Earth resistance, phase sequence and presence of live voltage
Ground Resistance, Phase Rotation, Voltage Detection
The three checks that come before the work starts: is it earthed, is it in the right order, is it dead.
Product photography to be supplied
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- Field Measuring Devices
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- Energy
What this group is for
Written as engineering fact. Nothing on this page states a specification the manufacturer has not supplied.
Earth resistance measurable by clamp on a bonded system, without driving auxiliary spikes where that is impractical.
Phase rotation confirmed before a motor is energized, which is cheaper than confirming it afterwards.
Non-contact and contact voltage detection for proving dead before touching.
Instruments sized and rated for the field rather than the bench.
Highlighted models
Model data to be supplied
Specific Ground Resistance, Phase Rotation, Voltage Detection models are quoted against the application, because the right one depends on the range you need to resolve and the conditions on site.
Tell us what you are measuring and we will name the models that cover it, with the ranges and accuracy classes written out in full.
Send me the specification sheet
Ranges, accuracy classes and model numbers for Ground Resistance, Phase Rotation, Voltage Detection, by email. No call unless you ask for one.
Where it is used
Four situations this group is bought for, and the points on a real installation where it is connected.
- Earthing system verification at commissioning and at periodic inspection.
- Lightning protection and substation earth surveys.
- Phase sequence confirmation before energizing rotating machinery.
- Safe isolation procedures.
Typical measurement locations
Earth resistance, phase sequence, live-line check
PV array / generation
The three checks that happen before anyone is allowed to start work.
Related groups
Ground Resistance, Phase Rotation, Voltage Detection: which one fits your measurement?
Give us the quantity, the range you need to resolve and the conditions on site. We will name the models that cover it and say plainly where they stop.
What has to be true inside the company
Four criteria of innovation, and the reason a measurement can be trusted outside it.
Increasing customer value
Production system
A production system built so that a measurement need turns into a delivered, calibrated instrument without the customer absorbing the delay.
Delivering peace of mind to customers
After-sales service
An instrument is only as good as the number it still reports in year five. After-sales service exists to keep that number trustworthy.
Pursuing productivity and precision
Manufacturing capabilities
Precision is a manufacturing capability before it is a specification. It is held in the process, not promised in the catalog.
Creating new customer value
Collaborative development of new products
When a field has no instrument for the quantity it needs to see, the instrument gets developed with the customer who needs it.