[ RadSafe ] GR-130 defective - Help ?

Hahn, Michael Michael.Hahn at LVLF.Brandenburg.de
Wed Aug 27 09:19:04 CDT 2008

Dear radsafers,

we have two GR-130 in use for about than 10 years, excellent devices.
But now within only few months they both became defective and show the same type of defect.
Energy calibration is no longer possible (Error message after some seconds) and when going to the spectrum mode anyhow the shown energy -as position of the cursor- has only about 1/3 of the correct value. The same applies analogous to the dose rate mode.
Looks if HT-supply or amplifier is out of range.
Repair including shipping costs would be sureley noneconomical.
But: This is conventional soldered and wired PCB technolgy. Maybe....anybody who knows this type of defect, AND knows how to fix it?
Manufacturer´s advice to put out and in all the PCBs to fix bad contacts did not help.

Michael Hahn

Landesamt für Verbraucherschutz, Landwirtschaft und Flurneuordnung
Referat Strahlenschutz  
Müllroser Chaussee 50
15236 Frankfurt (Oder)
Tel. 0335 560 3127
Fax 0335 560 3139
e.mail: Michael.Hahn at lvlf.brandenburg.de

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