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Industrial panel meters made the transition from analog to digital in the early 1970's. This is one of the few NIXIE-display models produced before such instruments settled in to the use of LEDs for display.
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| Serial Number: | 73902 |
| Year of Manufacture: | 1970 (IC date stamps of 7011 to 7039). |
| Date of Receipt: | 2006 |
| State upon Receipt: | OK physically, a little shaky functionally. |
| Repair Date: | 2006 Mar |
| Procedure: | Cleaned. RE'd. |
| Repair Date: | 2006 Mar 27 |
| Symptoms: | Socket pin for DP of LSD will not accept tube pin. |
| Procedure: | Socket pin removed. A couple of other pins have intermittent contact. |
| Repair Date: | 2008 Mar 07 |
| Symptoms: | Display does not light up. |
| Procedure: | Anode supply not present. Secondary of transformer is open. Break in fine wire of secondary found on top of windings near where it connects to more-solid lead. Managed to scrape enamel off and get a lead extension to solder to it. Resistance now measures around 2.2 or 3.3 K. |
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.. | Weston 1294 | ..
Early Digital Test Equipment |
bhilpert |