20 Water/Wastewater New Multimeter for Water Analysis
The latest digital handheld, the Ultrameter III 9P from Myron L Company (USA), is based on the tried and tested design of the Ultrameter II. The 9P adds the ability to perform in- cell alkalinity and hardness titrations either as stand-alone measurements or as part of an LSI calculation. Alkalinity, hardness, pH and temperature values can be manipulated in the LSI calculator to predict the effect of changes on water balance. Measurements are extremely accurate. And the 9P is simple to operate and maintain.
The 9P is packaged with all required solutions and accessories as part of the 9PTK Titration Kit. A hard foam-lined carry case organises and protects all contents: The 9P; 9P cell extender; titration plunger; reagents for in-cell alkalinity, hardness and LSI titrations; standard calibration solutions for all parameters; storage solution to protect the pH/ORP sensor; and pipette for precision dispensing with additional tips. Sensors are internal and included.
The 9P is also capable of wireless communication with the bluDock™ option installed. The bluDock uses Bluetooth® technology to transfer data wirelessly to your personal computer and comes with user-intuitive software that makes it easy to analyse saved water sample data. Reader Reply Card No. 52
New Purge and Trap Autosampler
CDS Analytical (USA) is excited to introduce the model 7300 Purge & Trap Autosampler. The model 7300 is used in conjunction with the CDS 7000 Purge & Trap Concentrator and can easily interface with any GCMS system. The combined CDS package meets all traditional EPA requirements for analysing VOC levels in drinking water and waste water but is available at 20% lower costs then the traditional purge & trap manufacturers.
The Model 7300 has a 72 vial sample capacity and includes standard features such as automated internal standard addition, programmable rinses and blanks, and a chemically inert sample path. Optional features include a hot water rinse and soils analysis.
Reader Reply Card No. 53
Robust Test Rod for Electro-acoustic Water Leak Detection Outdoors
The AquaTest T10 from Sewerin (Germany) is an electro acoustic listening stick / test rod with innovative technology and ergonomic design for the location of leaks in water dirtibution networks.
Reader Reply Card No. 54
The AquaTest T10 is designed for single handed use with the reciver and microphone combined in one unit. The headphones are activated not by the usual push button but by a new sensor area, simply place your finger in this area and the T10’s headphones are activated take your finger away they are deactivated. The noises that are picked up are visualised on a display incorporated in the handle.
The SDR radio module means the test rod can be used with radio headphones with the result that there are no cables to get in your way.
Reader Reply Card No. 55
Energy-Efficient Control of a Deacidification
In Uevekoven, Germany, drinking water treatment contains a deacidification step with three separate aeration columns. Physical deacidification is realised in a downword flow of the water over packed columns, with a counterflow of air supplied by an external blower. The amount of carbon dioxide removed can be adjusted via the amount of air supplied by the blower. Frequent changes both in composition and quantity make an automated control system desirable.
To ensure energy efficient control of deacidification, it is vital to measure the lime concentration of the water coming out of the aerator columns; a high precision measurement is required for this type of control. The measurement and control system BalanceCon by Dr. A. Kuntze (Germany) is excellently suited for the task. It measures the pH of the water, while an integrated pump feeds part of the water via a marble filter to a second pH measurement device.
The stepmotor-controlled pump ensures a defined and constant contact time within the marble filter, so that water in the second pH measurement is definitely in a state of calcite equilibrium. Via the difference between the two pH measurements, the deacidification process can be controlled with a very high prescision. Changes between the two sensors are periodically determined by an automated zero calibration of the difference measurement. With the BalanceCon measuring and control system an accuracy of < 0.02 ph can be achieved.
Reader Reply Card No. 56 Reader Reply Card No. 57
AET October / November 2011
www.envirotech-online.com
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44
