One stop source of process control solutions & measuring instrumentation for industrial and OEM applications.
Communication
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Big Bear Instruments offers various Communication products for applications where monitoring and control of standard signal is a must. We offer Alarm Relays, Repeaters, Signal Doublers, Signal Conditioners, and Temperature Transmitters manufactured by Knick Interface. Sort by series, input type, working voltage, and input power to match your needed application.
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Knick Interface BasicLine BL510 Standard Isolated Signal Conditioner
$134.00
The BasicLine BL510 Isolator and Signal Conditioner for standard signals is extremely versatile and comes in a slim 6mm housing. It can handle the most commonly used DC voltage and current measurement. It has a 3-port isolation that protects against incorrect measurements or damage. This Knick unit comes with some of the highest reliability in the industry backed by a 3 year warranty.
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Knick Interface BasicLine BL513 Standard Isolated Signal Conditioner
$166.35The BasicLine BL513 Isolator and Signal Conditioner for standard signals is extremely versatile. It can handle the most commonly used DC voltage and current measurement. It has a 3-port isolation that protects against incorrect measurements or damage. This Knick unit comes with some of the highest reliability in the industry backed by a 3 year warranty.
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Knick Interface BasicLine BL520 Temperature Transmitter
$180.25The BasicLine BL520 Temperature Transmitter comes in a slim 6mm housing and a high accuracy of 0.2% due to its innovative circuit design. It is very flexible when it comes to temperature inputs by allowing Pt 100, Pt 1000, and thermocouples type J and K. This Knick unit comes with some of the highest reliability in the industry backed by a 3 year warranty.
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Knick Interface BasicLine BL530 Signal Doubler
$221.85The BasicLine BL530 Signal Doubler is more than just a Signal Splitter. Instead a traditional splitter which splits a signal input as well as divides the output power in 1/2, the BL530 signal doubler takes the input signal and then doubles the signal and power through two galvanically isolated outputs. This unit is perfect for applications for splitting signals without losing any power on the outputs. This Knick unit comes with some of the highest reliability in the industry backed by a 3 year warranty.
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Knick Interface BasicLine BL541-BL542 Loop-Powered Isolated Signal Conditioner
$106.30The BasicLine BL541/BL542 Loop-Powered Isolator and Signal Conditioner for standard signals is extremely versatile. This unit is loop-powered and does not require a separate power supply which reduces the wiring effort by 1/3. It has a low voltage drop of 1.7V and it comes both 1 and 2 channel versions. This Knick unit comes with some of the highest reliability in the industry backed by a 3 year warranty.
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Knick Interface BasicLine BL550 Set-Point Alarm Relay
$180.25The BasicLine BL550 is a highly compact setpoint alarm relay with changeover output contacts. It’s commonly used in simple monitoring and control of standard signals and has NC/NO changeover. Input signals, switching hysteresis and delay are adjustable using DIP switches. This Knick unit has 3-way isolation as well as comes with some of the highest reliability in the industry backed by a 3 year warranty. UL approved and CE compliant.
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Knick Interface BasicLine BL560 Repeater Power Supply
$161.76The BasicLine BL560 repeater power supply is used for 2-wire sensors and is enclosed in a compact 6mm housing. The repeater is often used for supply and signal decoupling of 2-wire sensors in safe areas and is suitable for most loop-powered transmitters and 2-wire sensors. This Knick unit is short-circuit proof as well as comes with some of the highest reliability in the industry backed by a 3 year warranty.
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Knick Interface BasicLine BL570 Universal Isolated Signal Conditioner
$244.95The BasicLine BL570 Universal Isolator and Signal Conditioner is extremely versatile. It can handle universal DC voltage and current measurement, has 480 switchable calibrated ranges without readjustment and currents up to 100mA are measured directly; higher current via external shunt resistor. It has a 3-port isolation that protects against incorrect measurements or damage. This Knick unit comes with some of the highest reliability in the industry backed by a 3 year warranty.