NovaStar MTH310 temperature sensor for LED displays
The MTH310 monitors ambient temperature so a compatible LED display system can show the temperature on screen. NovaStar specifies connection to the MFN300 multifunction card. Its IP65-rated sensor and extendable cable allow the sensing point to be positioned away from the control equipment.
MTH310 specifications
| Parameter | Specification |
|---|---|
| Function | Ambient temperature measurement for display on an LED screen |
| Compatible function card | NovaStar MFN300 |
| Temperature measurement range | −20 to +75 °C |
| Working environment temperature | −25 to +85 °C |
| Working environment humidity | 0–99% |
| Protection rating | IP65 |
| Standard cable length | 5 m |
| Extended cable length | Up to 100 m |
| Rated voltage | 5.0 V |
| External power supply | Not required |
Connecting and selecting the sensor
Check the MFN300 connection diagram in the downloadable specification before wiring the sensor. The rated voltage is 5.0 V, but NovaStar states that a separate external power supply is not required.
The measurement range and working-temperature range serve different purposes. Use −20 to +75 °C when checking the temperatures you need to measure; −25 to +85 °C describes the specified working environment. The document does not provide a measurement-accuracy value or cable-extension wiring specification, so confirm those requirements before selecting an extension or designing around a particular accuracy target.
Frequently Asked Questions
What does the NovaStar MTH310 measure?
It measures ambient temperature so that the temperature can be shown on an LED display through the compatible control system.
Which NovaStar card connects to the MTH310?
The linked MTH310 V2.1.2 specification names the MFN300 function card. Use its connection diagram to confirm the wiring; compatibility with other products should be checked separately.
What is the MTH310 temperature measurement range?
The measurement range is −20 to +75 °C. Its working environment is separately specified as −25 to +85 °C, which does not extend the stated measurement range.
Is the MTH310 waterproof and how long is the cable?
NovaStar specifies an IP65 protection rating. The standard cable is 5 m and can be extended to 100 m. Confirm the correct extension and connection details for the installation.
Does the MTH310 need a separate power adapter?
No external power supply is required according to the specification. The sensor’s rated voltage is 5.0 V and it is used with the specified MFN300 connection.







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