Multimeter Electronic CT 471A
AVO Ltd.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- AVO Ltd.; London
- Year
- 1964 ?
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 168371
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Wave bands
- - without
- Power type and voltage
- Storage and/or dry batteries / 7 x 1,5 Volt
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: Multimeter Electronic CT 471A - AVO Ltd.; London
- Shape
- Tablemodel, with any shape - general.
- Notes
- Transistorized Multimeter in ruggedized metal case.
Ranges:
DC 11 ranges 12mV to 1200V (+-2%) and 12µA to 1,2 A (+-2%).
AC 11 ranges 12mV to 1200V (+-3%) and 12uA to 1,2A @ 25 c/s (without probe).
RF 40mV to 4V @ 20kHz to 500MHz (max. 1GHz), acurracy +-8% @ 10MHz.
Resistance 12Ω to 1,2 MΩ (+-3%).
Input resistances:
DC 1,2MΩ on lowest range, rising to 120MΩ on 1,2V range and above.
AC >50 kΩ (12mV to 400mV),470kΩ (1,2V to 40V), 10MΩ (120,400,1200V).
Batteries: 7 D-cells.
If you find a model CT 471A for daily use please first check the calibration!
Do not mix up this model with multimeters CT471B and CT471C made by G.E.Bradley.
- Literature/Schematics (1)
- Radio Bulletin September 1964
- Author
- Model page created by Georg Richter. See "Data change" for further contributors.
- Other Models
-
Here you find 82 models, 79 with images and 41 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from AVO Ltd.; London