CH Instruments, Inc.
CH Instruments, Inc. provides a full-line of electrochemical instrumentation
- (512) 402-0176
- (512) 402-0186
- info@chinstruments.com
- 3700 Tennison Hill Drive
Austin, TX 78738
United States
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product
Electrochemical Detector
800D
The Model 800C series is designed for electrochemical detection. This instrument can be used for monitoring the current passing through a flow cell in liquid chromatography/electrochemistry and in-flow injection analysis, as well as other electroanalytical applications.
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Picoamp Booster and Faraday Cage
CHI200(B)
With the CHI200(B) Picoamp Booster and Faraday Cage, current down to a few picoamperes can be readily measured. The CHI200 is compatible with the Model 600/A, 700/A series of instruments, while the CHI200B is compatible with Model 600B/C and 700B/C series. When used with 700/A/B/C series bipotentiostat, the Picoamp Booster will affect the primary channel only.
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Scanning Electro-chemical Microscope
920D
The scanning electrochemical microscope (SECM) was introduced in 19891 as an instrument that could examine chemistry at high resolution near interfaces. By detecting reactions that occur at a small electrode (the tip) as it is scanned in close proximity to a surface, the SECM can be employed to obtain chemical reactivity images of surfaces and quantitative measurements of reaction rates.
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Solution Dispenser
1550A
The CHI1550A solution dispenser is designed for making high density and high accuracy solution arrays. Solution arrays are widely used in chemical, biological and medical applications. The solution dispenser consists of a high resolution three dimensional positioner, a piezoelectric jetting device, and a sample platform.
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Time-Resolved Electrochemical Quartz Crystal Microbalance
400C Series
The quartz crystal microbalance (QCM) is a variant of acoustic wave microsensors that are capable of ultrasensitive mass measurements. Under favorable conditions, a typical QCM can measure a mass change of 0.1-1 ng/cm2. QCM oscillates in a mechanically resonant shear mode under the influence of a high frequency AC electric field which is applied across the thickness of the crystal. Figure 1b below shows an edge view of a QCM crystal undergoing oscillatory shear distortion. The central portions of the top and bottom of the crystal are coated with a typically disk-shaped thin metal film (e.g., gold).
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Amp Booster
CHI680C
With the CHI680 Amp Booster, the current can be measured up to 2 A. The CHI680 is compatible with Model 600, 600A, 600B, and 600C series of instruments. You can stack the CHI600/A/B/C and the CHI680 together.
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product
Bipotentiostat
700E
The Model 700D series are computerized general purpose potentiostat / bipotentiostat / galvanostat instruments. A typical application involves a rotating ring-disk electrode (RRDE), but these systems can also be used for other applications where dual channel measurements are essential, such as dual channel electrochemical detection.
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Multi-Potentiostat
1000C
The model 1000B series is a computerized 8 channel potentiostat. The system contains a digital function generator, multiplexed data acquisition circuitry, and a multi-potentiostat that can work with eight independent cells or eight working electrodes in the same solution with common reference and counter electrodes. The potential control range is 10 V for all channels, which can be set at independent potentials or the same potential as the primary channel, so that they can sweep or step potentials together with the primary channel.
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Electrochemical Analyzer/Workstation
600E
The Model 600D series is designed for general purpose electrochemical measurements. The figure below shows the block diagram of the instrument. The system contains a fast digital function generator, high speed data acquisition circuitry, potentiostat, and a galvanostat (available only in select models).
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Power Potentiostat/Galvanostat
1100C
The Model 1100B series power potentiostat/galvanostat is designed for electrochemical applications that require relatively large current and high compliance voltage, such as battery studies, corrosion, electrolysis, and electroplating. The current range is 2 A, and the compliance voltage is 25 V. The instrument contains a high speed digital function generator, a fast data acquisition system, filters for current signals, iR compensation circuitry, a potentiostat, and a galvanostat (Model 1140B). The potential control range is 10 V.
