# California eProcure #2026079

CARB procurement of two portable emissions measurement systems and related equipment and support

**Posted:** November 09, 2026
**Respond By:** November 24, 2026
**Identifier:** 2026079
**NAICS:** 334519, 423490

The California Air Resources Board is seeking portable emissions-testing equipment and related support for off-road and nonroad testing.
- **Government buyer:** California Air Resources Board (CARB), Off-Road Portable Emissions Measurement Section (ORPEMS), Sacramento, California.
- **OEMs named:** **SEMTECH** systems and components are specified in the cost worksheet; **HORIBA** is named as the gas-divider manufacturer whose equipment the PEMS must support.
- **Main procurement:** Two complete, 40 CFR Part 1065-compliant gas PEMS sets, identified as SEMTECH DS+ NV2 or comparable, with gas analysis, exhaust-flow measurement, dual FID, sampling, software, heated lines, power supplies, accessories, and consumables. See line items for part numbers and quantities.
- **Testing needs:** Measure CO, CO2, NO, NO2, total hydrocarbons, and fuel economy in off-road and nonroad applications. Systems must be compatible with a HORIBA Gas Divider; comparable products may be accepted.
- **Services and support:** On-site installation, commissioning, and four days of staff training, plus a two-year warranty and specified maintenance, calibration, and regulatory-compliance services.
- **Delivery and setup:** Deliver within 45 working days after purchase-order receipt. Installation is to be arranged within 30 days after delivery; CARB verifies operation within 30 business days after startup and commissioning.
- **Notable requirements:** Include instrument operation, troubleshooting, data retrieval, and data-processing instruction. The worksheet also includes Year 2 extended warranty and support items.

### Description

The State Air Resources Board is seeking one Portable Emissions Measurement System (PEMS) for measuring real-world exhaust emissions from off-road and nonroad sectors, including construction and agricultural machinery, locomotives, cranes, and small off-road engines. The procurement seeks additional 1065-compliant PEMS units compatible with the HORIBA gas divider to support CARB compliance, surveillance, inventory, and research programs. The resulting contract will be a purchase order, and products must be delivered within 45 working days after receipt of the order. Substitutions or deviations require CARB approval; freight and handling costs are to be included in the unit price.

[View original listing](https://caleprocure.ca.gov/event/3900/0000040902)