INOVISION
| Radiation Measurements | 6045 Cochran Road Cleveland OH 44139 Phone: 440 248-9300 FAX: 440-349-2307 www.inovision.com www.surveymeters.com |
To: Document Control Desk, U.S. Nuclear Regulatory Commission
From: Inovision Radiation Measurements
Date: July 11, 2001
Re: 10 CFR Part 21 Report (Follow-up to Interim Report submitted May 11, 2001)
Component containing defect: Firmware in Type IIA 960 Systems with a Real Time Clock (RTC) integrated circuit, programmed for use in pulse counting applications, and equipped with the following controller modules:
- Model 960CD-220 (P/N 960CD-220-10)
- Model 960CD-221 (P/N 960CD-221-10)
- Model 960CD-223 (P/N 960CD-223-10)
Monitors utilizing ionization chamber detectors are not affected.
The above controllers were equipped with Real Timer Clock and additional firmware to control the RTC.
Formerly Victoreen and Keithley Radiation Measurements