UNSPSC 41112510: Sight flow indicators

UNSPSC 41112510 Sight flow indicators, a Commodity code, covers flow measurement and calibration equipment that state and local governments procure for environmental monitoring, water utility operations, and laboratory calibration work. Recent solicitations show state agencies and municipal utilities buying gas flow calibrators with NIST traceability, mass flow terminals for air quality standards verification, zero air generators for EPA compliance monitoring, and meter calibration services. The work encompasses both equipment procurement and associated maintenance, certification, and repair services. Issuing bodies include state environmental agencies (Texas Commission on Environmental Quality, Illinois Environmental Protection Agency), municipal water districts (Eastern Municipal Water District), and counties (Riverside County, St. Clair County). The code also captures single-source procurements for manufacturer-specific replacement parts and authorized service agreements, including Yokogawa instrumentation support for wastewater operations.

The most recent activity concentrates in Texas and Illinois, with additional procurement from California water utilities. The Texas Commission on Environmental Quality has posted multiple bids: RFB 582-26-15780 for Mesa Metrology gas flow calibrators (bids due July 7, 2026), and RFB 582-26-15424 for a Fluke Electronics Molbox2-A700K mass flow terminal (bids due March 31, 2026). The Illinois Environmental Protection Agency procured zero air generators through a sole-source Basic Ordering Agreement valued at $59,100 (effective March 3, 2026) and issued a small-purchase sole-source procurement for Teledyne-API air quality monitoring equipment parts valued at $43,780 (due March 9, 2026). Eastern Municipal Water District posted RFP 3856 for meter verification, calibration, certification, and repair services with proposals due July 15, 2026. Riverside County issued RFB 3909 for Cla-Val parts inventory (due February 13, 2026). The City of Tampa posted an Intent to Single Source Yokogawa parts and service for wastewater operations (due February 20, 2026). Texas bidders may claim preferences under 34 TAC Rule 20.38; Illinois procurements include BEP goals and Standard Illinois Certifications compliance requirements.