Used & Refurbished Scientific Instruments

The ADA4945-1CP-EBZ evaluation board accepts 0402 surface mount technology components, 0805 bypass capacitors, and 2.54 mm headers. The EVAL-AD FMCZ evaluation board is designed for use with the Digilent ZedBoard™. The evaluation board connects to the ZedBoard board via a field-programmable gate array mezzanine card low pin count connector.

• This dual amplifier operates over a wide supply voltage range from a single 2.7V to 20V supply or split ±1.35V to ±10V supplies and consumes only 1.2mA quiescent supply current per channel.
• Physical interferences occur when the physical properties of the sample are vastly different than the physical properties of the calibration standards.
• This is a generalized diagram of a gas chromatograph, an instrument used to separate the chemical components of a complex sample.
• Therefore, the design of a thermocouple system is simplified when the AD7124-4/AD is used because most of the required system building blocks are included on-chip.

In addition, the mezzanine board includes unpopulated resistor and capacitor pads to allow prototyping with surface-mount feedback resistors as well as other input configurations. The system functional diagram in Figure 1 is a precision analog front end for measurement of current down to the femtoampere range. Applications that can use this solution include mass spectrometry, chromatography, and coulometry. The AD7124-4/AD can achieve high resolution, low nonlinearity, and low noise performance as well as high 50 Hz and 60 Hz rejection, suitable for industrial RTD systems.

How to Design a Programmable Gain Instrumentation Amplifier for Precision Wide Bandwidth Signal Chains

The level of system integration of the ADAQ7980/ADAQ7988 solves many design challenges, while the devices still provide the flexibility of a configurable ADC driver feedback loop to allow gain and/or common-mode adjustments. A set of four device supplies provides optimal system performance; however, single-supply operation is possible with minimal impact on device operating specifications. The AD is a low power, low noise, completely integrated analog front end for high precision measurement applications. The device contains a low noise, 24-bit Σ-Δ analog-to-digital converter , and can be configured to have 4 differential inputs or 7 single-ended or pseudo differential inputs. The onchip low gain stage ensures that signals of small amplitude can be interfaced directly to the ADC.

Each of the two outputs can be easily configured as a SEPIC or Inverting converter by simply grounding the appropriate output rail. The LTM8049 includes power devices, inductors, control circuitry and passive components. All that is needed to complete the design are input and output caps, and small resistors to set the output voltages and switching frequency. The LTC6373 features fully differential outputs to drive high performance, differential-input ADCs. The combination of high impedance inputs, DC precision, low noise, low distortion, and high-speed differential ADC drive makes the LTC6373 an ideal candidate for optimizing data acquisition systems.

Data Analysis

The integrated channel sequencer allows several channels to be enabled simultaneously, and the AD sequentially converts on each enabled channel, simplifying communication with the device. As many as 16 channels can be enabled at any time; a channel being defined as an analog input or a diagnostic such as a power supply check or a reference check. The LT3045 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3045 can be easily paralleled to further reduce noise, increase output current and spread heat on the PCB. These op amps have an output stage that swings within 30mV of either supply rail to maximize the signal dynamic range in low supply applications. They are fully specified on 3V and 5V, and an HV version guarantees operation on supplies up to ±5V.

The exposed pad of the ADA is connected to the ground plane on the evaluation board to enhance thermal and noise performance. The evaluation board uses a combination of surface mount technology component case sizes 0603 and 0805, with the exception of the bypass capacitors, Capacitor C3 and Capacitor C5, which have a maximum standard size of 1206. The circuit shown in Figure 1 is a portable gas detector, using a 4-electrode electrochemical sensor, for simultaneous detection of two distinct gases. The circuit gives 0.5% accurate readings for pH values from 0 to 14 with greater than 14-bits of noise-free code resolution and is suitable for a variety of industrial applications such as chemical, food processing, water, and wastewater analysis. The dual-channel circuit measures the ratio of light absorbed by the liquids in the sample and reference containers at three different wavelengths. This measurement forms the basis of many chemical analysis and environmental monitoring instruments used to measure concentrations and characterize materials through absorption spectroscopy.

Elemental Speciation Analysis

The SPI interface can be configured in single SPI mode, dual SPI mode, synchronous dual SPI mode, and quad SPI mode with single date rate or double data rate , with logical levels from 1.2 V to 1.8 V. Scientific instruments and computers give more precise results, they offer adjusting of different parameters and does resolution, sampling, analysis and collection in a better way. This is likely to increase the demand for scientific instruments across the globe. To make these discoveries, physical chemists use a variety of analytical instruments including lasers, mass spectrometers, nuclear magnetic resonance, and electronic microscopes. On the MP80, the melting point application is extended by boiling point, cloud point and slip melting point. Check the capillary fill height using the lines marked on the melting point sample preparation tool.

The most demanding applications require single digit, part per million temperature drift, subppm linearity, and low, predictable noise performance. It provides ultralow input bias currents that are production tested at 25°C and at 125°C https://xcritical.com/ to ensure the device meets its performance goals in user systems. The integrated guard buffer isolates the input pins from leakage in the printed circuit board , minimizes board component count, and enables easy system design.

The melting point accessory boxes are available with standard or USP reference substances. The melting point accessory box is part of the standard delivery of the MP90 and is a highly recommended optional accessory for MP55, MP70 and MP80 instruments. Ensure efficient and error-free performance verification by temperature calibration with the MP VPac™ Reference Substance Kit, which contains pre-filled capillaries of three different standards. Our Service Technicians and application experts are ready to support you to ensure maximum uptime, quality results and efficiency.

Our customers consistently save up to to 70% off new equipment prices when they buy used medical equipment through MYCO. MYCO offers an extensive inventory and a constant flow of medical and laboratory instruments. We look forward to developing long-term business relationships and supplying your company with wholesale products for international export. If we want to make sure that the melting point analyzer is providing the correct results, we need to verify its measurement accuracy.

Adroit Market Research – Industry Insights

Each melting point reference substance comes with a certificate and both nominal pharmacopeia and thermodynamic melting points written on the label. The substances are securely identified with two barcodes showing the filling code and lot number. All results, measurement data and video files are stored on the melting point device and a lab report can be generated fully automatically. LabX™ PC Software is used with our melting point instruments to support data integrity and compliance with FDA 21 CFR Part 11.

The LTC6655 can be powered from as little as 500mV above the output voltage to as much as 13.2V. Superior load regulation with source and sink capability, coupled with exceptional line rejection, ensures consistent performance over a wide range of operating conditions. The MAX328/MAX329 work equally well with a single supply of 10V to 30V or dual supplies of ±5V to ±18V. They also perform well with unbalanced combinations of supply voltage, such as +12V and -5V or +5V and -15V. Low power dissipation (1.9mW with ±15V supplies) allows use in portable applications. MYCO can provide quality used/refurbished laboratory equipment at great cost savings.

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It also has an attachment that allows the temperature of the sample to be adjusted during measurement. An analytical laboratory instrument used in chemical analysis processes that’s done by injecting a sample plug into a flowing carrier stream. A little of the analysis is done in the automation of frequent environmental and agricultural assays such as phosphate, nitrate, and ammonia. Advanced instruments can be connected as a local area network directly or via middleware and can be further integrated as part of an information management application such as a laboratory information management system . The circuit shown in Figure 1 uses the ADA4505-2, dual micro-power amplifier, which has a maximum input bias current of 2 pA at room temperature and consumes only 10 μA per amplifier.

Browse our selection of refurbished lab equipment today to find the best solutions for your needs. The analytical lab equipments or instruments are used in analytical applications in pharmaceutical, food-processing laboratories, chemical, clinical, and oil refineries. These lab equipments or instruments analytics instrument help in analyzing materials and setting up the composition. The AD7124-4/AD also have extensive diagnostic functionality integrated as part of its comprehensive feature set. This functionality can be used to check that the voltage level on the analog pins are within the specified operating range.

The ADuCM355 integrates a 26 MHz Arm Cortex-M3 processor, which is a 32-bit reduced instruction set computer machine. The Arm Cortex-M3 processor also has a flexible multichannel direct memory access controller supporting two independent serial peripheral interface ports, universal asynchronous receiver/transmitter , and I2C communication peripherals. The ADuCM355 has 128 kB of nonvolatile flash/EE memory and 64 kB of single random access memory integrated on-chip. The LTC6078/LTC6079 are specified on power supply voltages of 3V and 5V from -40 to 125°C.

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Analysis methods including spectroscopy, spectrometry, and electrochemistry which implement these technologies are selected based on sample type and measurement characteristics. Accurate, high-confidence detection, identification, and characterization depends on precise sensing capability and electronics. ADI’s best-in-class signal chain, sensor, power, and processor solutions ensure that your limit of detect and accuracy are not restricted by your electronics design. Research and material analysis labs use test and measurement analytical instruments such as spectrometers, chromatography machines, rheometers and thermal analysis apparatus. Laboratory equipment and scientific instruments operate in a strictly controlled environment, so the components used in their manufacture, such as power supplies, must meet exacting specifications. Power supplies for analytical instrumentation require careful attention to critical performance criteria.

EPA 200.7 sets the method detection limit for 31 different elements, along with preferred wavelengths and calibration and quality control standards. Choosing between ICP-OES or ICP-MS depends on instrument performance, characteristics of the environmental sample, and regulatory requirements. Our second FTIR, this instrument is also useful for probing the structures of small organic molecules. When using this instrument, students learn various sample preparation techniques such as making a mull or KBr pellet. The titration also known as titrimetry or volumetric analysis is a process used for accurately measuring volume.

We provide comprehensive solutions for the analysis of metals, anions, and organic compounds in fracking water. Speciation is an important tool to separate and quantify toxic from nontoxic species. The metal-free IC, high resolution ion exchange columns, simple online connectivity, together with high sensitivity ICP-MS and integrated software are a powerful combination for fast and efficient metal speciation.

The MAX328/MAX329 are pin-for-pin replacements for the popular DG508/DG509 in these applications. More specifically, these researchers found that NMR accurately analyzed the growth, surface chemistry and physical properties of several different NMNPs. We support and service your measurement equipment through its entire life-cycle, from installation to preventive maintenance and calibration to equipment repair. A calorimeter is a device used to measure the heat change or heat capacity of chemical reactions or physical changes.