Custom Marine & Railway Analog Indicators
Analog RPM indicators and railway speedometers for OEM panels, replacement projects, and custom instrumentation. Choose an existing model or send us your panel dimensions, input signal, display range, dial, illumination, and mounting requirements for review.
Send Your Panel Requirements
Compare Marine & Railway Indicator Models
Start with the application, panel size, measured signal, and display range. Then confirm mounting, electrical connection, and project documentation requirements.
LD-RPM96
Marine Analog RPM Indicator
- Panel size: 96 × 96 mm
- Cut-out: 91 × 91 mm
- Standard input: ±10V DC
- Display angle: 240°
- LED illumination: 12V / 24V DC
- Application: marine propulsion and engine monitoring
- Best for: Compact marine engine and control panels.
LD-RPM144
Large Marine RPM Indicator
- Panel size: 144 × 144 mm
- Standard input: ±10V DC
- Display angle: 240°
- LED illumination: 12V / 24V DC
- Application: bridge consoles and engine rooms
- Best for: Larger instrument panels where a larger analog dial is preferred.
LD-SPD160D
Railway Speedometer
- Mounting diameter: Ø131 mm
- Standard input: 0–20mA
- Features: Dual-needle speed indication
- Odometer: 7-digit mechanical
- Illumination: 24V / 74V / 110V DC
- Application: locomotives, EMUs, metro
- Best for: Railway vehicle instrument panels requiring analog speed indication with odometer display.
Detailed Model Specifications
Review the standard specifications for each model, then confirm the panel dimensions, input signal, display range, mounting, electrical connection, and any project-specific requirements before selection.
LD-RPM96 Marine Analog RPM Indicator
COMPACT MARINE RPM INDICATOR
The LD-RPM96 is a compact analog RPM indicator for marine engine and control panels. Its smaller format makes it suitable for new panel builds, equipment upgrades, and replacement projects where installation space needs to be considered.
Review the standard configuration below. If your project requires a different RPM range, input signal, dial layout, illumination, mounting arrangement, or electrical connection, send us your panel and signal details for review.
Standard Specifications
| Model | LD-RPM96 |
|---|---|
| Instrument type | Marine analog RPM indicator |
| Panel size | 96 × 96 mm |
| Recommended panel cut-out | 91 × 91 mm |
| Standard signal input | ±10V DC |
| Alternative signal inputs | 0–5V, 0–20mA, 4–20mA or specified input, subject to confirmation |
| Scale angle | 240° |
| Indication | Forward/reverse RPM; AHEAD/ASTERN markings available |
| Illumination | LED, 12V or 24V DC |
| Power consumption | ≤5VA |
| Customization | RPM range, dial, units, language, logo, signal and terminal configuration |
| Typical applications | Marine bridge consoles, propulsion monitoring and engine-room control panels |
Before Selection
LD-RPM144 Large Marine Analog RPM Indicator
LARGE MARINE RPM INDICATOR
The LD-RPM144 is a larger-format analog RPM indicator for marine engine and control panels where a larger dial and clear at-a-glance reading are preferred. It can be considered for new installations, panel upgrades, and replacement projects requiring a larger instrument format.
Standard specifications are listed below. For projects with different panel dimensions, RPM ranges, signal inputs, dial requirements, illumination, mounting, or connection details, send us the existing panel information or project drawing for technical review.
Standard Specifications
| Model | LD-RPM144 |
|---|---|
| Instrument type | Large marine analog RPM indicator |
| Panel size | 144 × 144 mm |
| Panel cut-out | To be confirmed according to approved drawing |
| Standard signal input | ±10V DC |
| Alternative signal inputs | 0–5V, 0–20mA, 4–20mA or specified input, subject to confirmation |
| Scale angle | 240° |
| Indication | Forward/reverse RPM; AHEAD/ASTERN markings available |
| Illumination | LED, 12V or 24V DC |
| Power consumption | ≤5VA |
| Customization | RPM range, dial layout, units, language, logo, signal and terminal configuration |
| Typical applications | Ship bridges, engine-control rooms, main control panels and propulsion monitoring systems |
Before Selection
LD-SPD160D Railway Speedometer with Odometer
RAILWAY SPEEDOMETER
The LD-SPD160D is designed for railway vehicle instrument panels requiring analog speed indication together with odometer display. It can be evaluated for new instrumentation, retrofit, and replacement projects based on the vehicle, signal, panel, and project requirements.
The standard signal input is 0–20mA. Speed range, dial markings, display units, illumination voltage, language, logo, and selected electrical interfaces can be reviewed according to the vehicle control system. The instrument is intended for applications such as locomotives, electric multiple units, metro vehicles, and specialized railway equipment.
Standard Specifications
| Model | LD-SPD160D |
|---|---|
| Instrument type | Railway analog speedometer with odometer |
| Mounting cut-out | Ø131 mm, subject to drawing confirmation |
| Standard signal input | 0–20mA |
| Display | Dual-pointer analog speed indication |
| Odometer | 7-digit mechanical counter |
| Odometer function | Accumulated mileage, non-resettable |
| Speed range and units | Customizable according to application |
| Illumination | LED, 24V / 74V / 110V DC |
| Operating temperature | −25°C to +70°C* |
| Vibration performance | To be confirmed according to the applicable project requirement* |
| Customization | Speed range, km/h or mph, dial markings, language, logo, illumination and electrical interface |
| Typical applications | Locomotives, EMUs, metro vehicles and railway driver consoles |
Project Information to Confirm
Not Sure Which Model Fits Your Panel?
Send us a photo or drawing of your existing panel together with the panel cutout, available installation depth, input signal, display range, and application.
Built Around Your Panel Requirements
Instrument selection starts with the panel, signal, display, and installation requirements. Share your project details and we can review the suitable configuration before quotation.
Panel Fit & Dimensions
Share the panel cutout, outer dimensions, available installation depth, and rear clearance so we can review whether the selected model fits your panel.
Signal & Electrical Interface
Provide the input signal, signal source, power requirements, and available electrical connection details for technical review.
Dial, Range & Illumination
Confirm the required measuring range, units, dial layout, scale markings, pointer style, and illumination requirements for the application.
Mounting & Connection
Confirm the mounting method, rear connection, terminal or connector requirements, and any installation constraints before the final configuration is selected.
Have an existing indicator to replace? Send us a photo, drawing, or specification sheet and we can compare the key dimensions and interface requirements.
Send Your Panel RequirementsTypical Applications
Analog indicators for marine and railway instrument panels where clear display, panel fit, signal compatibility, and reliable integration need to be considered together.
Marine Propulsion & Engine Control
Analog RPM indication for marine engine and propulsion control panels, including new installations, panel upgrades, and replacement projects.
Railway Vehicle Speed Instrumentation
Analog speed indication with odometer display for railway vehicle instrument panels, including new instrumentation, retrofit, and replacement projects.
Railway standards and documentation requirements should be reviewed for each individual project.
Railway Standards & Project Documentation
Railway requirements vary by country, operator, vehicle platform, and project. Specific certification and documentation should therefore be reviewed against the requirements of each individual application.
Our railway indicators are supplied based on the technical requirements of the selected project and product configuration. Available product documentation, test information, drawings, and supporting materials may vary by model.
If your project requires compliance with a specific railway standard, operator specification, customer standard, or approval procedure, please send us the exact requirement before quotation. We will review the applicable product information and confirm what documentation can be provided for the selected model.
Project Standard Review
Send us the applicable railway standard, operator specification, customer requirement, or approval document so we can review the requirement against the selected product.
Available Product Documentation
Depending on the model and project, available information may include product specifications, dimensional drawings, electrical information, test records, and other technical supporting documents.
Project-Specific Confirmation
Certification, testing, documentation, and approval requirements should be confirmed before quotation and production, particularly for railway replacement, retrofit, and OEM projects.
Have a Specific Railway Standard to Meet?
Send us the standard number, customer specification, or approval requirement together with the selected model or application details. We will review the requirement before quotation.
Frequently Asked Questions
Common questions about model selection, panel compatibility, customization, replacement projects, and railway documentation.
What information do you need to recommend a suitable indicator?
Please provide the application, panel cutout or available installation space, required display range and units, input signal or signal source, power requirements, mounting method, electrical connection, and estimated quantity.
For replacement projects, a photo, drawing, or specification sheet of the existing indicator is also helpful.
Can you help match an existing panel opening?
Yes, we can review the panel dimensions against the available models. Please send the panel cutout, outer instrument dimensions, available installation depth, and rear clearance.
If a standard model does not directly fit, any possible configuration changes need to be reviewed based on the specific project.
Can the measuring range, dial, and illumination be customized?
Depending on the model, different measuring ranges, units, dial layouts, scale markings, pointer styles, and illumination requirements can be reviewed.
Please send the required range and a reference drawing or existing dial photo so we can confirm the available options for the selected model.
What input signal information should I provide?
Please provide the signal type, signal range or frequency, signal source, power supply, and any available wiring or interface information.
For replacement projects, the wiring diagram or terminal information of the existing indicator can help us check compatibility more efficiently.
Can you replace an existing marine or railway analog indicator?
Replacement projects can be reviewed by comparing the existing indicator with the available models and project requirements.
Please provide photos of the front and rear of the existing instrument, panel dimensions, cutout size, installation depth, display range, input signal, power supply, mounting method, and connection details. The original specification sheet or drawing is especially useful if available.
Are your railway indicators certified to railway standards?
Railway certification and documentation requirements vary by country, operator, vehicle platform, and project.
If your application requires compliance with a specific railway standard, customer specification, or approval procedure, please send us the exact requirement before quotation. We will review the selected model and confirm what product documentation, test information, or supporting materials are available.
A specific railway certification should not be assumed unless it has been explicitly confirmed for the product and project.
What are the MOQ and lead time?
MOQ and lead time depend on the selected model, quantity, and customization requirements.
Standard configurations and project-specific versions may have different production arrangements. We therefore confirm MOQ and lead time after the technical requirements have been reviewed.
Have a specific project requirement not covered here?
Need a Custom Marine or Railway Indicator?
Send us your instrument type, display range, input signal, supply voltage, panel dimensions, quantity, and application requirements. Our team will review the information and recommend an existing model or customized configuration.
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+86 189 1339 3116
Location
701 Tianyin Avenue, Jiangning District,
Nanjing, China