Soldering - Our Products | Central Technical Supplies

Any prototyping requires considerable amount of manual work of which soldering is one. Quickly attaching a cable to a test board requires soldering. Soldering stations form an integral part of each electrical/electronic workshop or laboratory.

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We do offer a wide range of soldering stations for laboratories or electrical workshops.

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Containerized off-grid solar solution for the Kunene Region

Ministry of Mines and Energy

2014

After successful completion of the Omusati off grid electrification project, CTS was successful in winning the bid for the second phase of containerized PV solutions for the Kunene region. With the experience gained from phase 1, the containers were optimized in many ways. The final design consisted custom build 20ft container by Namspace in Swakopmund.

Sites that were electrified in the Kunene region are:

Otjitjekua School
Otjiu School
Otjiu Hostel
Epupa School

The project included the following:

Upgrading of all government building wiring as per national standard for 4 sites in the Kunene region:
Manufacture, supply and install container power units for these sites.

The power containers consisted of ca 2.8kW of PV modules installed on the roof as well as 4,500 Ah of battery capacity. Five kVA inverter charger and two 70A BlueSolar Charge regulator all from Victron Energy complete the system. Remote monitoring of all sites is achieved by using the Victron Color Control GX unit.

Supply, Delivery and Installation of Laundry Equipment for the Husab Mine

Husab Uranium Mine

2015

CTS was instructed to supply, deliver, install, test and commission laundry equipment for the Mine Complex Change House, Plant Complex Change House and the FPR Change House at the Husab Mine in 2015.

The Husab mine has to process nearly 2 000 overalls and towels on a daily basis. Emphasis was made on equipment that is energy efficient, safe to operate and cost effective to maintain.

Miele equipment fulfills every requirement when it comes to the economical processing of large amounts of laundry. Miele’s tried and tested programs ensure the correct washing process for every type of material. The tumble driers complement the washer extractors and are highly economical, thanks to short running times. Thus you have a perfect solution to process large amounts of laundry, fast, hygienically and economically.

CTS installed washer extractors fitted with water recovery units and heat pump tumble driers. Laundry-care requirements vary significantly according to the customer’s needs. Whichever your requirement, CTS can offer you the ideal solution.

Supply, Delivery and Installation of a Gas Fired Water Heating System for Hilton Hotel Windhoek

Hilton Hotel Windhoek

2010

CTS was awarded the tender to install a water heating system for the Hilton Hotel Windhoek.

The system was installed according to the following specifications:

• 2x 250kW gas fired hot water boiler

• 2x 6800 liter hot water storage tank (also known as calorifier)

• 1x Danfoss Aqua drive 11kW for glycol circulation pump control

• 2x Automatic bypass valves to control water temperature inside tank

• 4x Hot water circulation pumps

The boilers as well as glycol circulation pumps and one hot water storage tank were installed in the boiler room located in the upper basement of the hotel. The second hot water storage tank is installed on the 9th floor of the Hilton Hotel. A glycol circulation system connects the two calorifier with the two gas fired hot water boilers. The glycol circulation pumps are controlled from one Danfoss Aqua drive with cascading functionality to control the pumping speed depending on the temperature in the glycol line.

Each hot water boiler is cycled on a 24 hour basis, should the glycol temperature fall below a predetermined threshold for certain period of time the second boiler will start automatically.

Automatic bypass valves guarantee that the water temperature of each calorifier is kept at a constant 60 – 65 degrees Celsius.

Design, Supply and Installation of an Off-Grid PV System at Farm Heinrichsfelde

Private

2019

A 7,3 kWp off-grid PV system was installed at the farm Heinrichsfelde in the Aus area with a Lithium-ion battery. The system is able to power an entire farmhouse. Remote monitorng and supervision is included.

System Specifications are:

24 x 305W Renesola PV modules
2x Victron MPPT 150/85
1x Victron Quattro 48/10000
1x BlueNova Lithium-ion battery 48V-24kWh
Roof mounted with structure for IBR roof sheeting
AC surge and lightning protection

Installation of 10 Automatic Weather Stations in Botswana

University of Hamburg

2014

CTS was approached by the Botswana Meteorological Department and the University of Hamburg with the request to install automatic weather stations across Botswana. A total of 10 stations were engineered and build at our workshop in Windhoek prior to installation commencement. With our own tower design, the installation time is reduced to nearly 8 hours per tower.

The stations are equipped with sensors from Vaisala, Kipp and Zonen. At the heart of each station is the CR1000 logger from Campbell Scientific. Each station is capable to measure the following:

Wind speed
Wind direction
Humidity
Air Temperature
Irradiance
Barometric pressure
Ground Temperature
Rain
Leaf wetness

In addition to the above parameters the following parameters are calculated by the logger by means of mathematical models.

Dew point temperature
Wet bulb temperature
Sunshine duration

The data from the station is transmitted to ftp servers situated in Gaborone/Botswana as well as Hamburg/Germany on an hourly bases over locally available GSM network providers. Once the data is uploaded to the server in Hamburg, it is processed and posted on a publicly available website. This website collects data of numerous stations across Namibia, Botswana, Zambia, Angola and South Africa for research purposes. A total of 8000km was covered in just under 4 weeks.

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