CEFAS25-135 Benchtop carbon analyser.

1. Technical Requirement

1.1 The instrument must include an autosampler for automated sample handling.

1.2 Suppliers will provide evidence of the instrument's performance range, ideally using marine sediment samples to demonstrate suitability.

1.3 The analysis process will be efficient and cost-effective; please include supporting evidence of throughput and operational costs.

1.4 The instrument will be compatible with other equipment, such as an Isotopic Ratio Mass Spectrometer (IRMS), where possible.

1.5 The instrument must be capable of performing Total Inorganic Carbon (TIC), Total Organic Carbon (TOC), and Residual Oxidisable Carbon (ROC) analyses as a minimum.

1.6 The instrument's maximum dimensions must not exceed 800 mm (W) x 600 mm (D) x 1200 mm (H).

1.7 The instrument's maximum weight must not exceed 85 kg.

1.8 Suppliers must state all gases required for operation, such as nitrogen, oxygen, or synthetic air. There should be no requirement for helium gas.

1.9 The instrument should be supplied with reusable crucibles.

2. Environmental Considerations

2.1 Unit will have a low power consumption.

2.2 Unit will be designed for reuse/remanufacture and of regenerative nature to eliminate waste where possible.

2.3 Consideration of how packaging will be managed. Ideally at the time of installation the supplier will remove packaging and dispose of by ethical and environmentally friendly methods. Where possible, packaging is to be re-used or recycled.

2.4 Consideration of life cycle assessment for the equipment.

3. Hardware, Software, PC, Licenses, operating systems

3.1 The instrument software must be fully compatible with Windows 11.

4. Compatibility with existing hardware/software/equipment

4.1 The instrument will be compatible with the existing Windows 11 PC and Sartorius balance software.

5. Installation

5.1 The supplier must install the instrument and provide all necessary training, which should be included in the total quoted cost.

6. Ease of maintenance

6.1 The bid submission must describe all user-maintainable aspects of the unit, including any limitations where no user-serviceable components are available.

7. Parts, Consumables and Updates

7.1 Crucibles must be reusable, and replacements should be easy to procure.

7.2 Spare parts should be readily available and straightforward to obtain.

7.3 All consumables must be easily accessible.

7.4 The supplier should provide software updates as required.

8. Warranties, Guarantees, Servicing

8.1 Warranties period will start from the point of acceptance of delivery and once the goods have been tested to ensure they are in working order. Cefas expect minimum warranty period of 12 months to be included in the purchase.