Hi Jim
This would appear to be a faulty unit, I also purchased the same unit from
Bob Mokia two weeks ago and its performing very well. It gives a frequency
of 10.000,000,005 Mhz.
One very obvious fault is the BITE voltage - - this should initially be 4.5
volts, which falls to less than 30 mV. within a few minutes. The XTAL
Control Volts, after a short while falls to 6.145 V., so yours, at 14.67 V,
would seem to be wrong ! The Lamp volts settle to 6.736 V, and the Ext C
Field is 2.426 V. , which checks with your result.
I'm sure you will get a replacement.
Roy
--------------------------------------------------
From: "Jim" <[email protected]>
Sent: Tuesday, February 02, 2010 9:08 PM
To: <[email protected]>
Subject: [time-nuts] EFRATOM LPRO-101
Hello all.
I received an EFRATOM LPRO-101 last week from eBay Fluke 1, and wired it
up last night. The results are not good.
Using a HP 5370B counter with calibration less than one year old, the
frequency reads = 10,000,146,012.9
Power Applied = 24.9Vdc @ 0.30 amps after warm up
Lamp Voltage = 5.9 Vdc
Ext C Field = 2.437
XTL V Mon = 14.67
Bite = 4.57
Bite never goes low.
I just sent an email to the outfit I purchased it from, but would like to
get this working instead of waiting a month or so.
Is it dead? Any thing I can do to revive it?
Any suggestions?
Thanks to all.
Jim N0OBG
--
The heart of the wise inclines to the right, but the heart of the fool to
the left. Eccl 10:2 (NIV)
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