Vintage Electronic Calculators:

Overview of Brands


TRIUMPH-ADLER: Sir (version-1)
(Page 1/1)

AKA (Label): Type EC 20-S, Product number (P/N): EC20S (EC 20-S),
Keywords/Tags: EC20S (EC 20-S) | Sir
Date of intro: ~1975, Origin: Japan (List), Dimensions: 95x65x22mm,
Power: 4.5V: (AAA x3),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 19, #Key-Black: 8, #Key-White: 11,
Miscellaneous switch: [on-off],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: TRIUMPH-ADLER_docu: (Broch.) *: Schreiben und rechnen...,
Main Components: NEC: µPD941C,
Resemblance with: (Resemblance 033), Made by: OMRON (List of all Import-OEM-models for TRIUMPH-ADLER),
Serie-members: TRIUMPH-ADLER: Sir (version-1) ([C] as second key); TRIUMPH-ADLER: Sir (version-2) ([%] as second key),
Known Serial-numbers: 6893171507 (68.931.715.07) | 68932554303 (68.9325.543.03) | 6893365705 (68.993.657.05) | 6894476804A (68.944.768.04A) (List of all S/Ns from TRIUMPH-ADLER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: SCHLEPPTOPS Rechnerwiki, Link-2: CALCULATORCOLLECTION


Created: 12-feb-2006, Manual-update: 09-jul-2020, Batch-update: 26-feb-2024             

# Pageloads since 2018: 47             

1 Pic(s),


If you have a (better) personal picture and/or missing info about any model not listed: Please do send a Mail