commit 2ef3ca8deec8ea6a68b9b2b92f368ee3785fe22a
Author: vps1_gitea_admin <vps1_gitea_admin@wbd-rd.nl>
Date:   Wed Mar 4 20:16:44 2026 +0000

    Add "Home"

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+# measurement
+
+Custom Node-RED node for sensor signal conditioning, scaling, smoothing, and data quality management.
+
+## Overview
+
+| Property | Value |
+|----------|-------|
+| **Version** | 1.0.0 |
+| **Category** | Instrumentation |
+| **Inputs** | 1 |
+| **Outputs** | 3 (process / dbase / parent) |
+| **Part of** | [EVOLV](https://gitea.wbd-rd.nl/RnD/EVOLV) |
+
+## Purpose
+
+The `measurement` node processes raw sensor signals into calibrated, smoothed measurement values. It provides:
+
+- **Linear scaling** from raw input range to engineering units
+- **Signal smoothing** with multiple methods (moving average, etc.)
+- **Simulator mode** for testing without physical sensors
+- **Asset registration** for automatic discovery by parent nodes
+- **Data quality** indicators
+
+## Configuration
+
+### Scaling
+
+| Field | Description |
+|-------|-------------|
+| `i_min` | Raw input minimum |
+| `i_max` | Raw input maximum |
+| `i_offset` | Input offset correction |
+| `o_min` | Scaled output minimum |
+| `o_max` | Scaled output maximum |
+
+### Smoothing
+
+| Field | Description |
+|-------|-------------|
+| `smooth_method` | Smoothing algorithm (dropdown) |
+| `count` | Window size for smoothing |
+
+### Asset Identification
+
+| Field | Description |
+|-------|-------------|
+| `uuid` | Unique sensor identifier |
+| `supplier` | Sensor manufacturer |
+| `category` | Sensor category |
+| `assetType` | **Critical** - must match parent node query exactly |
+| `model` | Sensor model |
+| `unit` | Engineering unit |
+
+### Other
+
+| Field | Description |
+|-------|-------------|
+| Simulator toggle | Enable/disable simulator mode |
+| `positionVsParent` | Position relative to parent |
+| `positionIcon` | Editor icon |
+| `distance` | Distance from parent |
+
+## Critical Integration Notes
+
+**assetType matching:** The `assetType` field must exactly match what the parent node queries for. For example:
+- `pumpingStation` and `monster` query for `assetType: "flow"`
+- Using `"flow-electromagnetic"` will NOT match and the measurement will not register
+
+**Async registration:** The node exposes an HTTP endpoint at `/measurement/asset-reg` for asset registration.
+
+## Inputs and Outputs
+
+### Input (Port 0)
+Raw sensor values (analog/digital signals).
+
+### Output Port 0 - Process Data
+Scaled and smoothed measurement value with quality indicators.
+
+### Output Port 1 - InfluxDB Telemetry
+Measurement time-series data.
+
+### Output Port 2 - Registration
+Asset registration messages to parent nodes (pumpingStation, monster, MGC, etc.).
+
+## Parent Nodes
+
+Can register with any parent node that accepts measurements:
+- [pumpingStation](https://gitea.wbd-rd.nl/RnD/pumpingStation)
+- [monster](https://gitea.wbd-rd.nl/RnD/monster)
+- [machineGroupControl](https://gitea.wbd-rd.nl/RnD/machineGroupControl)
+- And others
+
+## Dependencies
+
+- [generalFunctions](https://gitea.wbd-rd.nl/RnD/generalFunctions) (MenuManager, configManager, assetApiConfig, assetUtils)
+
+## Technical Requirements
+
+- Node.js >= 18
+- Node-RED >= 3.x
+
+## Testing
+
+```bash
+node --test test/basic/*.test.js
+node --test test/integration/*.test.js
+node --test test/edge/*.test.js
+```