Sep 12, 2018A method is described for photoelectrochemical determination of chloramphenicol (CLOA). It is based on the use of (a) aptamers protected with photoactive WS2 nanosheets, and (b) DNase I-assisted target recycling. The DNA aptamer without label was employed for recognition of CLOA. In the absence of CLOA, the aptamer is adsorbed on the surface of WS2. This leads to a …

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The Manning Vent Line leak detector is designed to be electrically connected to and monitored by all Honeywell Analytics readouts or can send a signal directly to a PLC. Additional Features and Benefits

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Description: With almost 70 years of experience, WIKA Instrument, LP is the leading global manufacturer of pressure and temperature measurement instrumentation, producing more than 43 million pressure gauges, diaphragm seals, pressure transmitters, thermometers and other instruments annually. WIKA's...

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A probe-shaped sensor for simultaneous temperature and pressure measurement was reported in this article. The effective length of the sensor was ∼2mm, consisting of a fiber Bragg grating (FBG) and a Fabry-Perot interferometer (FPI) with a nano silica diaphragm. The response sensitivities of the sensor for pressure and temperature were measured as −0.98 nm/MPa and 11.10 pm/&C, respectively.

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MQ135 Gas Sensor is an air quality sensor for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke and CO2. Ideal for use in office or factory. MQ135 gas sensor has high sensitivity to Ammonia, Sulfide and Benzene steam, also sensitive to smoke and other harmful gases.

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The closest thing to an official definition of "bump test" appears in an OSHA Safety and Health Information Bulletin (SHIB 09-30-2013) entitled "Calibrating and Testing Direct-Reading Portable Gas Monitors." We have posted a Knowledge Base article providing some commentary on that Bulletin.. Here is what the Bulletin says about Bump Testing (DRPGM = Direct Reading Portable Gas Monitor):

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Disclaimer: Always perform a pump leak test before every measurement. 7Solutions B.V. is not responsible for any accidents that may happen because of the use of a malfunctioning pump from other brands than UNIPHOS / KWIK-DRAW, used together with UNIPHOS / KWIK-DRAW Gas Detector Tubes, based on the interchangeability advice given above. 7Solutions B.V. is also not responsible …

Alphasense focuses on finding the best technology solutions for our customers' applications. Our team's high level of expertise and many years' of experience in a variety of gas detection technologies guarantees delivery of innovative, superior quality products. Our current technologies include Electrochemical, Catalytic, Optical (including NDIR PID Semiconductor / metal oxide) and Spectroscopy and we continue to explore and develop new technologies …

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