Sensor adapter with pre-amplification for Lokal 400 correlator
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Frequently asked questions
General1
After failing to locate the leak with correlation and geophones what are the next steps before considering relining?F.A.S.T
If traditional non-intrusive acoustic methods fail, our PipeMic Series can still yield impressive results. Since the PipeMic is introduced into the pipe itself it can pick up almost every noise, even with high ambient noise levels. Hydrogen tracer gas should also be considered as an application of last resort. This non-acoustic method can help to find even the smallest leaks and can be applied on empty and on live pipes (with our GasDiffuser).
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Repair & Service0
Do you offer calibration?
As an official service point, we offer calibration for cable locators, leak detection and measuring devices. For a large proportion of the devices sold on the market, we issue corresponding certificates. You'll find more information on our Service & Repairs page and at service@cft.at.
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Can I get a loan device during the repair?
On request, we'll provide you with a loan device during the repair – at our standard rental rates. We'll be happy to clarify availability and details with you: kontakt@semperdeal.com.
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Who do I contact for technical problems?
Our support team is happy to help with technical problems. Write to us at kontakt@semperdeal.com and include the device type, the exact error message and – if possible – a photo. That way we can help you quickly and specifically.
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Do you offer repairs?
Yes, we offer repair services for most of the appliances in our range. Please submit a repair request directly via our repair request form or contact us at kontakt@semperdeal.com.
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How much does a repair cost?
Po otrzymaniu Twojego urządzenia przygotujemy kosztorys. Naprawa jest wykonywana dopiero po Twojej akceptacji. Ewentualną opłatę diagnostyczną podamy na zapytanie: kontakt@semperdeal.com.
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Do you offer an on-site service?
Yes. In Austria and Germany we offer an on-site service – from installation and instruction through to repair. Please arrange appointments at kontakt@semperdeal.com.
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Prices & Discounts0
How can I see the prices?
As a B2B shop, we display our prices in the customer area after you log in. All prices are net, plus VAT. For selected products, prices are also visible without logging in – i.e. for guests. For special conditions, please contact us at kontakt@semperdeal.com.
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Do you offer used or demo devices?
From time to time we offer tested used and demo devices. As availability varies, it's best to ask us directly about current offers: kontakt@semperdeal.com.
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Are there quantity discounts or graduated prices?
Yes. Depending on the product and order quantity, quantity discounts and graduated prices are possible. We'll be happy to prepare your individual quote: kontakt@semperdeal.com.
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Do you offer project pricing or framework agreements?
For large projects we offer individual project pricing and framework agreements. Just tell us about your project – we'll prepare a tailored offer for you: kontakt@semperdeal.com.
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Datasheets & Downloads0
Is a user manual included?
Yes, the appropriate user manual is included with every device. You'll also find the manual on the respective product page in the "Downloads & Media" section. We'll gladly provide a digital version by email on request as well: kontakt@semperdeal.com.
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Where can I find software or apps for the devices?
You can obtain the software and apps for the devices from the respective manufacturers' websites. In addition, you'll find all software solutions from the individual manufacturers and products bundled in our "Software" section. If you have any questions about installation, we're happy to help: kontakt@semperdeal.com.
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Where can I find technical data sheets?
You'll find the technical data sheets directly on the respective product page in the "Downloads & Media" section. If you can't find a particular data sheet, we'll be happy to send it to you by email: kontakt@semperdeal.com.
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Returns & Warranty0
Can I return or exchange products?
No. SEMPERDEAL sells to businesses only; there is no right of withdrawal or return, not even for unused goods in their original packaging. If goods are defective or we have delivered the wrong item, please notify us without delay after delivery at kontakt@semperdeal.com; we will then tell you how to proceed. Please never send goods back unannounced.
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What should I do if the goods arrive damaged?
Please document any transport damage immediately with photos and report it within 24 hours to kontakt@semperdeal.com. That way we can process the damage quickly for you.
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Training Courses0
Can I book training for a device I already own?
Yes. Training can also be booked for devices you already own – regardless of whether you purchased them from us. We also offer refresher courses. Simply contact us at kontakt@semperdeal.com.
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Technical Consulting7
Which device is right for my application?
We're happy to help. Just describe your application and we'll recommend the right device for you. You can reach us by email at kontakt@semperdeal.com, via chat, or by phone at +43 (0) 2252 53169.
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How can noise levels from different ground materials be comparedF.A.S.T
Comparison between noise levels are only possible with the same ground material. The noise levels should always be seen as relative, never as absolute values.
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What's the smallest leak size detectable with Hydrogen tracer gas?F.A.S.T
Hydrogen tracer gas can be successfully used to find the smallest leaks (dripping connections etc.).
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Is this H2 tracer gas method only used in specific cases of leaks that were not detected by other means?F.A.S.T
Yes, tracer gas is often considered the step of the last resort.
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What's a recommended distance between each BIDI Logger to guarantee a good coverage of the network?F.A.S.T
Propagation of leak noise at a pipe pressure of 4–6 bar and a leak size of a suitable magnitude (at least 3–4 mm) for standard structure-borne sound sensors: DN 50, DN 100, DN 200, DN 400, DN 600, DN 800, >DN 800, ductile cast iron:
| Material | DN 50 | DN 100 | DN 200 | DN 400 | DN 600 | DN 800 | >DN 800 |
|---|---|---|---|---|---|---|---|
| Ductile cast iron | 1000 m | 800 m | 500 m | 150 m | 100 m | 60 m | 30 m |
| Cast iron | 1000 m | 800 m | 500 m | 150 m | 100 m | 60 m | 30 m |
| Steel | 1,200 m | 900 m | 600 m | 170 m | 120 m | 70 m | 35 m |
| Concrete (asbestos) | 800 m | 500 m | 230 m | 130 m | 80 m | 50 m | 20 m |
| GRE (fibre optic) | 1,200 m | 900 m | 600 m | 170 m | 120 m | 70 m | 35 m |
| PVC | 50 m | 45 m | 40 m | 30 m | – | – | – |
| PE | 40 m | 35 m | 30 m | 20 m | – | – | – |
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How long does the H2 sensor last?F.A.S.T
There is medical grade, technical grade and industrial grade Hydrogen/Nitrogen gases. For leak detection the lowest and cheapest grade will suffice.
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Do high flow velocities need to be reduced by closing valves when using the GasDiffuser (e.g. at times of maximum consumption)?F.A.S.T
This is not necessary.
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How can the mixing of the tracer gas into the water stream be improvedF.A.S.T
The goal is to have "high turbulence" and "high flow velocities" at the insertion point. Therefore, if a valve is close by it makes sense to partially shut it to create more turbulence.
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