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RS485 Converters  (RS232 to RS485)

Standard Grade RS232 to RS485 Converters

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-40C to +85C
Low Cost
Auto and RTS Flow Control
DB9 and DB25 (shown)

$49.00 (USD)

Professional Grade RS232 to RS485 Converters
(Non Isolated)

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-40C to +85C
Affordable and Tough
Auto Enabled Flow Control
DB9, DB25, and DIN (shown)
DTE or DCE selectable
RoHS Models

$65.00 to $85.00 (USD)

Professional Grade RS232 to RS485 Converters
Optically Isolated

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-40C to +85C
Optically Isolated
Auto Enabled Flow Control
DB9, DB25, and DIN (shown)
DTE or DCE selectable
RoHS Models

$75.00 to $95.00 (USD)
RS422 Converters  (RS232 to RS422)

Standard Grade RS232 to RS422 Converters

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-40C to +85C
Low Cost
DB25 (shown)

$49.00 (USD)

Professional Grade RS232 to RS422 Converters
(Non Isolated)

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-40C to +85C
Affordable and Tough
DB9, DB25, and DIN RAIL (shown)
DTE or DCE selectable
RoHS Models

$65.00 to $75.00 (USD)

Professional Grade RS232 to RS422 Converters
Optically Isolated

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-40C to +85C
Optically Isolated
DB9, DB25, and DIN RAIL (shown)
DTE or DCE selectable
RoHS Models

$75.00 to $80.00 (USD)
USB Converters (USB to RS485 and USB to RS232)

USB to RS485 Converters

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-40C to +85C
Robust USB to RS485 converter
USB 2.0 compliant High Speed
Self-power with fuse protect
Transient supression on USB and RS485 data lines
Fully plug-and-play
Driver support built into Windows 7 and Linux

$49.00 (USD)

USB to RS232 Converter

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Low Cost USB to RS232 converter
USB 2.0 compliant High Speed
DB9 RS232 interface connector
Fully plug-and-play
Drivers available for Windows OS

$39.00 (USD)
RS232 to TTL/CMOS Converters

RS232 to TTL and RS232 to CMOS Converters

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-40C to +85C
Selectable DTE/DCE configurations
DB25 Connector RS232 interface
7 position Terminal TTL connection

$36.00 to $41.75 (USD)
RS232 and RS485 Repeaters, Optical Isolators, and Specialty Products

RS232 Repeater and Optical Isolator

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-40C to +85C
RS232 Repeater and Optical Isolator
DB-25 Connection
Isolate and Repeat RS232 communications
4 data lines: Tx, Rx, RTS, CTS
3KV Isolation

$136.00 (USD)

RS485 Repeater 

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-40C to +85C
RS485 Repeater with auto flow control
Extend RS485 lines over 4000 feet

$99.00 (USD)

Addressable RS232 to RS485 

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Easily connect any RS232 device to RS485
Address RS232 devices over 4000 feet away
Independent RS232 and RS485 BAUD rates

$220.00 (USD)
RS232 Data Acquisition

100 Series RS232 Data Acquisition


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Low Cost RS-232 Data Acquisition Modules

10 bit analog
8 A/D channels
0-10 V input
8 Digital I/O lines

$85.00 to $110.00 (USD)

200 Series RS232 Data Acquisition

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Affordable RS232 Data Acquisition

12 bit Analog
0-5 V analog intput
2 A/D channels: 2 optional D/A output channels
8 Digital I/O lines
-40C to +85C Models

$70.00 (no analog) to $195.00 (USD)

300 Series RS232 Data Acquisition

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Flexible RS232 Data Acquisition

12 bit analog
0-5 V analog intput
8 A/D channels: 2 optional D/A output channels
16 Digital I/O lines
-40C to +85C Models

$95.00 (no analog) to $305.00 (USD)
RS485 Data Acquisition

300 Series RS485 Data Acquisition

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Flexible RS485 Data Acquisition
Up to 8 A/D channels: 12 bit 0-5V analog input
Up to 2 D/A channels: 12 bit 0-5V analog output
16 Digital I/O lines
-40C to +85C Models

$100.00 (no analog) to $315.00 (USD)
Other Data Acquisition Products

Remote Contact Extender & Counters

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Special Data Acquisition
Digital Remote Contact Extender
8 Digital Remote Contacts Bi-directional
Counter Module with 16 Counters
2KC count rate
$100.00 (no analog) to $315.00 (USD)
Data Acquisition Add Ons and Accessories

Data Acquistion Analog Add-Ons and Accessories

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Signal conditioners
Analog amplifiers
4-20ma adapters
DB15 terminal blocks
DB15 breakout terminals
Power supply and pre-regulators

Data Acqustion Digital I/O Add-Ons and Accessories

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Opto-22 digital I/0 boards
90-140 VAC optical isolated inputs
3.3-32 VDC optical isolated inputs
12-140 VAC optical isolated outputs
3-60 VDC optical isolated outputs
DB25 terminal blocks
DB25 breakout terminals
Power supply and pre-regulators
DB Termination Boards, Power Supplies, D-Sub Cables & Connectors

Power supplies, Cables, and D-Sub adapters

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USB cables
DB9 cables
DB25 cables
DB9 to DB25 cables
DB9 gender changer
DB15 gender changer
DB25 gender changer
NULL modem adapters
RS485 wiring accessories
Power supply and pre-regulators

D-Subminiature Termination Boards

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Very popular D-Subminiature Terminal Products

DB9 terminal blocks
DB9 breakout boards
DB15 terminal blocks
DB15 breakout boards
DB25 terminal blocks
DB25 breakout boards