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Atmosphere
1) a planet's exosphere, surface to space, space. 2) a unit of atmospheric pressure.
See Also: Atmospheric, Air, Earth, Climate, Space
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HV Rotary Switches
B-1003
A key feature of our rotary switches is their simple mechanical design which results in conservative stress levels for trouble-free, long life use. In addition, each rotary switch has a reinforced chassis design utilizing G-10 or G-11 fire retardant anti-tracking coated epoxy glass insulation. G-7 silicone glass is used for special applications where RF or high temperatures are involved. Heavy duty contacts, specifically designed to minimize corona in the Ross rotaries, are made of highly conductive yet weld resistant alloy with high contact closing force. This high force gives our rotary switches high momentary current capability and a reputation for their ability to withstand high shock and vibration as well as other severe environmental conditions. Ratings to 150kV, to 200A. When immersed in insulating oil, fluid or gas, the voltage withstand value is at least doubled and the interrupt capability is much greater. In a gas atmosphere, no modification is required. However, immersion in oil or fluid may require modification in some cases, at an extra cost (optional). Each unit is either manually or electrically operated. One SPDT contact is standard on most units. The auxiliary contact is used as an interlock for protection against "Switching Hot".
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Intrinsically Safe Test Tools for Hazardous Areas
Intrinsically Safe is a protection method employed in potentially explosive atmospheres. Certificate IS tools are designed to prevent the release of sufficient energy to cause ignition of flammable material. IS standards apply to all equipment that can create one or more of a range of defined potential explosion sources.
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Open Path Combustible Gas Detector
SafEye (Quasar 900)
Teledyne Gas & Flame Detection
The Open Path Combustible system detects hydrocarbon gases by analyzing the absorption of radiation caused by gases in the atmosphere and comparing it to background atmospheric absorption. This is accomplished between a pair of units: a Flash Source and a Detector that can monitor a distance of up to 200 meters.Open Path Combustible Gas Detectors are robustly designed and can handle the toughest environments: 316L stainless steel housings that meet IP66/IP68 and NEMA 250 6P egress standards; circuit boards epoxy coated for protection; MIL-C-810C testing for humidity, salt, fog, vibration, mechanical shock and temperature extremes; and SIL-2 approval per IEC61508 is a final statement in reliability.
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Static Dissipative Footwear Tester
Sole-Mate
The Sole-Mate is a user friendly device that is designed to test the condition of static dissipative footwear prior to entering safety critical hazardous areas exposed to potentially ignitable atmospheres.
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Corrosion Test
The purpose of this test is to determine the resistance of materials and protective coatings to corrosive atmospheres when a more corrosive environment than the salt fog/spray test is required. The test is used when material is stored or operated in areas, for example, where acidic atmospheres exist, such as in industrial areas or near the exhausts of any fuel-burning device. Gases such as sulfur dioxide are used to replicate the exhausts of fuel burning devices.
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Barometers
These barometers can be found in the section to measure absolute pressure, differential pressure in respect to the atmosphere and negative pressure. There are barometers such as the DB2 digital barometers that have an internal memory for up to 750 Barometers to measure absolute pressure, differential pressure in respect to the atmosphere and negative pressure. readings and an analogue output of 0 to 1 volts. These barometers are perfect to measure atmospheric pressure, also called barometric pressure, is an expression for the weight of air (atmosphere) due to the earth''s gravitational pull. This pressure at sea level is 1013.25 mbars (milibars).
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Safety Ohm Meter
Type 1681
Aeronautical & General Instruments Ltd.
The Type 1681 Safety Ohm Meter range are rugged highly portable intrinsically safe instruments for use in potentially Explosive Atmospheres. Six measurement ranges enable it to measure resistances from 1mΩ and 20kΩ using a 3½ digit backlit LCD display.
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Explosion Resistant Oven
All standard Gruenberg Ovens can be modified to be explosion-resistant. Explosion-resistant ovens incorporate design features that allow the oven to be operated within a volatile atmosphere defined as Class I, Group D, or Class II, Group E, F or G. Ideal for heating and drying processes.
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Meter Test Switches
TESCO introduced the original Meter Test Switch in the early 1920’s. Today, TESCO’s line of Test Switches has been redesigned with the intention to combine the best features of tried and proven switching methods with improvements in materials and construction. All of the current carrying parts are bright tin plated to prevent corrosion. Good operating contact is assured on periodic meter tests, even when the switch has been idle for long periods of time in an unfavorable atmosphere.
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Test Rig for Flashback Arrestors
The WITT test rig allows for the testing of flashback arrestors and check valves on a regular basis.With just one device all performance tests can be carried out: leak-tightness to the atmosphere, test of check valves against reverse gas flow, functionality of the pressure sensitive gas cut-off valve and measurement of the flashback arrestors’ flow capacity.The Test Rig 722 is easy to use, has a robust design and requires no maintenance.
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Thermogravimetric Analyzers
TGA THERMOSTEP ML
ELTRA's TGA Thermostep ML is a thermogravimetric analyzer which determinesvarious parameters such as moisture, volatiles and ash at user-definedtemperatures and atmospheres in a single analysis.
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Explosion-Proof Differential Pressure Switch
1950G
The Model 1950G Explosion-Proof Switch combines the best features of the popular Dwyer Series 1950 Pressure Switch with the benefit of natural gas compatibility. Units are rain-tight for outdoor installations, and are UL listed for use in Class I, Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres, ATEX for EExd IIB & Hydrogen T6, and CSA & FM approved for Class I, Div. 1, Groups B, C, D; Class II, Div. 1, Groups E, F, G and Class III atmospheres
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Voltmeters
ARC Flash No Volts Meter is an ultra-safe portable digital voltmeter. It can provide testing of voltage on firing and related system lines. The 620EXV is certified to meet USA MIL. STD. 810 MTD. 511, therefore compliant for use in explosive atmospheres. This product will accurately inform its operator using red and green lights (which can be set to custom levels) to indicate whether or not the voltage level conforms.
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Automated Low Humidity Generation System
3920
The Model 3920 Low Humidity Generation System is a self-contained system capable of producing atmospheres of known humidity using the fundamental "two-pressure" principle. This system is capable of continuously supplying frost point, dew point, parts per million, relative humidity and other calculated values for instrument calibration and evaluation as well as for precision environmental testing.
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General Performance Differential Pressure Transducers
These general performance Baratron® differential capacitance manometers measure the difference in pressure between the inlet tube and the reference cavity. The reference cavity can be connected to any pressure or vacuum source, or be open to local atmosphere.
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Oxygen Deficiency Monitor
Series 1000
AOI's Oxygen Deficiency Monitor is designed to provide continuous protection of personnel from oxygen deficient atmospheres. An excellent oxygen deficiency monitor for government labs, universities, research facilities, and industrial laboratories for helping to ensure the safety of breathing air.
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SDT Ultrasound
SDT270 ATEX
The SDT270 from SDT Ultrasound Solutions now meets the requirements set by ATEX for use in the most dangerous and potentially explosive atmospheres in the world. For the first time ever ultrasound inspectors working in intrinsically safe rated zones now have access to the unique and advanced features of the SDT270.
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Salt Spray Chambers
MX-9200
LR Environmental Equipment Co. Inc.
A high reliability thermostatic temperature controller maintains the salt solution at a preset controlled temperature in a reservoir within the double wall construction. The salt solution is introduced into the chamber through an atomizing nozzle. The nozzle can be calibrated by us to perform to MIL-STD-19500B, paragraph 40.8 and other specifications. This specification requires that a salt residue be deposited on the specimens, in addition to generating salt fog atmosphere.
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Real Time MM-Wave Frequency Analyzers up to 180 GHz
When millimeter-wave applications came into many domains of human activity, a need for precise measurements of signal frequency spectrum has become critical. This need is quite understandable when, for example, it concerns to exploring extraterrestrial radio-sources or micro/mm-wave background emission in radio-astronomy, or measuring chemical composition of the atmosphere through the molecular emission of different its components, plasma diagnostics or many military applications.
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Air Ion Detector
DLY-71
The DLY's Air Ion counter is designed for measuring the concentration and the mobility of air ion. This instrument incorporates very high sensitivity. So,it can measure very low air ion level;for example, the background level of air ion in the atmosphere. The maximum measuring scale of them can reach up to 3.999～109 ions/cm3. These instruments are very effective to measure any types of artificial air ion generator or air purifier. Some model of these instruments can measure and display the positive and nagetive ions simultaneously. Some model of them can work in high humility area. Some model of them can automatically measure both positive and negative air ion concentration,record the test data and work out the variation curve of them by computer.The latest development of this instrument is DLY-71 air ion mobility spectrometer.It can measure large,medium and small air ion.It is very important to know the quality of the air by the concentration of them and the rate between large,medium and small ions.This instrument is one of the most important equipment to the people who work in the fields regarding science, medicine, environment protect, education, etc.
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Gas Analysis
HPR-20 S1000
The Hiden HPR-20 S1000 gas analysis system configured for continuous analysis of gases and vapours at pressures near atmosphere in standard form, alternative systems being offered for applications requiring direct sampling from higher pressures to 30 bar.
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Photoelectric Direct Reading Spectrometer
TY-9610
Wuxi Tianmu Instrument Technology Co., Ltd.
1, Optical SystemStructure: Pa type - RungeRaster: Radius of curvature: 750mmIncident slit width: 20 μ mExit slit: high-precision photolithography of the entire slit, according to different elements set up 30u-75u slit width.Detector: Photomultiplier tube ( PMT ) detector2, all digital excitation light source1. Fully digital intelligent composite light source DDD technology, which can automatically adjust the excitation parameters of light source according to the excitation characteristics of different materials, and truly realize full digital control. 2. Using the all-digital control mode, high-energy pre-combustion technology ( HEPS ), ultra-stable energy release stimulates the sample in an argon atmosphere. 3. The application of all-digital light source improves the measurement accuracy and similarity of the sample, improves the sample excitation speed, improves the spark stability, and makes the sample have better reproducibility. The maximum discharge current reaches 400A .
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Real-time and Direct Correlative Nanoscopy
LabRAM Soleil Nano
Fully integrated system based on our OmegaScope scanning probe microscope and LabRAM Soleil Raman microscope. LabRAM Soleil Nano offers unprecedented capabilities for direct co-localized AFM-Raman and photoluminescence measurements. AFM imaging modes (topographic, electrical, mechanical, etc.) and Raman acquisition can be performed either sequentially or simultaneously at the same location of the sample surface. Optical nano-resolution is also achievable with Tip-Enhanced Raman Spectroscopy and Photoluminescence (TERS/ TEPL). LabRAM Soleil Nano is compatible with the environmental chamber for AFM and Raman measurements in controlled atmosphere and at low temperatures.
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Ozone Aging Test Chambers
Dongguan Amade Instruments Technology Co., Ltd
Ozone aging test chamber is also called as ozone climate simulator or ozone aging tester. It is one of climatic testing instruments, which is to simulate and intensify the ozone condition for determining the cracking resistance of vulcanized or thermoplastic rubbers when subjected to dynamic or static tensile strain exposed at a man-made constant temperature to atmosphere containing given concentration of ozone in conformance with relevant specification. Ozone test is an indispensable method for people to research effects and mechanisms of ozone on rubbers, quick identify and evaluate anti-aging performance of rubbers and find solutions for improvement of quality and lifespan.
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Sunphotometers
SP02 & SP02-L
The Middleton Solar SP02 Sunphotometer is a simple low-cost instrument for the determination of the spectral optical depth of the atmosphere. It can be configured for total & aerosol optical depth measurement, column ozone measurement, and assessment of water vapour amounts. It consists of four precision spectro-pyrheliometers axially aligned in a sealed enclosure.
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Instantaneous Plug-in Auxiliary Power Relays
Instantaneous power relays from Mors Smitt are designed for demanding applications such as power utilities, petro chemical industries and mining. The construction of the relay and choice of materials makes these power relays suitable to withstand corrosive atmospheres, low and high temperatures, vibration, in heavy duty environments.
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High Temperature Wettability Tester
6200Z
This device is a test device that evaluates the wetting stress generated between a plate/round bar and molten metal in an inert gas atmosphere by the wetting balance method.It is possible to analyze not only the quality of wetting but also the wetting phenomenon from the obtained wetting curve.
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”Two Pressure" Humidity Generator
2500 Mobile
The Model 2500 Benchtop Humidity Generator is a self contained system capable of producing atmospheres of known humidities using the fundamental, NIST proven, "two-pressure" principle. This system is capable of continuously supplying accurately known humidity values for instrument calibration, evaluation, and verification, as well as for environmental testing.
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*High Current Switches
B-1002
Ross High Current Switches are available up to 36,000 amps continuous and over 1,700,000 amps 20µsec RC pulse, with voltage ratings of 6 volts to 400kV peak test. Standard Ross high current switches are built with 80 to 120psi air cylinder actuators. Air cylinder or motor operated for high contact force. Arcing contacts optional for closing current. G-10 epoxy glass laminate is standard insulation on most models. G-7 silicone glass is used on models available for RF applications above 100kHz. Most Ross high current switches are available with additional lengths of insulation, where the high voltage contacts need to be spaced at a greater distance from the actuator and control circuit. Voltage withstand value is at least doubled and the interrupt capability is much greater when high current switches are immersed in insulating oil, fluid or SF6 gas. For gas atmosphere, no modifications are necessary; however, oil or fluid immersion requires modification at a slight extra cost.
