity

999 Units / Weeks

Key features

Wide Measuring Range: Measures dissolved oxygen from 0.00 to 20.00 mg/L (ppm) with high precision.

Dual Output Signals: Supports RS485, 4-20mA, and Relay outputs for versatile integration.

Durable Construction: Constructed with SS 316 and ABS/PC materials for harsh environments.

IP68 Waterproof: Fully waterproof design suitable for underwater and outdoor installation.

OEM/ODM Support: Customized support available for branding and specific requirements.

Advanced Temperature Compensation: Features NTC22K or Pt1000 sensors for accurate readings across temperatures.

Long Data Logging: Capable of storing up to 500,000 data points for comprehensive analysis.

Company profile

Hefei Siko Instruments Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.80h

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.