Re: Power Meter

Pravin
 

Hi Alfredo,
It will be a over kill to purchase a power enter for calibration of AD8307 chip meter . If you have an access for an Oscilloscope and having a carbon resistor for 51 Ohms you can simply measure the voltage across the resistor and compare it with your Ad8307 chip values .
Power = Square of Vrms/50 . Nothing will be more precise than that and no need of sending power meters to be calibrated in US every now and then .

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On Mon, 5/7/18, Alfredo Mendiola Loyola via Groups.Io <mendiola_loyola=yahoo.com@groups.io> wrote:

Subject: [PHSNA] Power Meter
To: PHSNA@groups.io
Date: Monday, May 7, 2018, 5:51 PM

Hello,

I would like to buy a power meter to
calibrate my AD8307

Is there a power meter that doens't
require anual Calibration.

I line in Peru and it is expensive to
send the power meter to US just for anual calibration like
the Power Meter 6G of Minicircuits.

73
Alfredo.

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