Thermometrics Sensor Assemblies | Combination Sensor

Thermometrics Combination Sensor - Relative Humidity, Temperature, Manifold Pressure and Barometric Pressure

Thermometrics Combination Sensor is a smart combination intake manifold sensor capable of providing up to five measurements, including manifold humidity, manifold temperature, manifold pressure, atmospheric pressure and atmospheric temperature. This sensor is designed for transportation applications that demand highly accurate and reliable measurements, with typical application within the intake air duct. Unique technology designed into the sensor provides unsurpassed accuracy in the marketplace.

Applications

Heavy duty diesel engines
On-road applications
Off-road applications
Generator sets

Features

High accuracy temperature, pressure and humidity sensing elements
CAN2.0 Communication per J1939
Rugged design incorporates sensing elements with demonstrated reliability
Customizable connector and mounting

Specifications

Maximum Ratings	Min	Max	Unit
Storage Temperature	-55	105	°C
Operating Temperature	-40	125	°C
Pressure	0	30	psi
Relative Humidity	0	100	%

Humidity Performance	Min	Typical	Max	Units
Relative Humidity Accuracy¹		±2	±4	%
Relative Humidity Response Time (τ 63%)²		7	20	sec
1. All operating conditions. 2. Measured at 25C 1m/sec airflow from 33%RH to 90%RH.

Pressure Performance	Min	Typical	Max	Units
Barometric Pressure Accuracy – Ambient/Connector^1,2,4 (Full Scale)			±1.5	%
Manifold Pressure Accuracy – Ambient/Connector^2,3,4 (Full Scale)			±1.5	%
Manifold Pressure Accuracy relative to Barometric Pressure (Optional)^3,5		±0.1	±0.5	kPa
Pressure Response Time (τ 63%)		0.2	0.4	sec
1. Optional measurement 2. 15kPa to 120kPa Calibration Range. Custom ranges are available. 3. Pressure drop from ambient to manifold (tip) 0 to 15kPa max when using built-in optional barometric pressure sensor. Custom ranges are available. 4. All operating conditions. 5. Using barometric pressure option allows improved accuracy for measurements of pressure drop betweenbarometric and manifold pressure.

Temperature Performance	Min	Typical	Max	Units
Temperature Accuracy - Manifold/Tip		<±2	±5	°C
Temperature Response Time - Manifold/Tip (τ 63%)¹		30	40	sec
Temperature Accuracy - Ambient/Connector		<±4	±5	°C
Temperature Response Time - Ambient Connector (τ 63%)¹		300		sec
1. 5m/s Airflow