The MultiTrode Liquid Level Sensing Probe hangs in the wet-well by it’s own cable. When specifying the probe, we need to know:

1.       The probe length, which is the effective detection length. Standard lengths are 1.0m (3’), 1.5m (5’), 2.0m (6’), 2.5m (8’) and 3.0m (10’). Custom lengths are also available on request
2.       The cable length, which has to reach from the top of the probe in it’s normal hanging position, to the junction box or control panel.

In most installations, the probe is sized for the “live” depth of the well, the range that the liquid normally covers. The live range is typically only the bottom 25% – 50% or so of the full wet well depth. E.g. if the wet well is 5m deep, but the invert is 3m below ground level, the live range of the well will be 2.5m, so a 2.5m probe will be used. The probe will be hanging from the top of the well, with 2.5m of cable between the top of the probe and the hanging point.

Occasionally however, the probe will be installed to measure the full range of the well, such as when it is a back-up to an ultrasonic sensor. The top of the probe will be close to the mounting bracket, so an installer may think to pull the excess cable back through the conduit so that it is not hanging in the well, as shown in the first photo. The probe rarely needs cleaning, as the turbulence of the inflow cleans the debris off the probe (as seen in the first photo). However, if it does need cleaning, the method is to simply pull the probe up through the cleaning bracket, as shown in the second photo. This will require slack cable between the conduit entry and the top of the probe, equivalent to the length of the probe. The probe in the first photo cannot be cleaned in it’s current state. Cable will need to be pulled back through the conduit, and hung looped from the mounting bracket.

Probes are supplied with either 10m (30’) or 30m (100’) of cable as standard, longer lengths are available on request (but will incur shipping delays). If in doubt, it is better to have 19m too much cable than to have 1m not enough!

Probe installed without sufficient cable to facilitate lifting out of wetwell for cleaning.

Probe being cleaned.

In the well probe, probe installation

Wayne Patterson, the Chief Executive Officer of MultiTrode, is selected as the Chairman of Australian Institute of Management Queensland and Northern Territory for the period 2009-2010 after its Annual General Meeting in May 2009.

The AIM Qld & NT, founded in 1950, is a not for profit entity promoting the advancement of education and learning in the areas of management and leadership for commerce, industry and government. AIM provides training and conducts seminars on the latest industry trends in corporate management and helps professionals in developing their leadership qualities.

The AIM Qld & NT Board of Directors are chosen by the Professional Members of the Institute, once every two years. By electing Mr Patterson as the new Chairman, the AIM members recognised his more than 20 years experience in building successful businesses.

Mr Patterson, previously the Deputy Chairman of AIM, said

 There is no better time for leaders to partner with an innovative business like AIM. My responsibility as Chairman is to make sure we continue to position the Institute as a respected voice for leadership and management excellence.

Read more…

General News

MultiTrode has recently released the firmware version 2.2.1 for the MultiSmart Pump Station Manager. This update includes enhancements for achieving higher efficiencies and support for extra security.

Major highlights of this release are,

1) Easy interfacing of selected ABB drives, in just a few button presses
2) Support for Dallas iButton security key
3) Improvised well mixer functionality
4) New Pump Alternation Modes
5) Simplicity in interfacing Rain-gauges
6) Extended pump efficiency calculations and alarming
7) DNP Object 0 support (helps in remote identification of device details and DNP profiles)
8) Improvised VFD configuration menu
9) Enhancements for flow calculations and flow statistics

These new features and enhancements further extend the capabilities of the MultiSmart to continue providing a unique and one stop solution for Pump Station Management. Registered members can download the firmware from the MultiTrode website www.multitrode.com. If you do not have a login, please navigate to http://www.multitrode.com/member-registration.php for applying a free registration. Read more…

General News, Industry, SCADA & Telemetry