STP MBR Sludge-Density Meter Ultrasonic 316L 24 VDC 4-20 mA (replacement)
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Product Description
Generic STP-SD-US STP MBR Sludge-Density Meter Ultrasonic 316L 24 VDC 4-20 mA (replacement) — service spare for marine sewage-treatment plant membrane-bioreactor transmembr.
Technical Specifications
- Material
- 316L stainless wetted + PTFE seal + IP67 housing
- Standards
- IMO MARPOL Annex IV Regulation 9, IMO MEPC.227(64) revised guidelines on implementation of effluent standards and performance tests for STP, ASTM D4416 — sludge — solids content, ISO 11923 water quality — determination of suspended solids
- Approvals
- CE EMC 2014/30/EU, NIST-traceable factory calibration certificate at two points, MEPC.227(64) effluent-compliance compatible when fitted as like-for-like on type-approved STP, EN 10204 3.1 material certificate available
- HS code
- 8421.99
- Voltage
- 24 V DC
Standards & Compliance
- Material
- 316L stainless wetted + PTFE seal + IP67 housing
- HS Code
- 8421.99
Compatibility & Fitment
Form-fit envelope for Hamworthy ST series, EVAC MBR, Wartsila Aquarius MBR, Hyundai-Wilson HMS-MBR, Detegasa Pro, RWO MBR, Headhunter T marine sewage-treatment plant transmembrane-pressure sensor change-out, dissolved-oxygen probe renewal (optical, galvanic, membrane-cap consumables) and sludge-density meter replacement (ultrasonic, optical backscatter, tuning-fork) + analyser transmitter + calibration consumables.
Product Documentation
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Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy STP-SD-US?
- STP-SD-US can be ordered from cballast.com: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this product?
- The manufacturer part number is STP-SD-US.
- What is the HS code for STP-SD-US?
- The customs tariff (HS) code for STP-SD-US is 8421.99.
- Is a datasheet available for STP-SD-US?
- Yes — the STP-SD-US datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for STP-SD-US?
- The minimum order quantity is 1.
- Is STP-SD-US available?
- Yes — STP-SD-US is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
- How do I get a price for STP-SD-US?
- Request a quotation with the quote button on this page or by email to sales@cballast.com — we reply within 24 hours with price, availability and lead time.