Safety, precision, ease, speed, and durability are the gas detection system essentials required by health and safety professionals. The streamlined Sensidyne pump provides these essentials and more...
Single-stroke operation brings timesaving ease of use to gas detection.
A slender ergonomically designed, sure-grip shape; lightweight, and corrosion-resistant.
Piston-type volumetric pump assures accuracy every time.
Fail-safe handle lock in two positions (50 ml or 100 ml) which virtually eliminates incomplete samples that can occur with squeeze-type pumps when they are not fully collapsed.
Flow finish indicator.
High precision direct reading detector tubes for nearly 300 substances.
Clear indication of concentration level of the substance being measured is shown by the length of the stain on the glass tube. The measurement is precisely recorded for direct reading on a single calibration scale.
No laboratory turnaround time, no power requirement, and no user calibration needed.
Ease and simplicity of use saves training time (training video available), sampling time, and provides a more accurate analysis.
A lifetime warranty, thus ensuring years of dependable, trouble-free operation.
No other system offers the Sensidyne pump's combination of superior features and benefits.
Principles of Operation
Each detector tube contains a reagent that is specifically sensitive to a particular vapor or gas.
These reagents are on fine-grain silica gel, activated alumina or other absorbing media (depending upon application requirements), inside a constant inner diameter, hermetically sealed glass tube.
Most Sensidyne detector tubes are the “direct-reading” type, with calibration markings right on the tube, so measurements can be made as simply and precisely as reading a thermometer.
The actual operation is simple and accurate. Just snap off both “break away” ends of a tube in the convenient tube-tip breaker, insert the tube into the hand held pump, and pull out the pump handle. And that's it.
As the handle is pulled (just like a syringe), a precisely measured volume of ambient air is drawn inside the tube where it contacts the reagent.
Instantly, the reagent changes color. The reagent reacts quantitatively to provide a length-of-stain indication. The farther the color stain travels along the tube, the higher the concentration of gas. Note the scale mark on the tube where the stain stops and that's the measurement.
It's safe, precise and fast. A Single Stroke of Genius.
FEATURES AND BENEFITS
Single Stroke Operation
The Sensidyne pump is the easiest pump to use. There are no repetitive operations to obtain an accurate sample every time. One stroke is all it takes.
Flow Finish Indicator
Timing the stroke is not necessary. The Flow Finish Indicator tells you automatically when the stroke is complete. It operates from the pump's internal vacuum for total reliability.
High Quality Detector Tubes
Sensidyne's detector tubes are machine made to the highest factory tolerances. This assures optimum repeatability from one production lot to the next at a level that is unmatched by hand made tubes. Both the factory site and the U.S. distribution site are ISO 9000 certified for total confidence in quality.
Calibration scales for the detector tubes are printed on the basis of individual production lots. This eliminates troublesome variations in tube diameters, packing precision, and/or reagent quality or reactivity. Calibration scales are in ppm, mg/l, or %, depending on thesubstance to be measured and the desired measuring range. Every tube box carries the quality control number and chemical symbol. The expiration date is prominently stamped on each box.
Expandable Measuring Range
The calibration curve on most of the Sensidyne detector tubes is a straight line, and points on the scale are at equal intervals. This means you can measure concentrations above or below the printed scale by simply increasing or decreasing the number of pump strokes, as indicated on the instruction sheet.
Sensitive and Stable Absorbing Media
Using our unique absorbing media, the tubes have extremely clear lines of demarcation of the color stain. No filter paper or cumbersome reagents are required. Thisenhances reliability, reduces measurement time and increases accuracy. These are stable compounds, providing a long shelf life for most tubes, thus reducing inventory costs.
Precision Piston Pump
Two critical factors affecting the accuracy of detector tube measurements are the flow rate and the volume of air drawn through the tube by the pump. If the flow rate or volume varies, the sample will not be accurate.
With a precision piston pump, air flow is initiated by the pump vacuum, which stays constant after continued use.
The vacuum is not spring-assisted as with “squeeze-type” pumps. The suction of squeeze-type pumps is determined almost exclusively by the force of springs within the pump. Over time the springs can lose tension, resulting in slow strokes, thus jeopardizing accuracy and repeatability.
Our unique pump design offers the best of both worlds. It is simple to use and rugged enough for any industrial setting. The light weight aluminum alloy construction provides years of trouble free use.
Standard Tube-Tip Breaker
A tube-tip breaker, which catches the glass ends of the detector tube, is standard in each pump for added safety. Flying glass and misplaced broken tube tips are not a problem with the Sensidyne pump.
No Special Tools
Nontechnical personnel can perform normal sampling and maintenance rapidly and accurately. You do not have to purchase any special tools, and the spare items in the pump kit are normally all that are required for years of trouble-free operation.