- Civil Lab Mechanical Lab Engineering Lab Equipments
- sales@didacticlabequipments.com
CAT NO: DIDACTICNLE-Export-112001
a) Callendar & Griffiths Bridge Senior :-
MERCURY
Contact for precision work and Temp- is measureable to 1/100th C . The
resistance coils are of MANGANIN and arranged according to BINARY scale
and can be checked on the BRIDGE itself. FINE slow motion is provided by
a lever & can be read by vernier attached. The coils are married in
units 10, 20, 40, 80, 100, 320, 640 & 1280. Terminals provided for
“PL”, “CL” Galv & Battery, Mercury cups filled half with mercury and
“U” connectors serve to short the resistance when depressed in Mercury.
Instruction sheet provided for guidance without meroury.
b) Callender and Griffiths Bridge :-
It
is an improvement over the potentiometer. The 50cm long slides wire of 1
ohm resistance is calibrated into 100 equal parts. 14 coils are
arranged in series in dial from each being of 1 ohm resistance.
c) High Resistance by Leakage of condenser Method :-
Comprising
a wooden Board for proper setting of Components & Special CHARGE
& DISCHARGE key fitted with restless points & a set of terminals
for Ballistic Galv condenser and Plug key in series with 20-M-OHM
resistance. Two way key is provided for charging the condenser and
discharging through resistance coil after known interval. Tap Key
Provided on the panel for use of Ballistic Galv..
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