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Rs485 4-20mA Online Ammonia Nitrogen Ammonium Ion NH4 Sensor Electrode for Water
US$600.00
2-8 Pieces
US$400.00
9+ Pieces
Sample price:US$400.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Maintenance & RefundWarranty
Maintenance & RefundModel NO.
HG-NH4 Ammonium Ion SensorDisplay
DigitalPortable
Non PortableAppliance
Food Analysis, Medical Research, BiochemistryCertification
ISO9001, RoHS, CE, FCCMeasuring Range
0.1...18000ppmAccuracy
±5% F.S.Temperature Range
0...60 Deg.CResponse Time
90% Less Than 90 SecondsPressure Range
0-3 BarShell Material
PC Plastic + 316L Stainless SteelOutput
4-20mA RS 485 (Mod_Bus RTU)Power Supply
DC 9-30V (Std DC 12V)Pipe Thread
G 3/4" + G 1" Male ThreadCable Length
5m or CustomizedProtection
IP68Installation
Immersion Type & Flow ThroughSensor Type
PVC MembraneElectrode Resistance
0-4 MΩKeywords
Nh4 Ion Selective Electrode SensorTransport Package
2kgSpecification
20*15*15cmTrademark
Siko InstrumentsOrigin
ChinaHS Code
9025191010Production Capacity
999 Units / WeeksKey features
Wide Measuring Range: 0.1 to 18000 ppm for versatile water analysis applications.
Fast Response Time: 90% response achieved in less than 90 seconds.
IP68 Protection: Fully waterproof and dustproof for harsh environments.
Multiple Output Options: Supports RS485, 4-20mA, and Relay signals.
Custom Cable Length: Available in 5m, 10m, or customized lengths.
Global Certifications: Certified with ISO9001, RoHS, CE, and FCC standards.
Company profile

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 is the measuring range of the sensor?
A:
The measuring range is 0.1 to 18000 ppm (5*10-6M to 1M).
Q:What is the response time?
A:
It takes less than 90 seconds to achieve 90% response.
Q:Can the cable length be customized?
A:
Yes, cable lengths of 5m, 10m, or customized options are available.
Q:What is the warranty period?
A:
The product comes with a 1-year warranty.
Q:What are the available installation types?
A:
The sensor supports Immersion Type and Flow Through installation.
Send Inquiry
*To:
Hefei Siko Instruments Co., Ltd.
Hefei Siko Instruments Co., Ltd.*Content:
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