ConductVision Enterprise

Gauge & Meter Reading

Digitize analog gauges, meters, and displays with camera-based reading. Available for pilot as an industrial IoT bridge.

Example gauge & meter reading scene with an illustrative detection overlay
Illustrative detection overlay, drawn for demonstration. Not model output.

Gauge & Meter Reading converts the visual output of analog gauges, mechanical meters, and numeric displays into structured digital data using camera-based inference. The system is designed to read pressure gauges, temperature dials, flow meters, level indicators, and seven-segment displays, bridging the gap between legacy instrumentation and modern monitoring platforms without rewiring or replacing existing equipment. A single camera can monitor multiple gauges within its field of view, and the platform supports scheduled reading intervals or continuous monitoring depending on the application.

How it works

Gauge & Meter Reading in three steps

Connect

Point Cameras at Gauge Panels

Mount cameras facing gauge clusters, meter panels, or individual instruments. The calibration interface lets you outline each gauge face, mark the scale range, and define units. A single camera can monitor up to a dozen gauges in one view depending on resolution.

Analyze

Read and Interpret Values

The system detects the gauge face, locates the needle or indicator, and maps its angular position to the calibrated scale to produce a numeric reading. For digital displays, an OCR model reads the displayed digits. Readings are validated against configurable min/max ranges to flag impossible values.

Act

Stream Data and Alert on Thresholds

Readings are published to SCADA, historian, or IoT platforms at configurable intervals. When a gauge reading crosses a warning or critical threshold, the system sends alerts to operations teams with the reading value, gauge location, and a snapshot of the gauge face.

Features

Analog Gauge Reading

Reads circular and semicircular analog gauges by detecting the needle angle relative to the calibrated scale. Supports pressure gauges, temperature dials, ampmeters, voltmeters, and flow indicators.

Digital Display OCR

Reads seven-segment LED displays, LCD panels, and mechanical counter wheels. Handles varying digit sizes, segment colors, and display orientations.

Level Indicator Reading

Reads sight glasses, tube-type level indicators, and graduated tank markings by detecting the liquid meniscus or float position against the calibrated scale.

Multi-Gauge Panel Monitoring

Monitors an entire gauge panel from a single camera, reading each gauge independently. Useful for boiler rooms, compressor stations, and process control panels with dozens of instruments.

Threshold Alerting

Configure warning and critical thresholds for each gauge. Alerts fire when readings enter abnormal ranges, enabling early intervention before equipment failure or process deviation.

Historical Trend Logging

Stores every reading with a timestamp, building a time-series history for each gauge. Trend analysis reveals equipment degradation, seasonal patterns, and correlation between instruments.

SCADA and Historian Integration

Publishes readings via OPC UA, Modbus TCP, or MQTT to integrate with existing SCADA systems and process historians. Bridging analog instruments to digital infrastructure without replacing hardware.

Use cases

Legacy Industrial Equipment Monitoring

Older plants contain thousands of analog gauges that would cost millions to replace with digital transmitters. Camera-based reading can digitize these instruments for pennies per gauge, integrating them into modern monitoring dashboards without any physical modification.

manufacturingenergychemical

Boiler Room and Utility Monitoring

Building boiler rooms, chiller plants, and pump stations contain gauge clusters that are checked manually on rounds. Automated reading can provide continuous monitoring between rounds and alert immediately when a reading drifts out of range.

utilitiesreal estatecorporate

Oil and Gas Wellhead Monitoring

Remote wellheads often have analog pressure and temperature gauges with no digital output. A ruggedized camera with cellular backhaul can transmit readings to central operations, reducing the need for technician site visits to remote locations.

energy

Water and Wastewater Flow Monitoring

Municipal water systems include mechanical flow meters at pump stations and treatment plants. Camera-based reading can add digital monitoring to these meters without interrupting service for meter replacement.

utilitiesgovernment

Substation and Electrical Panel Monitoring

Electrical substations and panels contain analog ammeters, voltmeters, and power factor gauges. Continuous camera-based monitoring can detect abnormal readings and log power quality data without installing additional current transformers.

energyutilities

Laboratory Instrument Digitization

Research laboratories use analog instruments, vacuum gauges, pressure regulators, rotameters, that produce no digital output. Camera-based reading can log instrument values automatically during experiments, reducing manual recording errors.

researchpharma

Technical overview

Models
Keypoint detection for needle localization + angular regression; TrOCR for digital displays
Input formats
RTSP, ONVIF, MP4, JPEG snapshots (scheduled capture), USB cameras
Output formats
JSON, MQTT, OPC UA, Modbus TCP, CSV, Prometheus metrics
Edge support
NVIDIA Jetson, Raspberry Pi 4/5 (for low-gauge-count deployments), industrial PCs

Accuracy and latency are measured against your footage and cameras during pilot scoping; we publish figures only with the conditions they were measured under.

Evaluate Gauge & Meter Reading on your footage

One prioritized outcome, your cameras, a structured results review.