Tender Summary: Supply and Delivery of pH Meter with Probe

Objectives

The primary objective is to procure and deliver a high-precision bench-top pH meter equipped with a compatible probe for analytical use within the Chemistry Department.

Scope of Work

• Supply and delivery of a laboratory-grade pH meter meeting all specified technical parameters.
• Inclusion of all necessary accessories, including a replaceable glass combination electrode and AC power adapter.
• Delivery to the designated university facility within the bidder-specified lead time.
• Payment will be processed within 30 days in arrears following successful delivery, end-user verification, and receipt of a valid tax invoice.

Technical Requirements

The supplied instrument must meet or exceed the following specifications:

• pH Measurement Range: -2.00 to 20.00 pH
• Accuracy: ±0.01 pH or better
• Resolution: Minimum 0.01 pH
• Temperature Range: 0 to 100°C minimum
• Temperature Compensation: Automatic (ATC)
• Calibration: 3 to 5-point automatic calibration
• Buffer Recognition: Automatic recognition of standard buffers (pH 4.01, 7.00, 10.01)
• mV/ORP Measurement: ±2000 mV capability
• Display: Large backlit LCD or colour display
• Data Storage: Capacity for at least 500 readings
• Connectivity: USB and/or RS-232 ports for data transfer
• Electrode: Replaceable laboratory-grade glass combination electrode
• Power Supply: AC adaptor

Skills and Qualification Requirements

The tender documentation does not mandate specific technical certifications or specialized engineering skills. Bidders are expected to demonstrate:

• Commercial capability and proven experience in supplying laboratory analytical instruments.
• Logistical competence to meet delivery timelines and provide compliant product documentation.
• Ability to complete mandatory legal, financial, and regulatory disclosure forms accurately.

Key Procurement Terms & Clarifications

• 80/20 Preference Point System: A South African public procurement scoring model. Bidders earn up to 80 points based on price competitiveness (lower prices score higher) and up to 20 points based on their Broad-Based Black Economic Empowerment (BBBEE) status level. The combined score determines the final ranking.
• Two-Stage Evaluation: Submissions undergo Stage 1 for eligibility and mandatory document verification. Only compliant bids advance to Stage 2, where price and BBBEE preference points are calculated.
• Firm Pricing Requirement: All quoted prices must be fixed in South African Rand (ZAR), inclusive of VAT, and remain valid for 90 calendar days post-closing. Variable or exchange-rate-linked pricing will be rejected.
• Non-Binding Procurement: The institution reserves the right to accept or reject any bid, award the contract in whole or in part, adjust quantities, or cancel the process without incurring liability to bidders.