Development Scope
Device and interface access
Connect to pH, dissolved oxygen, conductivity and other instruments to record range, temperature compensation, calibration status and cleaning status, and unify the data interface.
Product business functions
Connect to pH, dissolved oxygen, conductivity and other instruments to develop collection, cleaning status recording, sensor abnormality prompts, local storage and data reporting.
Platform and data connection
Combined with the business link of monitoring instruments → status verification and collection → 4G reporting → trend and alarm → maintenance record, the device identity, data fields, update time, abnormal status and result confirmation method are defined.
Exception handling and operational constraints
Sensor maintenance and calibration directly affects data availability, and data during cleaning or calibration should be accompanied by status and not mixed with normal statistics.
Data and Operational Workflow
Water quality instrument collection → status filtering → local saving → 4G upload → trend query, maintenance reminder and exception notification.
The device side, communication side and platform side retain necessary status and logs respectively. Project integration testing is checked with actual equipment data and execution results, and network connection status and business completion status are recorded separately.
Project Inputs
- Existing device models, interface and wiring diagrams, licensing agreements, data samples and available codes.
- Business processes and parameters: probe interface, dimensions, cleaning calibration status and outlier processing.
- Target location, operator, SIM/APN, power supply, installation method and equipment size.
- Existing platform interfaces, user roles, development modules, number of prototypes and planned nodes.
Deliverables and Acceptance
| Deliverables | Delivery content | Verification method |
|---|---|---|
| product realization | Hardware design data, prototypes or existing equipment modification data involved in the project, as well as corresponding firmware and interfaces | Check the instrument original value, compensation value and platform field. |
| Business integration testing | Data fields, status definitions, platform adaptation procedures and business integration testing records | Test the mark after the sensor is disconnected and restored. |
| Version and test data | Target hardware and software versions, build or deployment instructions, parameter configurations and test logs | Verify records and retransmissions during cleaning and disconnection periods. |
First confirm the scope and key functions, then complete prototype or software development, system integration testing and stage acceptance. The acceptance conditions list the prototype, version, environment, duration and passing threshold; source code, design documents, third-party licenses, materials, traffic, cloud resources and on-site work are agreed separately.
Frequently Asked Questions
Can different water quality probes share the same terminal?+
It can be evaluated one by one according to the interface and protocol, and the power supply, wiring, address, sampling timing and dimensions need to be checked. Analog probes also need to confirm signal conditioning, sampling accuracy and calibration methods.
Can I entrust only part of the functions of the water quality monitoring terminal?+
The device interface, terminal program, 4G communication and platform integration testing can be split based on the existing R&D foundation. Please provide existing data and target boundaries, first check the "probe interface, dimensions, cleaning calibration status and outlier processing", and then clarify the deliverables and interface responsibilities of each module.
How are costs and cycle time assessed?+
Split the workload based on target devices, interfaces, existing data, and verification criteria. This project focuses on checking the probe interface, dimensions, cleaning and calibration status, and outlier processing; when prototypes, on-site integration testing, or third-party platform cooperation are required, the corresponding costs, prerequisites, and milestones will be listed separately.
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