Safety Information
The True RMS Radio Ampstik is designed for use with a suitable universal hot stick. All precautions
appropriate for the line voltage should be taken. The hot stick should be considered the sole
voltage isolation device. For safety purposes the face plate, battery cover, chuck, and entire Radio
Ampstik Transmitter should be considered to be at the same potential. Putting the face plate,
battery cover, chuck, or other parts of the Radio Ampstik Transmitter within the air gap of adjacent
phases or ground could cause a phase to phase or phase to ground fault.
Overview
The True RMS Radio Ampstik has been developed specifi cally for mea sure ment of AC cur rent
in the electrical utility industry. The True RMS feature allows accurate mea sure ment of current
even when the nominal waveform is distorted or when harmonics are present. This may be the
case with Y connected transformer neutral leads and dis tri bu tion to many in dus tri al customers
using SCR con trol lers and other switching de vic es. This in stru ment can be used re mote ly with any
hotstick and universal chuck adapter or can be hand held. The in stru ment has no moving parts
and does not require clamping onto the wire. The case is water resistant and will withstand high
physical impact. The following specifi cations apply:
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This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation.
If the unit does cause harmful interference to radio or television reception, please refer to your
user’s manual for instruction on correcting the problem.
I the undersigned, hereby declare that the equipment specifi ed above conforms to the above
requirements.
DECLARATION OF CONFORMITY
TRADE NUMBER: SensorLink Corporation
MODEL NUMBER: 8-121
COMPLIANCE TEST REPORT NUMBER: B60123D1
COMPLIANCE TEST REPORT DATE: 10 February 2006
RESPONSIBLE PART (IN USA): SensorLink Corporation
ADDRESS: 1360 Stonegate Way, Ferndale WA 98248 USA
TELEPHONE: (360)595-1000
Place: Whatcom County Signature:
Date: April 17, 2006 Full Name: Gary Hielkema
Position: President
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