HGT1 User Manual
8 OMICRON
2 Introduction
2.1 Designated use
NTI's FFT voltmeter HGT1 is primarily designed for professional acoustical test applications. For step
and touch voltage and ground impedance measurements, the HGT1 is delivered with an OMICRON
software which allows measuring the frequency-selective voltage level by using a real-time Zoom FFT.
The HGT1 works as an add-on device to the CPC 100 and CP CU1. This User Manual describes in detail
the OMICRON-specific HGT1 functions and measurements.
Using the OMICRON-specific HGT1 functions, the following measurements can be performed:
• Step an touch voltage without PTM (Primary Test Manager)
• Step an touch voltage with PTM (installed on a Windows tablet connected to the HGT1 via USB)
Note: In both cases measurements are to be performed according to either EN 50522 or IEEE 81.
• Ground impedance with PTM (installed on a Windows tablet connected to the HGT1 via USB)
Any other use of the HGT1 but the one mentioned above is considered improper use, and will not only
invalidate all customer warranty claims but also exempt the manufacturer from its liability to recourse.
2.2 Warranty
International warranty
NTi Audio guarantees the function of its products and the individual components for a period of one year
from the date of sale. During this period, defective products will either be repaired free of charge or
replaced.
Limitations
These guarantee provisions do not cover damage caused by accidents, transportation, incorrect use,
carelessness, non-original accessories, the loss of parts, operation with non-specified input voltages,
adapter types or incorrectly inserted batteries. NTi Audio accepts no responsibility for subsequent
damage of any kind. The warranty will be voided by carrying out repairs or services by third parties who
are not part of an approved NTi Audio Service Center.
Statutory Rights
Consumers may have legal (statutory) rights under applicable national laws relating to the sale of
consumer products. This warranty does not affect your statutory rights. You may assert any legal rights
you have at your sole discretion.
2.3 Calibration certificate
Your NTi Audio instrument has been carefully tested during production and corresponds to the
specifications listed in 8 "Technical specifications" on page 30. Calibration certificates are included in the
delivery.
NTi Audio recommends annual calibration of the products after the purchase. The calibration provides
documented and traceable measurement accuracy and confirms that your NTi Audio product meets or
exceeds the published specifications. The calibration and adjustment procedures follow the
documentation and traceability requirements of the standard EN ISO / IEC 17025.
For calibrations kindly follow the service guidelines at
www.nti-audio.com/service
.
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