V O L U M E 20, NO. 1, J A N U A R Y
11A
1948
G TITRATION -pH METER
CONVENIENT RELIABLE STABLE The Cenco Titration-pH Meter provides con-
adjustment is needed for continuous opera-
venient and reliable titration and pH meas-
tion.
Drains no power from circuit under
urements from a 115 volt, 6 0 cycle, alter-
test.
Can be used with automatic recorders.
nating current supply. The large 7-inch scale includes a continuous scale reading
from
0 to 14 pH, which may be estimated to 0.02 pH and two ranges for titration readings; one from 0 to 0.1 volt, graduated in 0.002
An easy-to-use temperature
compensation
control permits accurate pH measurements in the range from 0 to 100 C.
Measure'ments
can be made in grounded tanks.
volt, and the other from 0 to 0.5 volt, graduated in 0.01 volt.
A voltage multiplier to
expand 0.5 volt scale to 5.0 volts is available. Built-in voltage regulation assures automatic voltage stability. A control knob permits easy zero adjustment. The zero point is stable;
Dimensions: length, 93A inches; height, 12 inches.
inches;
width
9'/2
No. 2 0 9 6 5 Cenco Titration-pH Meter with electrodes, electrode holder, connecting cord and plug for 115 volt, A.C. operation. . $ 2 5 0 . 0 0 No. 2 0 9 6 7 Cenco Titration-pH without electrodes
Meter only, $225.00
after the initial warm-up period, usually no
CENTRAL
SCIENTIFIC Scientific
NEW YORK
BOSTON
CENCO
COMPANY
Apparatus
1 7 0 0 I R V I N G P A R K R O A D , C H I C A G O 13 SAN FRANCISCO NEWARK LOS ANGELES
TORONTO
MONTREAL
