When preparing a tender for an STS (Standard Transfer Specifications) smart three-phase electricity meter, there are several key aspects and requirements you should consider. Below is a structured breakdown to help guide you through the tender market for such a product.
Introduction
Provide an overview of the need for three-phase electricity meters, highlighting the importance of smart technology and the STS standard, which ensures compatibility and security in prepaid metering systems.
Specifications
1. General Requirements:
– Compliance with international standards (IEC, ISO, etc.)
– Support for the STS protocol for secure token-based energy transfer.
– Capable of handling three-phase electricity supply with load options.
– Built-in communication capabilities (e.g., GSM, GPRS, PLC).
2. Technical Features:
– Measurement Accuracy: Class 0.5 or better.
– Voltage and Current Ratings: Specify acceptable ranges (e.g., 400V/230V, current capacity).
– Display: Digital display for instant readouts and diagnostics.
– Remote Monitoring: Capability for real-time monitoring and management via a centralized system.
– Data Logging: Storage of consumption data over predefined intervals (e.g., daily, monthly).
3. Smart Features:
– Prepayment Functionality: Support for STS token and mobile payment options.
– Load Control Capabilities: Ability to remotely disconnect/reconnect service.
– Alarm Functions: Alerts for tampering, overload, voltage fluctuations, etc.
4. Enclosure:
– Weather-resistant and durable housing suitable for outdoor/indoor installation.
Installation and Maintenance
– Specification of installation procedures and training for end-users.
– Periodic maintenance plan to ensure optimal performance.
– Requirements for technical support and warranty conditions.
Supplier Qualifications
– Proven track record in manufacturing STS compliant meters.
– Relevant certifications and licenses.
– Capacity for large-scale production and delivery timelines.
Pricing
– Breakdown of costs (unit price, bulk discounts, installation costs).
– Payment terms and conditions.
– Warranty and service packages.
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