Calex Signal Conditioners  
 
 
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 Our Products

 Instrumentation
 Monitoring/Display
 Signal Conditioning


 Stress Analysis
 Strain Gauges


 Transducers
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 Our Manufacturers

 Ashcroft
 Calex
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 Celesco
 Data Track
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 Strainsert
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 Trans-Tek
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 Vishay Measurements Group

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.

  Calex Signal Conditioners
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

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

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

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

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

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

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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Office Locations
1-800-465-1600

Montreal
514-333-0930

Ottawa
613-723-1828

Toronto
416-445-5500

Winnipeg
204-895-2037

Calgary
403-254-0095

Vancouver
604-270-9538