No. Calibration Certificates are valid for only a one-year period. Therefore, gauge certification may 'expire' prior to purchase or need re-calibration and certification just after purchasing.

If calibration certificates are required, please ask within the quoting process to prevent delays in supply.

Likewise, pressure gauges DO NOT automatically come with Material Certification. This can only be supplied directly from the manufacturer upon ordering.

Again, if Material Certification is required, please ask in the quoting process to prevent delays in supply.

We have trusted partners whom we outsource this service too for calibration.

Please contact us and we can arrange for you.

Absolutely. Please flick us an email enquiry to get the ball rolling with the item you may wish, and we can provide a pro-forma invoice for your processes.

Yes! There's generally more than one solution for your application, and with varying price tags too!

If you see something that seems to fit, but still offers questions, please contact us and we can look at our full range. There is always something that will suit.

We have a very small range available online which are generally stocked and available for despatch within 24 to 48 hours.

However, we can supply a huge range of instruments specific to your application, including made to order. Contact us, and we'll find the right instruments for your need.

Please contact us, and our knowledgable technechal sales team will ascertain your specific application requirements, and offer you the right instruments for your needs.

No. We are a registered supplier within Australia only.

Yes. Your Tax Receipt stating our business address, A.B.N number and GST is sent to you automatically via a link in the order acknowledgement, as well as in the delivery confirmation emails.

The link does have a 30-day expiry however, so be sure to download it.

If you've been flat out and catching up on the dreaded bookwork down the track, and can no longer access the receipt, no problems, simply flick us an email and we'll send you a PDF.

No. All prices online are excluding GST.

For sure! If you're local, you can choose to pick up at our Jandakot store absolutely.

We process orders within 12 to 24 hours of receiving them.

The items able to be purchased online are either stocked in our stores in Jandakot, or with our Principles ex-east.

It the item is in stock and weighs under 5kg, they will be generally shipped to you via TNT Express with a 24 to 48 hour delivery window.

Road delivery (for heavy items) take up to 5 days delivery.

However sometimes the stock levels fall before we are aware, and therefore a delay in supply may occur. We will inform you of this as soon as we are aware.

If you are requiring an item urgently, it may be in your best interest to check stock levels with us first, to avoid disappointment.

Remember, we have a huge range of instruments at our fingertips, and an alternative is usually available.

Yes, express delivery is available with TNT (delivery by next working day to all capital city metro areas, 2-3 days non-metro areas) for up to 5kg. 

It happens. Please contact us as soon as you've identified to problem. (We do have a 30 day non-return policy)

Providing the item is in 'as new' condition, we will help to identify the correct unit required and facilitate the exchange.

You can find full details of our refund policy here or call us on 08 9414 7666.

Only regular priced stock items may be refunded, unfortunately sale items and made to order units cannot be refunded.