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Terms & Conditions

All orders and purchases made through this website are subject to the Online Shopping Terms and Conditions outlined below.These Online Shopping Terms and Conditions may change from time to time without prior notice and at our discretion. updated on  is owned and part of phi sigma calibration (Division of Abdullah Haider GT LLC), with its Registered office at
Phi Sigma Calibration
303, Habib AG Zurich Bank Building, Bank Street, Bur Dubai,
Dubai,United Arab Emirates
Phi Sigma Calibration
(Division of Abdulla Haider GT LLC)
Dubai, Post Box 5602, Dubai.

Contract between us and the customer

When you place an order to purchase items using our website this is an offer by you to us to purchase those items. We will confirm receipt of your order by contacting you on your phone or mobile number and sending you an email summarizing the details of your order (“Order Confirmation email”). The contract between us is formed at the point we send the Order Confirmation email in respect of those items mentioned in the email. If your order contained a number of items and the Order Confirmation email mentions on some of them, those items which have yet to be despatched to you do not form part of that contract.

Hours of Operation

Working Hours:
Saturday thru Thursday: 08:00 am – 6:00 pm
Weekends and Holidays:
Fridays and Public Holidays
Phi sigma calibration business working days are Saturday thru Thursday, excluding holidays

Phone Orders and Customer Care Phone Number

Telephone : +97104 3518150,
Fax: +97104 3518120.


Please note that if you order a number of items for delivery to the same address, they may be despatched separately and we cannot guarantee delivery of all the items on the same day. We make every effort to despatch items on time. If we are unable to deliver the items within our normal timeframe, we will inform you about the same well in advance. Cancellation fee (if applicable) will be deducted prior to refunding the amount. If the items are not delivered within the time period we specify in the Order Confirmation Email, please contact our Customer Care Department quoting the order number contained in your Order Confirmation Email. Delivery occurs when the items are delivered to the delivery address you specified when placing your order. After this point, responsibility for loss, breakage and damage passes to you. Ownership of items purchased does not pass to you until payment is received by us in full.
We do offer Free delivery inside UAE, however it applies to orders greater than value Dhs 500/-.  (A nominal charge of Dhs 50/- will apply for delivery in UAE for orders below Dhs 500/- .

Delivery Guidelines/Information
Shipping information

Some of our products are shipped directly from our vendors and manufacturers. Because of this arrangement the items in your purchase may be shipped separately.


All product specifications, images and other information published on our website have either been made accessible by suppliers, manufacturer’s, publications, publicists, or been gathered from public-domain sources. The intention of phi sigma calibration is that all information on the website should be as accurate and up to date as possible. However, phi sigma cannot guarantee the reliability or the accuracy of the information contained within its pages. All the actions taken by the user of the website are the responsibility of the individual.
All delivery times are estimates only and some products may take longer due to circumstances beyond our control.
Our Customer Care and Service Centre will contact you with expected delivery days and time upon receipt of your order.
Please note some products may take longer due to shortages from the manufacturers. Our call centre will advise you of this upon receipt of order.

Product Availability

At  we carry huge stock holdings of products at our Distribution Centre to ensure speedy delivery of your ordered items. However, under certain circumstances if a product is unavailable, the customer will be informed about the same.


Products are invoiced in UAE Dirham (AED). Delivery is charged extra. Please refer to Delivery Information on this site for details. Although we try to ensure that all prices on the website are accurate, errors may occur. If we discover an error in the price of items you have ordered, we will contact you as soon as possible. You will have the option of either reconfirming your order at the correct price or cancelling it. If we are unable to contact you, we will treat your order in respect of the incorrectly priced item as cancelled. Prices displayed on the Website apply to online purchases only. They are not indicative of the price of identical items purchased at any other store or by any other means. We reserve the right to update prices displayed on the website from time to time and once updated, they cannot be claimed against an order that has already been confirmed or delivered.

Changes in Price and Availability

Phi sigma calibration may change the price of any item on the site from time to time as it sees fit. Prices are subject to change without notice. Phi sigma calibration will not issue refunds in the event that a price decrease occurs after a customer has made a purchase. Phi sigma calibration does not guarantee that any item will be in-stock or that any item will continue to be carried. Selection of inventory will change as phi sigma calibration sees fit and is subject to change without notice.


You may pay for the items which you order Online by providing your credit/debit card at the time of delivery and your card will be charged using our Mobile Payment Processing Electronic Device. This device uses a state of the art Secure Online Payment Gateway Technology and authorises (or declines) the transaction. If we get a valid authorisation, your card issuer will hold this value expecting a charge from us. Receipt of your credit card details and debit of payments does not constitute our acceptance of your order. Please note that we cannot guarantee the security of your data when you send us confidential information by Email. Accordingly please do not send us payment information using Email. For details of the security measures we employ, please read our Privacy Policy. We cannot be held liable for any losses caused as a result of unauthorised access to the personal and transactional information you provide to us when placing an order. In order to protect the website visitors to the best of our knowledge, we implement several security policies and certificates. These layers of protection could be by-passed if the user’s computer is/was infected with a virus or malicious software. Phi sigma calibration or its associated partners and employers cannot be held responsible in such a scenario or circumstance.
We also accept payments by cheques and also Cash on Delivery.

Warranties & Repair

All items sold by are warranted solely by the manufacturer/distributor/supplier. All items needing repair should be sent to the manufacturer/distributor/supplier directly for service or warranty claim. is not liable if the manufacturer/distributor/supplier fails to perform warranty services. reserves the right to inspect the item prior to approving replacement under warranty. also provides an extended warranty which varies from item to item, which is only applicable at the point of purchase.  will not be responsible for any consequential or incidental damage resulting from the sale or use of any merchandise purchased from us. liability is limited to the monetary value of the merchandise.
Alterations to this Website and Terms and Conditions We reserve the right at any time to make changes to this website, these Online Shopping Terms and Conditions, Privacy Statement and such other policies as we may notify you of. You will be subject to the policies and terms and conditions in force at the time you use the website or order items from the website. Changes which we are required to make by law could apply to orders which you have already made. If any of the terms and conditions forming the contract between us is deemed invalid, void or unenforceable for any reason, it will be deemed severable and not affect the validity and enforceability of the remaining terms and conditions.

What is not covered?

This warranty does not cover defects resulting from improper or unreasonable use or maintenance; failure to follow operating instructions; accident; excess moisture; insects; lightning; power surges; connections to improper voltage supply; unauthorized alteration or modification of original condition; damages caused by inadequate packing or shipping procedures; loss of, damage to or corruption of stored data; damages caused by use with third-party products/applications; product that requires modification or adaptation to enable it to operate in any country other than the country for which it was designed, manufactured, approved and/or authorized, or repair of products damaged by these modifications; and products purchased from unauthorized dealers.


Any information submitted on the website is subject to our Privacy Policy, the terms of which are incorporated herein. Please review our Privacy Policy to understand our practices.


All content included on the website, including text, graphics, logos, designs, photographs, button icons, images, audio/video clips, digital downloads, data compilations, and software, is the property of phi sigma calibration (Division of Abdulla Haider GT LLC), Dubai, UAE or its suppliers and is protected by UAE and international copyright law. The compilation of all content on this site is the exclusive property of and protected by UAE and international copyright laws.

Right to Terminate

We reserve the right to terminate or restrict your use of our service, without notice, for any or no reason whatsoever.

Customer Support

Tel: +971-04 3518150

Postal Address

Phi Sigma Calibration
303, Habib AG Zurich Bank Building, Bank Street, Bur dubai,
Phi Sigma Calibration
(Division of Abdulla Haider GT LLC)
Dubai, Post Box 5602, Dubai