AKA: ADLER 81 C, AKA (Label): Type EC 23B, Product number (P/N): EC23B (EC 23B),
Keywords/Tags: EC23B (EC 23B) | 81C | ADLER
Date of intro: 1975, Dimensions: 130x75x21mm, Weight: 130g,
Power: 6V: (AAA x4) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 24, #Key-Black: 9, #Key-Blue: 1, #Key-Orange: 2, #Key-Red: 1, #Key-White: 11,
Decimal switch: [F-2-3], Miscellaneous switch: [(Blank)-(Sigma) on-off],
Classification: / Pocket,
Featuring: Procent, Memories: 1,
Made by: OMRON (List of all Import-OEM-models for TRIUMPH-ADLER),
Serie-members: TRIUMPH-ADLER: 81C (version-1) ('ADLER'-label); TRIUMPH-ADLER: 81C (version-2) ('TRIUMPH'-label),
Known Serial-numbers: 67696645 (67.696.645) | 68746214 (68.746.214) (List of all S/Ns from TRIUMPH-ADLER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: CALCUSEUM (Serge DEVIDTS)>Link-1