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News: General News

27th October 2016

More News

Rapid micro-defect and gap/flush gauges at EPMC

Spectrum Metrology will be showcasing a range of ground-breaking handheld gauging technology for rapid micro-defect and gap/flush analysis at the EPMC show this November (Ricoh Arena, 14-15 November). 

12th October 2017 • Read »

A new Laser Tracker field test solution for all your trackers

Following NIST guidelines, the Brunson KinAiry is a comprehensive field test for all models of laser tracker, allowing fast, regular health checks of your laser tracker in the field.

7th September 2017 • Read »

GTMA Manufacturing Solutions event at Mazak, 12 September 2017

Spectrum Metrology is pleased to be part of the Manufacturing Solutions Event at Yamazaki Mazak on 12th September, which will focus on manufacturing technologies and engineering solutions for the Automotive & Rail Sectors.

17th August 2017 • Read »

GTMA Manufacturing Solutions 2017 exhibition, 24 May 2017, Limerick

We will have a range of metrology instruments at the show, including the Surtronic workshop surface roughness testers ideal for a range of surface finish measurement requirements.

7th February 2017 • Read »

Static Alignment of ships weapon systems using precision electronic tilt measurement system

Using the CETAMS Electronic Tilt Measurement System allows precise measurement of tilt with no restrictions on movement of personnel or equipment, providing high accuracy measurement at a fraction of the cost of other methods.

7th June 2016 • Read »

How often should I have my metrology instruments calibrated?

We are often asked how frequently metrology instruments need to calibrated - here are a few guidelines to help you decide ...

Only the end-user can decide the frequency, but your decision should be based on some or all of the following criteria :

1. Does the item have mechanical movements or is it a reference standard ?

Instrument systems (Talyvels, Autocollimators, Telescopes, clinometers, etc) having adjustment knobs and focusing mechanisms etc, may require service/repair/re-calibration more often than a reference standard

2. Whether it is a 'master' or 'working' item

If the item is used on a daily basis, the likelihood of  misuse is more prone than if it is a reference standard that may only be used on a monthly or quarterly basis .

3. The frequently with which it is used

The greater the use, the greater the likelihood of damage or wear occurring.

4. The environment in which it is used

An item that is used in volatile, dusty, or workshop environments may demand a shorter re-calibration frequency than that of an item that is used in a laboratory or standards room.

5. The experience of, and care taken by staff using the item, and the classification of the items use

Will it be used by trained personnel only, or is it a ‘common access’ item?

6. The nature and accuracy of the work undertaken using the item

Higher accuracy measurements with smaller uncertainties can influence the frequency at which the item is re-calibrated .

7. Whether there are ISO or other International audit requirements

Some auditors may impose a new calibration if it is their considered opinion that the original certificate is now ‘out of date.

Generally we find that most users of the Taylor Hobson autocollimators, telescopes and precision levels need to send their instruments for maintenance and calibration every 1-2 years.

Spectrum Metrology is the authorised agent to Taylor Hobson for the service and repair of their electro optical metrology products (autocollimators, alignment telescopes, precision levels and clinometers) and uses the services of the Taylor Hobson UKAS calibration laboratory for traceable certificates of calibration.  Contact us today with details of your instrument.