Railway Sensors for Engine Management

Thermometrics Coolant Temperature Sensor (CTS) monitors the temperature of the coolant that is being pumped around the battery to cool the battery module of EV/PHEVs. If the battery module starts to overheat, the Coolant Temperature Sensor relays a signal to the Battery Management System (BMS). The BMS uses this information to prevent battery packs from any damage and maximize the performance.

Thermometrics Type JR NTC Chip Thermistors in Eyelet Tag are chip thermistors with insulated flexible wires and housed in an eyelet tag. They are suitable for surface temperature measurement. Typical applications include semi-conductor heatsinks and enclosure panels.

The Thermometrics Mid-Range Temperature Probe works in a variety of temperature applications in the appliance and industrial segment.

Thermometrics JS8746 Harsh Environment Temperature Sensor has been designed to address all aspects of temperature measurement for HVAC control systems in the container-ship market, in addition to industrial applications, such as compresors, condensing units, heat pumps, air conditioning. Employing materials and build standards that enhance the sensor’s ability to withstand water ingression and degradation by the marine environment, the sensor meets statutory requirements for temperature measurement and performance expectations.

Thermometrics JRI Series of Noise Immune Ring Terminal Temperature Sensors consists of an NTC chip thermistor mounted in an eyelet tag for surface temperature measurement with a novel radio frequency (RF) decoupling function.

Thermometrics Inline Flow-Through Temperature Sensors monitor the temperature of a fluid that passes through it. A system control module receives this temperature reading and uses a control loop to control the overall system temperature. This could be engine temperature, heater temperature, industrial supply temperature, etc.

Thermometrics GE-2133 Series of General Fluid Temperature Sensors measures and monitors the temperature of a variety of fluids. The spring clip design secures the sensor in place and provides a quick means for installation and removal.

Thermometrics GE-1923 Outside Air Temperature Sensor (OAT) measures the temperature outside the passenger compartment of a vehicle and relays the outside air temperature to the controller of the automatic HVAC system. The controller uses this temperature to assist in controlling the interior temperature of the vehicle. The sensor also provides the vehicle occupants with temperature readings from outside the car, which is particularly useful when driving in near freezing or freezing conditions.

Thermometrics GE-1920 HVAC Refrigerant Temperature Sensor measures the refrigerant temperature both at the high pressure side and low pressure side of the line. The control module uses this information to maximize the performance of the HVAC system.

Thermometrics GE-1856 Intake Air Temperature Sensor (IAT) monitors the temperature of the incoming intake air for an engine and provides a signal output that is proportional to air temperature. This signal can be used as an input to provide a signal to an Engine Control Unit (ECU), which uses this information to adjust fuel delivery and optimize the air-to-fuel ratio to produce the most efficient combustion. GE-1856 is also suitable for air duct temperature measurement in non-condensing HVAC applications.

Thermometrics Oil Temperature Sensor (OTS) monitors the temperature of the engine oil in a vehicle and displays this measurement to the vehicle’s occupants. If a vehicle operates at too high a temperature, the engine can be in danger of damage.

Thermometrics GE-1711 / GE-1797 Engine Temperature Sensor (ETS) monitors the temperature of the coolant, oil or fuel being used in an engine.

Thermometrics GE-1571 Stainless Steel Sensor with Flying Leads is designed to survive the vibration rigors of automotive, small gas engine, motorcycle and outboard engine applications. In addition to its ruggedness, this sensor offers fast response with a temperature rating of –40°C to 230°C.

Thermometrics Water Temperature Sensor (WTS) monitors the temperature of the coolant that is being pumped around the engine block to cool the engine to notify the driver of the vehicle if the engine starts to overheat. The goal is to relay an over-temperature engine temperature to the driver, so that the vehicle can be stopped and the engine switched off before the heat causes any permanent damage to the engine.

Thermometrics Exhaust Gas Recycle Temperature Sensor (EGR) is used to monitor the temperature at several locations in a diesel engine, as part of the engine control strategy. Available in both 150°C and 300°C temperature versions, the high temperature sensor is used in the exhaust gas, and the low temperature sensor is used in the intake air stream. Both are designed for fast response, optimized for thermal dissipation and suitable for high vibration and corrosive environments.

Thermometrics Cylinder Head Temperature Sensor is designed to take the place of one of the cylinder head bolts on a diesel engine. The sensor’s purpose is to measure the cylinder head temperature and to signal the vehicle’s operator if an engine overheats.

Thermometrics Humidity, Pressure and Temperature Combination Sensor is a smart combination intake manifold sensor capable of providing up to five measurements, including relative humidity, temperature, manifold pressure and barmetric pressure ...

Thermometrics Ambient Air Temperature Sensor measures the temperature outside the passenger compartment and is usually mounted inside or near the front bumper.

Thermometrics Accusolve Diesel Particulate Filter (DPF) Soot Sensor utilizes radio frequency technology to enable accurate measurement of accumulated soot in the DPF, providing real-time soot loading data and real time closed loop control of the DPF regeneration process.

Thermometrics Transmission Fluid Temperature Sensor (TFT) measures the temperature of transmission fluid. It provides input to the control module to modify shift patterns for smoother shifting in automatic transmissions, and also provides over-temperature protection by locking the torque convertor.

Thermometrics Fuel Temperature Sensor (FTS) is designed to measure the temperature of a vehicle's fuel and relay this information to the engine control unit, so that it can optimize the air-to-fuel mix ratio, depending on what the fuel temperature is with respect to the intake air temperature. The sensor enables the vehicle to run at maximum efficiency based on temperature.

Thermometrics A-1737 Motor Coil Temperature Sensor provides temperature measurement of the motor coil to detect increases in current that could lead to failures, as well as to monitor temperature of motor windings to warn of over-temperature conditions.

Thermometrics Battery Pack Temperature Sensor is a ring terminal temperature sensor that measures surface temperature. It is important to monitor the temperature on hybrid batteries for overcharging protection, as well as to optimize battery performance.

Thermometrics A-1325/A-1326 Temperature Sensor monitors the temperature of the incoming intake airflow for an engine and provides a signal output that is proportional to air temperature. This signal can be used as an input to a temperature gauge, or to provide input to an Engine Control Unit (ECU). The ECU then uses this information to adjust fuel delivery and optimize the air-to-fuel ratio to produce the most efficient combustion.

Thermometrics Types RL35/40/45 of Radial Lead NTC Thermistors consist of point-matched disc thermistors with bare lead wires. They are suitable for PCB and probe mountings with high sensitivity to changes in temperature and a wide operating range of -58°F to 302°F (-50°C to 150°C).

Thermometrics Type RL30 of Radial Lead NTC Thermistors consist of point-matched disc thermistors with bare lead wires. They are suitable for PCB and probe mountings with high sensitivity to changes in temperature and a wide operating range of -58°F to 302°F (-50°C to 150°C).

Thermometrics Type RL20 of Radial Lead NTC Thermistors consist of point-matched disc thermistors with bare lead wires. They are suitable for PCB and probe mountings with high sensitivity to changes in temperature and a wide operating range of -58°F to 302°F (-50°C to 150°C).

Thermometrics Type RL14 of Radial Lead NTC Thermistors consist of point-matched disc thermistors with bare lead wires. They are suitable for PCB and probe mountings with high sensitivity to changes in temperature and a wide operating range of -58°F to 302°F (-50°C to 150°C)

Thermometrics Type RL10 of Radial Lead NTC Thermistors consist of point-matched disc thermistors with bare lead wires. They are suitable for PCB and probe mountings with high sensitivity to changes in temperature and a wide operating range of -58°F to 302°F (-50°C to 150°C).

Thermometrics NTC Lead Chip Thermistors are compact in size and designed for accurate temperature measurement, control and compensation in automotive, HVAC and white goods applications.

Thermometrics Type CR1 are NK format NTC Chip Thermistors consisting of Tin (Sn) coated Alloy 52 leads with a high performance acid and moisture resistant coating. They are ideal for harsh environment applications and high volume assembly.

Thermometrics TG Series of NTC Thermistors are glass-sealed radial type thermistors with a water and oilproof design, featuring high temperature resistance and accuracy. For use in a wide variety of applications, including automotive, heating/cooling devices, boiler systems and appliances.

Thermometrics Miniature Series of Glass Bead NTC Thermistors offers a range of miniature thermoprobes consisting of a large bead thermistor hermetically sealed in the tip of a shock resistant solid glass rod. They offer improved, long-term stability and high reliability.

Thermometrics HTP Series of NTC Type High Temperature Probes consists of a bead thermistor hermetically-sealed in the tip of a shock resistant glass rod. These units are rugged and unaffected by severe environmental exposures. They exhibit excellent stability for all temperatures at or below 842°F (450°C). Intermittent operations at temperatures up to 1112°F (600°C) are permissible.

Thermometrics GC Series of Glass-Encapsulated NTC Chip Thermistors consists of small glass-encapsulated chip thermistors on fine diameter platinum alloy lead wires. Suitable for temperature measurement, control and compensation applications, as well as self-heated applications, such as liquid level sensing or gas flow measurement.

Thermometrics Diode Series of Glass-Encapsulated NTC Thermistors consists of a range of NTC chip thermistors in DO-35 style glass package (diode outline) with axial solder-coated copper-clad steel wires. Designed for accurate temperature measurement, control and compensation in various applications. Glass body provides hermetic seal and voltage insulation and excellent stability.

Thermometrics Epoxy-Coated Type NKI of Noise Immune Thermistors are newly developed, consisting of a noise immune NTC thermistor with an integrated radio frequency (RF) decoupling function, providing protection from electromagnetic interference (EMI) at the component level over a wide frequency range.

Thermometrics Epoxy Type NDP NTC Thermistors are epoxy-coated chip thermistors with PFA/PTFE insulated 0.25 mm (0.0078 in) nickel lead wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155°C (311°F), they are used in automotive, HVAC and white goods applications.

Thermometrics Type NDM of Epoxy NTC Thermistors are epoxy-coated chip thermistors with bare 0.007 in (0.2 mm) tinned copper lead-wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155°C (311°F), they are used in automotive, HVAC and white goods applications.

Thermometrics Epoxy Type NDL NTC Thermistors are epoxy-coated chip thermistors with bare 0.0098 in (0.25 mm) tinned copper lead-wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155°C (311°F), they are used in automotive, HVAC and white goods applications.

Thermometrics Epoxy Type NDK NTC Thermistors are epoxy-coated chip thermistors with 0.2 mm (0.007 in) tinned monel lead wires. Designed for accurate temperature measurement, control and compensation, with operation up to 155°C (311°F), they are used in automotive, HVAC and white goods applications.

Thermometrics Epoxy Type MS NTC Thermistors are epoxy-coated chip thermistors with 0.254 mm (0.01 in) nickel PTFE lead wires. They are used for temperature measurement, control and compensation with a range of -50°C to 150°C (-58°F to 300°F).

Thermometrics Epoxy Type 65 NTC Interchangeable Thermistors are epoxy-coated interchangeable chip thermistors with heavy isomid insulated nickel lead wires. They provide accurate temperature measurement, control and compensation with use over a range of -40°C to 105°C (-40°F to 221°F) and high sensitivity greater than -4%/°C at 25°C (77°F).

In Part 5 of our "Thermistor Stability Benchmarking" Series, we discuss uses for Thermocon, HVAC, Discharge Air Temperature Sensors (DATS), and Boiler and Pipe Applications, along with the potential implications of reduced stability in such components

Telaire T9602 IP67 Harsh Environment Humidity & Temperature Sensor is a fully-calibrated and temperature-compensated combined humidity and temperature sensor supplied in a water-resistant IP67 package, making it the most advanced and cost-effective sensing solution for virtually any type of harsh environment application.

Telaire T3000 Series is a range of Carbon Dioxide (CO2) Sensors designed to meet the specific needs of customers who require measuring CO2 in harsh or difficult environments. Based on a series of modules, the casing offers a number of combinations to meet the needs of range, supply voltage, and output type in various applications. Example applications include incubators, buses, refrigerators, subway stations, and railway carriages.

Telaire HS30P is a bulk-resistance type of Relative Humidity (RH) Sensor providing a variable impedance value in response to the adsorbed water within the sensor’s proprietary thin-film polymer.

Telaire HS20 is a bulk-resistance type of Relative Humidity (RH) Sensor providing a variable impedance value in response to the adsorbed water within the sensor’s proprietary thin-film polymer.

Telaire HS12SP is a bulk-resistance type of Relative Humidity (RH) Sensor providing a variable impedance value in response to the adsorbed water within the sensor’s proprietary thin-film polymer.

The NovaSensor NPP-301 Series features silicon pressure sensors in surface mount packages.

NovaSensor NPA Series of Surface-Mount Pressure Sensors is provided in a miniature size as a cost effective solution for applications that require calibrated performance. The sensor is intended for printed circuit board mounting and delivered in tape and reel form to simplify manufacturing handling.

NovaSensor FMA Series of Filtration Air Restriction (FAR) Sensors accurately measure the pressure loss across a variety of air filtration devices utilizing high accuracy NPA piezoresistive technology ...

Thermometrics Pressure & Temperature Combination Sensor provides both pressure and temperature measurements in one sensor assembly. This sensor assembly features robust internal circuit protection and sealed integral connection system, which makes it ideal for automotive, heavy equipment, agricultural, electric vehicle, and generator set applications.