# REPLACEMENT OF OPTICAL OXYGEN SENSOR CAPS AND PH/ORP SENOR (INSITU)

> This tender closed on 2026-08-28.

- **Reference:** WQ-33125
- **Issuer:** [Department of Water and Sanitation](https://za.bidwunder.com/tenders/issuer/department-of-water-and-sanitation.md)
- **Region:** National
- **Type:** Open tender
- **Closing date:** 2026-08-28 12:00 SAST
- **Sectors:** [Computer and electronic products](https://za.bidwunder.com/tenders/sector/C26.md), [Electrical equipment](https://za.bidwunder.com/tenders/sector/C27.md)

## Summary

#### Overview
**The procurement is for the replacement of optical oxygen sensor caps and pH/ORP sensors in situ.** This relates to water-quality monitoring instrumentation; bidders should have experience in sensor maintenance, onsite replacement, and calibration within water-treatment or similar environments.

#### Requirements
- Demonstrated experience with optical oxygen sensors and pH/ORP sensors in water/wastewater monitoring.
- Capability to perform in-situ replacement and field calibration.
- Ability to comply with government bid processes and meet the submission deadline.

#### How to Apply
- Submission deadline: **2026-08-28 10:00**.
- Submission method: not specified in the metadata.
- Documents to submit: not specified; no bid documents attached here.
- Pre-qualifications/registrations: not specified.
- Briefing session: not specified.
- Where to obtain bid documents: not provided here; check the official procurement portal or contact the Department of Water and Sanitation.

## Description

REPLACEMENT OF OPTICAL OXYGEN SENSOR CAPS AND PH/ORP SENOR (INSITU)

## Documents

- Bid

Documents download with a free BidWunder account.

## Published on

- [Department of Water and Sanitation](https://www.dws.gov.za)

More open tenders: https://za.bidwunder.com/tenders.md

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> Source: https://za.bidwunder.com/tenders/replacement-of-optical-oxygen-sensor-caps-and-ph-orp-senor-insitu-41e5b326