How best to position the cable height meters to take a measurement of clearance to ground from overhead conductors?

September 11, 2012
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Position the unit on the ground, directly underneath the cable to be measured. Align the unit in the direction of the cable, with the cone pointing towards the cable. read more →

What is the typical accuracy & resolution of CHM?

September 11, 2012
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Accuracy The accuracy specification contains two elements, a percentage specification (0.5%) and a Number of digits specification (+2d). Resolution. Below 10m, the minimum increment is 5mm . Above 10 meters, the minimum increment is 10mm. read more →

What is the difference between CHM E series and the 300/600 series?

September 11, 2012
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CHM300/600 measures either to the lowest 3 or 6 overhead conductors provided they are within the ultrasonic beam up to 15m. The diameter of cables that can be targeted vary in between 2.5mm to 25mm. CHM E Serie, is for extended range, up to 23m. Therefore CHM300E/600E measures either to the lowest 3 or 6.. read more →

What is the difference between the 300 series CHM and the 600 series?

September 11, 2012
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The 300 series measures the 3 lowest cables and the distance to each wire. The 600 series measures the distance to the lowest cable and distance between each cable thereafter, up to a maximum of 6 cables. read more →

Can the CHM be used straight away to take measurements?

September 11, 2012
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The Cable Height Meter takes into account temperature to measure the speed of sound traveling in air. If there are sudden temperature changes, i.e. from a warm car in winter to cold icy ground, leave the unit to adjust for a few minutes. The temperature will begin dropping on the display, and will need to.. read more →

What do I do if I have a technical question?

September 11, 2012
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Suparule Systems Ltd offers you access to its engineering team for installation of equipments, product training, as well as assistance in trouble-shooting solutions. Please contact us on +353 61 201030 or by email: info@suparule.com read more →

How do I get my Cable Height Meter repaired / calibrated?

September 11, 2012
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Cable Height Meters need to be returned to Suparule Systems Ltd., Lonsdale Road, National Technology Park, Limerick, Ireland for repair or calibration, once they have been received by ourselves then the repairs department will check to see if it is within warranty and if not they will be in touch regarding repair charges. read more →

How long is the warranty on my Cable Height Meter?

September 11, 2012
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There are two years warranty on all CHM models. read more →