Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
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Product
Sound Level Meters
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Real-time applications for our sound level meters include sound-system setups, music recording, and measurement of the noise produced by a machine or vehicle or typical of an environment. Data logging sound level meters such as our DSM402SD, DSM403SD and DSM20 provide the documentation needed to prove compliance with regulatory limits on noise exposure in public and at work.
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Product
NI-9216, 8-Channel, 400 S/s Aggregate, 0 Ω to 400 Ω, PT100 RTD C Series Temperature Input Module
783863-01
Temperature Input Module
8-Channel, 400 S/s Aggregate, 0 Ω to 400 Ω, PT100 RTD C Series Temperature Input Module - The NI‑9216 is a resistance temperature detector (RTD) input module. You can configure the NI‑9216 for two sample rate modes: high sample rate or high resolution. The NI‑9216 is compatible with 3‑ and 4‑wire RTD measurements, and it automatically detects the type of RTD (3-‑or 4‑wire) connected to the channel and configures each channel for the appropriate mode. The module provides per channel current excitation. The NI‑9216 features calibration and includes a channel‑to‑earth ground double isolation barrier for safety, noise immunity, and a high common-mode voltage range.
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Product
Low Noise Amplifiers
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RPG Low Noise Amplifiers are developed and manufactured using the most modern discrete components and thin film technologies, in order to cover the frequency range 50 to 350 GHz. With improved DC-supply and modern semiconductors these amplifiers not only deliver low noise performance but also broad operating bandwidth and gain flatness. These low-noise amplifiers are available as a standard product and on request as customized manufactured product.
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Product
Wideband Transmitter
SMWB
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To meet the demands for a variety of RF environments and applications, the “WB” series SM transmitters offer selectable output power of 25, 50 and 100 mW (25 and 50 mW for export versions). With higher power output, the operating range is improved, or, a more secure link can be relied upon for high RF noise environments. Battery life is unchanged with the different RF power selections.
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Product
Digital I/O Device
Digital I/O
The Digital I/O Device supports channel, current, and voltage options to help you automate applications. This module features programmable input filters to remove chatter, noise, glitches, and spikes on inputs, and these filters also provide debouncing for digital switches and relays. You can use the module to perform safe operation when connected to pumps, motors, and other industrial actuators or machinery using the included power-up states. The module also provides a fail-safe mechanism that monitors for computer or application crashes and place the system in a state to ensure safe recovery. Additionally, some models include high-voltage, high-current, and isolation options to ensure the product can work safely in many environments.The Digital I/O Device includes the NI-DAQmx driver and configuration utility that simplify configuration and measurements. NI-DAQmx supports NI programming environments as well as Python, ANSI C, C#.NET, and MathWorks MATLAB® software.
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Product
Working Electrodes for Flow Cell
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Our working electrodes for flow cell are mounted in blocks of PEEK. This resin protects the electrodes from external noise and allows researchers to utilize them regardless the content of mobile phase of HPLC because of their hardness and organic slovent-resistance. Glassy carbon is usually chosen for the redox reaction study on liquid chromatography. Platinum, Gold, Carbon paste and Nickel electrodes are utilized for special purporses.
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Product
Swirl Flowmeters
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Swirl flow meters combine the measuring dynamics of turbine meters with the robustness and reliability of Vortex flow metering by requiring shortest upstream / downstream distances. Equipped with digital signal processing (DSP) and advanced filtering techniques, these innovative flow meters from ABB allow improved flow signal detection and provide measurement immunity from the effects of hydraulic noise and pipeline vibration.
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Product
High Speed Slip Rings
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High Speed Slip Rings transfer power and data in rotating environments at speeds of up to 20,000 rpm. They provide low noise, high reliability and long life.
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Product
Bench Power Supply, Linear, Programmable, 1 Output, 0 V, 60 V, 0 A, 3 A
72-2720
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The 72-2720 from Tenma is a single channel programmable bench top power supply. It is a digitally controlled industrial grade power supply with load for a long time. This compact design power supply has intelligent temperature controlled fan, low noise and low ripple. It also features knob lock function to avoid improper operation. This power supply has load regulation ≤0.01% +2mV (voltage), ≤0.1% +5mA (current) and line regulation of ≤0.01% +3mV (voltage), ≤0.1% +3mA (current). The setting accuracy (25°C ±5°C) is ≤0.5% +30mV (voltage), ≤0.5% +10mA (current).
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Product
Low-Mid Frequency Analyzer
LMFA-21
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Amfax introduce the latest PXI based High Performance Low and Mid Frequency Analysis System operating from 100Hz TO 2MHz with an extremely low noise floor. This high accuracy measurement instrument utilizes the National Instruments Function Generator and Flex Digitizer to optimize your frequency related product performance. Using the industry standard PXI platform enables us to offer the system a fraction of the cost of other typical two box solutions.
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Product
Isolated Analog Expansion Board
MSXB 085
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The MSXB 085 Isolated Analog Expansion Board provides isolated analog inputs and isolated analog outputs for DAP systems. Use these boards to eliminate ground currents – a potential source of noise in your measurement and control signals – and eliminate timing skew.
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Product
8 Slot, 3U, PXI Chassis - Low Noise Fan
40-908-201
Chassis
This PXI chassis includes all the features and performance required by version 2.1 of the PXI standard and supports a control interface or embedded controller and up to seven more 3U peripheral modules. Mechanical expansion space on the right hand side allows the chassis to accept multi-slot modules, such as the BRIC, while only occupying one electrical slot.
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Product
C Series Strain/Bridge Input Module
Strain/Bridge Input Module
The C Series Strain/Bridge Input Module works with higher-channel-count, dynamic strain measurement systems. Modules can acquire measurements from up to eight channels, with compatibility options for quarter-, half-, and full-bridge sensors. The C Series Strain/Bridge Input Module is ideal for application channels requiring measurements at particular times, such as impact tests. It includes built-in voltage excitation, as well as transient isolation for high-common-mode noise rejection and improved safety.The C Series Strain/Bridge Input Module includes the NI-DAQmx driver and configuration utility that simplify configuration and measurements. NI-DAQmx supports NI programming environments as well as Python, ANSI C, C#.NET, and MathWorks MATLAB® software.
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Product
NI-9236, 10 kS/s/channel, 350 Ω Quarter-Bridge Strain Gage, 8-Channel C Series Strain/Bridge Input Module
779994-02
Strain/Bridge Input Module
10 kS/s/channel, 350 Ω Quarter-Bridge Strain Gage, 8-Channel C Series Strain/Bridge Input Module - The NI‑9236 measures dynamic strain on all channels simultaneously, allowing for synchronized, high-speed measurements. This capability is important for applications, such as impact tests, that require comparison across many channels at a particular instant in time. The NI‑9236 includes built-in voltage excitation for quarter-bridge sensors. It also has 60 VDC isolation and 1,000 V rms transient isolation, providing high‑common‑mode noise rejection and increased safety.
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Product
E-Band Low Noise Amplifier MMIC
AWL-7186
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The AWL-7186 is a 4-stage ultra-low noise amplifier that provides a noise figure of less than 3.5 dB, an output P1dB of +8 dBm, and an adjustable gain range of 15 dB. The MMIC features exceptional gain flatness and superior noise performance over a very wide bandwidth. It is implemented in 0.1 um GaAs PHEMT technology.
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Product
MSA Compact (70×90×15mm) CATV EDFA Module (Full function)
EATV5100-FM02
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai EATV5100 series is a low noise, high performance, high cost-effective EDFA module, which is specially designed for CATV system. EATV5100-FM02 is a full function module, using 70×90×15mm MSA Compact package, with single channel and narrow bandwidth standard version. A standard 6-pin electric connector provides simple electrical connection. The module adopts a high performance cooling pump laser, the output optical power up to 24dBm.
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Product
(100×130×19mm) C-Band DWDM Booster EDFA Module
WBA4100-FM04
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai WBA4100-FM04 series used 100 x 130 x 19mm compact package, is a digital control circuit of DWDM power amplifier function module. Products using the most excellent optical properties, electronic control technology and complete software function is most advanced, wide wavelength range, low noise, excellent gain flatness characteristics and transient characteristics. Application for C-Band 44 wave or the 88 wave of DWDM system.
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Product
FTTx PON Optical Amplifier (1540~1563nm)
HA5800B (2RU)
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Hangzhou Huatai Optic Tech. Co., Ltd.
HA5800B (2RU) series is a low noise, high performance, FTTP high power, multi-ports optical amplifier with gain spectrum band within 1540~1563nm. Each output port for optical amplifier has built-in well-performed CWDM. Every external up-link optical port of optical amplifier can connect with OLT PON port very conveniently. Each 1550nm (CATV)'s output optical port multiplex 1310/1490n's data stream, in order to reduce the quantity of the component and improve the index and reliability of the system.
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Product
Temperature
M14
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A single-channel thin film-based thermopile offering very low noise in a compact TO-18 package with a small active area of 0.92mm x 0.4mm. This is one of the lowest noise thermopiles you can buy and provides a fast 14ms time constant with Argon encapsulation gas.
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Product
NI-9236, 10 kS/s/channel, 350 Ω Quarter-Bridge Strain Gage, 8-Channel C Series Strain/Bridge Input Module
785996-01
Strain/Bridge Input Module
10 kS/s/channel, 350 Ω Quarter-Bridge Strain Gage, 8-Channel C Series Strain/Bridge Input Module - The NI‑9236 measures dynamic strain on all channels simultaneously, allowing for synchronized, high-speed measurements. This capability is important for applications, such as impact tests, that require comparison across many channels at a particular instant in time. The NI‑9236 includes built-in voltage excitation for quarter-bridge sensors. It also has 60 VDC isolation and 1,000 V rms transient isolation, providing high‑common‑mode noise rejection and increased safety.
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Product
Infiniium MXR B-Series Real-Time Oscilloscopes
MXR B-Series
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Keysight's Infiniium MXR B-Series oscilloscopes have hardware-accelerated, automated analysis tools, extra-low, front-end noise, and uncompromised performance so engineers can test faster, shorten time to market, and design without compromise using an oscilloscope that delivers dependable results.
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Product
IsoPods: Streaming Meters For Recording Temperature, PH, Conductivity And Dissolved Oxygen
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eDAQ isoPods™ are portable streaming data recorders. These electrically-isolated meters can be used for recording data in situations where signal noise and crosstalk would otherwise be an issue.
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Product
Sound Level Meters
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Castle Group Ltd are a long standing leading manfacturer of noise measuring equipment, particularly Sound Level Meters for industrial noise monitoring. Our equipment is ideal for performing noise at work assessments to The Control of Noise at Work Regulations 2005.
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Product
Environmental Noise Measurement Kits
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Environmental conditions can significantly impact the accuracy of sound level measurements, particularly when conducting assessments in outdoor environments, so this is where an Outdoor Environmental Noise Kit can help you. The kit provides a fully weather-protected system for outdoor noise measurement to protect your sound level meter and microphone from harsh weather conditions, ensuring reliable and accurate readings in any environment for up to 1 week.
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Product
Handheld RF Spectrum Analyzer With 10MHz To 3.6 Or 6.0GHz Bandwidth Options
PSA Series 5
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10MHz to 3600MHz or 6000MHz frequency rangeResolution bandwidths from 300Hz to 10MHz (1:3:10)-120dBm typical noise floor at -40dBm ref. level/10kHz RBWMeasurement in dBm or dBµV, mV or µWZero span mode with AM and FM audio demodulationTrace modes of normal, peak hold and trace averageLive, View and Reference traces in contrasting coloursTwin markers with readout of absolute & difference valuesSmart marker movement with selectable peak trackingFrequency counter with down to 10Hz resolutionFrequency presets and independent state storageAuto-find automatically sets sweep parameters for the highest signal foundUnlimited storage for waveforms, set-ups and screensUser assignable file names, file stamping from real-time clockUSB interfaces for Flash drives and PC connectionComprehensive status and context sensitive help screensRechargeable lithium ion battery giving more than 3 hours continuous operation from a chargeSmaller and lighter than other spectrum analyzers (weight only 0.56 kg)
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Product
64-CH 12/16-Bit Up to 3 MS/s Multi-Function DAQ PCI Express Cards
DAQe-2200 Series
Data Acquisition Module
ADLINK DAQe-2200 series are highdensity and high-performance multi-function DAQ PCI Express cards. The devices can sample up to 64 AI channels with different gain settings and scan sequences. It makes them ideal for dealing with high-density analog signals with various input ranges and sampling speeds. These devices also offer differential mode for 32 AI channels in order to achieve maximum noise elimination.
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Product
MIL-STD-1553 Fiber Optic Bus Extender
FO-1553
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Avionics Interface Technologies
Extends MIL-STD-1553 bus access to over 1 mile for remote access - Dual redundant, single and dual stream options available - Both Transformer and Direct coupling modes supported - Uses fiber optic 1.0625 Gbps data rates for low latency over long distances - Optical signaling is not affected by electrical noise and interference - Simple and easy to use solution, no software setup or configuration required - Ideal for applications where test equipment is separated from UUT
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Product
Amplifier Module
LNAM-FBX
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Ultra-low-noise voltage amplifier module (LNAM) with ac coupled FET input allowing measurements between 1 Hz and 20 MHz. High gain precision and low distortion are achieved by using internal negative feedback and >1000 V/µs output stages.
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Product
Broadband Amplifier
BBA300
Amplifier
The R&S®BBA300 broadband amplifiers are a new generation of highly compact solid-state broadband amplifiers designed for high availability. They feature extremely wide, continuous frequency bands extending up into the high microwave range, along with high linearity, outstanding noise power density and excellent harmonic characteristics. They also boast high system configuration and operational settings flexibility.
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Product
HandyScope HS6-DIFF: 1 GS/s, 250MHz BW, 4 Channel (256MS/ch), USB Differential Digital Storage Oscilloscope, Spectrum Analyzer, Voltmeter, Transient Recorder
HS6-DIFF-1000XM-W5
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*The only oscilloscope in the world that has:-* SafeGround, differential input channels that can be switched to single ended.*- CMI interface.*- USB 3.0 interface, 5Gb/s data transfer*- Lowest noise





























