Vintage Electronic Calculators:

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TRIUMPH-ADLER: LT831 (version-1)
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AKA: ADLER LT 831, AKA (Label): EC 61, Product number (P/N): EC61 (EC 61),
Keywords/Tags: EC61 (EC 61) | LT831 (LT 831) | ADLER
Date of intro: 1979, Origin: Japan (List), Dimensions: 145x70x8mm,
Power: Button: (x2),
Display: Type = Display (LCD yellow) (List), Digits = 8+1,
Number of keys: 31, #Key-Black: 10, #Key-Blue: 1, #Key-Orange: 2, #Key-Red: 1, #Key-White: 17,
Keyboard Array (Rows x Columns): 06x06,
Miscellaneous switch: [ALARM_AM-OFF-PM TM CORR_ON-OFF],
Classification: / Pocket / Time,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Serie-members: TRIUMPH-ADLER: LT831 (version-1) (ADLER); TRIUMPH-ADLER: LT831 (version-2) (TRIUMPH),
Known Serial-numbers: 72460085 (List of all S/Ns from TRIUMPH-ADLER)
Collector value: 7/10,


Created: 19-jan-2014, Manual-update: 03-mar-2023, Batch-update: 26-feb-2024             

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