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Apollo - Universal Counter-Timer 100

Apollo - Universal Counter-Timer 100; Black Star; St. Ives (ID = 1661607) Equipment
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Apollo - Universal Counter-Timer 100; Black Star; St. Ives (ID = 1661607) Equipment
Black Star; St. Ives: Apollo - Universal Counter-Timer 100 [Equipment] ID = 1661607 900x548
Select picture or schematic to display from thumbnails on the right and click for download.
For model Apollo - Universal Counter-Timer 100, Black Star; St. Ives
Country:  Great Britain (UK)
Manufacturer / Brand:  Black Star; St. Ives
Year: 1992 ?? Category: Service- or Lab Equipment
Semiconductors (the count is only for transistors) Semiconductors present.
schematic requested
Wave bands - without
Power type and voltage Alternating Current supply (AC) / 100-120; 220-240 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: Apollo - Universal Counter-Timer 100 - Black Star; St. Ives
Material Metal case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 212 x 228 x 100 mm / 8.3 x 9 x 3.9 inch

Input A: up to 100MHz. Sensitivity <30mV over 50MHz, <10mV under 50MHz.

Input B: up to 2MHz. Sensitivity <5mV.

Both channels have adjustable trigger levels and LED indicators and x1 and x10 attenuators.

Frequency counter: Gate times 0.01, 0.1, 1, 10 seconds, resolution of 1Hz to 10MHz, 10Hz on 100MHz range.

Frequency ration A to B: averaged over 1, 10, 100, 1000 cycles of input B.

Period measurement: single period and multiple period averaging over 1, 10, 100 or 1000 cycles from 500ns to 10s.

Time interval A to B: from 250ns to 10s, minimum pulse width 250nS maximum frequency 2MHz.

Count A: 10MHz max, gating by input B.

Stopwatch and revolutions per minute functions.

Facility for external timebase


Net weight (2.2 lb = 1 kg) 3 kg / 6 lb 9.7 oz (6.608 lb)

Model page created by Gwyn Griffiths. See "Data change" for further contributors.

All listed radios etc. from Black Star; St. Ives
Here you find 7 models, 7 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.