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Product Bulletin
PT Series
Combined
Pressure /Temperature Sensor
Texas Instruments introduces the
PT Series pressure/temperature
Sensor to provide system designers
with twice the output information in
a single package, from the same
source point. Originally developed
for demanding under-hood
automotive environments, the PT
Sensor is made to withstand the
rigors of today's applications.
Pressure: The pressure transducer
is a 0-5 Vdc high level output design
that requires no end-user amplifica-
tion. Similar to other TI pressure
transducers, the voltage output is
ratiometric to supply voltage. With a
data conversion circuit referenced to
supply voltage*, accuracy can be
maintained regardless of supply voltage
variation.
Temperature: The temperature
sensor is an NTC thermistor (resis-
tance decreases with increasing
temperature) with either 10KΩ or
100KΩ value @ 25oC. Unlike other
integrated packages, TI's PT Sensor
places the thermistor directly in the
measurement medium (fluid stream),
which provides faster reponse time
and greater accuracy over encased
or pipe-mounted thermistors.
Packaged with an AMP Micro-Quadlok
System™ connector, the sensor has a
steel or brass housing, and is available
in two pressure ranges: 0-150 or
0-500psi with a variety of pressure
fittings.
*in the user's circuitry
Technical Specifications
Pressure Ranges
0-150, 0-500 psia/psis (sealed gage)
Performance (pressure)
Accuracy +/-0.75% Span
(linearity, hysterisis, repeatability)
Temperature (nominal) +/- .016% Span
per oC
Performance (temperature)
Accuracy +/-1% (delta R/R)
Resistance @25oC 10K or 100KΩ
Operating Temperature*: -40oC to 135oC
*refer to chart for seal compatibility
Micro-Quadlok System™ is a trademark of Tyco Electronics Corp.
Electrical
Supply Voltage (Vcc)
Output Voltage
Supply Current
Output Current
Output Load Range
Output Response Time
Overvoltage Protection
Reverse Voltage Protection
Physical
Proof Pressure
Burst Pressure
Cycle Life
Vibration
Drop
Electrical Connection
AMP MQS
Weight
1450psig (500psi model)
2400psig
200K cycles
5g
1m any axis
1.5oz. max.
4.5-5.5Vdc
Up to 100%
of supply Vcc
15.0mA max
8.0mA
10K-50KΩ
10mS
10Vdc
10Vdc
Seal Compatibility Guide
Type Seal Material Media Compatibility
(Contact TI for more information)
Maximum Seal
Temperature Range
B
E
F
H
N
V
Nitrile (BUNA-N,NBR)
Ethylene Propylene
Fluorosilicone
HNBR (Hydrogenated Nitrile)
Neoprene
Fluorocarbon (Viton™)
Petroleum oils, lubricants, detergent solutions, helium
Steam, soaps, polar solvents, brake fluid, acetone, Skydrol™
Chlorinated solvents, oils, fuels, air
Refrigerants, petroleum oils, lubricants, detergent solutions
Refrigerants (freons, ammonia)
Fertilizers, freons, butanes, oils, trichloroethylene
-20oC to +100oC
-40oC to +135oC
-45oC to +135oC
-20oC to +135oC
-40oC to +120oC
-26oC to +135oC
Skydrol™ is a trademark of Monsanto Company.
Viton™ is a trademark of the E.I. duPont de Nemours Company.
Dimensions: Inches(mm)
(psia, psis)
ELECTRICAL CONNECTOR PIN TABLE
PIN 1 SIGNAL GROUND
PIN 2 PRESSURE OUTPUT (VOLTAGE)
PIN 3 THERMISTOR OUTPUT (RESISTANCE)
PIN 4 POWER
Pressure Ranges 0-150 (psia, psis) 0500
Pressure Reference Aabsolute Ssealed gage
Room Temp Resistance 01 10KΩ @ 25oC02 100KΩ @ 25oC
Highlighted choices indicate standard items
© 2000 Texas Instruments Incorporated
Printed in U.S.A. 10-00
PT Series
(24mm Hex-on-body)
01 M12 x 1.25 - 6g-steel
02 1/4"-18 NPT Male Dryseal - Steel
03 M12 x 1.25 - 6g-Brass
04 1/4"-18 NPT Male Dryseal - Brass
PT 01 0150 A 01 H
Important Notice: Texas Instruments (TI) reserves the right to make
changes to or discontinue any product or service identified in this publication
without notice. TI advises its customers to obtain the latest version of
the relevant information to verify, before placing any orders, that the
information being relied upon is current. TI assumes no responsibility for
infringement of patents or rights of others based on TI applications
assistance or product specifications snce TI does not possess full access
concerning the use or application of customers' products. TI also assumes
no responsibility for customers' product designs.
PT Series
Combined Pressure/Temperature Sensor
Dimensions
Ordering Information
EXAMPLE:
Series
Pressure Connection
Pressure Range
Pressure Reference
Room Temp resistance
Seal Material
PT
M12 x 1.25 - 6g steel
0-150 psi
Absolute
10KΩ
HNBR
STANDARD OPTIONS
Pressure Connection
24 D HEX
3-PLACES
PIN 4
PIN 3
PIN 2
PIN 1
6o REF
2.56 (65.0)
0.76 (19.4) 1.80 (45.6)
1/4 - 18 NPT or M12 x 1.25 THREAD
Texas Instruments Incorporated
34 Forest St., MS 23-10
Attleboro, MA 02703-0964
Phone: 1-888-438-2214
Fax: (508) 236-2349
email: tisensors@ti.com
www.tisensors.com
