Bridge Conditioners Specifications

Transducers & Excitation


	Voltage Excitation Supply?		Device has a voltage output that is meant to power or activate the sensor whose signal the device is receiving.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Current Excitation Supply?		Device has a current output that is meant to power or activate the sensor whose signal the device is receiving.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Form Factor


	Form Factor
	Your choices are...
	Integrated Circuit (IC)		Devices are integrated circuit (IC) chips that mount on printed circuit boards (PCBs).
	Printed Circuit Board (PCB)		Devices are printed circuit boards (PCBs) that attach to enclosures or plug directly into computer backplanes.
	Panel / Chassis Mount		Devices attach to a panel or bolt onto a chassis.
	Modular Bay / Slot System		Devices stack in modular bays or slots and can be interfaced to other units.
	Rack Mount		Devices are rack-mounted and fit inside enclosures such as a standard 19” telecommunications rack.
	DIN Rail		Devices mount on a standard DIN rail. DIN is an acronym for Deutsches Institut für Normung (DIN), a German national organization for standardization.
	Stand Alone		Devices are benchtop or floor-standing units with a full casing or cabinet and an integral interface.
	Other		Other unlisted form factors.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Signal Inputs


	DC Voltage Input?
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	DC Current Input?
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	AC Voltage Input?
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	AC Current Input?
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Frequency Input?		Input for varying frequency, pulse, or other specialized waveform.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Charge Input?		Charge is the output of a piezoelectric device. A charge signal typically requires filtering and amplification.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Sensor Inputs


	Accelerometer Input?		Input specifically for an accelerometer, such as a piezoelectric or current-fed sensor.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Thermocouple Input?		Input for a thermocouple or thermocouple series.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Thermistor Input?		Input for thermistors and potentiometers handle variable resistance as a function of the process being measured.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	RTD Input?		Input designed for a resistance temperature detector.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Strain Gauge / Bridge?		Input designed for a Wheatstone bridge, in full, half, or quarter bridge configurations. Strain gauges are sensors which commonly utilize Wheatstone bridges.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	LVDT / RVDT Input?		Input for a Linear (LVDT) or Rotary (RVDT) Variable Differential Transformer.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Other Input?		Unlisted or specialized input.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Outputs


	Voltage Output?		Variable voltage output such as 0-10V, ±5V, etc.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Current Output?		Variable current level output such as 0-20mA, 4-20 mA current loop, etc.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Frequency Output?		Output is a frequency or pulse signal such as AM, FM, or PWM monitoring or control.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Timer / Counter Output?		Output is a counting or timing of measured events.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Relay Output?		Switch type output; contacts are open or closed depending on the state of one or more of the inputs.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Resistance / Potentiometer Output?		Output is a variable resistance such as a potentiometer.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Other Output?		Unlisted or specialized output.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

User Interface


	User Interface
	Your choices are...
	None		No user input or programmability; "black box" style of storage for download or processing elsewhere.
	Front Panel & Display		Integral controls, keypad, and/or display on the panel of the unit.
	Touch Screen		The device's visual display screen is contact sensitive to allow direct input.
	Hand-held / Remote Programmer		Interface unit specifically meant to hold in hand while entering program parameters; may include remote programming.
	Computer Programmable		Device is interfaced to a separate supervisory or host computer.
	Other		Any unlisted user interface method.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Network Specifications


	Networkable System?		Device is designed to communicate with or be a node of a digital network.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Network Options:
	Your choices are...
	Ethernet		A standard method of connecting computers to a local area network (LAN) using coaxial cable.
	CANbus		CANbus is a high-speed serial data network engineered to exist in harsh electrical environments.
	DeviceNet		DeviceNet is a network designed to connect industrial devices such as limit switches, photoelectric cells, valve manifolds, motor starters, drives, and operator displays to PLCs and PCs. The network eliminates hard wiring while providing device-level diagnostics.
	SDS		Smart Distributed System (SDS) is an advanced bus system for intelligent sensors and actuators using CAN-based technology.
	Foundation Fieldbus		A bi-directional communications protocol used for communications among field instrumentation and control systems.
	Profibus		PROFIBUS is a vendor-independent, open field bus standard used in a wide variety of manufacturing and process automation applications.
	SERCOS		(SErial Real-time COmmunications System) is an open controller-to-intelligent digital drive interface specification, designed for high-speed serial communication of standardized closed-loop data in real-time over a noise-immune, fiber-optic cable.
	IEEE P1451		A standard designed to produce network-capable, network-independent smart sensors. With the standard, all transducers are identical, regardless of the target network or fieldbus.
	Beckhoff I/O		A communications system that couples open fieldbus protocols to Beckhoff's Bus Terminal I/O. This allows connectivity to a large variety of devices on the Bus Terminal (K-bus).
	IEEE 1394 (Firewire®)		The IEEE 1394 standard is a scalable, flexible, digital interface designed by Apple Computer, Inc., to integrate the worlds of consumer electronics and personal computers. The IEEE 1394 standard defines both a back plane physical layer and a point-to-point cable-connected virtual bus implementations. FireWire, Apple's implementation of IEEE 1394, is a fast peripheral standard for use with multimedia peripherals such as video camcorders and other high-speed devices like the latest hard disk drives and printers.
	Other		Any unlisted network system; may include proprietary networks.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Filter Specifications


	Integral Filter?		A filter will allow certain signal frequencies to pass while attenuating others. Filters can operate on signal phase also.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Filter Architecture:
	Your choices are...
	Analog (RC)		An analog filter is designed with resistors and capacitors. It is used for analog signals only and is often used in low-noise requirement applications.
	Digital (FIR, IIR)		A digital filter is designed with solid state components and is used for digital signals and quantized signals from a sample-and-hold amplifier. This category includes Finite Impulse Response (FIR) and Infinite Impulse Response (IIR) filters. Digital filtering can approach ideal bandpass characteristics.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Number of Poles:		Poles are a measure of complexity of the filter circuitry. In general, more poles will provide a steeper roll-off for a given filter type.
	Your choices are...
	2
	4
	6
	8
	Other
	Search Logic:		Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Low Pass Cutoff Frequency:		Nominal frequency below which input signal is passed and above which the signal is blocked.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	High Pass Cutoff Frequency:		Nominal frequency above which the input signal is passed and below which the signal is blocked.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Anti-aliasing Filter?		Aliasing is the misrepresentation of a signal that comes from an improperly slow sampling of a signal. An anti-aliasing filter generally has a sharper cut-off than a normal low-pass filter to reduce this misrepresentation due to the influence of frequencies higher than desired. It is specified according to the sampling rate of the system and there should be one filter per input signal.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Programmable Filter?		Filter parameters such as cutoff frequencies may be interactively programmed by user.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Amplifier Specifications


	Integral Amplifier?		Amplifiers multiply a signal to the matching scale of the input device. Amplifier gains, or multiplication factors, may be greater than one or fractional for signal reduction.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Programmable Gain?		Amplifier gain may be adjusted according to the application needs. Adjustment may be from a local interface (such as a front panel) or from a computer interface.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Gain Range:		Gain is the factor by which the input signal is multiplied. Gains are frequently greater than unity, but may be fractional when a reduction (attenuation) of signal amplitude is desired.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.

	Maximum Output:		This is the limit of output voltage.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Bandwidth:		Bandwidth is the difference between the high and low limits of the frequency response, typically defined by a variation from a nominal value by a stated value such as 3 dB.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

Environment


	Operating Temperature:		Full required range of ambient operating temperature.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.

	Vibration Rating:		Maximum vibration that the device can withstand and still meet performance specifications.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Shock Rating:		Maximum shock that the device can withstand and still meet performance specifications.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

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