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Our
Products
Instrumentation
Monitoring/Display
Signal
Conditioning
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Analysis
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Manufacturers
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Environmental
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The Calex product offering includes
instrumentation amplifiers and other instrumentation modules for
conditioning low level DC signals with special focus on strain
gage signal conditioning. Calex also manufactures a variety of
analog I/O modules for Micro PLCs. Input options include TC, RTD,
Strain gage, 0-10V and 4-20 mA. Calex is ISO 9001 registered and
fully complies with the quality and reliability requirements of
manufacturing companies throughout the world.
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Calex Signal Conditioners
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The
Model 430 is a current output signal conditioner,
complete with a true differential input instrumentation
amplifier, and a highly stable bridge excitation supply.
It is powered from the AC line. The input amplifier incorporates
a two pole roll off, 3 Hertz filter to reduce the influence
of mechanical noise and power line interference on the
input. The unit is encapsulated in an epoxy filled plastic
container with through bolt mounting holes and screw terminal
barrier strips for easy attachment of all wires.
Features !
Complete Sensor Signal Conditioner with Current Output
! 115 Volts AC is all that is required ! Adjustable Voltage
Excitation Supply ! Adjustable Gain Amplifier for Sensor
Full Scale Outputs from 10 to 50 mV ! Zero Current Adjustable
from 0 to +12 mA ! 4-20, 0-20, or 12 ±8 mA Operation !
Rugged Epoxy Encapsulated Self Contained Unit with Screw
Terminal Connections
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The
Model 433 is a self contained, AC powered signal
conditioner for bridge type instrumentation. It contains
a precision instrumentation amplifier with isolated, filtered
output and a highly regulated, low noise, adjustable output
bridge excitation source. The unit is completely encapsulated
for use in rugged environments.
Features ! Complete Strain
Gage Bridge Signal Conditioner ! Isolated 4-20 mA or 0-20
mA Output ! Output Capable of Driving 1000 ohm Loop !
Bridge Balance with 80% Tare Offset Capability ! High
Gain Amplifier; Can Accept Full Scale Live Load Signals
as Low as 5 mV and Provide 16 mA Output Span ! Excitation
Supply Capable of Driving Four Load Cells ! AC Powered
! Rugged Epoxy Encapsulated Design
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The
Model 436 is a self contained, current output,
DC powered signal conditioner for bridge type instrumentation.
It contains a precision differential amplifier with filtered
output and a highly regulated, low noise, adjustable output
bridge excitation source. The Model 436 contains an isolated
DC/DC converter which operates off 10 to 36 Volts DC.
The unit is completely encapsulated for use in rugged
environments.
Features ! Complete Strain
Gage Bridge Signal Conditioner ! 4-20 mA or 12 ±8mA Output
! Contains Isolated DC/DC Converter ! Use with 0.5mV/V
to 10mV/V Sensors ! Drives Four 350 ohm Bridges at 10
Volts ! Rugged Epoxy Encapsulated Design
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The
Model 437 is a self contained, DC powered signal
conditioner for bridge type instrumentation. It contains
a precision differential amplifier with filtered output
and a highly regulated, low noise, adjustable output bridge
excitation source. What sets the 437 apart is a Bridge
Balance pot and high gain capability to accurately condition
load cell weighing systems with large tare offsets and
small live load signals. The unit is completely encapsulated
for use in rugged environments. ! Process Control Add-on
Loops
Features ! Complete Strain
Gage Bridge Signal Conditioner ! 4-20 mA or 0-20 mA Output
! Output Capable of Driving 1000 ohm Loop ! Bridge Balance
with 68% Tare Offset Capability ! High Gain Amplifier;
Can Accept Live Load Signals as Low as 3 mV and Provide
16 mA Output Span ! Sufficient Excitation Current for
Five Load Cells ! Powered by 10 to 36 VDC Unregulated
! Rugged Epoxy Encapsulated Design
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The
Model 460 Bridgesensor is a self contained,
AC powered, signal conditioning module for bridge type
instrumentation. It contains a precision differential
instrumentation amplifier with filtered output and a highly
regulated, low noise, adjustable output bridge excitation
source. The unit is completely encapsulated for use in
rugged environments. The output filter cutoff frequency
is 2000Hz and may be lowered by adding two external capacitors.
Features ! 2 kHz Frequency
Response ! Rugged, Compact And Fully Encapsulated ! Complete
System-just Add AC Power ! Ready To Use With Screwdriver
Wiring ! Stable and Accurate
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The
Model 463 is a self contained, AC powered signal
conditioner for bridge type instrumentation. It contains
a precision instrumentation amplifier with isolated, filtered
output and a highly regulated, low noise, adjustable output
bridge excitation source. The unit is completely encapsulated
for use in rugged environments.
Features ! Complete Strain
Gage Bridge Signal Conditioner ! Isolated 10 Volt Output
! Bridge Balance with 80% Tare Offset Capability ! Excitation
Supply Capable of Driving Four Load Cells ! AC Powered
! Rugged Epoxy Encapsulated Design
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The
Model 465 is a self contained, AC powered,
signal conditioning module for bridge type instrumentation.
It contains a precision differential instrumentation amplifier
with filtered output and a highly regulated, low noise,
adjustable output bridge excitation source. The unit is
completely encapsulated for use in rugged environments.
Features ! Rugged, Compact
and Fully Encapsulated ! Complete System - Just Add AC
Power ! Ready to Use with Screwdriver Wiring ! Stable
and Accurate B+ OUTPUT VOLYAGE (VOLTS) The a output bridge
for use
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