OVERVIEW
• Accepts four probes
• 2-1/4" (57 mm) Round Gauge
• High resolution LCD display with backlighting
• Temperatures can be displayed in °C or °F; from -100 to +1200ºC (-148 to +2192°F)
• 6 different user customized display screens
• Visible high temperature alarm; LED changes to red color
• Recall Max Peak temperature memory Button
• Each individual input channel can be labeled as either EGT or CHT
• Power from either 12 VDC or 24 VDC
• °F/°C selectable
• Programmable High Temperature set-point alarm
• Supports J, K, & E thermocouple probes (ungrounded only)
The 4-channel digital thermocouple pyrometer gauge display is 2.25” instrument that contains all the features necessary to monitor EGTs and/or CHTs. The instrument is fully programmable by the user resulting in the most flexible solution available. It contains 6 different display screens to allow easy customization. The gauge display can be configured to group EGTs/CHTs to common settings or each thermocouple channel can be independently setup for temperature ranges as well as alarms and probe types.
Temperature Probes not included, please purchase separately
IMPORTANT DISCLAIMER IF YOU ARE CONSIDERING USING THIS INSTRUMENT IN AN AIRCRAFT:
This instrument is not certified by the FAA. Fitting of this instrument to certified aircraft is subject to the rules and conditions pertaining to such in your country. Please check with your local aviation authorities if in doubt. This instrument is intended for ultralight, microlight, homebuilt and experimental aircraft. Operation of this instrument is the sole responsibility of the pilot in command (PIC) of the aircraft. This person must be proficient and carry a valid and relevant pilot’s license. This person has to make themselves familiar with the operation of this instrument and the effect of any possible failure or malfunction. Under no circumstances does The Sensor Connection or manufacturer condone usage of this instrument for IFR flights.
TECHNICAL SPECIFICATIONS
| Input: | Type K, Type J, & Type E thermocouple (ungrounded only) |
| Number of Inputs: | 4 |
| Display Range: | -148 to +2192°F (-100 to +1200°C) |
| Accuracy: | +/- 5° (typical) over full temperature range |
| LCD Display Resolution: | 160 x 128 graphic color LCD display |
| LCD Backlight: | Yes |
| LCD Contrast: | User selectable |
| Microprocessor Resolution: | 12-bit (over sampled successive approximation) |
| Environment: | 85% Max. RH (non-condensing) |
| Operating Temperature: | +14 to +1140°F (-10 to +60°C) |
| Front Bezel Rating: | IP51 |
| Input Voltage: | 8 to 30 VDC |
| Current Draw: | 73mA @ 13.8V (backlight highest setting), 33mA @ 13.8V (backlight lowest setting) |
| Alarm Relay Contact Rating: | Normally open, open collector transistor, switches to ground upon activation, max rating of 0.25A DC |
| Enclosure: | 2-1/4” ABS, black in color, front or rear mounting |
| Panel Cutout Dimensions: | Drill round 2-1/4" (57 mm) hole |
| Weight: | 170 grams |
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Multi-Channel Thermocouple Pyrometer for EGT & CHT Monitoring
The MPG-4C 4-Channel Round Digital Gauge is a compact, high-performance thermocouple display designed for monitoring multiple temperature points in real time. Built for motorsports, performance engines, and advanced testing applications, this versatile digital pyrometer supports up to four thermocouple inputs and provides clear, customizable temperature data in an easy-to-read 2-1/4" round gauge format.
With a high-resolution backlit display, programmable alarms, and multiple display modes, the MPG-4C delivers the flexibility and functionality needed for accurate exhaust gas temperature (EGT) and cylinder head temperature (CHT) monitoring.
Monitor Up to Four Temperature Channels Simultaneously
The MPG-4C is designed to handle multi-point temperature measurement with ease:
Accepts up to four thermocouple probes
Displays temperature data across multiple channels
Ideal for engines, test systems, and industrial monitoring
This multi-channel capability allows users to monitor temperature variations across different points in a system, improving diagnostics and performance tuning.
Compatible with Multiple Thermocouple Types
The MPG-4C supports a range of thermocouple inputs:
Type K thermocouples
Type J thermocouples
Type E thermocouples
Designed for ungrounded probes only
This flexibility allows the gauge to be used across a wide variety of temperature measurement applications.
Wide Temperature Measurement Range
The MPG-4C offers a broad measurement range to support both moderate and high-temperature environments:
–148 to +2192°F (–100 to +1200°C)
This makes it suitable for:
Exhaust gas temperature (EGT) monitoring
Cylinder head temperature (CHT) monitoring
Industrial and high-temperature process measurement
High-Resolution LCD Display with Backlighting
The MPG-4C features a high-quality graphic LCD display:
160 x 128 resolution color display
Backlit for visibility in low-light conditions
User-adjustable contrast settings
The display is designed for clarity and readability, even in challenging lighting environments.
Six Customizable Display Screens
One of the standout features of the MPG-4C is its flexible display system:
Six different user-configurable display screens
Customize how temperature data is presented
Easily switch between display modes
This allows users to tailor the gauge to their specific monitoring needs, whether focusing on individual channels or grouped data.
Label Each Channel as EGT or CHT
The MPG-4C allows each input channel to be individually labeled:
Configure channels as EGT (Exhaust Gas Temperature)
Configure channels as CHT (Cylinder Head Temperature)
This makes the display intuitive and easy to interpret, especially in multi-sensor engine setups.
Programmable High Temperature Alarm
The MPG-4C includes a programmable alarm system for enhanced safety:
User-defined high-temperature setpoints
Visual alarm indication via display color change
Display LED changes to red during alarm conditions
The gauge also includes an internal output:
Open collector transistor output
Switches to ground when alarm is triggered
Can be used to activate external devices such as warning lights or buzzers
Peak Temperature Recall Function
The MPG-4C includes a max temperature memory feature:
Stores peak temperature values
Allows quick recall of maximum readings
Useful for performance tuning and diagnostics
This feature helps users identify temperature extremes that may not be visible in real-time operation.
Flexible Power Options
The MPG-4C is designed to operate in a wide range of electrical systems:
Input voltage: 8 to 30 VDC
Compatible with both 12V and 24V systems
Low current draw ensures efficient operation:
~73 mA at maximum backlight
~33 mA at minimum backlight
Compact 2-1/4" Round Gauge Design
The MPG-4C is housed in a standard 2-1/4" (57 mm) round enclosure, making it easy to install in dashboards, panels, or instrument clusters.
Panel cutout: 2-1/4" round hole
Front or rear mounting options
Lightweight design (~170 grams)
This compact form factor makes it ideal for both automotive and industrial applications.
Durable Construction for Demanding Environments
The MPG-4C is built to withstand real-world conditions:
Front bezel rating: IP51
Resistant to dust and light moisture
Operating temperature: –10°C to +60°C
The rugged ABS enclosure ensures durability in demanding environments.
Designed for Performance and Testing Applications
The MPG-4C is ideal for a wide range of applications, including:
Motorsports and performance vehicles
Engine tuning and diagnostics
Exhaust gas temperature monitoring
Cylinder head temperature monitoring
Dynamometer testing
Industrial temperature measurement
Its multi-channel capability and customizable interface make it a powerful tool for both professionals and enthusiasts.
Why Use a Multi-Channel Digital Pyrometer?
Compared to single-channel gauges, multi-channel pyrometers offer significant advantages:
Monitor multiple temperature points simultaneously
Identify imbalances or anomalies across systems
Improve diagnostics and performance tuning
Reduce the need for multiple instruments
The MPG-4C combines these benefits into a compact, user-friendly design.
Important Usage Disclaimer (Aircraft Applications)
This instrument is not FAA-certified for use in certified aircraft. It is intended for ultralight, experimental, or non-certified aviation applications, subject to local regulations. The pilot in command is responsible for understanding and operating the instrument safely.
Key Features at a Glance
4-channel thermocouple input (J, K, E types)
Wide temperature range up to 2192°F (1200°C)
High-resolution 160 x 128 LCD display
Backlit screen with adjustable contrast
Six customizable display screens
Programmable high-temperature alarm
Visual alarm indication (color change)
Peak temperature recall function
Individual channel labeling (EGT or CHT)
2-1/4" round gauge design
8–30 VDC power input
Compact, durable construction
A Flexible Solution for Multi-Point Temperature Monitoring
The MPG-4C 4-Channel Digital Gauge provides a powerful and customizable solution for monitoring multiple temperature inputs in real time. Its combination of advanced features, compact design, and reliable performance makes it an ideal choice for motorsports, testing, and industrial applications.
Optimize Your Temperature Monitoring System
Whether you are tuning an engine, analyzing thermal performance, or monitoring multiple temperature points, the MPG-4C delivers the accuracy, flexibility, and reliability needed for confident decision-making.
Contact us today to learn more or select the right thermocouple probes to pair with your gauge.