Description
Thermopile detectors directly sense thermal radiation, providing
the perfect device for remotely measuring temperatures without
the need for any mechanical chopper. PerkinElmer’s proprietary
and innovative Si-based micromachining technology guarantees
a new generation of components: extreme long-term stability,
very low temperature coefficient in sensitivity, and excellent
repeatability of electro-optical parameters.
Thermopile sensors allow remote temperature sensing at a low
system cost. The sensor does not require cooling, and can reach
an accuracy of ±1°C, dependent on the measurement range.
For narrow temperature ranges, as in body temperature measure-
ment, a precision of 0.1°C is possible.
Thermopile Modules with Integrated Signal Processing:
TPMI®Series
For convenient use, PerkinElmer offers thermopile sensors with
an integrated electronic circuit for the necessary signal condi-
tion and ambient temperature compensation – the TPMI®. This
very compact and miniature thermopile module is offered as a
fully calibrated, ready-to-go sensor. Various temperature ranges
and optics are available.
Isothermal Housing
Fast temperature changes and temperature gradients are known
to influence the output signal of thermal radiation sensors such
as thermopiles and generate a measurement error. Therefore,
PerkinElmer has developed a novel housing concept with large
thermal mass and thermal conductivity. This sensor provides a
stable signal even in demanding industrial, automotive, or med-
ical applications such as ear thermometers, where high accuracy
is required while the sensor is exposed to external heat sources.
Single-Element Thermopile Detectors: TPS Series
The different available chip sizes and packaging types, together
with the variety in window openings with and without a silicon
lens, different filters, enable the adaptation of the PerkinElmer
thermopiles to virtually every application where a remote
temperature measurement or control is needed.
Dual- and Quad-Element Types: TPS 2, TPS 4 Series
PerkinElmer offers thermopile detectors with two or four channels,
each of which can be equipped with one of the many available
infrared spectral bandpass filters. The main application of multiple
channel thermopiles is gas detection through IR absorption.
Prominent gases to be detected are CO2, hydrocarbons and CO.
Thermopile Line and Matrix Arrays: TPL, TPA Series
The new TPA- (matrix array) and TPL- (line array) series offer
multi-element thermopile arrays combined with an optical lens,
amplifier, and interface electronics (multiplexer, ambient
temperature sensor) in a compact TO-39-type housing. Array
sensors are sold as a modular type, i.e. on a PCB with external
data memory. These TPA- and TPL-Modules are precalibrated
with the data stored in an EEPROM.
All thermopile detectors are RoHS compliant.
thermopile detectors
Features
• Available in TO-39 and TO-46
housings
• Available in isothermal housing options
•Integrated signal processing
ASIC available (TPMI®)
• Single, dual or quad elements
• 8-element line arrays and 4x4 matrix
arrays with various lens optics and
integrated ASIC with multiplexer
• Various filters for optical broadband
or narrow-band applications
• Excellent repeatability
of electro-optical parameters
• Ambient temperature reference
(thermistor or high stability
Si-spreading resistor) included
• High chip sensitivity of several
10 V/W; DC radiation sensitive
•Extremely low temperature coefficient
of sensitivity and resistivity
• Constant response over the infrared
spectrum due to patented absorber
technology
• The absence of microphonic
noise effects
• Low susceptibility to electromagnetic
pulses (EMP) due to the low internal
resistance (<100 kΩ)
•Rugged construction based on CMOS
silicon micromachining technology
Typical Applications
• Remote temperature sensing,
hand-held or industrial pyrometers
• Ear or body thermometers
• Temperature control in copiers and
printers
•Sensor modules for control of
air condition systems (heat manage-
ment, home, automotive)
• Temperature-sensor modules in
home appliances
• Sensor arrays for spatial temperature
measurements (imaging applications)
• Presence detection
• Sensors with infrared bandpass
filters for gas detection by infrared
absorption
• Fire detection
• Industrial drying
Datasheets available upon request.
2www.optoelectronics.perkinelmer.com