3. At Risk Environments
4. Large Scale Environmental Monitoring
Measuring Water Temperature
Water is our most valuable resource and should be protected as such. For anyone tasked with the responsibility of public health, water testing is vital. Given that we are facing tumultuous changes in our environment, close monitoring of other water supplies is more important than ever before.
When measuring temperature, there are a number of important factors to consider. The first is ensuring that the water monitoring device can withstand peaks of both high and low temperatures without damage.
The LeveLine and LeveLine CTD are both made from titanium which makes it perfect for monitoring temperature in even the harshest of environments. These robust measuring devices also capture water level data and can even record changes in electrical conductivity and salinity which can be useful for tracing flow routes, Salt water intrusion and soil salination monitoring, contaminant plume remediation monitoring and studies, leachate monitoring at landfills, mine, waste disposal storage sites and agricultural and storm water runoff monitoring
If you’re at risk of chemical/urban runoff and become concerned about the impact of local developments then it is strongly advised that you regularly test groundwater or any standing water. Monitoring the water prevents contaminated runoff from entering the water supply undetected.
Whilst we have come some way in terms of Health and Safety standards, accidents can occur, and steps should be taken to lessen the risk (if only for peace of mind). A large amount of industrial waste is still regularly dumped and has the potential to contaminate the water supply.
Climate change is affecting our water supplies. Unfortunately, water absorbs a huge amount of thermal energy, so climate change impact is compounded. In fact, water monitoring can be useful for pinpointing any changes in the environment that are reflected in our water supply.
As previously mentioned, a temperature change can have a potentially devastating impact on aquatic life. Both the amateur and professional environmentalist will be able to glean knowledge from the ability to monitor fluctuations in water temperature and quality.
Author Contact Details Craig Harrison, Aquaread Limited • Bridge House, Northdown Industrial Park, Broadstairs, Kent, CT10 3JP • Tel: +44 (0) 1843 600 030 • Web:
www.aquaread.com
Remote monitoring support is also available for these sensors which can also be a major advantage for temperature monitoring by reducing the number of required site visits..
If you are looking for equipment to monitor your water temperature of quality then please take a look at our products.
Non-Contacting Flow Measurement in Milwaukee Deep Tunnel System
Milwaukee Metropolitan Sewerage District (MMSD) serves a population of 1.1 million across 28 communities on the shore of Lake Michigan. Since 1994, MMSD has used a widely admired system of deep tunnels to store storm water prior to treatment, a system that has prevented more than 100 billion gallons of pollution from reaching Lake Michigan. Pulsar Process Measurement have supplied MMSD with a number of Ultra 3 non-contacting ultrasonic measurement devices, now being used to successfully monitor flow rates on “approach channels” 70 to 120 feet underground.
Measurement of flow rates within the approach channels is crucial to controlling the overall system, and MMSD embarked on a programme of proactively replacing the aging equipment. Key to the competitive RFP (Request For Proposal) official process was the need to identify an instrument that would be very reliable in the field, deliver a high output, and offer intrinsic safety. The flow rates in the channels can be very high and could easily rip a contacting sensor from the channel, so Pulsar’s maintenance- free non-contacting approach offered a perfect solution. Pulsar proposed a three-relay Ultra 3 wall-mounted controller along with high-powered dB Series transducers. Twelve units were purchased in the first phase, and both the controllers and transducers were supplied with integral IS barriers. Despite the equipment being stationed deep underground, a significant temperature gradient meant that Pulsar’s in-built temperature compensation features were important.
Pulsar’s Ultra 3 controller providing intrinsically safe measurement in Milwaukee’s deep tunnel system
Pulsar staff and the experienced local rep, Rick Klosner of Berg-Johnson Associates, supported MMSD in software setup and configuration of the Ultra 3 units, with the central control system being used to calculate the flow rate.
The successful implementation of this first phase has led to a further order of a similar number of units. On-going operation and maintenance of the process lies with MMSD’s principal contractor, who have reported that they have had zero issues with Pulsar’s equipment and are pleased with its ease-of-use.
For More Info, email: email:
43233pr@reply-direct.com www.envirotech-online.com AET October / November 2017
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